US3323844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential gear assembly and locking mechanism
Assignee: American Motors Corp
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Filing: 1965-02-24
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Granted: 1967-06-06
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Gustav V Hedstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:09
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C19/548; F16C25/00; F16C25/06; F16C35/00; F16C35/04; F16C35/06; F16C35/061; F16H; F16H48/00; F16H48/06; F16H48/08; F16C2226/00; F16C2226/50; F16C2226/60; F16C2361/00; F16C2361/61; F16H48/38; F16H48/42; F16H2048/423; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/955; Y10S411/974; Y10S411/984; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T74/00; Y10T74/21; Y10T74/2186; Y10T74/2188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PINION SHAFT AND BEARING ASSEMBLY COMPRISING: (A) A HOUSING HAVING SPACED BEARING SEATS THEREIN; (B) BEARINGS HAVING INNER AND OUTER RACES, THE OUTER RACES BEING MOUNTED IN THE SEATS; (C) A PINION SHAFT EXTENDING THROUGH THE BEARINGS AND ROTATIVELY CARRIED THEREBY, SAID SHAFT HAVING SHOULDERS ENGAGED BY THE INNER RACES OF THE BEARINGS; (D) EXTERNAL THREADS ON THE SHAFT BEYOND ONE OF THE BEARINGS; (E) AN INTERNALLY THREADED NUT ON THE EXTERNAL THREADS OF THE SHAFT AND TIGHTENED SO AS TO ENGAGE AND IMPOSE AXIAL THRUST ON THE INNER RACE OF ONE OF THE BEARINGS, THEREBY ESTABLISHING A PRE-DETERMINED TORQUE LOAD ON THE SHAFT SUPPORTING BEARINGS; (F) A MULTIPLICITY OF LONGITUDINALLY EXTENDING EDGES ON THE NUT AND CIRCUMFERENTIALLY SPACED ABOUT THE CIRCUMFERENCE OF THE NUT, SAID EDGES COLLECTIVELY DEFINING A CIRCUMFERENTIAL PATH; (G) A LOCKING MECHANISM FOR LOCKING THE NUT AGAINST ROTATIVE MOVEMENT RELATIVE TO THE SHAFT, SAID MECHA-
Claim 2
Dependent Claim
150 words
A PINION SHAFT AND BEARING ASSEMBLY COMPRISING: (A) A HOUSING HAVING SPACED BEARING SEATS THEREIN; (B) BEARINGS HAVING INNER AND OUTER RACES, THE OUTER RACES BEING MOUNTED IN THE SEATS; (C) A PINION SHAFT EXTENDING THROUGH THE BEARINGS AND ROTATIVELY CARRIED THEREBY, SAID SHAFT HAVING SHOULDERS ENGAGED BY THE INNER RACES OF THE BEARINGS; (D) EXTERNAL THREADS ON THE SHAFT BEYOND ONE OF THE BEARINGS; (E) AN INTERNALLY THREADED NUT ON THE EXTERNAL THREADS OF THE SHAFT AND TIGHTENED SO AS TO ENGAGE AND IMPOSE AXIAL THRUST ON THE INNER RACE OF ONE OF THE BEARINGS, THEREBY ESTABLISHING A PRE-DETERMINED TORQUE LOAD ON THE SHAFT SUPPORTING BEARINGS; (F) A MULTIPLICITY OF LONGITUDINALLY EXTENDING EDGES ON THE NUT AND CIRCUMFERENTIALLY SPACED ABOUT THE CIRCUMFERENCE OF THE NUT, SAID EDGES COLLECTIVELY DEFINING A CIRCUMFERENTIAL PATH; (G) A LOCKING MECHANISM FOR LOCKING THE NUT AGAINST ROTATIVE MOVEMENT RELATIVE TO THE SHAFT, SAID MECHA-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |