US3348638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power actuated parking brake
Assignee: Ferro Manufacturing Corp
•
Filing: 1965-08-02
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Granted: 1967-10-24
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Expires: 1985-08-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Littmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:55
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/74; B60T13/746; B60T13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A POWER ACTUATED PARKING BRAKE INCLUDING A ROD MOVABLY AXIALLY, A CABLE CONNECTED TO SAID ROD AND TO A BRAKE OPERABLE TO SET SAID BRAKE WHEN SAID ROD IS MOVED IN ONE DIRECTION AND TO RELEASE SAID BRAKE WHEN SAID ROD IS MOVED IN THE OTHER DIRECTION, A SHAFT EXTENDING TRANSVERSELY OF THE ROD AND HAVING A PINION PORTION THEREON, SAID ROD HAVING A RACK PORTION THEREON ENGAGED WITH THE PINION PORTION OF SAID SHAFT, ELECTRO-MECHANICAL BRAKE SETTING APPARATUS CONNECTED DIRECTLY TO ONE END OF THE SHAFT TO TURN THE SHAFT IN ONE DIRECTION TO SET THE BRAKE AND ENGINE-VACUUM ACTUATED MECHANISM CONNECTED TO THE OTHER END OF THE SHAFT FOR RETAINING THE ROD IN A POSITION
Claim 2
Dependent Claim
117 words
A POWER ACTUATED PARKING BRAKE INCLUDING A ROD MOVABLY AXIALLY, A CABLE CONNECTED TO SAID ROD AND TO A BRAKE OPERABLE TO SET SAID BRAKE WHEN SAID ROD IS MOVED IN ONE DIRECTION AND TO RELEASE SAID BRAKE WHEN SAID ROD IS MOVED IN THE OTHER DIRECTION, A SHAFT EXTENDING TRANSVERSELY OF THE ROD AND HAVING A PINION PORTION THEREON, SAID ROD HAVING A RACK PORTION THEREON ENGAGED WITH THE PINION PORTION OF SAID SHAFT, ELECTRO-MECHANICAL BRAKE SETTING APPARATUS CONNECTED DIRECTLY TO ONE END OF THE SHAFT TO TURN THE SHAFT IN ONE DIRECTION TO SET THE BRAKE AND ENGINE-VACUUM ACTUATED MECHANISM CONNECTED TO THE OTHER END OF THE SHAFT FOR RETAINING THE ROD IN A POSITION
References Cited (Backward Citations)
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Cited
US2251521A
Cited
US2835353A
Cited
US2867310A
Cited
US3000476A
Cited
US3270840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |