Film magazine

Claim 2

A magazine for housing a film strip and adapted to be inserted into the body of a camera said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber; and drive means supported by said housing and operably connected to the spool member in said take-up chamber for producing energy sufficient to rotate said spool member in said take-up chamber.

Claim 3

The magazine of claim 1 wherein said flexible strip material is a photographic film having at least a portion of one surface coated with a photosensitive material.

Claim 4

The magazine of claim 1 wherein said one spool member is provided with a hollow shaft portion and wherein said drive means is a helical spring mounted within said hollow shaft portion, said helical spring having one end secured to said housing and another end secured to said second spool member.

Claim 5

The magazine of claim 3 wherein said one spool member has a circular extended portion at one end, said extended portion being provided with a plurality of teeth or projections around its circumference, and wherein locking means comprises a pawl member and resilient means for biasing said pawl member toward said teeth or projections for engagement therewith.

Claim 6

The magazine of claim 1 wherein said one spool member has a coaxial shaft portion extending from one end and wherein said drive means is a coil spring situated around said shaft, said spring having one end adfixed to said shaft and another end adfixed to a wall of said housing.

Claim 7

The magazine of claim 5 wherein said shaft is provided with a plurality of teeth or proJections around its circumference, and wherein locking means comprises a pawl member and resilient means for biasing said pawl member toward said teeth or projections for engagement therewith.

Claim 8

The magazine of claim 1 wherein said energy is sufficient to draw a predetermined portion of said strip into said take-up chamber upon release of said locking means.

Claim 9

The magazine of claim 1 wherein said energy is sufficient to draw the entire length of said strip material into said take-up chamber responsive to release of said locking means.

Claim 10

In a magazine for a flexible strip material, said magazine having a first chamber, a second chamber and an intermediate strip guide means connecting said first and second chambers to allow the strip to travel between said chambers, the improvement comprising: means supported by the magazine for regulating the speed of the travel of the strip between the chambers, said regulating means comprising a first resilient member mounted within the first chamber and a second resilient member mounted within the second chamber said first and second resilient members being deenergized responsive to the travel of the strip.

Claim 11

In a magazine for a flexible strip material, said magazine having a first chamber, a second chamber and an intermediate strip guide means connecting said first and second chambers to allow the strip to travel between said chambers, the improvement comprising: means supported by the magazine for regulating the speed of the travel of the strip between the chambers, said regulating means comprising a first resilient member mounted within the first chamber and a second resilient member mounted within the second chamber said first and second resilient members being deenergized responsive to the travel of the strip.

Claim 12

The magazine of claim 9 wherein said flexible strip material is a photographic film strip having at least a portion of one surface coated with a photosensitive material.

Claim 13

The magazine of claim 10 wherein at least one of said resilient members is a spring biased against one surface of the strip material.

Claim 14

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber, one of said spool members being provided with at least one flange member at one end thereof, said flange having a first stop member or protrusion on one surface; drive means supported by said housing and operably connected to said one spool member for producing energy sufficient to rotate said one spool member, and locking means comprising a second stop member slideably mounted within said housing and resilient means for biasing said second stop member into engagement with said first stop member to lock said one spool member against rotation.

Claim 15

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber, one of said spool members being provided with at least one flange member at one end thereof, said flange having a first stop member or protrusion on one surface; drive means supported by said housing and operably connected to said one spool member for producing energy sufficient to rotate said one spool member, and locking means comprising a second stop member slideably mounted within said housing and resilient means for biasing said second stop member into engagement with said first stop member to lock said one spool member against rotation.

Claim 16

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber, one of said spool members being provided with at least one flange member at one end thereof, said flange member having at least one stop member thereon; said housing having an opening adjacent to said flange; drive means supported by said housing and operably connected to said one spool member for producing energy sufficient to rotate said one spool member; and locking means comprising a plate member pivotally attached to said housing for movement between open and closed positions and covering said opening in said closed position, said plate member carrying at least one protrusion for engagement with said stop member when said plate member is in said closed position.

Claim 17

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber, one of said spool members being provided with at least one flange member at one end thereof, said flange member having at least one stop member thereon; said housing having an opening adjacent to said flange; drive means supported by said housing and operably connected to said one spool member for producing energy sufficient to rotate said one spool member; and locking means comprising a plate member pivotally attached to said housing for movement between open and closed positions and covering said opening in said closed position, said plate member carrying at least one protrusion for engagement with said stop member when said plate member is in said closed position.

Claim 18

The magazine of claim 13 wherein said locking means further comprises a pin member slideably mounted within said magazine and adapted to be forced against said plate member to move said plate member to the open position.

Claim 19

The magazine of claim 12 further comprising: means integral with the magazine for regulating the speed of the travel of the strip between the chambers, said regulating means comprising a resilient member mounted within said supply Chamber and bearing on a surface of the strip, said resilient member being deenergized proportionally to the deenergization of the drive means.

Claim 20

The magazine of claim 13 further comprising: means integral with the magazine for regulating the speed of the travel of the strip between the chambers, said regulating means comprising a resilient member mounted within said supply chamber and bearing on a surface of the strip, said resilient member being deenergized proportionally to the deenergization of the drive means.

Claim 21

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber; drive means supported by said housing and operably connected to one of said spool members for producing energy sufficient to rotate said one spool member; and means integral with the magazine for regulating the speed of the travel of a strip between the chambers, said regulating means comprising a resilient member mounted within said supply chamber and bearing on a surface of the strip, said resilient member being deenergized proportionally to the deenergization of the drive means.

Claim 22

A magazine for housing a film strip and adapted to be inserted into the body of a camera, said magazine comprising: a housing defining a hollow supply chamber, a hollow take-up chamber and guide means connecting said supply chamber and said take-up chamber; a spool member rotatably mounted in each of said chambers for transferring said strip between said supply chamber and said take-up chamber; drive means supported by said housing and operably connected to one of said spool members for producing energy sufficient to rotate said one spool member; and means integral with the magazine for regulating the speed of the travel of a strip between the chambers, said regulating means comprising a resilient member mounted within said supply chamber and bearing on a surface of the strip, said resilient member being deenergized proportionally to the deenergization of the drive means.