Worm gear mechanism

Details Worm gear mechanism Worm gear mechanism

1981-05-22

1984-10-23

Staab, Lawrence J.

Machine element or mechanism

Gearing

Directly cooperating gears

74457, 74458, 744248R, 744245, 744246, 74 8914, 74 8915, F16H 116, F16H 120, F16H 118, F16H 2702

Patent

active

044781032

ABSTRACT:
A worm (10) and worm gear (12) mechanism in which the gear (12), in addition to its gear teeth (20), also has a helical thread (22) formed thereon. The helical thread (11) of the worm (10) conventionally meshes with the gear teeth (20) of the worm gear (12), rotation of the worm (10) causing a corresponding rotation of the gear (12). The gear (12) is fitted in a threaded hole (21) so that, as it is rotated by the worm (10), it is also caused to move along its longitudinal axis within the hole (21).

REFERENCES:
patent: 2453656 (1948-11-01), Bullard
patent: 2512696 (1946-05-01), Tappert
patent: 2625218 (1953-01-01), Nihon
patent: 2666334 (1954-01-01), Nalle
patent: 3572140 (1971-03-01), Gulick
patent: 3824420 (1974-07-01), Stegeman et al.
patent: 3851537 (1974-12-01), Nickstadt

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