Patent US3257877A successfully refreshed from Google Patents.
US3257877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power wrenches
Assignee: Reed Roller Bit Co
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Filing: 1963-07-29
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Granted: 1966-06-28
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Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 Ulrich Philip
- 👤 Jr Bernhard Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:49
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A POWER OPERATED TOOL COMPRISING A HOUSING HAVING A MOTOR THEREIN, A DRIVING MEMBER POSITIONED WITHIN SAID HOUSING AND CONNECTED TO SAID MOTOR, A DRIVEN MEMBER WITHIN SAID HOUSING, A CLUTCH MEMBER INTERCONNECTING SAID DRIVING AND DRIVEN MEMBERS, A COIL SPRING POSITIONED WITHIN SAID HOUSING AND HAVING ONE END SECURED TO SAID DRIVEN MEMBER, A FIRST ANNULAR MEMBE MOUNTED ON SAID DRIVEN MEMBER AND CONNECTED TO THE OTHER END OF SAID SPRING, A SECOND ANNULAR MEMBER POSITIONED WITHIN SAID HOUSING AND HAVING A SLIDING ENGAGEMENT WITH SAID FIRST ANNULAR MEMBER, MEANS CARRIED BY SAID HOUSING AND ENGAGING SAID SECOND ANNULAR MEMBER TO RESTRAIN SAME AGAINST ROTATIVE MOVEMENT WITH RESPECT TO SAID DRIVEN MEMBER SAID COIL SPRING STORING A NUMBER OF REVOLUTIONS OF ENERGY THEREIN UPON THE INITIAL TURNING OF SAID DRIVEN MEMBER AND THE MOVEMENT OF SAID FIRST ANNULAR MEMBER ALONG SAID DRIVEN MEMBER, A SOCKET MEMBER ROTATABLY MOUNTED IN SAID HOUSING AND HAVING A GAP THEREIN REGISTERING WITH A SLOT IN SAID HOSUING DURING THE INITIAL WORK ENGAGING POSITION OF SAID TOOL, A GEAR TRAIN MOUNTED IN SAID HOUSING AND CONNECTING SAID SOCKET MEMBER WITH SAID DRIVEN MEMBER FOR ROTATING SAID SOCKET MEMBER IN ONE DIRECTION, MEANS CARRIED BY SAID HOUSING FOR SEPARATING SAID DRIVEN MEMBER FROM SAID DRIVING MEMBER FOR ROTATING SAID SOCKET MEMBER IN THE OTHER DIRECTION UNDER THE ACTION OF SAID COIL SPRING, AND MEANS TO CONTROL SAID ROTATION OF SAID SOCKET MEMBER TO BRING SAID GAP INTO REGISTRY WITH SAID SLOT.
Claim 2
Dependent Claim
246 words
A POWER OPERATED TOOL COMPRISING A HOUSING HAVING A MOTOR THEREIN, A DRIVING MEMBER POSITIONED WITHIN SAID HOUSING AND CONNECTED TO SAID MOTOR, A DRIVEN MEMBER WITHIN SAID HOUSING, A CLUTCH MEMBER INTERCONNECTING SAID DRIVING AND DRIVEN MEMBERS, A COIL SPRING POSITIONED WITHIN SAID HOUSING AND HAVING ONE END SECURED TO SAID DRIVEN MEMBER, A FIRST ANNULAR MEMBE MOUNTED ON SAID DRIVEN MEMBER AND CONNECTED TO THE OTHER END OF SAID SPRING, A SECOND ANNULAR MEMBER POSITIONED WITHIN SAID HOUSING AND HAVING A SLIDING ENGAGEMENT WITH SAID FIRST ANNULAR MEMBER, MEANS CARRIED BY SAID HOUSING AND ENGAGING SAID SECOND ANNULAR MEMBER TO RESTRAIN SAME AGAINST ROTATIVE MOVEMENT WITH RESPECT TO SAID DRIVEN MEMBER SAID COIL SPRING STORING A NUMBER OF REVOLUTIONS OF ENERGY THEREIN UPON THE INITIAL TURNING OF SAID DRIVEN MEMBER AND THE MOVEMENT OF SAID FIRST ANNULAR MEMBER ALONG SAID DRIVEN MEMBER, A SOCKET MEMBER ROTATABLY MOUNTED IN SAID HOUSING AND HAVING A GAP THEREIN REGISTERING WITH A SLOT IN SAID HOSUING DURING THE INITIAL WORK ENGAGING POSITION OF SAID TOOL, A GEAR TRAIN MOUNTED IN SAID HOUSING AND CONNECTING SAID SOCKET MEMBER WITH SAID DRIVEN MEMBER FOR ROTATING SAID SOCKET MEMBER IN ONE DIRECTION, MEANS CARRIED BY SAID HOUSING FOR SEPARATING SAID DRIVEN MEMBER FROM SAID DRIVING MEMBER FOR ROTATING SAID SOCKET MEMBER IN THE OTHER DIRECTION UNDER THE ACTION OF SAID COIL SPRING, AND MEANS TO CONTROL SAID ROTATION OF SAID SOCKET MEMBER TO BRING SAID GAP INTO REGISTRY WITH SAID SLOT.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |