US3321054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission lock
Assignee: Caterpillar Inc
•
Filing: 1965-02-03
•
Granted: 1967-05-23
•
Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Howard L Johnson
- 👤 Frank H Winters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:22
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; B; B60; B60W; B60W10/00; B60W10/10; B60W10/18; F16D; F16D25/00; F16D25/08; F16D25/082; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0272; F16H2712/00; F16H2712/04; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FORWARD REVERSE TRANSMISSION COMPRISING AN OUTPUT SHAFT, TWO GEARS COAXIAL WITH AND ROTATABLE IN OPPOSITE DIRECTIONS RELATIVE TO THE OUTPUT SHAFT, MEANS TO ROTATE THE GEARS, A CLUTCH FACE ON EACH GEAR, AN OPPOSED CLUTCH FACE ELEMENT SLIDABLE ON THE SHAFT AND SPLINED THERETO BETWEEN THE GEARS FOR COOPERATION WITH THE CLUTCH FACES ON THE GEARS TO DRIVE THE SHAFT, A NONROTATABLE CYLINDER SURROUNDING THE SHAFT, A PISTON IN THE CYLINDER FOR ENGAGING EACH OF THE CLUTCH FACE ELEMENTS TO EFFECT CLUTCH ENGAGEMENT, AND MEANS TO DIRECT FLUID UNDER PRESSURE SELECTIVELY TO SAID PISTONS.
Claim 2
Dependent Claim
95 words
A FORWARD REVERSE TRANSMISSION COMPRISING AN OUTPUT SHAFT, TWO GEARS COAXIAL WITH AND ROTATABLE IN OPPOSITE DIRECTIONS RELATIVE TO THE OUTPUT SHAFT, MEANS TO ROTATE THE GEARS, A CLUTCH FACE ON EACH GEAR, AN OPPOSED CLUTCH FACE ELEMENT SLIDABLE ON THE SHAFT AND SPLINED THERETO BETWEEN THE GEARS FOR COOPERATION WITH THE CLUTCH FACES ON THE GEARS TO DRIVE THE SHAFT, A NONROTATABLE CYLINDER SURROUNDING THE SHAFT, A PISTON IN THE CYLINDER FOR ENGAGING EACH OF THE CLUTCH FACE ELEMENTS TO EFFECT CLUTCH ENGAGEMENT, AND MEANS TO DIRECT FLUID UNDER PRESSURE SELECTIVELY TO SAID PISTONS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |