Patent US2322824A successfully refreshed from Google Patents.
US3153370A
Expired / Lapsed
US
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Tool slide restraining means
Assignee: Saint Gobain Abrasives Inc
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Filing: 1960-09-19
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Granted: 1964-10-20
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Heimall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:18
CPC Classifications
B; B23; B23D; B23D13/00; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/509348; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A TOOL HEAD FOR A MACHINE TOOL INCLUDING A TOOL SLIDE BASE, A TOOL SLIDE ON THE TOOL SLIDE BASE, AND ROTATABLE MEANS OPERABLE TO MOVE THE TOOL SLIDE RELATIVE TO THE TOOL SLIDE BASE, A RELEASABLE RESTRAINING MECHANISM COMPRISING A PAIR OF OPPOSED COILED MEMBERS, EACH HAVING A FREE END AND AN OPPOSITE END HELD AGAINST ROTATION, SAID COILED MEMBERS BEING SELF-BIASED INTO GRIPPING ENGAGEMENT WITH THE ROTATABLE MEANS AND COLLECTIVELY EFFECTIVE BY MEANS OF THEIR SELF-BIASED ENGAGEMENT WITH THE ROTATABLE MEANS TO SECURE THE ROTATABLE MEANS AGAINST ROTATION IN EITHER DIRECTION, AND MEANS TO ENGAGE BOTH OF SAID FREE ENDS OF SAID COILED MEMBERS TO UNWIND BOTH OF SAID COILED MEMBERS OUT OF ENGAGEMENT WITH THE ROTATABLE MEANS, THEREBY ALLOWING ROTATION OF THE ROTATABLE MEANS.
Claim 2
Dependent Claim
128 words
IN A TOOL HEAD FOR A MACHINE TOOL INCLUDING A TOOL SLIDE BASE, A TOOL SLIDE ON THE TOOL SLIDE BASE, AND ROTATABLE MEANS OPERABLE TO MOVE THE TOOL SLIDE RELATIVE TO THE TOOL SLIDE BASE, A RELEASABLE RESTRAINING MECHANISM COMPRISING A PAIR OF OPPOSED COILED MEMBERS, EACH HAVING A FREE END AND AN OPPOSITE END HELD AGAINST ROTATION, SAID COILED MEMBERS BEING SELF-BIASED INTO GRIPPING ENGAGEMENT WITH THE ROTATABLE MEANS AND COLLECTIVELY EFFECTIVE BY MEANS OF THEIR SELF-BIASED ENGAGEMENT WITH THE ROTATABLE MEANS TO SECURE THE ROTATABLE MEANS AGAINST ROTATION IN EITHER DIRECTION, AND MEANS TO ENGAGE BOTH OF SAID FREE ENDS OF SAID COILED MEMBERS TO UNWIND BOTH OF SAID COILED MEMBERS OUT OF ENGAGEMENT WITH THE ROTATABLE MEANS, THEREBY ALLOWING ROTATION OF THE ROTATABLE MEANS.
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) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |