Contoured cable roller

Details Contoured cable roller Contoured cable roller

1980-04-03

1981-10-27

Jillions, John M.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

254327, B66D 136

Patent

active

042969174

ABSTRACT:
A log skidder (10) has a fairlead (26) with a main guide roller (54) having a special contoured surface (60) to prevent grooving of the surface of the guide roller (54), to prolong cable life, and to assist in evenly winding the cable (32) on a winch drum (33). The special contoured surface (60) of the guide roller (54) includes a pair of shaped or rounded shoulders (68) at the side extremes which are aligned with the side rollers (44,46) in a way that a cable (32) passing over the main guide roller (54) in contact with one of the side rollers (44,46) receives a downward and inward centering force component which moves the cable (32) toward the midportion of the main guide roller (54).

REFERENCES:
patent: 2292882 (1942-08-01), Langdon
patent: 3498488 (1970-03-01), Wildey et al.
patent: 3515297 (1970-06-01), Symons
patent: 3576266 (1971-04-01), Wildey
patent: 3739928 (1973-06-01), Randall
patent: 3830507 (1974-08-01), Johnson
patent: 3976210 (1976-08-01), Allen

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