Chain tightener

Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible... – Including expansible chamber fluid motor drive

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Details

24 68CT, 254 93R, B25B 2500, B66F 324

Patent

active

047687533

ABSTRACT:
A chain tightener to tighten chains on a tractor or vehicle tire. The tightener comprises first and second spreader members, a frame consisting of a base portion and a longitudinal member extending between the base portion and the first spreader member. A longitudinal reinforcement member is mounted between the first spreader member and the base portion of the frame. The second spreader member reciprocates on the longitudinal member. A hydraulic cylinder is mounted and exerts force between the second spreader member and the base portion of the frame.

REFERENCES:
patent: 2100564 (1937-11-01), Mandl et al.
patent: 2383061 (1945-08-01), Johnson
patent: 3016603 (1962-01-01), Rutland
patent: 3150859 (1964-09-01), Payne
patent: 3411748 (1968-11-01), Fortune
patent: 3946988 (1976-03-01), Kehren
patent: 4157171 (1979-06-01), Hassel.ang.s
patent: 4201367 (1980-05-01), Konen

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