US3747995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reinforcement for endless track
Assignee: Gates Rubber Co
•
Filing: 1971-07-12
•
Granted: 1973-07-24
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Expires: 1991-07-12
Abstract
Abstract A transverse reinforcement for stiffening an endless track of the textile reinforced polymeric type, the transverse reinforcement having a generally horseshoe cross-section that interlocks the stiffener within the track.
Inventors
- 👤 P Russ
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:48
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D55/244
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
69 words
In an integrally molded endless track of the textile reinforced polymeric type having inner and outer surfaces, the improvement comprising: a plurality of spaced reinforcing rods extending transversely substantially across the width of and embedded completely within the track, said rods having a generally horseshoe crosssection with converging sides throughout their length whereby said rods are mechanically interlocked throughout their length in a generally dove-tail manner within the polymer.
Claim 2
Dependent Claim
69 words
In an integrally molded endless track of the textile reinforced polymeric type having inner and outer surfaces, the improvement comprising: a plurality of spaced reinforcing rods extending transversely substantially across the width of and embedded completely within the track, said rods having a generally horseshoe crosssection with converging sides throughout their length whereby said rods are mechanically interlocked throughout their length in a generally dove-tail manner within the polymer.
Claim 3
Dependent Claim
38 words
An endless track as set forth in claim 1 and further including a plurality of spaced tread elements extending transversely and upraised from the outer surface of the track, said reinforcing rods being disposed within said tread elements.
Claim 4
Dependent Claim
29 words
An endless track as set forth in claim 1 wherein the openings of the horseshoe cross-section of said rods are oriented substantially toward the outer surface of the track.
Claim 5
Dependent Claim
19 words
An endless track as set forth in claim 1 wherein said rods are of the fiberglass reinforced polymeric type.
References Cited (Backward Citations)
US2899242A
Cited
US3120409A
Cited
US3205023A
Cited
US3463562A
Cited
US3598454A
Cited
US3623780A
Cited
US3664715A
Cited
US3680925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |