US4557007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor socket
Assignee: Sumitomo Electric Industries Ltd
•
Filing: 1984-02-29
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Granted: 1985-12-10
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Expires: 2004-02-29
Abstract
Abstract An anchor socket for bridge cables having bundles of stranded steel wires. It has a plurality of ribs formed on its inner wall. The larger the inner diameter of the ribs, the smaller the distance from the point where the cables are fastened.
Inventors
- 👤 Hisashi Daiguji
- 👤 Ikuo Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:17
CPC Classifications
E; E01; E01D; E01D19/00; E01D19/16; E01D19/14; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3909
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
111 words
An anchor socket for bridge cables having bundles of stranded steel wires, means for fastening said cables longitudinally to said anchor socket in spaced relationship, said anchor socket having a first series of ribs formed on the inner wall thereof and a second series of ribs spaced a greater longitudinal distance from said fastening means than said first series of ribs, said first series of ribs having a larger inner diameter than said second series of ribs, said ribs being adapted to engage the radial outermost of said wires for effecting a curvature thereof with said wires being free of engagement with said ribs in the longitudinal area between said ribs.
Claim 2
Dependent Claim
111 words
An anchor socket for bridge cables having bundles of stranded steel wires, means for fastening said cables longitudinally to said anchor socket in spaced relationship, said anchor socket having a first series of ribs formed on the inner wall thereof and a second series of ribs spaced a greater longitudinal distance from said fastening means than said first series of ribs, said first series of ribs having a larger inner diameter than said second series of ribs, said ribs being adapted to engage the radial outermost of said wires for effecting a curvature thereof with said wires being free of engagement with said ribs in the longitudinal area between said ribs.
Claim 3
Dependent Claim
19 words
The anchor socket as claimed in claim 1 wherein said stranded steel wires are covered with plastics for rustproofness.
Claim 4
Dependent Claim
83 words
The anchor socket as claimed in claim 1, wherein the fastening means comprises a stop plate formed with a plurality of holes for receiving and affixing the ends of cables therein, a conical portion connected to said stop plate, and a cylindrical portion connected to said conical portion at the end opposite to said stop plate, said first series of ribs being formed on the inner wall of said conical portion and said second series of ribs being formed on said cylindrical portion.
Claim 5
Dependent Claim
23 words
The anchor socket as claimed in claim 1, wherein the first and second series of ribs are each formed by polygonal shaped openings.
Claim 6
Dependent Claim
32 words
The anchor socket as claimed in claim 3, wherein the first and second series of ribs are formed by respective polygonal shaped openings formed in the conical portion and the cylindrical portion.
Claim 7
Dependent Claim
32 words
The anchor socket as claimed in claim 5, further including a grout filling the area between the stop plate and the outer end of the cylindrical portion and encompassing the individual wires.
References Cited (Backward Citations)
GB1125176A
Cited
US3457717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-12-09 | 1989-06-10 | 1989-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-12-09 | 1993-06-10 | 1993-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-12-09 | 1997-06-10 | 1997-12-10 | $7700.00 | Window Closed / Lapsed |