Patent US3077159A successfully refreshed from Google Patents.
US3077159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable stroke reciprocating mechanism
Assignee: Samuel M Langston Co
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Filing: 1961-02-10
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Granted: 1963-02-12
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Expires: 1981-02-10
Abstract
No abstract record available.
Inventors
- 👤 William F Ward
- 👤 Jr Henry D Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:29
CPC Classifications
B; B41; B41F; B41F31/00; B41F31/15; F; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/20; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN COMBINATION, A DRIVING ROLLER, A FIRST SHAFT POSITIONED SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID DRIVING ROLLER, SAID FIRST SHAFT HAVING AT LEAST ONE ECCENTRICALLY ARRANGED LONGITUDINAL BORE, GEAR MEANS TO IMPART ROTATIONAL MOTION OF SAID DRIVING ROLLER TO SAID FIRST SHAFT, A SECOND SHAFT ROTATABLY SECURED IN EACH SAID BORE IN SAID FIRST SHAFT, A RING GEAR MOUNTED ADJACENT AN END OF EACH SAID SECOND SHAFT, A WALKING GEAR MOUNTED ON EACH SAID SECOND SHAFT AND ADAPTED TO TRAVERSE ITS RESPECTIVE RING GEAR UPON ROTATION OF SAID FIRST SHAFT, AN IDLER ROLLER, MEANS INCLUDING A DRIVE BOSS MOUNTED ON EACH SAID WALKING GEAR, THE MOTION OF EACH DRIVE BOSS BEING ESSENTIALLY PLANAR, YOKE MEANS ROTATABLY CONNECTED WITH SAID DRIVING ROLLER AND SAID IDLER ROLLER AND ADAPTED TO RECEIVE EACH DRIVE BOSS, WHEREBY THE ESSENTIALLY PLANAR MOTION OF EACH DRIVE BOSS IS TRANSLATED INTO RECIPROCATORY MOTION OF SAID DRIVING ROLLER AND SAID IDLER ROLLER.
Claim 2
Dependent Claim
156 words
IN COMBINATION, A DRIVING ROLLER, A FIRST SHAFT POSITIONED SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID DRIVING ROLLER, SAID FIRST SHAFT HAVING AT LEAST ONE ECCENTRICALLY ARRANGED LONGITUDINAL BORE, GEAR MEANS TO IMPART ROTATIONAL MOTION OF SAID DRIVING ROLLER TO SAID FIRST SHAFT, A SECOND SHAFT ROTATABLY SECURED IN EACH SAID BORE IN SAID FIRST SHAFT, A RING GEAR MOUNTED ADJACENT AN END OF EACH SAID SECOND SHAFT, A WALKING GEAR MOUNTED ON EACH SAID SECOND SHAFT AND ADAPTED TO TRAVERSE ITS RESPECTIVE RING GEAR UPON ROTATION OF SAID FIRST SHAFT, AN IDLER ROLLER, MEANS INCLUDING A DRIVE BOSS MOUNTED ON EACH SAID WALKING GEAR, THE MOTION OF EACH DRIVE BOSS BEING ESSENTIALLY PLANAR, YOKE MEANS ROTATABLY CONNECTED WITH SAID DRIVING ROLLER AND SAID IDLER ROLLER AND ADAPTED TO RECEIVE EACH DRIVE BOSS, WHEREBY THE ESSENTIALLY PLANAR MOTION OF EACH DRIVE BOSS IS TRANSLATED INTO RECIPROCATORY MOTION OF SAID DRIVING ROLLER AND SAID IDLER ROLLER.
References Cited (Backward Citations)
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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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |