Implements or apparatus for applying pushing or pulling force – Rail or tie shafter
Patent
1988-09-28
1989-10-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Rail or tie shafter
E01B 2922
Patent
active
048726460
ABSTRACT:
Apparatus for removing a railroad tie from under conventional railroad tracks and inserting a replacement tie into the vacated tie position, including a base insertable below a conventional railroad track on either side of a tie to be removed, a shaft transversely positioned and rotatably mounted on the base and spaced above the base, a cable residing on the shaft having a first end secured to the shaft and having a remaining end loose for converting rotation of the shaft tensile force along the direction of extension of the cable, a clamp connected to the base for releasably engaging the rail below the operating surface, a lever for rotating the shaft, a ratchet for connecting the lever with the shaft for shaft rotation in a first direction and allowing lever rotation in an opposite angular direction without the shaft rotating and an attachment device for attaching the cable to an end of the railroad tie to be removed from or inserted under the railroad track.
REFERENCES:
patent: 1081162 (1913-12-01), Smith
patent: 1431710 (1922-10-01), Uno
patent: 1985768 (1934-12-01), Drake
patent: 2133851 (1938-10-01), Denton
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