Patent US3195702A successfully refreshed from Google Patents.
US3195702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling tightness of fasteners
Assignee: Rockwell Manufacturing Co
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Filing: 1960-11-16
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Granted: 1965-07-20
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Expires: 1980-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:42
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/145; B25B23/1453; B25B23/147; B25B23/1475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A ROTARY IMPACT DEVICE COMPRISING A ROTARY MOTOR, A ROTARY HAMMER CONNECTED FOR DRIVING THEREOF BY SAID MOTOR, AN ANVIL MOUNTED FOR ROTARY MOVEMENT IN DRIVING ENGAGEMENT WITH SAID HAMMER, PARTS ACTING ON SAID HAMMER AND RESPONSIVE TO DECELERATION OF SAID HAMMER TO DISENGAGE SAID HAMMER FROM SAID ANVILK AND TO PROVIDE FOR ACCELERATION OF SAID HAMMER PRODUCING A SUBSEQUENT BLOW ON SAID ANVIL TENDING TO ROTATE SAID ANVIL, MEANS CONNECTED TO SUPPLY POWER TO SAID MOTOR INCLUDING A CONTROL ARRANGED TO GOVERN THE SUPPLY OF POWER, AND CYCLE CONTROL MEANS CONNECTED TO SAID POWER CONTROL OPERATIVE UPON INITIATION OF THE STRIKING ACTION OF SAID HAMMER UPON SAID ANVIL FOR TERMINATING THE POWER SUPPLY TO SAID MOTOR IN RESPONSE TO APPLICATION OF A PREDETERMINED AMOUNT OF ENERGY TO SAID ANVIL BY SAID HAMMER.
Claim 2
Dependent Claim
133 words
A ROTARY IMPACT DEVICE COMPRISING A ROTARY MOTOR, A ROTARY HAMMER CONNECTED FOR DRIVING THEREOF BY SAID MOTOR, AN ANVIL MOUNTED FOR ROTARY MOVEMENT IN DRIVING ENGAGEMENT WITH SAID HAMMER, PARTS ACTING ON SAID HAMMER AND RESPONSIVE TO DECELERATION OF SAID HAMMER TO DISENGAGE SAID HAMMER FROM SAID ANVILK AND TO PROVIDE FOR ACCELERATION OF SAID HAMMER PRODUCING A SUBSEQUENT BLOW ON SAID ANVIL TENDING TO ROTATE SAID ANVIL, MEANS CONNECTED TO SUPPLY POWER TO SAID MOTOR INCLUDING A CONTROL ARRANGED TO GOVERN THE SUPPLY OF POWER, AND CYCLE CONTROL MEANS CONNECTED TO SAID POWER CONTROL OPERATIVE UPON INITIATION OF THE STRIKING ACTION OF SAID HAMMER UPON SAID ANVIL FOR TERMINATING THE POWER SUPPLY TO SAID MOTOR IN RESPONSE TO APPLICATION OF A PREDETERMINED AMOUNT OF ENERGY TO SAID ANVIL BY SAID HAMMER.
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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 |