Claims Analysis
Total Claims: 51
Claim 1
Independent Claim
144 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion being slidingly separable from said second portion in a direction transverse to said movable barrier means in response to application of a predetermined force to said first portion transverse to said movable barrier means.
Claim 2
Independent Claim
144 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion being slidingly separable from said second portion in a direction transverse to said movable barrier means in response to application of a predetermined force to said first portion transverse to said movable barrier means.
Claim 3
Dependent Claim
92 words
An apparatus for controlling passage through an opening as recited in claim 1 wherein said movable barrier means generally moves in a plane to effect said blocking; and said first portion and said second portion interfit to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in two directions, said two directions being transverse to said plane.
Claim 4
Dependent Claim
72 words
An apparatus for controlling passage through an opening as recited in claim 2 wherein each of said at least one guide follower means further comprises a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 5
Dependent Claim
62 words
An apparatus for controlling passage through an opening as recited in claim 2 wherein each of said at least one guide follower means further comprises temporary holding means for maintaining a predetermined relative orientation of said first portion and said second portion, said temporary holding means ceasing to maintain said predetermined relative orientation in response to said application of said predetermined force.
Claim 6
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 1 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 7
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 2 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 8
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 3 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 9
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 4 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 10
Dependent Claim
91 words
An apparatus for controlling passage through an opening as recited in claim 1 wherein said movable barrier means generally moves in a plane to effect said blocking; and said first portion and said second portion interfit to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in one direction, said direction being transverse to said plane.
Claim 11
Dependent Claim
72 words
An apparatus for controlling passage through an opening as recited in claim 9 wherein each of said at least one guide follower means further comprises a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 12
Dependent Claim
62 words
An apparatus for controlling passage through an opening as recited in claim 9 wherein each of said at least one guide follower means further comprises temporary holding means for maintaining a predetermined relative orientation of said first portion and said second portion, said temporary holding means ceasing to maintain said predetermined relative orientation in response to said application of said predetermined force.
Claim 13
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 9 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 14
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 10 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 15
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 11 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 16
Independent Claim
143 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion being slidingly separable from said second section in a direction transverse to said movable barrier means upon said application of said force in excess of said predetermined magnitude generally in said direction.
Claim 17
Independent Claim
143 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion being slidingly separable from said second section in a direction transverse to said movable barrier means upon said application of said force in excess of said predetermined magnitude generally in said direction.
Claim 18
Dependent Claim
86 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 15 wherein said first portion and said second portion interfit to form at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said movable barrier means, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in two directions, said two directions being transverse to said plane.
Claim 19
Dependent Claim
74 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 15, wherein the apparatus further comprises a frangible pin means for securing said first portion and said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail upon said application of said force in excess of said predetermined magnitude.
Claim 20
Dependent Claim
65 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 15, wherein the apparatus further comprises temporary retaining means for maintaining a predetermined relative orientation of said first portion and said second portion, said retaining means being configured to cease maintaining said predetermined relative orientation upon said application of said force in excess of said predetermined magnitude.
Claim 21
Dependent Claim
144 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 15 wherein one of said first portion and said second portion comprises a generally C-shaped member having a base section, a pair of arms depending from said base section, and a pair of facing arms depending from said arms defining a cavity bounded by said base section, said arms, and said facing arms; said facing arms defining a gap between said facing arms, said gap providing an access to said cavity; the other of said first portion and said second portion comprising a generally T-shaped member having a base member and a cross member, said generally T-shaped member and said generally C-shaped member being appropriately proportioned whereby said base member may traverse said gap and said cross member may effect operative sliding engagement within said cavity.
Claim 22
Dependent Claim
91 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 19 wherein said cross member comprises a first segment and a second segment, said first segment and said second segment depending in substantially opposite directions from said base member, said operative sliding engagement being established between said base section and one segment of said first segment and said second segment, and between one facing arm of said pair of facing arms and the other segment of said first segment and said second segment.
Claim 23
Dependent Claim
81 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 20 wherein, when said operative sliding engagement is established, a first gap is established between said one segment and the other facing arm of said pair of facing arms, and a second gap is established between said other segment and said base section, whereby said generally T-shaped member may be tiltingly positioned within said cavity and rotated to establish said operative sliding engagement.
Claim 24
Dependent Claim
56 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 19 wherein the apparatus further comprises bias means for biasing said generally T-shaped member at a desired position within said cavity, said bias means establishing a yieldable interference between said generally T-shaped member and said generally C-shaped member.
Claim 25
Dependent Claim
92 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 22 wherein said bias means comprises at least one bias assembly, each said at least one bias assembly comprising a retention member and an associated receptacle, said retention member biasedly engaging said receptacle when said generally T-shaped member is situated at said desired position; said retention member yieldingly disengaging said receptacle in response to said application of said force in excess of a predetermined magnitude in a direction transverse to said movable barrier means.
Claim 26
Dependent Claim
68 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 23 wherein said cross member comprises a pair of segments, said pair of segments depending in substantially opposite directions from said base member; and said at least one bias assembly comprises two bias assemblies, each of said two bias assemblies being associated with a different of said pair of segments.
Claim 27
Dependent Claim
45 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 23 wherein said retention member comprises a biased plunger, said plunger being affixed to said generally C-shaped member and being biasedly urged toward said generally T-shaped member.
Claim 28
Dependent Claim
51 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 25 wherein said receptacle comprises a depression integrally formed in said generally T-shaped member, said depression being appropriately proportioned and appropriately positioned to detentedly hold said generally T-shaped member at said desired position.
Claim 29
Dependent Claim
97 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 23 wherein said retention member comprises a biased plunger, said plunger being affixed to one of said generally C-shaped member and said generally T-shaped member, said plunger being biasedly urged toward another of said generally C-shaped member and said generally T-shaped member, and said receptacle comprises a depression integrally formed in said other of said generally C-shaped member and said generally T-shaped member, said depression having appropriately positioned to detentedly hold said generally T-shaped member at said desired position.
Claim 30
Dependent Claim
30 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 27 wherein said at least one bias assembly comprises two bias assemblies.
Claim 31
Independent Claim
152 words
An apparatus configured for maintaining a barrier in a position against a trans-barrier force less than a predetermined magnitude, said barrier having associated structure means for cooperating with the apparatus to define said position, the apparatus comprising a guide follower means attached to said barrier and operatively interacting with said structure means for defining said position, said guide follower means comprising a first portion attached to said barrier and a second portion operatively interactive with said structure means, said first portion and said second portion being in an interfitting relation and defining at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said barrier and oriented to allow sliding disengagement of said first portion from said second portion in a direction transverse to said barrier in response to application of a trans-barrier force to said barrier in excess of said predetermined magnitude.
Claim 32
Independent Claim
152 words
An apparatus configured for maintaining a barrier in a position against a trans-barrier force less than a predetermined magnitude, said barrier having associated structure means for cooperating with the apparatus to define said position, the apparatus comprising a guide follower means attached to said barrier and operatively interacting with said structure means for defining said position, said guide follower means comprising a first portion attached to said barrier and a second portion operatively interactive with said structure means, said first portion and said second portion being in an interfitting relation and defining at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said barrier and oriented to allow sliding disengagement of said first portion from said second portion in a direction transverse to said barrier in response to application of a trans-barrier force to said barrier in excess of said predetermined magnitude.
Claim 33
Independent Claim
269 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion and said second portion being separable in response to application of a predetermined force to said first portion transverse to said movable barrier means; said movable barrier means generally moving in a plane to effect said blocking; said first portion and said second portion interfitting to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in two directions, said two directions being transverse to said plane; each of said at least one guide follower means further comprising a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 34
Independent Claim
269 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion and said second portion being separable in response to application of a predetermined force to said first portion transverse to said movable barrier means; said movable barrier means generally moving in a plane to effect said blocking; said first portion and said second portion interfitting to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in two directions, said two directions being transverse to said plane; each of said at least one guide follower means further comprising a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 35
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 30 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 36
Independent Claim
269 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion and said second portion being separable in response to application of a predetermined force to said first portion transverse to said movable barrier means; said movable barrier means generally moving in a plane to effect said blocking; and said first portion and said second portion interfitting to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in one direction, said direction being transverse to said plane; each of said at least one guide follower means further comprising a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 37
Independent Claim
269 words
An apparatus for controlling passage through an opening comprising a movable barrier means for selectively blocking said opening; at least one guide means for guiding said movable barrier means; and at least one guide follower means for effecting operative connection between said movable barrier means and said at least one guide means, said at least one guide follower means being attached to said movable barrier means and operatively interactive with said at least one guide means to control movement of said movable barrier means; each of said at least one guide follower means comprising a first portion attached to said movable barrier means and a second portion, said first portion and said second portion being separable in response to application of a predetermined force to said first portion transverse to said movable barrier means; said movable barrier means generally moving in a plane to effect said blocking; and said first portion and said second portion interfitting to define at least one pair of mating surfaces, each of said at least one pair of mating surfaces being transverse to said plane, said at least one pair of mating surfaces being oriented to allow disengagement of said first portion and said second portion in one direction, said direction being transverse to said plane; each of said at least one guide follower means further comprising a frangible pin means for securing said first portion to said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail in response to said application of said predetermined force.
Claim 38
Dependent Claim
50 words
An apparatus for controlling passage through an opening as recited in claim 32 wherein said movable barrier means has a width and said movable barrier means includes a leading edge segment, said leading edge segment extending substantially across said width; said first portion being attached to said leading edge segment.
Claim 39
Independent Claim
192 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion and said second portion being separable upon said application of said force in excess of said predetermined magnitude in a direction transverse to said movable barrier means; the apparatus further comprising a frangible pin means for securing said first portion and said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail upon said application of said force in excess of said predetermined magnitude.
Claim 40
Independent Claim
192 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion and said second portion being separable upon said application of said force in excess of said predetermined magnitude in a direction transverse to said movable barrier means; the apparatus further comprising a frangible pin means for securing said first portion and said second portion, said frangible pin means intersecting at least one of said at least one pair of mating surfaces, said frangible pin means being configured to fail upon said application of said force in excess of said predetermined magnitude.
Claim 41
Independent Claim
262 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion and said second portion being separable upon said application of said force in excess of said predetermined magnitude in a direction transverse to said movable barrier means; one of said first portion and said second portion comprising a generally C-shaped member having a base section, a pair of arms depending from said base section, and a pair of facing arms depending from said arms defining a cavity bounded by said base section, said arms, and said facing arms; said facing arms defining a gap between said facing arms, said gap providing an access to said cavity; the other of said first portion and said second portion comprising a generally T-shaped member having a base member and a cross member, said generally T-shaped member and said generally C-shaped member being appropriately proportioned whereby said base member may traverse said gap and said cross member may effect operative sliding engagement within said cavity.
Claim 42
Independent Claim
262 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude to preclude damage to a closure assembly, said closure assembly including a generally planar movable barrier means for controlling access through an opening and at least one guide means disposed about said opening for guiding said movable barrier means, the apparatus comprising at least one guide follower means for operably connecting said movable barrier means and said at least one guide means, each of said at least one guide follower means including a first portion attached to said movable barrier means and a second portion operatively interactive with said at least one guide means, said first portion and said second portion being separable upon said application of said force in excess of said predetermined magnitude in a direction transverse to said movable barrier means; one of said first portion and said second portion comprising a generally C-shaped member having a base section, a pair of arms depending from said base section, and a pair of facing arms depending from said arms defining a cavity bounded by said base section, said arms, and said facing arms; said facing arms defining a gap between said facing arms, said gap providing an access to said cavity; the other of said first portion and said second portion comprising a generally T-shaped member having a base member and a cross member, said generally T-shaped member and said generally C-shaped member being appropriately proportioned whereby said base member may traverse said gap and said cross member may effect operative sliding engagement within said cavity.
Claim 43
Dependent Claim
91 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 35 wherein said cross member comprises a first segment and a second segment, said first segment and said second segment depending in substantially opposite directions from said base member, said operative sliding engagement being established between said base section and one segment of said first segment and said second segment, and between one facing arm of said pair of facing arms and the other segment of said first segment and said second segment.
Claim 44
Dependent Claim
81 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 36 wherein, when said operative sliding engagement is established, a first gap is established between said one segment and the other facing arm of said pair of facing arms, and a second gap is established between said other segment and said base section, whereby said generally T-shaped member may be tiltingly positioned within said cavity and rotated to establish said operative sliding engagement.
Claim 45
Dependent Claim
56 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 35 wherein the apparatus further comprises bias means for biasing said generally T-shaped member at a desired position within said cavity, said bias means establishing a yieldable interference between said generally T-shaped member and said generally C-shaped member.
Claim 46
Dependent Claim
90 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 38 wherein said bias means comprises at least one bias assembly, each said at least one bias assembly comprising a retention member and an associated receptacle, said retention member biasedly-engaging said receptacle when said generally T-shaped member is situated at said desired position; said retention member yieldingly disengaging said receptacle in response to said application of said force in excess of predetermined magnitude in a direction transverse to said movable barrier means.
Claim 47
Dependent Claim
68 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 39 wherein said cross member comprises a pair of segments, said pair of segments depending in substantially opposite directions from said base member; and said at least one bias assembly comprises two bias assemblies, each of said two bias assemblies being associated with a different of said pair of segments.
Claim 48
Dependent Claim
45 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 39 wherein said retention member comprises a biased plunger, said plunger being affixed to said generally C-shaped member and being biasedly urged toward said generally T-shaped member.
Claim 49
Dependent Claim
51 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 41 wherein said receptacle comprises a depression integrally formed in said generally T-shaped member, said depression being appropriately proportioned and appropriately positioned to detentedly hold said generally T-shaped member at said desired position.
Claim 50
Dependent Claim
97 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 39 wherein said retention member comprises a biased plunger, said plunger being affixed to one of said generally C-shaped member and said generally T-shaped member, said plunger being biasedly urged toward another of said generally C-shaped member and said generally T-shaped member, and said receptacle comprises a depression integrally formed in said other of said generally C-shaped member and said generally T-shaped member, said depression being appropriately positioned to detentedly hold said generally T-shaped member at said desired position.
Claim 51
Dependent Claim
30 words
An apparatus for accommodating application of a force in excess of a predetermined magnitude as recited in claim 43 wherein said at least one bias assembly comprises two bias assemblies.