US3073610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expanding arbor
Assignee: LINCOLN PARK ENGINEERING Inc
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Filing: 1961-10-19
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Granted: 1963-01-15
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Harold C Mackinder
- 👤 Zywicki Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:54
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/09; F16D1/093; F16D1/094; B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/117; F16D1/0805; F16D2001/0945; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1037; Y10T279/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN AN EXPANDING ARBOR FOR GRIPPING A WORK PIECE HAVING A SUBSTANTIALLY CYLINDRICAL BORE THERETHROUGH, AN INNER SLEEVE COMPRISING ALTERNATE RUBBER RINGS AND METALLIC RINGS BONDED TOGETHER TO FORM A UNITARY STRUCTURE; EACH OF SAID RINGS HAVING A SUBSTANTIALLY TRIANGULAR CROSSSECTION; THE APEXES OF THE RUBBER RINGS BEING POSITIONED ON THE INNER PERIPHERY OF THE SLEEVE AND THE APEXES OF THE METALLIC RINGS BEING POSITIONED ON THE OUTER PERIPHERY OF THE SLEEVE WHEREBY A COMPRESSIVE AXIAL FORCE EXERTED ON THE ENDS OF THE SLEEVE WILL CAUSE RADIALLY OUTWARD DEFORMATION OF THE RUBBER RINGS; AND AN EXPANSIBLE OUTER SLEEVE RECEIVED ON THE INNER SLEEVE RESPONSIVE TO DEFORMATION OF THE RUBBER RINGS TO DEFORM RADIALLY OUTWARDLY TO GRIP A WORK PIECE INSERTED THEREON.
Claim 2
Dependent Claim
121 words
IN AN EXPANDING ARBOR FOR GRIPPING A WORK PIECE HAVING A SUBSTANTIALLY CYLINDRICAL BORE THERETHROUGH, AN INNER SLEEVE COMPRISING ALTERNATE RUBBER RINGS AND METALLIC RINGS BONDED TOGETHER TO FORM A UNITARY STRUCTURE; EACH OF SAID RINGS HAVING A SUBSTANTIALLY TRIANGULAR CROSSSECTION; THE APEXES OF THE RUBBER RINGS BEING POSITIONED ON THE INNER PERIPHERY OF THE SLEEVE AND THE APEXES OF THE METALLIC RINGS BEING POSITIONED ON THE OUTER PERIPHERY OF THE SLEEVE WHEREBY A COMPRESSIVE AXIAL FORCE EXERTED ON THE ENDS OF THE SLEEVE WILL CAUSE RADIALLY OUTWARD DEFORMATION OF THE RUBBER RINGS; AND AN EXPANSIBLE OUTER SLEEVE RECEIVED ON THE INNER SLEEVE RESPONSIVE TO DEFORMATION OF THE RUBBER RINGS TO DEFORM RADIALLY OUTWARDLY TO GRIP A WORK PIECE INSERTED THEREON.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |