US3854767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rope assembly
Assignee: BURNETT CO Ltd
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Filing: 1973-08-31
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Granted: 1974-12-17
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Expires: 1993-08-31
Abstract
Abstract In a rope assembly wherein a rope end is inserted down the center of a hollow rope, the rope end is retained in the center of the hollow rope by a retaining ring rigidly affixed to the rope end. The retaining ring has barbs formed thereon to engage the braids of the hollow rope when the rope end is pulled to prevent pullout of the rope end.
Inventors
- 👤 R Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:55
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/12; D; D07; D07B; D07B1/00; D07B1/18; F; F16; F16G; F16G11/00; F16G11/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
161 words
A rope assembly which comprises a flexible, hollow, braided rope and a rope end portion inserted into the center of the hollow rope along the longitudinal axis of the hollow rope, the rope end portion being partially retained in the center of the hollow rope against pullout by the rope braids of the hollow rope gripping the rope end portion within the hollow rope when tension is applied to the hollow rope, and a retaining ring rigidly affixed to a portion of the rope within the hollow rope, said retaining ring comprising retention means for rigidly engaging the ring and rope end portion and barb means for internally engaging the braids of the hollow rope when the rope end portion is pulled relative to the hollow rope to prevent pullout, said retention means comprising first barbs extending inwardly from each end of the retaining ring and said Barb means comprising second barbs extending outwardly from one end of the retaining ring.
Claim 2
Dependent Claim
161 words
A rope assembly which comprises a flexible, hollow, braided rope and a rope end portion inserted into the center of the hollow rope along the longitudinal axis of the hollow rope, the rope end portion being partially retained in the center of the hollow rope against pullout by the rope braids of the hollow rope gripping the rope end portion within the hollow rope when tension is applied to the hollow rope, and a retaining ring rigidly affixed to a portion of the rope within the hollow rope, said retaining ring comprising retention means for rigidly engaging the ring and rope end portion and barb means for internally engaging the braids of the hollow rope when the rope end portion is pulled relative to the hollow rope to prevent pullout, said retention means comprising first barbs extending inwardly from each end of the retaining ring and said Barb means comprising second barbs extending outwardly from one end of the retaining ring.
Claim 3
Dependent Claim
21 words
A rope assembly as in claim 1 wherein the rope end portion and hollow rope are a single length of rope.
Claim 4
Dependent Claim
41 words
A rope assembly as in claim 2 wherein the rope end is inserted between the rope braids and into the center of the rope at an intermediate point along the rope, to form a loop at one end of the rope.
Claim 5
Dependent Claim
12 words
A rope assembly as in claim 1 wherein the rope is ploypropylene.
Claim 6
Dependent Claim
25 words
A rope assembly as in claim 1 wherein said retaining ring comprises a metal strip formed to provide said ring, barb means, and retention means.
Claim 7
Dependent Claim
54 words
A rope assembly as in claim 5 wherein said metal strip includes serrated circumferential edges, a portion of said serrations being bent outward to provide said barb means that are adapted to interlock with the strands of the hollow rope, and a portion of said serrations being bent inward to provide said retention means.
Claim 8
Dependent Claim
18 words
A rope assembly as in claim 6 wherein outwardly bent serrations are longer than the inwardly bent serrations.
Claim 9
Dependent Claim
26 words
A rope assembly as in claim 1 wherein said retaining ring is adapted to permit further insertion of the rope end portion into the hollow rope.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-16 | 1978-06-17 | 1978-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-16 | 1982-06-17 | 1982-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-16 | 1986-06-17 | 1986-12-17 | $7700.00 | Window Closed / Lapsed |