US3195393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft with overlapping cotter pin receiving holes
Assignee: Individual
•
Filing: 1963-04-24
•
Granted: 1965-07-20
•
Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Uozumi Iwao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:50
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A COTTER PIN AND SHAFT COMBINATION OF IMPROVED STRENGTH WEAR RESISTANCE COMPRISING A COTTER PIN OF THE TYPE FORMED OF TWO SUBNSTANTIALLY CYLINDRICAL LEGS OF SUBSTANTIALLY THE SAME DIAMETER SAID LEGS BEING CONNECTED AT ONE END, HAVING INTERMEDIATE PORTIONS IN CONTACT AND END PORTIONS ADAPTED TO E DIVERGENTLY BENT. A SHAFT HAVING AN END PORTION CONTAINING A PAIR OF TRANSVERSE CYLINDRICAL BORES OF A SLIGHTLY LARGER DIAMETER THAN THE DIAMETER OF SAID COTTER PIN LEGS, SAID BORES HAVING PARALLEL AXES AND BEING ALIGNED IN THE AXIAL DIRECTION WITH RESPECT TO AID SHAFT, THE AXES OF SAID BORES BEING SPACED APART A DISTANCE SUFFICIENT TO ADMIT SAID TWO LEGS OF THE COTTER PIN, BUT LESS THAN ONE DIAMETER OF SAID BORES WHEREBY SAID BORES OVERLAP IN THE CENTER PORTION OF SAID SHAFT, SAID COTTER PIN BEING HELD WITHIN THE BORES OF SAID SAHFT.
Claim 2
Dependent Claim
142 words
A COTTER PIN AND SHAFT COMBINATION OF IMPROVED STRENGTH WEAR RESISTANCE COMPRISING A COTTER PIN OF THE TYPE FORMED OF TWO SUBNSTANTIALLY CYLINDRICAL LEGS OF SUBSTANTIALLY THE SAME DIAMETER SAID LEGS BEING CONNECTED AT ONE END, HAVING INTERMEDIATE PORTIONS IN CONTACT AND END PORTIONS ADAPTED TO E DIVERGENTLY BENT. A SHAFT HAVING AN END PORTION CONTAINING A PAIR OF TRANSVERSE CYLINDRICAL BORES OF A SLIGHTLY LARGER DIAMETER THAN THE DIAMETER OF SAID COTTER PIN LEGS, SAID BORES HAVING PARALLEL AXES AND BEING ALIGNED IN THE AXIAL DIRECTION WITH RESPECT TO AID SHAFT, THE AXES OF SAID BORES BEING SPACED APART A DISTANCE SUFFICIENT TO ADMIT SAID TWO LEGS OF THE COTTER PIN, BUT LESS THAN ONE DIAMETER OF SAID BORES WHEREBY SAID BORES OVERLAP IN THE CENTER PORTION OF SAID SHAFT, SAID COTTER PIN BEING HELD WITHIN THE BORES OF SAID SAHFT.
References Cited (Backward Citations)
US1986586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |