Cinematographic projectors or the like and cartridges for use therewith

Claim 2

Apparatus for handling an elongate strip of web material having a leading end, said apparatus comprising: a. means for selectively rotatably supporting a supply roll of web material at a first position and a second position; b. means defining a guide path for receiving a portion of a strip of web material unwound from a supported supply roll; c. means for advancing the strip of web material through said guide means; d. means for engaging the leading end of the strip of web material initially wound upon a supply roll supported at said first position and for feeding the end of that strip into said guide path defining means, said engaging and feeding means being positioned to prevent its engaging the leading end of a strip of web material initially wound onto a supply roll supported at said second position; e. a member movable between an inactive position beyond said guide path and an active position, said movable member when in its active position defining with said web engaging and feeding means a structure for driving into said guide means the leading end of a strip of web material introduced manually into said structure from a supply roll supported at said second position.

Claim 3

a second location at which a supply roll mounted on said drive member is rotatably supported at said second position.

Claim 4

a second location at which a supply roll mounted on said drive member is rotatably supported at said second position.

Claim 5

an extended position in engagement with a roll supported in said first location; b. first operating means adapted upon operation thereof to move said drive member from said retracted position to said extended position; c. second operating means adapted upon operation thereof to move said manual threading member from said inactive position to said active position; and d. coordinating means adapted

Claim 6

an extended position in engagement with a roll supported in said first location; b. first operating means adapted upon operation thereof to move said drive member from said retracted position to said extended position; c. second operating means adapted upon operation thereof to move said manual threading member from said inactive position to said active position; and d. coordinating means adapted

Claim 7

to disable operation of said second operating means whenever a supply roll is supported by said spindle means at said first location.

Claim 8

to disable operation of said second operating means whenever a supply roll is supported by said spindle means at said first location.

Claim 9

to a second condition for moving said strip of film longitudinally toward said film supply roll as said strip is wound onto said roll; and c. a threading device adjustable

Claim 10

to a second condition for moving said strip of film longitudinally toward said film supply roll as said strip is wound onto said roll; and c. a threading device adjustable

Claim 11

to an active condition in which said device is adapted to receive the leading end of said strip from said roll and to feed said leading end into engagement by said film moving means; the improvEment comprising: d. interlock means responsive to the adjustment of said film moving means for precluding adjustment of said threading device from said inactive condition to said active condition so long as said film moving means is adjusted to said second condition.

Claim 12

to an active condition in which said device is adapted to receive the leading end of said strip from said roll and to feed said leading end into engagement by said film moving means; the improvEment comprising: d. interlock means responsive to the adjustment of said film moving means for precluding adjustment of said threading device from said inactive condition to said active condition so long as said film moving means is adjusted to said second condition.

Claim 13

operatively connecting said drive member and said driving means for positive rotation thereby, and

Claim 14

operatively connecting said drive member and said driving means for positive rotation thereby, and

Claim 15

a stripping member adapted to guide the leading end of a strip on a supply roll so engaged with said endless moving drive member into said passageway as said leading end is moved away from its supply roll by such unwinding rotation thereof; and d. a manual threading member movable between

Claim 16

a stripping member adapted to guide the leading end of a strip on a supply roll so engaged with said endless moving drive member into said passageway as said leading end is moved away from its supply roll by such unwinding rotation thereof; and d. a manual threading member movable between

Claim 17

an active position in which said manual threading member is in contact with said endless moving drive member to define a nip adapted to receive the manually inserted outermost end of a strip of material wound onto a supply roll supported at said second position beyond engageable relation with said drive member, whereby said outermost end is advanced into said passageway by said endless moving drive member.

Claim 18

an active position in which said manual threading member is in contact with said endless moving drive member to define a nip adapted to receive the manually inserted outermost end of a strip of material wound onto a supply roll supported at said second position beyond engageable relation with said drive member, whereby said outermost end is advanced into said passageway by said endless moving drive member.

Claim 19

Apparatus as defined in claim 1 further comprising mode determining means for retaining said movable member in its inactive position when a supply roll is supported at said first position and for moving said movable member to its active position when a supply roll is supported at said second position.

Claim 20

operatively connecting said drive member and said driving means by frictional means adapted to limit the torque transmittable between said driving means and said drive Member; and c. control means adapted to selectively adjust said clutch means in accordance with functions sequentially performed by said machine to effect an operating cycle of said machine.

Claim 21

operatively connecting said drive member and said driving means by frictional means adapted to limit the torque transmittable between said driving means and said drive Member; and c. control means adapted to selectively adjust said clutch means in accordance with functions sequentially performed by said machine to effect an operating cycle of said machine.

Claim 22

Apparatus as defined in claim 1 wherein said means for supporting a supply roll comprises: a. a rotatable drive member adapted to rotatably support a supply roll mounted thereon; and b. selectively positionable means for supporting said drive member for movement to

Claim 23

Apparatus as defined in claim 3 further comprising: a. means for driving said drive member; b. clutch means selectively adjustable for

Claim 24

Apparatus as defined in claim 4 further comprising means responsive to the location of said selectively positionable means for adjusting said control means to a. a first condition in which said control means adjusts said clutch means in accordance with functions sequentially performed by said machine to effect a first predetermined operating cycle of said machine when said machine is provided with an elongate strip of material supplied by a supply roll supported at said first location, and to b. a different second condition in which said control means adjusts said clutch means in accordance with functions sequentially performed by said machine to effect a different predetermined second operating cycle of said machine when said machine is provided with an elongate strip of material supplied by a supply roll supported at said second location.

Claim 25

A machine adapted to be threaded with an elongate strip of material supplied from a supply roll, said machine comprising: a. spindle means for rotatably supporting a supply roll at a selected one of a first location and a second location; b. means defining a threading passageway; c. an automatic stripping mechanism including

Claim 26

A machine adapted to be threaded with an elongate strip of material supplied from a supply roll, said machine comprising: a. spindle means for rotatably supporting a supply roll at a selected one of a first location and a second location; b. means defining a threading passageway; c. an automatic stripping mechanism including

Claim 27

The invention defined by claim 6 including; a. means supporting said drive member for movement between,

Claim 28

In a motion picture projector including: a. means for supporting a film supply roll of an elongate wound strip of film; b. film moving means adjustable

Claim 29

In a motion picture projector including: a. means for supporting a film supply roll of an elongate wound strip of film; b. film moving means adjustable

Claim 30

A machine adapted to move an elongate strip of web material longitudinally past a position established in predetermined relation to an operational element of said machine, said machine being characterized by: a. roll support means adapted to receive and rotatably support a supply roll of said web material; b. guide means for defining a path adapted to receive a portion of a strip of web material unwound from a supply roll supported by said roll support means along which such strip is movable longitudinally past said predetermined position; c. strip advancing means adapted to effect such longitudinal movement of the strip of web material received by said guide means as such strip is thereby unwound from said supply roll; d. a self-threading mechanism including a threading member movable between an inactive position and an active position in which said threading member engages the leading end of the strip of web material initially wound upon a supply roll supported by said support means to feed the leading end of said strip along a predetermined threading path into reception by said guide means; and e. a manual threading mechanism including a guide member movable between an inactive position beyond said threading path and an active position in which said guide member at least partially defines a structure adapted to feed into said guide means the leading end of a strip of web material introduced manually into said structure from said supply roll.

Claim 31

A machine adapted to move an elongate strip of web material longitudinally past a position established in predetermined relation to an operational element of said machine, said machine being characterized by: a. roll support means adapted to receive and rotatably support a supply roll of said web material; b. guide means for defining a path adapted to receive a portion of a strip of web material unwound from a supply roll supported by said roll support means along which such strip is movable longitudinally past said predetermined position; c. strip advancing means adapted to effect such longitudinal movement of the strip of web material received by said guide means as such strip is thereby unwound from said supply roll; d. a self-threading mechanism including a threading member movable between an inactive position and an active position in which said threading member engages the leading end of the strip of web material initially wound upon a supply roll supported by said support means to feed the leading end of said strip along a predetermined threading path into reception by said guide means; and e. a manual threading mechanism including a guide member movable between an inactive position beyond said threading path and an active position in which said guide member at least partially defines a structure adapted to feed into said guide means the leading end of a strip of web material introduced manually into said structure from said supply roll.

Claim 32

The invention defined by claim 9 including means for disabling movement of a selected one of said members from its respective inactive position.

Claim 33

The invention defined by claim 10 including: a. sensing means for detecting the arrival of said strip at a predetermined location along said guide means as said strip is fed into said guide means by one of said mechanisms, and b. means responsive to said sensing means for automatically moving to its respective inoperative position the one of said members located in its respective operative position when said strip is so detected by said sensing means.