US3143867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-backlash slip joint
Assignee: ANDERSON
•
Filing: 1960-06-15
•
Granted: 1964-08-11
•
Expires: 1980-06-15
Abstract
No abstract record available.
Inventors
- 👤 Edmuind B Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:21
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/065; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19623
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A SLIP JOINT COMPRISING A SHAFT MEMBER, A SLEEVE MEMBER EXTENDING AROUND SAID SHAFT MEMBER HAVING AT LEAST ONE LONGITUDINALLY EXTENDING GROOVE THEREIN DEFINING SPACED APART SPLINES, SAID SLEEVE MEMBER INCLUDING FIRST AND SECOND AXIALLY ALIGNED SECTIONS, FIRST AND SECOND KEY MEANS ON SAID FIRST AND SECOND SECTIONS EXTENDING INTO SAID GROOVE, AND MEANS FOR ANGULARLY ADJUSTING SAID SLEEVE SECTIONS RELATIVE TO EACH OTHER WHEREBY SAID FIRST AND SECOND KEY MEANS ENGAGE THE SPLINES AT RELATIVELY OPPOSITE SIDES OF THE GROOVE TO REDUCE BACKLASH BETWEEN SAID MEMBERS, SAID ADJUSTING MEANS INCLUDING FLANGE MEANS ON THE ADJACENT ENDS OF SAID SLEEVE SECTIONS, FASTENERS EXTENDING THROUGH SAID FLANGE MEANS FOR NON-ROTATABLY SECURING THE SECTIONS TOGETHER, AND MEANS ON SAID FLANGE MEANS FOR TURNING ONE FLANGE RELATIVE TO THE OTHER.
Claim 2
Dependent Claim
127 words
A SLIP JOINT COMPRISING A SHAFT MEMBER, A SLEEVE MEMBER EXTENDING AROUND SAID SHAFT MEMBER HAVING AT LEAST ONE LONGITUDINALLY EXTENDING GROOVE THEREIN DEFINING SPACED APART SPLINES, SAID SLEEVE MEMBER INCLUDING FIRST AND SECOND AXIALLY ALIGNED SECTIONS, FIRST AND SECOND KEY MEANS ON SAID FIRST AND SECOND SECTIONS EXTENDING INTO SAID GROOVE, AND MEANS FOR ANGULARLY ADJUSTING SAID SLEEVE SECTIONS RELATIVE TO EACH OTHER WHEREBY SAID FIRST AND SECOND KEY MEANS ENGAGE THE SPLINES AT RELATIVELY OPPOSITE SIDES OF THE GROOVE TO REDUCE BACKLASH BETWEEN SAID MEMBERS, SAID ADJUSTING MEANS INCLUDING FLANGE MEANS ON THE ADJACENT ENDS OF SAID SLEEVE SECTIONS, FASTENERS EXTENDING THROUGH SAID FLANGE MEANS FOR NON-ROTATABLY SECURING THE SECTIONS TOGETHER, AND MEANS ON SAID FLANGE MEANS FOR TURNING ONE FLANGE RELATIVE TO THE OTHER.
References Cited (Backward Citations)
US2905008A
Cited
US2908152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |