Patent US3357522A successfully refreshed from Google Patents.
US3357522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parking brake mechanism for disk brakes
Assignee: Motors Liquidation Co
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Filing: 1965-10-01
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Granted: 1967-12-12
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Bradley
- 👤 Lowell F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:40
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D2121/00; F16D2121/14; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
HAND BRAKE ACTUATING MECHANISM FOR DISK BRAKES, SAID ACTUATING MECHANISM COMPRISING: A HOUSING FORMED AS A PORTION OF A CALIPER TYPE DISC BRAKE, A DISC SITUATED IN JUXTAPOSITION TO SAID HOUSING; SLEEVE MEANS ROTATABLE IN SAID HOUSING; THREADED DRIVE MEANS THREADINGLY ENGAGING SAID SLEEVE MEANS AND AXIALLY MOVABLE IN SAID SLEEVE MEANS, SAID DRIVE MEANS INCLUDING AN ELEMENT ENGAGING A FRICTION PAD; BIASING MEANS CARRIED WITHIN SAID SLEEVE MEANS URGING SAID DRIVE MEANS TOWARD AN EXTREME OF AXIAL MOVEMENT IN SAID SLEEVE MEANS; AND LEVER MEANS CARRIED FOR ROTATION WITH SAID SLEEVE MEANS FOR DRIVING SAID SLEEVE MEANS ROTATIONALLY IN OPPOSITION TO THE THREADS OF SAID DRIVE MEANS TO CAUSE AXIAL MOVEMENT THEREOF TOWARD THE DISK.
Claim 2
Dependent Claim
116 words
HAND BRAKE ACTUATING MECHANISM FOR DISK BRAKES, SAID ACTUATING MECHANISM COMPRISING: A HOUSING FORMED AS A PORTION OF A CALIPER TYPE DISC BRAKE, A DISC SITUATED IN JUXTAPOSITION TO SAID HOUSING; SLEEVE MEANS ROTATABLE IN SAID HOUSING; THREADED DRIVE MEANS THREADINGLY ENGAGING SAID SLEEVE MEANS AND AXIALLY MOVABLE IN SAID SLEEVE MEANS, SAID DRIVE MEANS INCLUDING AN ELEMENT ENGAGING A FRICTION PAD; BIASING MEANS CARRIED WITHIN SAID SLEEVE MEANS URGING SAID DRIVE MEANS TOWARD AN EXTREME OF AXIAL MOVEMENT IN SAID SLEEVE MEANS; AND LEVER MEANS CARRIED FOR ROTATION WITH SAID SLEEVE MEANS FOR DRIVING SAID SLEEVE MEANS ROTATIONALLY IN OPPOSITION TO THE THREADS OF SAID DRIVE MEANS TO CAUSE AXIAL MOVEMENT THEREOF TOWARD THE DISK.
References Cited (Backward Citations)
US2196799A
Cited
US2612968A
Cited
US2835350A
Cited
US3095949A
Cited
US3046055A
Cited
US3114436A
Cited
US3024873A
Cited
US3155194A
Cited
US3091311A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |