Rail flange securement clamp

Railway switches and signals – Switches – Chairs and plates

Patent

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Details

238338, E01B 700

Patent

active

055823718

ABSTRACT:
A rail flange securement clamp for adjustably mounting a switch point roller assist apparatus on a railroad rail includes a base plate and a top plate, the top plate generally upwardly spaced from the base plate and an adjustable connection device extending between and connecting the base plate and top plate for increasing and decreasing the distance between the base plate and top plate. A rail flange engagement plate having a base section and a rail flange engagement section is adjustably mounted on the securement clamp above the top plate such that the base section is mounted above the top plate and the rail flange engagement section extends outwardly from the top plate for engagement of a flange of a railroad rail thus securing a switch point roller assist apparatus on the railroad rail.

REFERENCES:
patent: 726613 (1903-04-01), Anderson
patent: 1455996 (1923-05-01), Einstein
patent: 1965803 (1934-07-01), Post et al.
patent: 2009309 (1935-07-01), Davies et al.
patent: 2177148 (1939-10-01), Newhall
patent: 2471357 (1949-05-01), Smith
patent: 2533929 (1950-12-01), Gray et al.
patent: 3952481 (1976-04-01), Albertsen
patent: 4059054 (1977-11-01), Alimanestianu et al.
patent: 4327865 (1982-05-01), Greene
patent: 5390881 (1995-02-01), Benenowski et al.

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