Patent US5080472B1 successfully refreshed from Google Patents.
US3335480A
Expired / Lapsed
US
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Tool bit clamp construction and method of manufacture
Assignee: Saginaw Machine Systems Inc
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Filing: 1966-11-23
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Granted: 1967-08-15
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Robert W Cashman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:01
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/06; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/2226; Y10T407/2238; Y10T407/224; Y10T407/2272; Y10T407/2282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A TOOL HOLDER COMPRISING A BODY MEMBER HAVING A SEGMENT-SHAPED RECESS THEREIN, SAID RECESS HAVING A SUBSTANTIALLY FLAT BASE AND AN ARCUATE WALL UPSTANDING FROM SAID BASE; A SEGMENT-SHAPED CLAMP SUBSTANTIALLY CORRESPONDING IN SIZE TO THE SIZE OF SAID RECESS AND HAVING TWO LINEAR SIDES JOINED TOGETHER AT CORRESPONDING ENDS BY AN ARCUATE SIDE HAVING A CURVATURE CORRESPONDING TO THE CURVATURE OF SAID ARCUATE WALL, THE OTHER ENDS OF SAID LINEAR SIDES CONVERGING ALONG LINES THAT INTERSECT AT THE CENTER OF A CIRCLE ON WHICH SAID ARCUATE SIDE IS FORMED, AND LOCK MEANS REACTING BETWEEN SAID MEMBERS IN A POSITION BETWEEN SAID OTHER ENDS OF SAID SIDES AND SAID ARCUATE SIDE FOR RELEASABLY LOCKING SAID CLAMP MEMBER IN SAID RECESS.
Claim 2
Dependent Claim
120 words
A TOOL HOLDER COMPRISING A BODY MEMBER HAVING A SEGMENT-SHAPED RECESS THEREIN, SAID RECESS HAVING A SUBSTANTIALLY FLAT BASE AND AN ARCUATE WALL UPSTANDING FROM SAID BASE; A SEGMENT-SHAPED CLAMP SUBSTANTIALLY CORRESPONDING IN SIZE TO THE SIZE OF SAID RECESS AND HAVING TWO LINEAR SIDES JOINED TOGETHER AT CORRESPONDING ENDS BY AN ARCUATE SIDE HAVING A CURVATURE CORRESPONDING TO THE CURVATURE OF SAID ARCUATE WALL, THE OTHER ENDS OF SAID LINEAR SIDES CONVERGING ALONG LINES THAT INTERSECT AT THE CENTER OF A CIRCLE ON WHICH SAID ARCUATE SIDE IS FORMED, AND LOCK MEANS REACTING BETWEEN SAID MEMBERS IN A POSITION BETWEEN SAID OTHER ENDS OF SAID SIDES AND SAID ARCUATE SIDE FOR RELEASABLY LOCKING SAID CLAMP MEMBER IN SAID RECESS.
References Cited (Backward Citations)
US2704881A
Cited
US2808638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |