Patent US3331452A successfully refreshed from Google Patents.
US3331452A
Expired / Lapsed
US
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Torque wrench
Assignee: Robert Bosch GmbH
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Filing: 1964-09-21
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Granted: 1967-07-18
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Expires: 1984-09-21
Abstract
No abstract record available.
Inventors
- 👤 Wanner Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:10
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/147; B25B23/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A POWER TOOL, A ROTARY SHAFT; MOTOR MEANS FOR DRIVING SAID SHAFT; A ROTARY TORQUE-TRANSMITTING MEMBER ARRANGED TO OFFER VARIABLE RESISTANCE AGAINST ROTAION WITH SAID SHAFT; MEANS FOR DRIVINGLY CONNECTING SAID SHAFT WITH SAID TORQUE-TRANSMITTING MEMBER INCLUDING A ROTARY ELEMENT MOVABLE IN RESPONSE TO INCREASING RESISTANCE OFFERED BY SAID TORQUE-TRANSMITTING MEMBER AGAINST ROTATION WITH SAID SHAFT, MEANS FOR DRIVINGLY CONNECTING SAID MAIN SHAFT WITH SAID ELEMENT AND MEANS FOR DRIVINGLY CONNECTING SAID TORQUE TRANSMITTING MEMBER WITH SAID ROTARY ELEMENT REGARDLESS OF ANY MOVEMENT OF LATTER IN RESPONSE TO INCREASING RESISTANCE OFFERED BY SAID TORQUE TRANSMITTING MEMBER AGAINST ROTATION; AND BLOCKING MEANS FOR HOLDING SAID ELEMENT AGAINST ROTATION IN RESPONSE TO A PREDETERMINED MOVEMENT OF SAID ELEMENT SUCH AS CORRESPONDS TO A PREDETERMINED RESISTANCE OFFERED BY SAID TORQUE-TRANSMITTING MEMBER AGAINST FURTHER ROTATION WITH SAID SHAFT.
Claim 2
Dependent Claim
135 words
IN A POWER TOOL, A ROTARY SHAFT; MOTOR MEANS FOR DRIVING SAID SHAFT; A ROTARY TORQUE-TRANSMITTING MEMBER ARRANGED TO OFFER VARIABLE RESISTANCE AGAINST ROTAION WITH SAID SHAFT; MEANS FOR DRIVINGLY CONNECTING SAID SHAFT WITH SAID TORQUE-TRANSMITTING MEMBER INCLUDING A ROTARY ELEMENT MOVABLE IN RESPONSE TO INCREASING RESISTANCE OFFERED BY SAID TORQUE-TRANSMITTING MEMBER AGAINST ROTATION WITH SAID SHAFT, MEANS FOR DRIVINGLY CONNECTING SAID MAIN SHAFT WITH SAID ELEMENT AND MEANS FOR DRIVINGLY CONNECTING SAID TORQUE TRANSMITTING MEMBER WITH SAID ROTARY ELEMENT REGARDLESS OF ANY MOVEMENT OF LATTER IN RESPONSE TO INCREASING RESISTANCE OFFERED BY SAID TORQUE TRANSMITTING MEMBER AGAINST ROTATION; AND BLOCKING MEANS FOR HOLDING SAID ELEMENT AGAINST ROTATION IN RESPONSE TO A PREDETERMINED MOVEMENT OF SAID ELEMENT SUCH AS CORRESPONDS TO A PREDETERMINED RESISTANCE OFFERED BY SAID TORQUE-TRANSMITTING MEMBER AGAINST FURTHER ROTATION WITH SAID SHAFT.
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US2814277A
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US2973067A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |