Method for machining clutch gear for automobile transmission

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4672729
SERIAL NO

06659910

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Abstract

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A method for machining a clutch gear for the transmission of an automobile which comprises forming a generally round annular bar made of malleable material in a cold forging or hot forging, urging the generally round annular bar against a die to form a final predetermined dimensional cross section and a chamfer projection simultaneously, fine blanking the chamfer projection into a tooth form and pushing the tooth form into a die from an end surface opposite the chamfer projection to form an inverted taper on the tooth form which prevents disengagement of the clutch.

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Patent Owner(s)

Patent OwnerAddress
O-OKA FORGE CO LTDNAGOYA-SHI AICHI-PREF

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoguchi, Tetsuya Toyota, JP 4 34
Morita, Shigeru Toyota, JP 91 967

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