Railways: surface track – Fastenings – Clamps
Patent
1977-07-20
1979-03-13
Sheridan, Robert G.
Railways: surface track
Fastenings
Clamps
238265, 238338, 238341, 238360, E01B 930, E01B 934, E01B 948
Patent
active
041438183
ABSTRACT:
A rail fastening apparatus for cooperation with a rail which is supported on and extends transversely across a tie. The apparatus comprising a steel support positioned adjacent one side of the rail and having a leg portion which is buried in the tie and an upper portion which projects upwardly above the tie. A lever is pivotally supported on the upper portion for swinging movement about an axis which extends substantially parallel with the longitudinally extending direction of the rail. The lever has a cam associated therewith. A spring-receiver structure is mounted on the tie and positioned on the opposite side of the axis from the rail, and an elongated plate-like spring extends between the spring-receiver structure and the rail. The spring has one end supported on the spring-receiver structure and the other end supported on a flange of the rail. The spring is disposed below the lever and positioned so that the cam is adapted for engaging a central portion of the spring, whereby rotation of the lever causes the cam to engage the spring and resiliently deflect same downwardly to thereby press the rail securely against the tie.
REFERENCES:
patent: 670495 (1901-03-01), Harrell
patent: 1811016 (1931-06-01), Kumamoto
patent: 1863039 (1932-06-01), Chandler
patent: 1998043 (1935-04-01), Boyd et al.
patent: 2350819 (1944-06-01), Retterath
patent: 2638276 (1953-05-01), Stamm
patent: 3887128 (1975-06-01), Ruble
Matsubara Kentaro
Matsuo Yoshio
Reese Randolph A.
Sheridan Robert G.
Tetsudo Kizai Kogyo Company Limited
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