Patent US2639352A successfully refreshed from Google Patents.
Patent US3240100A successfully refreshed from Google Patents.
US3240100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive pin
Assignee: Stanadyne LLC
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Filing: 1963-05-09
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Granted: 1966-03-15
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Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Augustus D Rose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:54
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A DRIVE PIN ADAPTED TO BE SEATED IN COMPRESSIN FIT IN AN AXIALLY EXTENDING HOLE HAVING A CROSS SECTION OF GENERALLY CONSTANT CONFIGURATION AND DIMENSION, INCLUDING A SHANK HAVING A WORKING SECTION AND A PILOT SECTION, SAID PILOT SECTION BEING SMOOTH AND GENERALLY CYLINDRICAL, SAID WORKING SECTION HAVING AT LEAST THREE AXIALLY EXTENDING OUTSTANDING LOBES WITH THE OUTER DIAMETER OF THE LOBES BEING GREATER THAN THE DIAMETER OF THE AXIALLY EXTENDING HOLE AND GREATER THAN THE DIAMETER OF THE PILOT SECTION, THE OUTER SURFACE OF EACH LOB BEING A CONVEX SURFACE HAVING MAJOR PORTIONS OF CONSTANT RADIUS MEASURED FROM THE SHANK AXIS, THE AREAS BETWEEN LOBES HAVING A DIAMETER LESS THAT THAT OF THE AXIALLY EXTENDING HOLE AND GENERALLY EQUAL TO THAT OF THE PILOT SECTION WITH MAJOR PORTIONS OF SAID AREAS HAVING A CONVEX SURFACE WITH A CONSTANT RADIUS MEASURED FROM THE SHANK AXIS, SAID LOBE PORTIONS OF GENERALLY CONSTANT RADIUS BEING GENERALLY EQUAL IN ARCUATE LENGTH TO THE ARCUATE LENGTH OF SAID AREA OF GENERALLY CONSTANT RADIUS, WITH SAID LOBE PORTION GRADUALLY MERGING INTO SAID AREAS.
Claim 2
Dependent Claim
178 words
A DRIVE PIN ADAPTED TO BE SEATED IN COMPRESSIN FIT IN AN AXIALLY EXTENDING HOLE HAVING A CROSS SECTION OF GENERALLY CONSTANT CONFIGURATION AND DIMENSION, INCLUDING A SHANK HAVING A WORKING SECTION AND A PILOT SECTION, SAID PILOT SECTION BEING SMOOTH AND GENERALLY CYLINDRICAL, SAID WORKING SECTION HAVING AT LEAST THREE AXIALLY EXTENDING OUTSTANDING LOBES WITH THE OUTER DIAMETER OF THE LOBES BEING GREATER THAN THE DIAMETER OF THE AXIALLY EXTENDING HOLE AND GREATER THAN THE DIAMETER OF THE PILOT SECTION, THE OUTER SURFACE OF EACH LOB BEING A CONVEX SURFACE HAVING MAJOR PORTIONS OF CONSTANT RADIUS MEASURED FROM THE SHANK AXIS, THE AREAS BETWEEN LOBES HAVING A DIAMETER LESS THAT THAT OF THE AXIALLY EXTENDING HOLE AND GENERALLY EQUAL TO THAT OF THE PILOT SECTION WITH MAJOR PORTIONS OF SAID AREAS HAVING A CONVEX SURFACE WITH A CONSTANT RADIUS MEASURED FROM THE SHANK AXIS, SAID LOBE PORTIONS OF GENERALLY CONSTANT RADIUS BEING GENERALLY EQUAL IN ARCUATE LENGTH TO THE ARCUATE LENGTH OF SAID AREA OF GENERALLY CONSTANT RADIUS, WITH SAID LOBE PORTION GRADUALLY MERGING INTO SAID AREAS.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |