US3220030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tap holder with means to compensate for misalignment of tool and work
Assignee: Heald Machine Co
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Filing: 1963-08-29
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Granted: 1965-11-30
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Expires: 1983-08-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene P Supernor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/44; B23G1/46; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T279/35; Y10T408/00; Y10T408/65; Y10T408/665; Y10T408/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TAP HOLDER, COMPRISING (A) AN ELONGATED MAIN BODY HAVING A LONGITUDINAL BORE AND ADAPTED TO BE CONNECTED FOR ROTATION TO A MACHINE TOOL, (B) AN INNER BODY SLIDABLY AND NON-ROTATIVELY MOUNTED IN THE BOR EAND ADAPTED TO BE CONNECTED TO A TAP FOR FORMING A THREAD IN A BORE OF A WORKPIECE, THE INNER BODY CONSISTING OF A BASE WHICH FITS CLOSELY IN THE BORE, OF AN ELONGATED SHAFT OF SUBSTANTIALLY LESS DIAMETER THAN THE BORE, AND AN ELASTOMER WASHER CARRIED IN THE BASE FOR PERMITTING SUBSTANTIAL MISALIGNMENT BETWEEN THE SHAFT AND THE MAIN BODY, AND (C) A RING OF ELASTOMER MATERIAL LOCATED AND LOCKED IN PLACE IN THE BORE AT ONE END OF THE MAIN BODY AND OPERATIVE ON THE INTERMEDIATE PORTION OF THE SHAFT TO CAUSE THE AXIS OF THE SHAFT NORMALLY TO BE ALIGNED WITH THE AXIS OF THE BORE, THE RING PERMITTING THE SHAFT TO SLIDE IN A LONGITUDINAL DIRECTION THROUGH IT.
Claim 2
Dependent Claim
157 words
A TAP HOLDER, COMPRISING (A) AN ELONGATED MAIN BODY HAVING A LONGITUDINAL BORE AND ADAPTED TO BE CONNECTED FOR ROTATION TO A MACHINE TOOL, (B) AN INNER BODY SLIDABLY AND NON-ROTATIVELY MOUNTED IN THE BOR EAND ADAPTED TO BE CONNECTED TO A TAP FOR FORMING A THREAD IN A BORE OF A WORKPIECE, THE INNER BODY CONSISTING OF A BASE WHICH FITS CLOSELY IN THE BORE, OF AN ELONGATED SHAFT OF SUBSTANTIALLY LESS DIAMETER THAN THE BORE, AND AN ELASTOMER WASHER CARRIED IN THE BASE FOR PERMITTING SUBSTANTIAL MISALIGNMENT BETWEEN THE SHAFT AND THE MAIN BODY, AND (C) A RING OF ELASTOMER MATERIAL LOCATED AND LOCKED IN PLACE IN THE BORE AT ONE END OF THE MAIN BODY AND OPERATIVE ON THE INTERMEDIATE PORTION OF THE SHAFT TO CAUSE THE AXIS OF THE SHAFT NORMALLY TO BE ALIGNED WITH THE AXIS OF THE BORE, THE RING PERMITTING THE SHAFT TO SLIDE IN A LONGITUDINAL DIRECTION THROUGH IT.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |