Rotary reversible indexing mechanism

Details Rotary reversible indexing mechanism Rotary reversible indexing mechanism

1983-12-05

1989-01-10

Rivell, John

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74394, F16H 3712

Patent

active

047964774

ABSTRACT:
An intermittent reversible indexing system having a rotary input and a rotary output with variable kinematic characteristics including an epicycloidal drive with dwell characteristics. A planetary carrier carrying a single planetary gear is driven about a first axis with the planetary gear in mesh with a stationary reaction gear concentric about said first axis. A drive member in the form of a shaft eccentric to the axis of the planetary engages and slides in a slot of an output member, thereby driving an output member about a second axis displaced from said first axis. The reaction gear is mounted for oscillation and a mechanism for oscillating the reaction gear is driven by an input power means which also drives the planetary carrier. A crank and lever mechanism or a simple cam mechanism can be used to oscillate the reaction gear in response to the input power means.

REFERENCES:
patent: 2655817 (1953-10-01), Armelin
patent: 2748616 (1956-06-01), Foster et al.
patent: 3426609 (1969-02-01), Princz et al.
patent: 3603168 (1971-09-01), Kaplan
patent: 3960024 (1976-06-01), Mori et al.
patent: 4018090 (1977-04-01), Brems
patent: 4089228 (1978-05-01), Obra

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