Reduction gear unit

Details Reduction gear unit Reduction gear unit

1988-04-12

1989-07-04

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74804, F16H 128

Patent

active

048439193

ABSTRACT:
A reduction gear unit which comprises a housing, an input shaft rotatably supported in the housing, an eccentric cam member integrally fixed on the input shaft, an idler gear rotatably provided around the eccentric cam member, and a drive plate member provided integrally with an output shaft member, the drive plate member being rotatably supported in a coaxial relation with the input shaft. The idler gear is formed with a first and second external teeth in such a manner that the first external teeth are partly meshed with an internally toothed portion formed in the housing, and the second external teeth are partly meshed with an internally toothed portion formed in the drive plate member. Thus, an input rotation force is reduced in a tow-fold way and transmitted in a coaxial manner.

REFERENCES:
patent: 2250259 (1941-07-01), Foote
patent: 3429393 (1969-02-01), Lorence
patent: 3955445 (1976-05-01), Osterwalder
patent: 4014224 (1977-03-01), Pitts
patent: 4016780 (1977-04-01), Baranyl
patent: 4386540 (1983-06-01), Skaggs
patent: 4604916 (1986-08-01), Distin

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