04070927 is referenced by 274 patents and cites 4 patents.

A planetary gearing arrangement having a plurality of interconnected planetary gear sets controlled by friction drive establishing devices such as clutches and brakes for selectively establishing a plurality of forward drive ratios and a reverse drive ratio. The number of forward drive ratios available is one greater than the number of friction drive establishing devices. Each ratio change between the forward drives is accomplished by a single transition interchange of the friction drive establishing devices.

Title
Planetary gearing arrangement for a transmission
Application Number
5/692970
Publication Number
4070927
Application Date
June 4, 1976
Publication Date
January 31, 1978
Inventor
James C Polak
Indianapolis
IN, US
Agent
Donald F Scherer
Assignee
General Motors Corporation
MI, US
IPC
F16H 57/10
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