Two gear train reduction mechanism

Details Two gear train reduction mechanism Two gear train reduction mechanism

1977-11-15

1980-03-11

Wayner, William E.

Machine element or mechanism

Gearing

Pivotally supported

74405, F16H 3500

Patent

active

041921984

ABSTRACT:
This invention relates to a reduction mechanism including two gear trains, of different speed reductions, for rotating one cam, both gear trains having different input gears but a same output gear, said input gears being rotatable by a step-up gear mounted on a pivotable lever and rotatable by a driving pinion coupled to a motor, a second pivotable lever having followers responsive to ramp means provided on said cam for suddenly pivoting said first lever through a spring linked to said two levers and thus moving said step-up gear into engagement with the input gear of one or the other of said two gear trains.

REFERENCES:
patent: 2642756 (1953-06-01), Cummings
patent: 4034619 (1977-07-01), Seregni

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