Patent US3566707A successfully refreshed from Google Patents.
US3566707A
Expired / Lapsed
US
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Marine gear
Assignee: Caterpillar Inc
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Filing: 1968-12-12
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Granted: 1971-03-02
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Expires: 1988-12-12
Abstract
Abstract A MARINE GEAR HAVING A CLUTCH ACTUATING PISTON-ACTUATOR WHICH IS FREE TO ROTATE WITHIN THE HOUSING UNTIL COMPLETE ENGAGEMENT IS ACHIEVED AT WHICH TIME THE HOUSING, PISTON, AND ENGAGED CLUTCH ALL ROTATES AS A UNIT. THE VARIOUS SHAFT BEARING SUPPORT MEMBERS ARE SECURED TO THE HOUSING OF THE MARINE GEAR SO THAT THE SHAFTS MAY BE EASILY REMOVED WITH THE GEARS CONTAINED THEREON TO CONVERT THE MARINE GEAR FROM ONE REDUCTION RATIO TO ANOTHER, AS WELL AS TO CONVERT THE CLUTCH PACKS TO VARIOUS TORQUE REQUIREMENTS. A CLUTCH DUMP VALVE IS CONTAINED IN A SEPARATE HOUSING WHICH IS BOLTED TO THE CLUTCH HOUSING.
Inventors
- 👤 Gunter W Schulz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:41
CPC Classifications
F; F16; F16H; F16H3/00; F16D; F16D21/00; F16D21/02; F16D21/06; F16D25/00; F16D25/10; F16H2712/00; F16H2712/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |