US3174616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor chain and attachment
Assignee: Rex Chainbelt Inc
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Filing: 1962-10-15
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Granted: 1965-03-23
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 John D Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:21
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/30; B65G17/38; B65G17/42; B65G2201/00; B65G2201/02; B65G2207/00; B65G2207/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A CHAIN FOR CONVEYING ARTICLES COMPRISING A SERIES OF LINKS CONNECTED BY JOINTS OF UNIFORM SPACING FOR OPERATION OVER A SPROCKET, SAID SERIES OF LINKS COMPRISING ALTERNATE BUSHING LINKS AND PIN LINKS HAVING BUSHINGS AND HOLLOW PINS, RESPECTIVELY, EACH JOINT COMPRISING A HOLLOW PIN TURNABLE IN A BUSHING, A CONNECTOR LINK COMPRISING A PLATE ON EACH SIDE OF THE CHAIN AND CONNECTOR PINS EXTENDING THROUGH THE HOLLOW PINS OF TWO JOINTS OF THE CHAIN HAVING ONE INTERMEDIATE JOINT, SAID CONNECTOR PINS BEING SPACED SO THAT THE SPACING OF SAID TWO JOINTS CORRESPONDS WITH SAID UNIFORM SPACING AND SO THAT THE CONNECTOR LINK AND THE TWO LINKS BETWEEN SAID TWO JOINTS FORM A RIGID, TRIANGULAR STRUCTURE FOR THE DIRECT ENGAGEMENT OR SUPPORT OF THE DEVICE OR ARTICLE TO BE MOVED OR CONVEYED, THE BASE OF SAID TRIANGULAR STRUCTURE BEING FORMED BY THE CHAIN AND ONE OF THE HOLLOW PINS OF THE CHAIN BEING AT THE APEX OF THE TRIANGLE TO ENGAGE THE DEVICE TO BE MOVED.
Claim 2
Dependent Claim
166 words
IN A CHAIN FOR CONVEYING ARTICLES COMPRISING A SERIES OF LINKS CONNECTED BY JOINTS OF UNIFORM SPACING FOR OPERATION OVER A SPROCKET, SAID SERIES OF LINKS COMPRISING ALTERNATE BUSHING LINKS AND PIN LINKS HAVING BUSHINGS AND HOLLOW PINS, RESPECTIVELY, EACH JOINT COMPRISING A HOLLOW PIN TURNABLE IN A BUSHING, A CONNECTOR LINK COMPRISING A PLATE ON EACH SIDE OF THE CHAIN AND CONNECTOR PINS EXTENDING THROUGH THE HOLLOW PINS OF TWO JOINTS OF THE CHAIN HAVING ONE INTERMEDIATE JOINT, SAID CONNECTOR PINS BEING SPACED SO THAT THE SPACING OF SAID TWO JOINTS CORRESPONDS WITH SAID UNIFORM SPACING AND SO THAT THE CONNECTOR LINK AND THE TWO LINKS BETWEEN SAID TWO JOINTS FORM A RIGID, TRIANGULAR STRUCTURE FOR THE DIRECT ENGAGEMENT OR SUPPORT OF THE DEVICE OR ARTICLE TO BE MOVED OR CONVEYED, THE BASE OF SAID TRIANGULAR STRUCTURE BEING FORMED BY THE CHAIN AND ONE OF THE HOLLOW PINS OF THE CHAIN BEING AT THE APEX OF THE TRIANGLE TO ENGAGE THE DEVICE TO BE MOVED.
References Cited (Backward Citations)
DE406725C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |