Claims Analysis
Total Claims: 55
Claim 1
Independent Claim
141 words
An electrical connector comprising: a first housing supporting first contact means, said first housing having a recessed mating end; a second housing adapted for engagement with said recessed mating end of said first housing and supporting second contact means engageable with said first contact means; and actuator means for engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings, said actuator means including latch means for moving said second contact means into said recessed mating end of said first housing to interengage said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for moving said second contact means out of said recessed mating end of said first housing to disengage said first and second contact means prior to the disengagement of said housings.
Claim 2
Dependent Claim
141 words
An electrical connector comprising: a first housing supporting first contact means, said first housing having a recessed mating end; a second housing adapted for engagement with said recessed mating end of said first housing and supporting second contact means engageable with said first contact means; and actuator means for engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings, said actuator means including latch means for moving said second contact means into said recessed mating end of said first housing to interengage said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for moving said second contact means out of said recessed mating end of said first housing to disengage said first and second contact means prior to the disengagement of said housings.
Claim 3
Dependent Claim
77 words
The electrical connector as described in claim 1, wherein said actuator means includes a movable insert member disposed within said second housing for movement between mating and non-mating positions, and wherein said second contact means comprises a fixed terminal portion, an active contact portion carried by said insert member and engageable with said first contact means, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions during movement of said insert member.
Claim 4
Dependent Claim
42 words
The electrical connector as described in claim 2, wherein said extendable portion comprises at least one elongated contact member projecting from said insert member and slidingly engageable with said terminal portion as said insert member moves between said mating and non-mating positions.
Claim 5
Dependent Claim
34 words
The electrical connector as described in claim 2, wherein said extendable portion comprises a flexible conductor interconnecting said active and terminal portions, said flexible conductor being foldable for accommodating movement of said insert member.
Claim 6
Dependent Claim
58 words
The electrical connector as described in claim 1, wherein said actuator means includes a movable insert member supporting said second contact means and disposed within said second housing for movement between mating and non-mating positions and said latch means is adapted for moving said insert member to said mating position for interengaging said first and second contact means.
Claim 7
Dependent Claim
122 words
The electrical connector as described in claim 5, wherein said latch means comprises at least one elongated member extendable from one said housing into the other said housing and having a first latching member disposed on the extendable end thereof, and at least one second latching member disposed in said other said housing and adapted for firmly engaging one said first latching member when the elongated member is extended into said one said housing, the longitudinal movement of each said elongated member in one direction effecting movement of said insert member from said non-mating position to said mating position to firmly interengage said first and second contact means, said engaged first and second latching members maintaining said contact means in firm interengagement.
Claim 8
Dependent Claim
74 words
The electrical connector as described in claim 6, wherein each said elongated member is longitudinally extendable from said first housing into said second housing for interengagement of said first and second latching members, said second latching member being secured to said insert member, said elongated member being longitudinally movable back into said second housing after interengagement of said latching members to move said insert member to its mating position and interengage said contact means.
Claim 9
Dependent Claim
50 words
The electrical connector as described in claim 6, wherein each said elongated member is longitudinally extendable from said second housing into said first housing for interengagement of said latching members and is secured for longitudinal movement with said insert member, said second latching member being disposed in said first housing.
Claim 10
Dependent Claim
58 words
The electrical connector as described in claim 5, wherein said quick disconnect means comprises source means for generating a pressurized fluid, means for distributing said fluid to said first housing, and driver means movable by said fluid for disengaging said first and second contact means by moving said insert member from said mating position to said non-mating position.
Claim 11
Dependent Claim
159 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating positions, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating position, said actuator means including latch means for interengaging said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for disengaging said first and second contact means prior to the disengagement of said housings.
Claim 12
Dependent Claim
159 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating positions, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating position, said actuator means including latch means for interengaging said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for disengaging said first and second contact means prior to the disengagement of said housings.
Claim 13
Dependent Claim
58 words
The electrical connector as described in claim 10, wherein said first housing includes a forward fastening end portion disposed therewithin, and wherein said insert member may be positioned in either said mating position with said insert member disposed within said forward fastening end portion or in said non-mating position with said insert member disposed within said second housing.
Claim 14
Dependent Claim
48 words
The electrical connector as described in claim 10, wherein said extendable means comprises an elongated contact member projecting from said insert member toward said terminal portion and adapted for continuous sliding engagement with said terminal portion as said insert member is moved between said mating and non-mating positions.
Claim 15
Dependent Claim
53 words
The electrical connector as described in claim 12, wherein said terminal portion comprises at least one elongated socket member, and said extendable elongated member comprises at least one elongated pin member disposed within one said socket member and slidingly movable therewithin as said insert member is moved between said mating and non-mating positions.
Claim 16
Dependent Claim
23 words
The electrical connector as described in claim 10, wherein said extendable means comprises flexible conductor means interconnecting said active and terminal contact portions.
Claim 17
Dependent Claim
28 words
The electrical connector as described in claim 14, wherein said flexible conductor means includes accordion-like folds adapted for extension and contraction to accommodate movement of said insert member.
Claim 18
Dependent Claim
123 words
The electrical connector as described in claim 10, wherein said latch means comprises at least one elongated member extendable from one said housing into the other said housing and having a first latching member disposed on the extendable end thereof, and at least one second latching member disposed in said other said housing and adapted for firmly engaging said first latching member when said elongated member is extended into said one said housing, the longitudinal movement of each said elongated member in one direction effecting movement of said insert member from said non-mating position to said mating position to firmly interengage said active contact portion and first contact means, said engaged first and second latching members locking said contact means in firm interengagement.
Claim 19
Dependent Claim
60 words
The electrical connector as described in claim 10, wherein said quick disconnect means comprises source means for generating a pressurized fluid, means for distributing said fluid to said first housing, and driver means movable by said fluid for disengaging said active contact portion and first contact means by moving said insert member from said mating position to said non-mating position.
Claim 20
Dependent Claim
32 words
The electrical connector as described in claim 10, wherein said first and second housings include means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants.
Claim 21
Dependent Claim
41 words
The electrical connector as described in claim 10, wherein said first contact means comprises at least one socket contact element, and wherein said active contact portion comprises at least one pin contact element matingly engageable within one said socket contact element.
Claim 22
Dependent Claim
219 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact member and said terminal portion as said insert member is moved between said mating and non-mating positions; latch means for moving said insert member to said mating position and for maintaining interengagement of said first and second contact members; and quick disconnect means for disengaging said first and second contact members prior to disengagement of said housings.
Claim 23
Dependent Claim
219 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact member and said terminal portion as said insert member is moved between said mating and non-mating positions; latch means for moving said insert member to said mating position and for maintaining interengagement of said first and second contact members; and quick disconnect means for disengaging said first and second contact members prior to disengagement of said housings.
Claim 24
Dependent Claim
43 words
The electrical connector as described in claim 20, wherein said extendable portion comprises an elongated contact member projecting from each said second contact member and slidingly engageable with said terminal portion as said insert member is moved between said mating and non-mating positions.
Claim 25
Dependent Claim
62 words
The electrical connector as described in claim 21, wherein said terminal portion comprises at least one elongated socket member, and said elongated contact member comprises an elongated pin member movable within said socket member and including a terminal end for continuous electrical contact with the interior of said socket member as said insert member is moved between said mating and non-mating positions.
Claim 26
Dependent Claim
31 words
The electrical connector as described in claim 22, wherein that portion of said elongated pin member between said terminal end and said insert member includes an electrically insulating coating disposed thereabout.
Claim 27
Dependent Claim
47 words
The electrical connector as described in claim 20, wherein said extendable portion comprises a flexible conductor electrically interengaging each said second contact member and said terminal portion, said flexible conductor being foldable for accommodating movement of said insert member between said mating position and said non-mating position.
Claim 28
Dependent Claim
122 words
The electrical connector as described in claim 20, wherein said latch means comprises at least one elongated member extendable from one said housing into the other said housing and having a first latching member disposed on the extendable end thereof, and at least one second latching member disposed in said other said housing and adapted for firmly engaging one said first latching member when said elongated member is extended into said one said housing, the longitudinal movement of each said elongated member in one direction effecting movement of said insert member from said non-mating position to said mating position to firmly interengage said first and second contact members, said engaged first and second latching members locking said contact means in firm interengagement.
Claim 29
Dependent Claim
57 words
The electrical connector as described in claim 20, wherein said separation means comprises source means for generating a pressurized fluid, means for distributing said fluid to said first housing, said driver means movable by said fluid for disengaging said first and second contact members by moving said insert member from said mating position to said non-mating position.
Claim 30
Dependent Claim
41 words
The electrical connector as described in claim 20, wherein said first and second housings include means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants while said housings are engaged and during disengagement thereof.
Claim 31
Dependent Claim
171 words
An electrical connector assembly for interconnecting adjacent guided missile stages comprising: a first connector housing secured to one said missile stage and supporting first contact means therewithin, said first housing having a recessed mating end; a second connector housing secured to the adjacent missile stage and adapted for engagement with said recessed mating end of said first connector housing, said second connector housing supporting second contact means therewithin engageable with said first contact means; and actuator means for physically and electrically engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings, said actuator means including means for moving said contact means into said recessed mating end of said first housing to interengage said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for moving said second contact means out of said recessed mating end of said first housing to disengage said first and second contact means prior to the disengagement of said housings.
Claim 32
Dependent Claim
171 words
An electrical connector assembly for interconnecting adjacent guided missile stages comprising: a first connector housing secured to one said missile stage and supporting first contact means therewithin, said first housing having a recessed mating end; a second connector housing secured to the adjacent missile stage and adapted for engagement with said recessed mating end of said first connector housing, said second connector housing supporting second contact means therewithin engageable with said first contact means; and actuator means for physically and electrically engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings, said actuator means including means for moving said contact means into said recessed mating end of said first housing to interengage said first and second contact means subsequent to the engagement of said first and second housings and quick disconnect means for moving said second contact means out of said recessed mating end of said first housing to disengage said first and second contact means prior to the disengagement of said housings.
Claim 33
Dependent Claim
34 words
The connector assembly as described in claim 28, wherein said latch means engages and disengages said first and second contact means along a line substantially parallel with the central axis of the interconnected housings.
Claim 34
Dependent Claim
85 words
The connector assembly as described in claim 29, wherein said actuator means includes a movable insert member disposed within said second housing for movement along a line substantially parallel with the central axis of said second housing, and wherein said second contact means comprises a terminal portion, an active contact portion carried by said insert member and axially engageable with said first contact means, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions during movement of said insert member.
Claim 35
Dependent Claim
45 words
The connector assembly as described in claim 30, wherein the movement of said insert member is independent of the engagement and disengagement of said first and second housings to permit said housings to be disengaged along a line not substantially parallel to said central axis.
Claim 36
Dependent Claim
106 words
In an electrical connector having a first housing supporting first contact means and a second housing adapted for engagement with said first housing and supporting second contact means engageable with said first contact means, the improvement wherein said connector further comprises latch means for moving an insert member disposed in said second housing to a mating position to interengage said first and second contact means independently of the engagement and disengagement of said housings and for locking said contact means in interengagement, and quick disconnect means separate from said latch means for disengaging said first and second contact means prior to the disengagement of said housings.
Claim 37
Dependent Claim
106 words
In an electrical connector having a first housing supporting first contact means and a second housing adapted for engagement with said first housing and supporting second contact means engageable with said first contact means, the improvement wherein said connector further comprises latch means for moving an insert member disposed in said second housing to a mating position to interengage said first and second contact means independently of the engagement and disengagement of said housings and for locking said contact means in interengagement, and quick disconnect means separate from said latch means for disengaging said first and second contact means prior to the disengagement of said housings.
Claim 38
Dependent Claim
167 words
An electrical connector comprising: a first housing supporting first contact means, said first housing having a recessed mating end; a second housing adapted for engagement with said recessed mating end of said first housing and supporting second contact means engageable with said first contact means; and actuator means for engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings wherein said actuator means comprises a movable insert member supporting said second contact means and disposed within said second housing for movement into and out of said recessed mating end of said first housing between mating and non-mating positions, latch means for moving said insert member into said recessed mating end of said first housing into said mating position for interengaging said first and second contact means, and separation means for moving said second contact means out of said recessed mating end of said first housing for disengaging said first and second contact means prior to disengagement of said housings.
Claim 39
Dependent Claim
167 words
An electrical connector comprising: a first housing supporting first contact means, said first housing having a recessed mating end; a second housing adapted for engagement with said recessed mating end of said first housing and supporting second contact means engageable with said first contact means; and actuator means for engaging and disengaging said first and second contact means independently of the engagement and disengagement of said housings wherein said actuator means comprises a movable insert member supporting said second contact means and disposed within said second housing for movement into and out of said recessed mating end of said first housing between mating and non-mating positions, latch means for moving said insert member into said recessed mating end of said first housing into said mating position for interengaging said first and second contact means, and separation means for moving said second contact means out of said recessed mating end of said first housing for disengaging said first and second contact means prior to disengagement of said housings.
Claim 40
Dependent Claim
122 words
The electrical connector as described in claim 33, wherein said latch means comprises at least one elongated member extendable from one said housing into the other said housing and having a first latching member disposed on the extendable end thereof, and at least one second latching member disposed in said other said housing and adapted for firmly engaging one said first latching member when said elongated member is extended into the one said housing, the longitudinal movement of each said elongated member in one direction effecting movement of said insert member from said non-mating position to said mating position to firmly interengage said first and second contact means, said engaged first and second latching members maintaining said contact means in firm interengagement.
Claim 41
Dependent Claim
74 words
The electrical connector as described in claim 33, wherein each said elongated member is longitudinally extendable from said first housing into said second housing for interengagement of said first and second latching members, said second latching member being secured to said insert member, said elongated member being longitudinally movable back into said second housing after interengagement of said latching members to move said insert member to its mating position and interengage said contact means.
Claim 42
Dependent Claim
50 words
The electrical connector as described in claim 33, wherein each said elongated member is longitudinally extendable from said second housing into said first housing for interengagement of said latching members and is secured for longitudinal movement with said insert member, said second latching member being disposed in said first housing.
Claim 43
Dependent Claim
57 words
The electrical connector as described in claim 33, wherein said separation means comprises source means for generating a pressurized fluid, means for distributing said fluid to said first housing, and driver means movable by said fluid for disengaging said first and second contact means by moving said insert member from said mating position to said non-mating position.
Claim 44
Dependent Claim
167 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating position, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating positions wherein said actuator means further comprises latch means for moving said insert member to said mating position and for maintaining interengagement of said active contact portion and said first contact means, and separation means for disengaging said active contact portion and said first contact means prior to disengagement of said housings.
Claim 45
Dependent Claim
167 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating position, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating positions wherein said actuator means further comprises latch means for moving said insert member to said mating position and for maintaining interengagement of said active contact portion and said first contact means, and separation means for disengaging said active contact portion and said first contact means prior to disengagement of said housings.
Claim 46
Dependent Claim
123 words
The electrical connector as described in claim 38, wherein said latch means comprises at least one elongated member extendable from one said housing into the other said housing and having a first latching member disposed on the extendable end thereof, and at least one second latching member disposed in said other said housing and adapted for firmly engaging said first latching member when said elongated member is extended into said one said housing, the longitudinal movement of each said elongated member in one direction effecting movement of said insert member from said non-mating position to said mating position to firmly interengage said active contact portion and first contact means, said engaged first and second latching members locking said contact means in firm interengagement.
Claim 47
Dependent Claim
59 words
The electrical connector as described in claim 38, wherein said separation means comprises source means for generating a pressurized fluid, means for distributing said fluid to said first housing, and driver means movable by said fluid for disengaging said active contact portion and first contact means by moving said insert member from said mating position to said non-mating position.
Claim 48
Dependent Claim
139 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement, said first and second housings including means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating positions, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating positions.
Claim 49
Dependent Claim
139 words
An electrical connector comprising: a first housing supporting first contact means therewithin; a second housing supporting second contact means therewithin engageable with said first contact means when said first and second housings are brought into engagement, said first and second housings including means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants; and actuator means including a movable insert member disposed within said second housing for movement between mating and non-mating positions, said second contact means including a terminal portion, an active contact portion carried by said insert member for electrical engagement with said first contact means when said insert member is in said mating position, and an extendable portion for maintaining continuous electrical connection between said active and terminal portions as said insert member moves between said mating and non-mating positions.
Claim 50
Dependent Claim
278 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion having at least one elongated socket member, said terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with one said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact member and said terminal portion as said insert member is moved between said mating and non-mating positions, said extendable portion comprising an elongated pin member projecting from each said second contact member being movable within said socket member and including a terminal end for continuous electrical contact with the interior of said socket member as said insert member is moved between said mating and non-mating positions; latch means for moving said insert member to said mating position and for maintaining interengagement of said first and second contact members; and separation means for disengaging said first and second contact members prior to disengagement of said housings.
Claim 51
Dependent Claim
278 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion having at least one elongated socket member, said terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with one said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact member and said terminal portion as said insert member is moved between said mating and non-mating positions, said extendable portion comprising an elongated pin member projecting from each said second contact member being movable within said socket member and including a terminal end for continuous electrical contact with the interior of said socket member as said insert member is moved between said mating and non-mating positions; latch means for moving said insert member to said mating position and for maintaining interengagement of said first and second contact members; and separation means for disengaging said first and second contact members prior to disengagement of said housings.
Claim 52
Dependent Claim
31 words
The electrical connector as described in claim 42, wherein that portion of said elongated pin member between said terminal end and said insert member includes an electrically insulating coating disposed thereabout.
Claim 53
Dependent Claim
47 words
The electrical connector as described in claim 43, wherein said extendable portion comprises a flexible conductor electrically interengaging each said second contact member and said terminal portion, said flexible conductor being foldable for accommodating movement of said insert member between said mating position and said non-mating position.
Claim 54
Dependent Claim
195 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion said first and second housings including means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants while said housings are engaged and during disengagement thereof; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with one said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact.
Claim 55
Dependent Claim
195 words
An electrical connector comprising: a first housing having a forward fastening end portion with first contact means disposed therewithin, said first contact means including at least one first contact member; a second housing having a fixed rear portion and a forward fastening end portion adapted for engagement with said first housing forward fastening end portion said first and second housings including means for shielding said first and second contact means from electromagnetic interference, electromagnetic pulses and environmental contaminants while said housings are engaged and during disengagement thereof; a movable insert member disposed within said second housing for movement between a mating position and a non-mating position; second contact means disposed within said second housing and adapted for electrical engagement with said first contact means when said insert member is in said mating position and said first and second housings are brought into engagement, said second contact means including a terminal portion disposed in said fixed rear portion, at least one active second contact member carried by said insert member and adapted for engagement with one said first contact member, and an extendable portion for maintaining continuous electrical connection between said at least one second contact.