US3273411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabricated sheet metal sheave
Assignee: Nagel Chase Manufacturing Co
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Filing: 1964-11-04
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Granted: 1966-09-20
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Expires: 1984-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward H Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:34
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44; Y; Y10; Y10S; Y10S474/00; Y10S474/902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A SHEAVE ARRANGEMENT COMPRISING: FIRST AND SECOND SHEET MATERIAL MEMBERS HAVING OUTER EDGE PORTIONS DEFINING A PERIPHERAL RIM, INNER EDGE PORTIONS DEFINING A CENTRAL APERTURE AND ANNULAR REGIONS INTERMEDIATE SAID RIM AND SAID APERTURE COOPERATING TO DEFINE A BOX SECTION, A PLURALITY OF AXIALLY ALIGNED HOLE MEANS PERFORATING SAID MEMBERS AT ARCUATELY SPACED POSITIONS ON SAID BOX SECTION; AND A FORCE-TRANSMITTING PIN MEANS FASTENED TO SAID BOX SECTION AT EACH OF SAID HOLE MEANS, INCLUDING AN ELONGATE PORTION EXTENDING AXIALLY BEYOND THE FACE OF ONE OF SAID MEMBERS TO BE ENGAGED BY MOTIVE MEANS, SAID PIN MEANS FURTHER INCLUDING A RADIALLY ENLARGED PORTION DISPOSED BETWEEN SAID MEMBERS AND HAVING AT LEAST ONE SHOULDER ENGAGING A SAID MEMBER RADIALLY OUTWARDLY OF THE CORRESPONDING HOLE MEANS TO BRACE SAID PIN MEANS AGAINST TORSIONAL FORCES AND PREVENT DISTORTION BY THE ENGAGING MOTIVE MEANS.
Claim 2
Dependent Claim
140 words
A SHEAVE ARRANGEMENT COMPRISING: FIRST AND SECOND SHEET MATERIAL MEMBERS HAVING OUTER EDGE PORTIONS DEFINING A PERIPHERAL RIM, INNER EDGE PORTIONS DEFINING A CENTRAL APERTURE AND ANNULAR REGIONS INTERMEDIATE SAID RIM AND SAID APERTURE COOPERATING TO DEFINE A BOX SECTION, A PLURALITY OF AXIALLY ALIGNED HOLE MEANS PERFORATING SAID MEMBERS AT ARCUATELY SPACED POSITIONS ON SAID BOX SECTION; AND A FORCE-TRANSMITTING PIN MEANS FASTENED TO SAID BOX SECTION AT EACH OF SAID HOLE MEANS, INCLUDING AN ELONGATE PORTION EXTENDING AXIALLY BEYOND THE FACE OF ONE OF SAID MEMBERS TO BE ENGAGED BY MOTIVE MEANS, SAID PIN MEANS FURTHER INCLUDING A RADIALLY ENLARGED PORTION DISPOSED BETWEEN SAID MEMBERS AND HAVING AT LEAST ONE SHOULDER ENGAGING A SAID MEMBER RADIALLY OUTWARDLY OF THE CORRESPONDING HOLE MEANS TO BRACE SAID PIN MEANS AGAINST TORSIONAL FORCES AND PREVENT DISTORTION BY THE ENGAGING MOTIVE MEANS.
References Cited (Backward Citations)
US2738681A
Cited
US2787165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |