US3323809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool holder
Assignee: Individual
•
Filing: 1964-05-14
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Granted: 1967-06-06
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Richard A Brookfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:36
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/026; B23B31/0261; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T82/00; Y10T82/25; Y10T82/2585
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A TOOL HOLDER COMPRISING A BODY MEMBER HAVING A REARWARDLY DISPOSED SHANK, A FLAT FRONT FACE, AND A PAIR OF PARALLEL, TRANSVERSE BORES MIDWAY BETWEEN WHICH THE SHANK AXIS IS LOCATED, A TOOL SUPPORTING MEMBER HAVING A FLAT REAR FACE AND A PAIR OF PARALLEL SLOTS EXTENDING FROM FACE-TO-FACE OF SAID TOOL SUPPORTING MEMBER, EACH SLOT BEING DISPOSED IN ALINEMENT WITH AN APPROPRIATE ONE OF SAID BORES, EACH BORE HAVING AN OPENING IN THE FLAT FRONT FACE OF SAID BODY MEMBER, A BOLT EXTENDING THROUGH EACH SLOT AND THROUGH THE ALINED OPENING WITH ONE END INTERSECTING THE ALINED BORE AND WITH ITS OTHER AND EXPOSED AT THE FRONT END OF THE TOOL SUPPORTING MEMBER, EACH OF SAID FIRST NAMED BOLT ENDS HAVING A TRANSVERSED SLOT, A NUT THREADED ON EACH EXPOSED BOLT END, AND RESILIENT MEANS INTERPOSED BETWEEN EACH NUT AND TOOL SUPPORTING MEMBER, AN ACTUATING MEMBER ROTATABLE IN EACH BORE OF THE BODY MEMBER AND INCLUDING AN OPERATING PORTION EXPOSED ON THE PERIPHERY THEREOF AND A CAM PORTION EXTENDING INTO THE SLOT OF THE END OF THE APPROPRIATE BOLT WHEREBY, WHEN SAID ACTUATING MEMBERS ARE TURNED IN ONE DIRECTION OR THE OTHER, SAID TOOL SUPPORTING MEMBER IS CLAMPED AGAINST SAID BODY MEMBER OR RELEASED FROM SAID CLAMPING ENGAGEMENT.
Claim 2
Dependent Claim
209 words
A TOOL HOLDER COMPRISING A BODY MEMBER HAVING A REARWARDLY DISPOSED SHANK, A FLAT FRONT FACE, AND A PAIR OF PARALLEL, TRANSVERSE BORES MIDWAY BETWEEN WHICH THE SHANK AXIS IS LOCATED, A TOOL SUPPORTING MEMBER HAVING A FLAT REAR FACE AND A PAIR OF PARALLEL SLOTS EXTENDING FROM FACE-TO-FACE OF SAID TOOL SUPPORTING MEMBER, EACH SLOT BEING DISPOSED IN ALINEMENT WITH AN APPROPRIATE ONE OF SAID BORES, EACH BORE HAVING AN OPENING IN THE FLAT FRONT FACE OF SAID BODY MEMBER, A BOLT EXTENDING THROUGH EACH SLOT AND THROUGH THE ALINED OPENING WITH ONE END INTERSECTING THE ALINED BORE AND WITH ITS OTHER AND EXPOSED AT THE FRONT END OF THE TOOL SUPPORTING MEMBER, EACH OF SAID FIRST NAMED BOLT ENDS HAVING A TRANSVERSED SLOT, A NUT THREADED ON EACH EXPOSED BOLT END, AND RESILIENT MEANS INTERPOSED BETWEEN EACH NUT AND TOOL SUPPORTING MEMBER, AN ACTUATING MEMBER ROTATABLE IN EACH BORE OF THE BODY MEMBER AND INCLUDING AN OPERATING PORTION EXPOSED ON THE PERIPHERY THEREOF AND A CAM PORTION EXTENDING INTO THE SLOT OF THE END OF THE APPROPRIATE BOLT WHEREBY, WHEN SAID ACTUATING MEMBERS ARE TURNED IN ONE DIRECTION OR THE OTHER, SAID TOOL SUPPORTING MEMBER IS CLAMPED AGAINST SAID BODY MEMBER OR RELEASED FROM SAID CLAMPING ENGAGEMENT.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |