US3353636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single lever primary and secondary vehicle brake actuating arrangement
Assignee: Motors Liquidation Co
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Filing: 1966-09-15
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Granted: 1967-11-21
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Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 Jack B Ridenour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:10
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/04; B60T7/045; B60T7/047; Y; Y10; Y10S; Y10S188/00; Y10S188/02; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20672; Y10T74/20684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A SINGLE LEVER HYDRAULIC PRIMARY BRAKE AND MECHANICAL SECONDARY BRAKE ARRANGEMENT FOR A VEHICLE, COMPRISING: A VEHICLE BRAKE HAVING HYDRAULIC BRAKE OPERATING MEANS AND MECHANICAL BRAKE OPERATING MEANS, A HYDRAULIC MASTER CYLINDER CONNECTED TO SAID HYDRAULIC BRAKE OPERATING MEANS TO HYDRAULICALLY OPERATE SAID BRAKE, MECHANICAL LINKAGE INCLUDING A TOOTHED RATCHET CONNECTED TO SAID MECHANICAL BRAKE OPERATING MEANS AND MOVABLE TO MECHANICALLY OPERATE SAID BRAKE, A SINGLE BRAKE LEVER PIVOTALLY MOVABLE AND CONNECTED TO ACTUATE SAID MASTER CYLINDER WHEN PIVOTED IN ONE DIRECTION, AND A RATCHET TOOTH-ENGAGING PAWL ON SAID BRAKE LEVER NORMALLY ENGAGING SAID TOOTHED RATCHET AND HAVING A POWER SERVO MOVING SAID PAWL OUT OF RATCHET ENGAGEMENT UPON GENERATION OF A PREDETERMINED MINIMUM MASTER CYLINDER PRESSURE, SAID PAWL ENGAGING SAID RATCHET WHENEVER THE MASTER CYLINDER PRESSURE IS BELOW SAID PREDETERMINED MINIMUM AND MOVED BY SAID BRAKE LEVER TO MECHANICALLY OPERATE SAID BRAKE UPON MOVEMENT OF SAID BRAKE LEVER IN THE BRAKE APPLYING DIRECTION.
Claim 2
Dependent Claim
154 words
A SINGLE LEVER HYDRAULIC PRIMARY BRAKE AND MECHANICAL SECONDARY BRAKE ARRANGEMENT FOR A VEHICLE, COMPRISING: A VEHICLE BRAKE HAVING HYDRAULIC BRAKE OPERATING MEANS AND MECHANICAL BRAKE OPERATING MEANS, A HYDRAULIC MASTER CYLINDER CONNECTED TO SAID HYDRAULIC BRAKE OPERATING MEANS TO HYDRAULICALLY OPERATE SAID BRAKE, MECHANICAL LINKAGE INCLUDING A TOOTHED RATCHET CONNECTED TO SAID MECHANICAL BRAKE OPERATING MEANS AND MOVABLE TO MECHANICALLY OPERATE SAID BRAKE, A SINGLE BRAKE LEVER PIVOTALLY MOVABLE AND CONNECTED TO ACTUATE SAID MASTER CYLINDER WHEN PIVOTED IN ONE DIRECTION, AND A RATCHET TOOTH-ENGAGING PAWL ON SAID BRAKE LEVER NORMALLY ENGAGING SAID TOOTHED RATCHET AND HAVING A POWER SERVO MOVING SAID PAWL OUT OF RATCHET ENGAGEMENT UPON GENERATION OF A PREDETERMINED MINIMUM MASTER CYLINDER PRESSURE, SAID PAWL ENGAGING SAID RATCHET WHENEVER THE MASTER CYLINDER PRESSURE IS BELOW SAID PREDETERMINED MINIMUM AND MOVED BY SAID BRAKE LEVER TO MECHANICALLY OPERATE SAID BRAKE UPON MOVEMENT OF SAID BRAKE LEVER IN THE BRAKE APPLYING DIRECTION.
References Cited (Backward Citations)
US3025713A
Cited
US3242760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |