US3872735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmitting belting material
Assignee: HOXTERSCHE GUMMIFADEN FABRIK E
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Filing: 1972-04-20
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Granted: 1975-03-25
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Expires: 1992-04-20
Abstract
Abstract Belting material for power-transmitting flat, or vee-belts includes a strip of woven fabric capable of relatively high elastic elongation along its length accompanied by substantially zero deformation along its width. The weft threads of the fabric are straight, while the warps threads follow either a zig-zaged or sinuous path, or are coiled.
Inventors
- 👤 Josef Hnatek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:27
CPC Classifications
F; F16; F16G; F16G5/00; F16G5/20; F16G1/00; F16G1/06; F16G1/08; F16G1/10; F16G5/04; F16G5/06; F16G5/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24636
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
93 words
In combination with a molded power transmitting belt structure, a belting material comprising a strip of woven fabric having warp threads extending substantially longitudinally in the belt structure, and weft threads extending tranversely in the belt structure, said warp threads being substantially finer than said weft threads and crimped so as to be capable of elastic elongation by at least 90% of its original length whereby the fabric in the belt structure is capable of a relatively high elastic elongation in its longitudinal direction accompanied by substantially zero contraction in its transverse direction.
Claim 2
Dependent Claim
93 words
In combination with a molded power transmitting belt structure, a belting material comprising a strip of woven fabric having warp threads extending substantially longitudinally in the belt structure, and weft threads extending tranversely in the belt structure, said warp threads being substantially finer than said weft threads and crimped so as to be capable of elastic elongation by at least 90% of its original length whereby the fabric in the belt structure is capable of a relatively high elastic elongation in its longitudinal direction accompanied by substantially zero contraction in its transverse direction.
Claim 3
Dependent Claim
16 words
A combination according to claim 1, wherein the weft threads of the fabric are substantially straight.
Claim 4
Dependent Claim
18 words
A combination according to claim 2, wherein the warp threads of the fabric follow a generally zig-zaged path.
Claim 5
Dependent Claim
18 words
A combination according to claim 2, wherein the warp threads of the fabric follow a generally sinuous path.
Claim 6
Dependent Claim
15 words
A combination according to claim 2, whereIn the warp threads of the fabric are coiled.
Claim 7
Dependent Claim
13 words
A combination according to claim 1 wherein said fabric is a leno fabric.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-24 | 1978-09-23 | 1979-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-24 | 1982-09-23 | 1983-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-24 | 1986-09-23 | 1987-03-25 | $7700.00 | Window Closed / Lapsed |