US2850420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1955-06-14
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Granted: 1958-09-02
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Expires: 1975-06-14
Abstract
No abstract record available.
Inventors
- 👤 Arden R Hacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:05
CPC Classifications
B; B65; B65G; B65G15/00; B65G15/30; B65G15/32; B65G15/34; F; F16; F16G; F16G1/00; F16G1/06; F16G1/08; B65G2201/00; B65G2201/06; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/24107; Y10T428/24116; Y10T428/31504; Y10T428/31826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
AN IMPACT RESISTANT CONVEYOR BELT HAVING A LOAD CARRYING SIDE AND AN OPPOSING PULLEY CONTACTING SIDE, COMPRISING A TENSION SECTION HAVING A PLURALITY OF LAYERS OF WOVEN FABRIC AND A PLURALITY OF PROTECTIVE LAYERS DISTRIBUTED ON EACH SIDE OF AND OUTWARDLY OVERLYING THE FABRIC LAYERS, EACH SAID PROTECTIVE LAYER FORMED OF A CONTINUOUS LAYER OF CORDS LAID ON A BIAS OF SUBSTANTIALLY 45 DEGREES TO THE LONGITUDINAL AXIS OF THE BELT WITH ADJACENT LAYERS LAID ON A BIAS SUBSTANTIALLY 90 DEGREES ALTERNATELY WITH RESPECT TO EACH OTHER, A FIRST BREAKER STRUCTURE HAVING AT LEAST ONE LAYER OF MATERIAL FORMED OF PARALLEL CORDS EXTENDING SUBSTANTIALLY TRANSVERSELY OF THE BELT AND POSITIONED IN SUPERPOSED RELATION TO THE PULLEY SIDE OF THE TENSION SECTION, A FIRST PROTECTIVE COVERING OVER THE BREAKER STRUCTURE, AND A SECOND PROTECTIVE COVERING OVER THE LOAD SIDE OF THE TENSION SECTION.
Claim 2
Dependent Claim
142 words
AN IMPACT RESISTANT CONVEYOR BELT HAVING A LOAD CARRYING SIDE AND AN OPPOSING PULLEY CONTACTING SIDE, COMPRISING A TENSION SECTION HAVING A PLURALITY OF LAYERS OF WOVEN FABRIC AND A PLURALITY OF PROTECTIVE LAYERS DISTRIBUTED ON EACH SIDE OF AND OUTWARDLY OVERLYING THE FABRIC LAYERS, EACH SAID PROTECTIVE LAYER FORMED OF A CONTINUOUS LAYER OF CORDS LAID ON A BIAS OF SUBSTANTIALLY 45 DEGREES TO THE LONGITUDINAL AXIS OF THE BELT WITH ADJACENT LAYERS LAID ON A BIAS SUBSTANTIALLY 90 DEGREES ALTERNATELY WITH RESPECT TO EACH OTHER, A FIRST BREAKER STRUCTURE HAVING AT LEAST ONE LAYER OF MATERIAL FORMED OF PARALLEL CORDS EXTENDING SUBSTANTIALLY TRANSVERSELY OF THE BELT AND POSITIONED IN SUPERPOSED RELATION TO THE PULLEY SIDE OF THE TENSION SECTION, A FIRST PROTECTIVE COVERING OVER THE BREAKER STRUCTURE, AND A SECOND PROTECTIVE COVERING OVER THE LOAD SIDE OF THE TENSION SECTION.
References Cited (Backward Citations)
CA496634A
Cited
US2113561A
Cited
US2141796A
Cited
US2211607A
Cited
US2237173A
Cited
US2310819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |