US4606430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail mounted safety restraint device
Assignee: SOUTHERN RAILWAY COMPANY 185 SPRING STREET SW ATLANTA GEORGIA A CORP OF VIRGINIA
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Filing: 1985-10-04
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Granted: 1986-08-19
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Expires: 2005-10-04
Abstract
Abstract A safety restraint device is adapted to be mounted on a rail of a railway track, and includes a substantially U-shaped hood having a pair of hinged hood sections each supporting upper and lower rollers for engagement respectively with upper and lower surfaces of the ball of the rail. The upper rollers are adjustable for accommodating different rail weights, the rollers are located wholly within the hood, and the hinged hood sections permit quick assembly to and removal from the rail.
Inventors
- 👤 William R. Roby
- 👤 Charles M. Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:20
CPC Classifications
A; A62; A62B; A62B35/00; A62B35/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
122 words
A safety restraint device adapted to be mounted on a rail of a railway track, comprising a substantially U-shaped hood having a pair of hinged sections adapted for surrounding the ball of the rail, at least a first pair of upper and lower rollers mounted on one of said sections, and at least a second pair of upper and lower rollers mounted on the other of said sections, said upper and lower rollers respectively engaging upper and lower surfaces of the rail ball to facilitate rolling movement of said hood along the rail, removable means extending between said sections for maintaining said rollers engaeable with the rail ball, and means on one of said sections for anchoring a lanyard to the rail.
Claim 2
Dependent Claim
122 words
A safety restraint device adapted to be mounted on a rail of a railway track, comprising a substantially U-shaped hood having a pair of hinged sections adapted for surrounding the ball of the rail, at least a first pair of upper and lower rollers mounted on one of said sections, and at least a second pair of upper and lower rollers mounted on the other of said sections, said upper and lower rollers respectively engaging upper and lower surfaces of the rail ball to facilitate rolling movement of said hood along the rail, removable means extending between said sections for maintaining said rollers engaeable with the rail ball, and means on one of said sections for anchoring a lanyard to the rail.
Claim 3
Dependent Claim
27 words
The device according to claim 1, wherin said first and second pairs of rollers are located wholly within said hood and are respectively mounted on sidewalls thereof.
Claim 4
Dependent Claim
14 words
The device according to claim 1, wherein said removable means comprise an elongated fastener.
Claim 5
Dependent Claim
13 words
The device according to claim 1, wherein said anchoring means comprises a clevis.
Claim 6
Dependent Claim
48 words
The device according to claim 2, wherein said rollers include roller shafts extending through openings provided in said side walls, said opening for said shafts of said upper rollers being elongated to facilitate adjustment of said upper rollers reltive to said lower rollers to accommodate various rail weights.
Claim 7
Dependent Claim
33 words
The device according to claim 2, wherein the free ends of said side walls slope outwardly for supporting said lower rollers at predetermined angles relative to the lower surfaces of the rail ball.
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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) | 1989-08-18 | 1990-02-17 | 1990-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-18 | 1994-02-17 | 1994-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-18 | 1998-02-17 | 1998-08-19 | $7700.00 | Window Closed / Lapsed |