One-way gear

Details One-way gear One-way gear

1988-10-03

1990-03-27

Herrmann, Allan D.

Machine element or mechanism

Gearing

Teeth

74437, 188 821, F16H 5502, F16H 5508

Patent

active

049110322

ABSTRACT:
A modified gear operates in one direction only. The modified gear can be driven in either direction by a standard gear, but will drive another gear in only one direction. Every other tooth of the modified gear is partly cut away to form a step. The remaining sides are cut away to delay engagement with a driven gear. The sides of the teeth preferably have the shape of an involute curve, and each tooth is preferably cut along a line segment beginning at the midpoint of the top land of the tooth, and continuing along a path generally parallel to one side of the tooth. The step is located at a predetermined radial distance from the top land, this distance being a certain fraction of the total depth of the tooth. The modified gear can be used to drive, or be driven by, a conventional unmodified gear. It can also drive, or be driven by, another gear which has been modified in the manner described above.

REFERENCES:
patent: 466923 (1892-01-01), Price
patent: 2399925 (1946-05-01), Hewlett
patent: 2436231 (1948-02-01), Schellens
patent: 3206997 (1965-09-01), Hardy
patent: 4041794 (1977-08-01), Belot
patent: 4051744 (1977-10-01), Oshima
patent: 4108016 (1978-08-01), Muranishi
patent: 4200000 (1980-04-01), Fluehmann
patent: 4207777 (1980-06-01), Fluehmann
patent: 4223528 (1980-09-01), Vuilleumier
patent: 4321839 (1982-03-01), Vuilleumier
patent: 4653340 (1987-03-01), La Bate

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