Gear train speed changing transmission

Details Gear train speed changing transmission Gear train speed changing transmission

1975-05-09

1976-11-30

Vrablik, John J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74799, 188 77W, F16H 344, F16H 5710, F16D 5100

Patent

active

039941868

ABSTRACT:
The gear train speed changing transmission for transmitting rotation from an input member to an output member comprises planet gears carried at the distal end portion of the input member for planetary rotation and connected together for conjoined rotation about their respective axes, at least one of the planet gears being in mesh with a reaction gear and at least one planet gear being in mesh with a gear carried by the output member. The transmission also includes a coil spring brake means disposed to coact with the reaction gear to selectively prevent or permit rotation of the gear.
In a more limited aspect of the invention the transmission has two or more gear trains interconnecting the input member with the output member and wherein each train includes a reaction gear and a brake means for selecting which gear train rotary transmission is to be effected.

REFERENCES:
patent: 6755 (1849-10-01), Chapin
patent: 1968810 (1934-08-01), Dixon
patent: 2388699 (1945-11-01), Morrill
patent: 2886985 (1959-05-01), Meyer
patent: 2953944 (1960-09-01), Sundt

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