Patent US3788153A successfully refreshed from Google Patents.
US3788153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for transporting film through a series of rollers
Assignee: Pako Corp
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Filing: 1972-09-15
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Granted: 1974-01-29
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Expires: 1992-09-15
Abstract
Abstract Driving means for transporting sheet material between a series of companion rollers rotatable in opposite directions and which are rotatably mounted in bearing means and rotated by cranks acting between certain of said rollers and a driving plate and gears between said driven rollers and the other rollers together with means for guiding the plate in circular and rectilinear movement, an internal ring gear fixed relative to said plate and a spur pinion whose pitch diameter is one half of that of the ring gear meshing with the ring gear and whose axis of rotation is fixed relative to the bearing means.
Inventors
- 👤 C Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:41
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/003; G03D3/00; G03D3/08; G03D3/13; G03D3/132; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/1836; Y10T74/184
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
124 words
In a device for transporting film of the type having supporting means, a plurality of rotary members bearing means on said supporting meAns for supporting said rotary members for rotation, a drive plate having pins mounted thereon, individual cranks acting between certain of said pins and said rotary members, guides acting between said bearing means and said drive plate and guiding said drive plate for rotary and rectilinear movement, the combination of a. motion producing means for actuating said drive plate comprising: b. a circular drive member coacting with c. a circular driven member d. said drive member having the axis thereof fixed relative to said supporting means and e. said circular driven member being mounted in and fixed relative to said drive plate.
Claim 2
Dependent Claim
124 words
In a device for transporting film of the type having supporting means, a plurality of rotary members bearing means on said supporting meAns for supporting said rotary members for rotation, a drive plate having pins mounted thereon, individual cranks acting between certain of said pins and said rotary members, guides acting between said bearing means and said drive plate and guiding said drive plate for rotary and rectilinear movement, the combination of a. motion producing means for actuating said drive plate comprising: b. a circular drive member coacting with c. a circular driven member d. said drive member having the axis thereof fixed relative to said supporting means and e. said circular driven member being mounted in and fixed relative to said drive plate.
Claim 3
Dependent Claim
28 words
Motion producing means according to claim 1 in which: a. the circular drive member is a spur pinion and b. the circular driven member is a spur gear.
Claim 4
Dependent Claim
37 words
Motion producing means according to claim 1 in which: a. the circular driven member is a ring gear, and b. the circular drive member is a spur pinion gear operating within the confines of the ring gear.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |