Rotatable operating lever locking device

Details Rotatable operating lever locking device Rotatable operating lever locking device

1979-06-21

1981-02-24

Husar, C. J.

Machine element or mechanism

Control lever and linkage systems

Elements

188 67, 188 727, G05G 522

Patent

active

042520320

ABSTRACT:
A locking device includes an annular locking face formed on the inner surface of a casing and an annular lockable face opposed to the locking face and provided on a driven member turnably mounted on the casing. The lockable face is movable into pressing contact with the locking face to lock a lever when the lever is rotated and thereby screwed in toward one direction longitudinally thereof. The locking face and the lockable face are operable free of any local uneven wear, while the lever can be locked to the desired position and unlocked therefrom with high reliability at all times.

REFERENCES:
patent: 2561546 (1951-07-01), Wallace
patent: 2655051 (1953-10-01), Finkl
patent: 3556270 (1971-01-01), Comment
patent: 3727482 (1973-04-01), Geer
patent: 3826156 (1974-07-01), Dornaus

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