US3564868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Universal joint
Assignee: Individual
•
Filing: 1969-10-28
•
Granted: 1971-02-23
•
Expires: 1989-10-28
Abstract
Abstract PART ACTS THROUGH BALL-PARTS THAT ARE EITHER BODILY MOVABLE WITH THE BLOCKS OR HAVE A CONSTANT DISTANCE FROM THE AXIS OF THE PIVOTABLE PART. THIS CONSTANT-VELOCITY UNIVERSAL JOINT CONTAINS AN OUTER MEMBER AND A GENERALLY CUP-SHAPED INNER MEMBER BOTH PROVIDED WITH WAYS AT A CONSTANT DISTANCE FROM THEIR AXES. THE WAYS ARE ENGAGED BY BALLS MAINTAINED IN POSITION BY SLIDING BLOCKS MOVABLE ALONG THE WALLS OF PREFERABLY THE OUTER MEMBER. THE DISPLACEMENT OF SAID BLOCKS IS EFFECTED BY A PART PIVOTABLE WITH RESPECT TO BOTH MEMBERS. THIS
Inventors
- 👤 Ernest Wildhaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:23
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/20; F16D3/22; Y; Y10; Y10S; Y10S464/00; Y10S464/904; Y10S464/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |