US3258999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Backlash adapter
Assignee: RTX Corp
•
Filing: 1965-01-19
•
Granted: 1966-07-05
•
Expires: 1985-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Scheithauer
- 👤 Edward R Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
B; B64; B64D; B64D27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
FOR A WRENCH ADAPTED TO TIGHTEN OR LOOSEN A NUT OR BOLT OR THE LIKE OF THE TYPE HAVING A GEAR TRAIN, MECHANISM HAVING AN ELONGATED SHAFT CARRYING MEANS FOR CONNECTING WITH THE NUT OR THE LIKE INTENDED TO BE TIGHTENED OR LOOSENED, AND BEING DRIVEN BY THE GEAR TRAIN, AND MECHANICAL DRIVING MEANS INCLUDING A GEAR CONNECTED TO THE GEAR TRAIN FOR IMPOSING TORQUE TO THE ELEMENT INTENDED TO BE TIGHTENED, THE IMPROVEMENT COMPRISING MEANS FOR ELIMINATING BACKLASH ATTENDANT THE ROTATION OF THE ELONGATED SHAFT, AND MEANS INCLUDING A HOUSING, A ROTATABLE MEMBER ROTATABLY SUPPORTED IN SAID HOUSING, RATCHET MECHANISM CONNECTED TO SAID ROTATABLE MEMBER AND ADAPTED TO ALLOW THE ROTATABLE MEMBER TO ROTATE IN ONE DIRECTION, SAID ROTATABLE MEMBER HAVING A DRIVING SURFACE A ROTATABLE DRIVEN MEMBER ENGAGEABLE WITH SAID ROTATABLE MEMBER AND ADAPTED TO DRIVE THE SAME, SAID ROTATABLE DRIVEN MEMBER HAVING A DRIVEN SURFACE FRICTIONALLY ENGAGEABLE WITH SAID DRIVING SURFACE, AND MEANS TO DISENGAGE SAID SURFACE SO AS TO ALLOW SAID ROTATABLE DRIVEN MEMBER TO ROTATE INDEPENDENTLY OF SAID ROTATABLE MEMBER.
Claim 2
Dependent Claim
175 words
FOR A WRENCH ADAPTED TO TIGHTEN OR LOOSEN A NUT OR BOLT OR THE LIKE OF THE TYPE HAVING A GEAR TRAIN, MECHANISM HAVING AN ELONGATED SHAFT CARRYING MEANS FOR CONNECTING WITH THE NUT OR THE LIKE INTENDED TO BE TIGHTENED OR LOOSENED, AND BEING DRIVEN BY THE GEAR TRAIN, AND MECHANICAL DRIVING MEANS INCLUDING A GEAR CONNECTED TO THE GEAR TRAIN FOR IMPOSING TORQUE TO THE ELEMENT INTENDED TO BE TIGHTENED, THE IMPROVEMENT COMPRISING MEANS FOR ELIMINATING BACKLASH ATTENDANT THE ROTATION OF THE ELONGATED SHAFT, AND MEANS INCLUDING A HOUSING, A ROTATABLE MEMBER ROTATABLY SUPPORTED IN SAID HOUSING, RATCHET MECHANISM CONNECTED TO SAID ROTATABLE MEMBER AND ADAPTED TO ALLOW THE ROTATABLE MEMBER TO ROTATE IN ONE DIRECTION, SAID ROTATABLE MEMBER HAVING A DRIVING SURFACE A ROTATABLE DRIVEN MEMBER ENGAGEABLE WITH SAID ROTATABLE MEMBER AND ADAPTED TO DRIVE THE SAME, SAID ROTATABLE DRIVEN MEMBER HAVING A DRIVEN SURFACE FRICTIONALLY ENGAGEABLE WITH SAID DRIVING SURFACE, AND MEANS TO DISENGAGE SAID SURFACE SO AS TO ALLOW SAID ROTATABLE DRIVEN MEMBER TO ROTATE INDEPENDENTLY OF SAID ROTATABLE MEMBER.
References Cited (Backward Citations)
US2863347A
Cited
US3133462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |