Reversible transmission mechanism

Details Reversible transmission mechanism Reversible transmission mechanism

2007-01-09

2009-08-18

Estremsky, Sherry L (Department: 3655)

Machine element or mechanism

Gearing

Interchangeably locked

C074S379000

Reexamination Certificate

active

07574936

ABSTRACT:
A reversible transmission mechanism includes an input member rotatable about a fixed shaft and having a bevel gear, a first shaft member rotatable about the fixed shaft and having a shaft portion extending perpendicular to the fixed shaft, and a second shaft member rotatable about the fixed shaft and rotationally fixed to the first shaft member. An output member is rotatably mounted around the second shaft member and has a bevel gear at one end thereof axially facing the bevel gear of the input member. A planetary bevel gear is rotatably mounted around the shaft portion of the first shaft member so as to mesh with the bevel gears of the input and output members. The second shaft member is selectively coupled to and uncoupled from the output member by a clutch. When the second shaft member is uncoupled from the output member, the rotation of the second shaft member is stopped by a brake.

REFERENCES:
patent: 2161702 (1939-06-01), Durig
patent: 2561104 (1951-07-01), Fawick
patent: 2990728 (1961-07-01), Grenier
patent: 4-039126 (1992-02-01), None

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