US3340747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft assembly
Assignee: ZF Friedrichshafen AG
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Filing: 1965-03-24
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Granted: 1967-09-12
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Waker Claus
- 👤 Schultz Helbring
- 👤 Fend Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:59
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/06; F16C3/10; F16C3/12; F16C9/00; F16C9/02; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2177
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A CRANKSHAFT ASSEMBLY COMPRISING, IN COMBINATION: (A) A CRANK CHEEK FORMED WITH A RECESS HAVING AN AXIS; (B) A TUBULAR PROJECTION COAXIALLY FIXED ON SAID CHEEK, SAID PROJECTION DEFINING AN INNER CAVITY ABOUT SAID AXIS AND HAVING AN OUTER FACE; (C) BEARING MEANS FIXEDLY AND COAXIALLY FASTENED ON SAID OUTER FACE FOR ROTATABLY SECURING SAID CHEEK TO A CRANKCASE; (D) A DRIVEN SHAFT MEMBER HAVING AN AXIALLY TERMINAL PORTION PARTLY RECEIVED IN SAID CAVITY AND PARTLY RECEIVED IN SAID RECESS, CROSS SECTION OF SAID TERMINAL PORTION BEING NOT GREATER THAN THE CROSS SECTION OF SAID CAVITY, AND THE REMAINDER OF SAID SHAFT MEMBER EXTENDING OUTWARD OF SAID CAVITY IN A DIRECTION AWAY FROM SAID CRANK CHEEK; (1) THE PART OF SAID SHAFT MEMBER RECEIVED IN SAID RECESS BEING FASTENED TO SAID CHEEK IN LOCKING ENGAGEMENT WITH THE SAME; AND (2) THE PART OF SAID SHAFT MEMBER RECEIVED IN SAID CAVITY BEING DIMENSIONED FOR FREE SLIDING MOVEMENT IN THE CAVITY; AND (E) A CRANK PIN ON SAID CHEEK; SAID PIN HAVING AN AXIS RADIALLY OFFSET FROM THE AXIS OF SAID OPENING.
Claim 2
Dependent Claim
180 words
A CRANKSHAFT ASSEMBLY COMPRISING, IN COMBINATION: (A) A CRANK CHEEK FORMED WITH A RECESS HAVING AN AXIS; (B) A TUBULAR PROJECTION COAXIALLY FIXED ON SAID CHEEK, SAID PROJECTION DEFINING AN INNER CAVITY ABOUT SAID AXIS AND HAVING AN OUTER FACE; (C) BEARING MEANS FIXEDLY AND COAXIALLY FASTENED ON SAID OUTER FACE FOR ROTATABLY SECURING SAID CHEEK TO A CRANKCASE; (D) A DRIVEN SHAFT MEMBER HAVING AN AXIALLY TERMINAL PORTION PARTLY RECEIVED IN SAID CAVITY AND PARTLY RECEIVED IN SAID RECESS, CROSS SECTION OF SAID TERMINAL PORTION BEING NOT GREATER THAN THE CROSS SECTION OF SAID CAVITY, AND THE REMAINDER OF SAID SHAFT MEMBER EXTENDING OUTWARD OF SAID CAVITY IN A DIRECTION AWAY FROM SAID CRANK CHEEK; (1) THE PART OF SAID SHAFT MEMBER RECEIVED IN SAID RECESS BEING FASTENED TO SAID CHEEK IN LOCKING ENGAGEMENT WITH THE SAME; AND (2) THE PART OF SAID SHAFT MEMBER RECEIVED IN SAID CAVITY BEING DIMENSIONED FOR FREE SLIDING MOVEMENT IN THE CAVITY; AND (E) A CRANK PIN ON SAID CHEEK; SAID PIN HAVING AN AXIS RADIALLY OFFSET FROM THE AXIS OF SAID OPENING.
References Cited (Backward Citations)
US2606541A
Cited
US2630881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |