Railways: surface track – Fastenings – Clamps
Patent
1981-12-07
1985-04-30
Reeves, Robert B.
Railways: surface track
Fastenings
Clamps
238294, 238355, E01B 934, E01B 946, E01B 962
Patent
active
045139121
ABSTRACT:
To hold a railway rail down on a support member, a device is employed having a first part driven into a vertical hole in the support member, a second part having a sideways projection, part of which lies vertically below a part of the support member, to one side of the bottom of the hole, and third, fourth and fifth parts forming an arch above the support member. A fulcrum portion of the first part co-operates with the wall of the hole during the driving operation to form a pivot about which said device rocks to cause the above-mentioned part of the projection to come under the above-mentioned part of the support member. From the lower extremity of the fifth part, i.e. the side of the arch which is further from the first part of the device, there extend sixth and seventh parts of the device, the sixth part sideways and the seventh part downwardly. A portion of a clip is driven under the arch and presses upwardly on it, another portion of the clip bears downwardly on the flange of the rail and a third portion bears downwardly on the sixth part of said device.
REFERENCES:
patent: 2380991 (1945-08-01), Payne
patent: 2387009 (1945-10-01), Clarkson
patent: 2450559 (1948-10-01), Parsons
patent: 3004716 (1961-10-01), Pande-Rolfsen
patent: 3297253 (1967-01-01), Astley et al.
patent: 3326466 (1967-06-01), Sanson
patent: 4073435 (1973-02-01), Miller
patent: 4307837 (1981-12-01), Leingang
patent: 4349151 (1982-09-01), Schumaker
Pandrol Internation Brochure, Dec. 5, 1980, Track Fastening Systems, 17 pages.
Beltran Howard
Holler Norbert P.
Lewen Bert J.
Pandrol Ltd.
Reeves Robert B.
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