US3155197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple vehicle braking apparatus
Assignee: Consolidation Coal Co
•
Filing: 1962-10-24
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Granted: 1964-11-03
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Lee
- 👤 Arthur B Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:19
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AUXILIARY BRAKING APPARATUS FOR A DRIVER CONTROLLED VEHICLE HAVING A PLURALITY OF WHEELS AND A CONVENTIONAL BRAKING SYSTEM FOR THE WHEELS INCLUDING, FIRST CONTROL MEANS TO ACTUATE SAID AUXILIARY BRAKING APPARATUS AND SECOND CONTROL MEANS TO ACTUATE SAID CONVENTIONAL BRAKING SYSTEM, SAID AUXILIARY BRAKING APPARATUS COMPRISING A NORMALLY UNACTUATED KINETIC ABSORPTION MEANS COMPRISING A CONTINUOUS FLUID CIRCUIT, A PUMP IN SAID CIRCUIT ARANGED TO CIRCULATE FLUID AROUND SAID CIRCUIT, SAID PUMP HAVING A DRIVE SHAFT, CONNECTING MEANS BETWEEN SAID PUMP DRIVE SHAFT AND SAID ROTATING SHAFT, FLUID OPERATED DISENGAGING MEANS TO RENDER SAID PUMP INOPERATIVE TO CIRCULATE FLUID THROUGH SAID CIRCUIT WHILE SAID SHAFT IS ROTATING, RESISTANCE MEANS IN SAID CIRCUIT TO INCREASE THE RESISTANCE TO ROTATION OF SAID PUMP DRIVE SHAFT AND THEREBY EXERT A RETARDING FORCE ON SAID ROTATING SHAFT, SAID FIRST CONTROL MEANS OPERABLE TO ENGAGE SAID FLUID OPERATED DISENGAGING MEANS SO THAT SAID PUMP CIRCULATES FLUID THROUGH SAID CIRCUIT AND OPERABLE TO ACTUATE SAID RESISTANCE MEANS TO THEREBY
Claim 2
Dependent Claim
162 words
AUXILIARY BRAKING APPARATUS FOR A DRIVER CONTROLLED VEHICLE HAVING A PLURALITY OF WHEELS AND A CONVENTIONAL BRAKING SYSTEM FOR THE WHEELS INCLUDING, FIRST CONTROL MEANS TO ACTUATE SAID AUXILIARY BRAKING APPARATUS AND SECOND CONTROL MEANS TO ACTUATE SAID CONVENTIONAL BRAKING SYSTEM, SAID AUXILIARY BRAKING APPARATUS COMPRISING A NORMALLY UNACTUATED KINETIC ABSORPTION MEANS COMPRISING A CONTINUOUS FLUID CIRCUIT, A PUMP IN SAID CIRCUIT ARANGED TO CIRCULATE FLUID AROUND SAID CIRCUIT, SAID PUMP HAVING A DRIVE SHAFT, CONNECTING MEANS BETWEEN SAID PUMP DRIVE SHAFT AND SAID ROTATING SHAFT, FLUID OPERATED DISENGAGING MEANS TO RENDER SAID PUMP INOPERATIVE TO CIRCULATE FLUID THROUGH SAID CIRCUIT WHILE SAID SHAFT IS ROTATING, RESISTANCE MEANS IN SAID CIRCUIT TO INCREASE THE RESISTANCE TO ROTATION OF SAID PUMP DRIVE SHAFT AND THEREBY EXERT A RETARDING FORCE ON SAID ROTATING SHAFT, SAID FIRST CONTROL MEANS OPERABLE TO ENGAGE SAID FLUID OPERATED DISENGAGING MEANS SO THAT SAID PUMP CIRCULATES FLUID THROUGH SAID CIRCUIT AND OPERABLE TO ACTUATE SAID RESISTANCE MEANS TO THEREBY
References Cited (Backward Citations)
US1348604A
Cited
US1735529A
Cited
US1694020A
Cited
US1756904A
Cited
US1987273A
Cited
US2047587A
Cited
US2241189A
Cited
US2413162A
Cited
US2782878A
Cited
US2786553A
Cited
US2842231A
Cited
US2933158A
Cited
US2963117A
Cited
US3018979A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |