Control cable adjustment device

Details Control cable adjustment device Control cable adjustment device

1996-04-16

1997-10-07

Schoeppel, Roger J.

Endless belt power transmission systems or components

Control for variable input to output speed-ratio

Including belt shiftable axially from one to another surface...

745024, 745025, F16H 5900

Patent

active

056741421

ABSTRACT:
An improved two piece control cable adjustment device for offsetting a change of relative length between the outer sheath and control wire of a control cable operatively linking a control mechanism such as a bicycle shifter or brake lever to an operating mechanism such as a derailleur or brake. The adjustment device includes an adjuster nut having a threaded bore cooperating with a mounting member threaded shaft and an indexing mechanism achieved by the relative elastic deformation of rotatably engaging protrusions and/or detents circumferentially formed on the cooperating adjuster nut and mounting member thereby enabling riders to sense each increment of stepped adjustment. The adjuster nut is configured to protectively enclose both the cooperating threads and engaging portion of the protrusions and detents from environmental exposure thereby preventing the trapping of external particles in the threads, a primary concern for use in the harsh mud and dirt environment common to off-road biking, and in turn preventing the premature wear and replacement of parts.

REFERENCES:
patent: 3546962 (1970-12-01), Ruhala
patent: 3580102 (1971-05-01), Wrabetz et al.
patent: 4198873 (1980-04-01), Nagano
patent: 4334438 (1982-06-01), Mochida
patent: 4543849 (1985-10-01), Yamamoto et al.
patent: 4721495 (1988-01-01), Kan et al.
patent: 4833937 (1989-05-01), Nagano
patent: 5279179 (1994-01-01), Yoshigai
patent: 5607367 (1997-03-01), Patterson

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