Patent US3208168A successfully refreshed from Google Patents.
US3208168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universally cushioned dual drive mechanism
Assignee: HENSCHEN IND CORP
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Filing: 1963-01-14
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Granted: 1965-09-28
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Curtis W Henschen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:07
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/56; F16D3/58; E; E02; E02F; E02F3/00; E02F3/04; E02F3/18; E02F3/188; E02F3/20; E02F3/22; E02F3/24; E02F3/246; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/4987; Y10T29/49872; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DUAL DRIVE MECHANISM AND DITCHING WHEEL ASSEMBLY COMPRISING A FRAME, A POWER INPUT SHAFT JOURNALED ADJACENT ITS OPPOSITE ENDS IN SUPPORT BEARINGS CARRIED BY SAID FRAME, A PAIR OF AXIALLY ALIGNED SLEEVES COAXIALLY MOUNTED ON SAID SHAFT AND SURROUNDING THE SAME FOR INDEPENDENT ROTATION RELATIVE TO THE SHAFT ABOUT THEIR COMMON AXIS, SEPARATE RESILEENT CUSHIONING MEANS RESPECTIVELY INTERPOSED AND ACTING BETWEEN THE SHAFT AND THE TWO SLEEVES FOR INDEPENDENTLY AND RESILIENTLY RESTRAINING ROTATION OF THE SLEEVES RELATIVE TO THE SHAFT AND INDEPENDENTLY AND RESILIENTLY MAINTAINING CONCENTRICITY OF THE SLEEVES AND THE SHAFT, A PAIR OF TORQUE TRANSMITTING DRIVES RESPECTIVELY CONNECTED TO SAID SLEEVES, A DITCHING WHEEL HAVING SPACED PERPHERAL SCOOPS AND BEING MOUNTED ON SAID FRAME BETWEEN SAID TORQUE TRANSMITTING DRIVES FOR ROTATION ABOUT AN AXIS PARALLEL TO SAID COMMON AXIS, AND MEANS CONNECTING SAID TORQUE TRANSMITTING DRIVES, RESPECTIVELY, IN DRIVING RELATIONSHIP WITH SAID DITCHING WHEEL AT OPPOSITE SIDES THEREOF.
Claim 2
Dependent Claim
151 words
A DUAL DRIVE MECHANISM AND DITCHING WHEEL ASSEMBLY COMPRISING A FRAME, A POWER INPUT SHAFT JOURNALED ADJACENT ITS OPPOSITE ENDS IN SUPPORT BEARINGS CARRIED BY SAID FRAME, A PAIR OF AXIALLY ALIGNED SLEEVES COAXIALLY MOUNTED ON SAID SHAFT AND SURROUNDING THE SAME FOR INDEPENDENT ROTATION RELATIVE TO THE SHAFT ABOUT THEIR COMMON AXIS, SEPARATE RESILEENT CUSHIONING MEANS RESPECTIVELY INTERPOSED AND ACTING BETWEEN THE SHAFT AND THE TWO SLEEVES FOR INDEPENDENTLY AND RESILIENTLY RESTRAINING ROTATION OF THE SLEEVES RELATIVE TO THE SHAFT AND INDEPENDENTLY AND RESILIENTLY MAINTAINING CONCENTRICITY OF THE SLEEVES AND THE SHAFT, A PAIR OF TORQUE TRANSMITTING DRIVES RESPECTIVELY CONNECTED TO SAID SLEEVES, A DITCHING WHEEL HAVING SPACED PERPHERAL SCOOPS AND BEING MOUNTED ON SAID FRAME BETWEEN SAID TORQUE TRANSMITTING DRIVES FOR ROTATION ABOUT AN AXIS PARALLEL TO SAID COMMON AXIS, AND MEANS CONNECTING SAID TORQUE TRANSMITTING DRIVES, RESPECTIVELY, IN DRIVING RELATIONSHIP WITH SAID DITCHING WHEEL AT OPPOSITE SIDES THEREOF.
References Cited (Backward Citations)
US496330A
Cited
US1070589A
Cited
GB191126165A
Cited
US1225355A
Cited
GB585399A
Cited
US2423132A
Cited
US2576281A
Cited
US2712742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |