US3195655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling the degree of tightness of bolts or nuts driven by an impact wrench
Assignee: Atlas Copco AB
•
Filing: 1960-12-02
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Granted: 1965-07-20
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Karden Karl Gosta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:25
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1456; B25B23/1453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD FOR CONTROLLING THE DEGREE OF TIGHTNESS OF A SERIES OF BOLTS OR NUTS DRIVEN BY THE AID OF A PRESSURE FLUID OPERATED IMPACT WRENCH HAVING A THROTTLE VALVE CONNECTED TO A FLUID SUPPLY, COMPRISING APPLYING THE IMPACT WRENCH IN TURN OVE EACH BOLT OR NUT TO BE DRIVEN, SUPPLYING PRESSURE FLUID TO OPERATE THE IMPACT WRENCH WHEN IN ENGAGEMENT WITH EACH BOLT OR NUT IN RESPONSE TO ACTUATION OF THE THROTTLE VALVE, STORING A PREDETERMINED QUANTITY OF PRESSURE FLUID FROM SAID FLUID SUPPLY, DISPENDING SAID PREDETERMINED QUANTITY OF PRESSURE FLUID TO THE IMPACT WRENCH UPON ACTUATION OF SAID THROTTLE VALVE, AND AUTOMATICALLY INTERRUPTING THE WRENCH OPERATING FLUID SUPPLY TO THE IMPACT WRENCH UPON HAVING DELIVERED SAID PREDETERMINED QUANTITY FOR THE DRIVING OF EACH BOLT OR NUT.
Claim 2
Independent Claim
128 words
A METHOD FOR CONTROLLING THE DEGREE OF TIGHTNESS OF A SERIES OF BOLTS OR NUTS DRIVEN BY THE AID OF A PRESSURE FLUID OPERATED IMPACT WRENCH HAVING A THROTTLE VALVE CONNECTED TO A FLUID SUPPLY, COMPRISING APPLYING THE IMPACT WRENCH IN TURN OVE EACH BOLT OR NUT TO BE DRIVEN, SUPPLYING PRESSURE FLUID TO OPERATE THE IMPACT WRENCH WHEN IN ENGAGEMENT WITH EACH BOLT OR NUT IN RESPONSE TO ACTUATION OF THE THROTTLE VALVE, STORING A PREDETERMINED QUANTITY OF PRESSURE FLUID FROM SAID FLUID SUPPLY, DISPENDING SAID PREDETERMINED QUANTITY OF PRESSURE FLUID TO THE IMPACT WRENCH UPON ACTUATION OF SAID THROTTLE VALVE, AND AUTOMATICALLY INTERRUPTING THE WRENCH OPERATING FLUID SUPPLY TO THE IMPACT WRENCH UPON HAVING DELIVERED SAID PREDETERMINED QUANTITY FOR THE DRIVING OF EACH BOLT OR NUT.
References Cited (Backward Citations)
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US2365537A
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US2664106A
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GB741344A
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US2825353A
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US2852965A
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US3033236A
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US3005444A
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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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |