Coarse/fine adjustment of a rotary body

Details Coarse/fine adjustment of a rotary body Coarse/fine adjustment of a rotary body

1993-03-03

1994-11-22

Herrmann, Allan D.

Machine element or mechanism

Gearing

Directly cooperating gears

74 105, 748101, 108139, 359392, 359394, F16H 116

Patent

active

053658019

ABSTRACT:
A coarse/fine adjustment of a rotary body, comprising: a worm wheel fitted to a rotary shaft of a rotary body; a worm meshing with the worm wheel and having a first screw; a rotary driving shaft having a second screw engaging with the first screw and rotated by a manipulation member and a switching means for effecting a switchover to rotationally or rectilinearly move the worm engaging with the rotary driving shaft. The worm is biased by a biasing means to mesh with the worm wheel while keeping a thrust state.

REFERENCES:
patent: 2914952 (1959-12-01), Frischmann
patent: 3019707 (1962-02-01), Straat

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