Gearing assembly

Details Gearing assembly Gearing assembly

1982-05-27

1985-04-30

Herrmann, Allan D.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74410, 74768, 74785, 291592, F16H 128, F16H 5700

Patent

active

045136378

ABSTRACT:
A high speed gearing assembly includes at least two interengaged composite gears having spur or single helical teeth. Each of the gears is formed of three annular gear parts which rotate about a common axis. The gear parts are juxtaposed in side by side relationship. The central part of each gear is offset relative to its adjacent end parts approximately one half a pitch length. Each end part is approximately one half the width of the central part. With a ratio of tooth engagement length to circular pitch length, i.e. the degree of overlap, of approximately 1.5, increased load capacity, steady running and reduced noise levels are attained.

REFERENCES:
patent: 1470947 (1923-10-01), Tyler
patent: 1632543 (1927-06-01), Fletcher, Jr. et al.
patent: 3008355 (1961-11-01), Grudin
patent: 3015973 (1962-01-01), Doerries
patent: 3213713 (1965-10-01), Sagara
patent: 3381548 (1968-05-01), Wolkenstein
patent: 3473416 (1969-10-01), Pope et al.
patent: 3633441 (1972-01-01), Hicks
patent: 3988942 (1976-11-01), Greiner
Brochure No. 9015 of Mssrs. BHS.

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