US3277743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankshaft with floating crank throws
Assignee: Motors Liquidation Co
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Filing: 1964-04-20
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Granted: 1966-10-11
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel B Kell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:38
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/053; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/222; F04B5/00; F04B5/02; F04B53/00; F04B53/006; F16; F16H; F16H21/00; F16H21/10; F16H21/16; F16H21/18; F16H21/36; F16H21/365; F02B2075/1804; F02B2075/1816; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2174
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A RECIPROCATING MACHINE COMPRISING: A PAIR OF AXIALLY ALIGNED SHAFTS, EACH OF SAID SHAFTS HAVING RADIALLY EXTENDING PORTIONS FORMING A CRANK JOURNAL BORE ON ONE SIDE OF EACH OF SAID SHAFTS; MEANS TO SYNCHRONIZE THE ROTATION OF SAID ALIGNED SHAFTS; A CRANK THROW MEMBER PARALLEL WITH AND CONNECTING SAID PAIR OF AXIALLY ALIGNED SHAFTS AND HAVING CRANK JOURNALS DISPOSED WITHIN SAID CRANK JOURNAL BORES OF SAID AXIALLY ALIGNED SHAFTS, SAID CRANK MEMBER INCLUDING TWO CRANK PIN JOURNALS SPACED FROM EACH OTHER AND FROM SAID CRANK JOURNALS BY CRANK THROWS, SAID CRANK THROWS BEING SIZED SO THAT THE RADIAL SPACING OF SAID TWO CRANK PIN JOURNALS FROM SAID CRANK JOURNALS IS EQUAL TO THE RADIAL SPACING OF SAID CRANK JOURNALS FROM THE AXIS OF SAID PAIR OF AXIALLY ALIGNED SHAFTS; A PAIR OF CONNECTING RODS GUIDED FOR LINEAR RECIPROCATING MOVEMENT IN QUADRATURE TO EACH OTHER WITH RESPECT TO THE SAID SHAFTS, ONE CONNECTING ROD BEING JOURNALED TO EACH SAID CRANK IN JOURNAL; AND SAID CRANK THROWS BEING SPACED AT 180* AROUND THE AXIS OF THE CRANK JOURNALS.
Claim 2
Dependent Claim
176 words
A RECIPROCATING MACHINE COMPRISING: A PAIR OF AXIALLY ALIGNED SHAFTS, EACH OF SAID SHAFTS HAVING RADIALLY EXTENDING PORTIONS FORMING A CRANK JOURNAL BORE ON ONE SIDE OF EACH OF SAID SHAFTS; MEANS TO SYNCHRONIZE THE ROTATION OF SAID ALIGNED SHAFTS; A CRANK THROW MEMBER PARALLEL WITH AND CONNECTING SAID PAIR OF AXIALLY ALIGNED SHAFTS AND HAVING CRANK JOURNALS DISPOSED WITHIN SAID CRANK JOURNAL BORES OF SAID AXIALLY ALIGNED SHAFTS, SAID CRANK MEMBER INCLUDING TWO CRANK PIN JOURNALS SPACED FROM EACH OTHER AND FROM SAID CRANK JOURNALS BY CRANK THROWS, SAID CRANK THROWS BEING SIZED SO THAT THE RADIAL SPACING OF SAID TWO CRANK PIN JOURNALS FROM SAID CRANK JOURNALS IS EQUAL TO THE RADIAL SPACING OF SAID CRANK JOURNALS FROM THE AXIS OF SAID PAIR OF AXIALLY ALIGNED SHAFTS; A PAIR OF CONNECTING RODS GUIDED FOR LINEAR RECIPROCATING MOVEMENT IN QUADRATURE TO EACH OTHER WITH RESPECT TO THE SAID SHAFTS, ONE CONNECTING ROD BEING JOURNALED TO EACH SAID CRANK IN JOURNAL; AND SAID CRANK THROWS BEING SPACED AT 180* AROUND THE AXIS OF THE CRANK JOURNALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |