US3791903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microfilm mounter
Assignee: Canon Inc
•
Filing: 1971-07-01
•
Granted: 1974-02-12
•
Expires: 1991-07-01
Abstract
Abstract A film mounter for cutting a long film such as pre-recorded microfilm or the like into pieces of a predetermined size and mounting such pieces of film onto apertured cards. The film mounter is equipped with a cutter device which normally consists of a movable cutter member and a pair of stationary cutter members. The movable cutter has a pair of cutting edges and the stationary cutter has a wedge-shaped transverse slot having a cutting edge, the film being cut by their cooperation. The stationary cutter is pivotally supported on a frame so that the resilient and forceful contacts between the cutting edges of the movable cutter and the stationary cutter are assured. Furthermore the relative movement between the movable and stationary cutters provide self-sharpening due to the close contact between them. Accordingly an excellent cutting performance can be always expected.
Inventors
- 👤 K Omi
- 👤 T Arai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:16
CPC Classifications
G; G03; G03D; G03D15/00; G03D15/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/12; Y10T156/1304; Y10T156/1309; Y10T156/1317; Y10T156/1322
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
219 words
A film mounter comprising: a supporting frame for holding a length of elongated film, cutter means including a movable cutter member having a pair of cutting edges spaced apart at a distance corresponding to the longitudinal dimension of a piece of film to be cut off, and a second cutter member with cutting edges arranged to complement the cutting edges of said movable cutting member to provide a shearing action, the cutting edges of said second cutter member being held stationary with respect to displacement normal to the plane of the film and at least one of the cutting edges of said second cutter member being held movably in the direction of elongation of the supported film with respect to at least one of the cutting edges of said movable cutter member, said second cutter member having at least one of the cutting edges thereof adapted to be uniformly urged into resilient contact with said cutting edge of said movable cutter member during said shearing action, means for feeding a film between the cutting edges of said second cutter member, and drive means associated with said movable cutter member for driving same towards the cutting edge of said second cutter member to hold and cut said film between the cutting edges of said movable cutter and second cutter members.
Claim 2
Dependent Claim
219 words
A film mounter comprising: a supporting frame for holding a length of elongated film, cutter means including a movable cutter member having a pair of cutting edges spaced apart at a distance corresponding to the longitudinal dimension of a piece of film to be cut off, and a second cutter member with cutting edges arranged to complement the cutting edges of said movable cutting member to provide a shearing action, the cutting edges of said second cutter member being held stationary with respect to displacement normal to the plane of the film and at least one of the cutting edges of said second cutter member being held movably in the direction of elongation of the supported film with respect to at least one of the cutting edges of said movable cutter member, said second cutter member having at least one of the cutting edges thereof adapted to be uniformly urged into resilient contact with said cutting edge of said movable cutter member during said shearing action, means for feeding a film between the cutting edges of said second cutter member, and drive means associated with said movable cutter member for driving same towards the cutting edge of said second cutter member to hold and cut said film between the cutting edges of said movable cutter and second cutter members.
Claim 3
Dependent Claim
63 words
A film mounter as defined in claim 1, wherein said second cutter member has one end thereof adjacent to said drive means pivotally supported and the other end formed with a narrow transverse slot for passing said film therethrough, the edge of said slot being formed as a cutting edge and adapted to be urged into resilient contact with said movable cutter member.
Claim 4
Dependent Claim
55 words
A film mounter as defined in claim 2, wherein said narrow slot in said second cutter member is in the form of a wedge-shaped slit having a gradually reduced width, and said drive means drives said movable cutter member linearly toward said narrow slot of said second cutter member in a direction substantially perpendicular thereto.
Claim 5
Dependent Claim
107 words
A film mounter as defined in claim 1, wherein said movable cutter member has parallel surfaces, the end faces of said parallel surfaces opposite to said drive means being provided with said cutting edges, and said second cutter member has one end thereof adjacent to said drive means pivotally supported in parallel relationship with said parallel surfaces of said movable cutter member and the other end formed with a narrow slot for passing said film therethrough, the edge of said slot being formed as a cutting edge and being adapted to be urged into resilient contact with one of said cutting edges of said movable cutter member.
Claim 6
Dependent Claim
52 words
A film mounter as defined in claim 4, wherein spring members are provided to connect the slotted ends of said second cutter members with the movable cutter member so as to urge the cutting edges of said second cutter members into resilient contact with the cutting edges of said movable cutter member.
Claim 7
Dependent Claim
106 words
A film mounter as defined in claim 1, wherein said second cutter member is fixed to one end of a resilient member secured to said frame and extending forwardly from said drive means, said end of said resilient member to which said second cutter member is fixed is embedded in said cutter member so that the surface of the resilient member is on the same plane as that of the cutting edge of said second cutter member, said resilient member being secured to said frame to urge the cutting edge of said second cutter member into contact with the cutting edge of said movable cutter member.
Claim 8
Dependent Claim
77 words
A film mounter as defined in claim 6, wherein said film feed means includes a pair of film transport rollers for nipping the film and slit-like guide slots formed in said second cutter member from surfaces including said cutting edges to opposite surfaces of said second cutter member, said guide slots having a width substantially equal to the width of said film, the edges of said guide slots providing the cutting edges of said second cutter member.
Claim 9
Dependent Claim
111 words
A film mounter according to claim 1 in which the cutting edges of said second cutter member are independently supported by respective supporting means permitting at least one of the second cutter member cutting edges to move in the direction of elongation of the supported film, and the urging of the second cutter member into resilient contact with said cutting edges of said movble cutter member during the shearing action is accomplished by spring means extending between the respective supporting means, said spring means being operable to bias said at least one of the second cutter members cutting edges toward contact with the complementary cutting edge of the movable cutting member.
Claim 10
Dependent Claim
153 words
A film mounter comprising: a supporting frame for holding a length of elongated film, cutter means including a movable cutter member having a pair of parallel cutting edges spaced apart at a distance corresponding to the longitudinal dimension of a piece of film to be cut off, and a second cutter member with parallel cutting edges to match the cutting edges of said movable cutter member to provide a shearing action, the cutting edges of said second cutter member being held substantially stationary with respect to displacement in the direction of cutting movement of said movable member, the cutting edges of said second cutter member being held movably in a direction perpendicular to the cutting movement of said movable member, and the cutting edges of said second cutter member being adapted to be resiliently biased towards and contacted with the respective associated cutting edges of said movable cutter member during said shearing action.
Claim 11
Dependent Claim
153 words
A film mounter comprising: a supporting frame for holding a length of elongated film, cutter means including a movable cutter member having a pair of parallel cutting edges spaced apart at a distance corresponding to the longitudinal dimension of a piece of film to be cut off, and a second cutter member with parallel cutting edges to match the cutting edges of said movable cutter member to provide a shearing action, the cutting edges of said second cutter member being held substantially stationary with respect to displacement in the direction of cutting movement of said movable member, the cutting edges of said second cutter member being held movably in a direction perpendicular to the cutting movement of said movable member, and the cutting edges of said second cutter member being adapted to be resiliently biased towards and contacted with the respective associated cutting edges of said movable cutter member during said shearing action.
Claim 12
Dependent Claim
101 words
A film mounter according to claim 9 in which the cutting edges of said second cutter member are independently supported by respective supporting means permitting the second cutter member cutting edges to move in the direction of elongation of the supported film, and the urging of the second cutter member into resilient contact with said cutting of said movable cutter member during the shearing action is accomplished by spring means extending between the respective supporting means, said spring means being operable to bias said second cutter member cutting edges toward contact with the complementary cutting edge of the movable cutting member.
References Cited (Backward Citations)
US2666543A
Cited
US2591519A
Cited
US2643786A
Cited
US2819656A
Cited
US3164510A
Cited
US3197353A
Cited
US3194709A
Cited
US3310450A
Cited
US3707424A
Cited
US3707422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |