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Primary Examiner: Schroeder, Werner H.
Assistant Examiner: Falik, Andrew M.
Attorney: Finnegan, Henderson, Farabow, Garrett & Dunner

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Title: Automatic transmission casing

Abstract: An automatic transmission for vehicles including a fluid torque converter, a change-over gear mechanism, and an oil pressure control means, wherein the oil pressure control means is substantially composed of a grooved portion formed integrally with the housing of the transmission, a first valve body means adapted to engage a first part of the grooved portion and providing a manual shift valve, and a second valve body means adapted to engage a second part of the grooved portion and providing other hydraulically operated control valves.

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Other info:

Inventors: Morisawa, Kunio (Toyota, JP)
Kyushima, Tatsuo (Toyota, JP)

Application Number: 912838
Filing Date: 1978-06-05
Publication_date: 1980-10-07
Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha (Toyota, JP)
Primary Class(es): 74/606R
Other Classes:
US Patent Ref:

3263521	Aug, 1966	Muller	74/606.
3703107	Nov, 1972	Piret	74/606.
3745854	Jul, 1973	Haag et al.	74/606.
4083266	Apr, 1978	Kneitzberg	74/606.

Other Refs: Other References: Stockel, M. W., Auto Mechanics Fundamentals, The Goodheart-Willcox Co., Inc., 1969, Chapter 12, p. 242.