US3233428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shaft coupling
Assignee: Parker Hannifin Corp
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Filing: 1963-03-01
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Granted: 1966-02-08
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Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward S Chalpin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A FLEXIBLE SHAFT COUPLING FOR COMMUNICATING ROTATIONAL MOTION FROM A DRIVING SHAFT TO A DRIVEN SHAFT, SAID COUPLING COMPRISING (A) A FIRST BELLOWS SUPPORTING MEANS INCLUDING A FIRST AXIALLY EXTENDING HUB FOR SECURING TO SAID DRIVING SHAFT, (B) A SECOND BELLOWS SUPPORTING MEANS INCLUDING A SECOND AXIALLY EXTENDING HUB FOR SECURING TO SAID DRIVEN SHAFT, (C) A FIRST BELLOWS SECURED TO SAID FIRST BELLOWS SUPPORTING MEANS, (D) A SECOND BELLOWS SECURED TO SAID SECOND BELLOWS SUPPORTING MEANS, (E) TUBULAR MEMBER HAVING AN AXIS OF ROTATION, (F) SAID FIRST AND SECOND BELLOWS BEING SECURED TO SAID TUBULAR MEMBER AND EXTENDING AXIALLY OUTWARDLY THEREFROM, (G) SAID TUBULAR MEMBER HAVING A RADIAL DIMENSION WHICH IS AT LEAST AS GREAT AS THE LARGEST RADIAL DIMENSION OF SAID FIRST AND SECOND BELLOWS, (H) THE ENDS OF SAID TUBULAR MEMBER AND THE OUTER ENDS OF THE AXIALLY EXTENDING SURFACES OF SAID HUBS DEFINING IMAGINARY STRAIGHT LINES THEREBETWEEN ALL AROUND THE PERIMETER OF SAID COUPLING, AND (I) THE DIAMETER OF SAID FIRST AND SECOND BELLOWS BEING SUCH THAT SAID BELLOWS DO NOT EXTEND RADIALLY OUT BEYOND SAID IMAGINARY LINES.
Claim 2
Dependent Claim
182 words
A FLEXIBLE SHAFT COUPLING FOR COMMUNICATING ROTATIONAL MOTION FROM A DRIVING SHAFT TO A DRIVEN SHAFT, SAID COUPLING COMPRISING (A) A FIRST BELLOWS SUPPORTING MEANS INCLUDING A FIRST AXIALLY EXTENDING HUB FOR SECURING TO SAID DRIVING SHAFT, (B) A SECOND BELLOWS SUPPORTING MEANS INCLUDING A SECOND AXIALLY EXTENDING HUB FOR SECURING TO SAID DRIVEN SHAFT, (C) A FIRST BELLOWS SECURED TO SAID FIRST BELLOWS SUPPORTING MEANS, (D) A SECOND BELLOWS SECURED TO SAID SECOND BELLOWS SUPPORTING MEANS, (E) TUBULAR MEMBER HAVING AN AXIS OF ROTATION, (F) SAID FIRST AND SECOND BELLOWS BEING SECURED TO SAID TUBULAR MEMBER AND EXTENDING AXIALLY OUTWARDLY THEREFROM, (G) SAID TUBULAR MEMBER HAVING A RADIAL DIMENSION WHICH IS AT LEAST AS GREAT AS THE LARGEST RADIAL DIMENSION OF SAID FIRST AND SECOND BELLOWS, (H) THE ENDS OF SAID TUBULAR MEMBER AND THE OUTER ENDS OF THE AXIALLY EXTENDING SURFACES OF SAID HUBS DEFINING IMAGINARY STRAIGHT LINES THEREBETWEEN ALL AROUND THE PERIMETER OF SAID COUPLING, AND (I) THE DIAMETER OF SAID FIRST AND SECOND BELLOWS BEING SUCH THAT SAID BELLOWS DO NOT EXTEND RADIALLY OUT BEYOND SAID IMAGINARY LINES.
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |