Method for splining and flanging thin-walled members

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United States of America Patent

PATENT NO 4741191
SERIAL NO

07019364

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for forming a power transmission member (42) from a thin-walled blank. The apparatus (10, 110, 210) comprises a pair of opposed toothed dies (26, 30; 112, 114; 138, 140). Initial opposed movement of dies (112, 114; 138, 140) from a loading position simultaneously engages opposing pairs of similar rough forming teeth (124, 126, 128) and mandrel teeth (48) with a sleeve portion (46) therebetween, rough forming splines therein. The dies (112, 114; 138, 140) are then moved in the reverse direction, simultaneously engaging opposed pairs of similar finishing teeth (130, 132) and the mandrel teeth (48) with the sleeve (46) therebetween to finish forming the splines (64) therein. Opposed rows of raised synchronizing teeth (142) respectively extend along the toothed work surfaces of the dies and mandrel and are spaced inwardly therefrom, meshing together to rotate the mandrel and coordinate the relative movement of the dies and mandrel during a splining operation.

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Patent Owner(s)

Patent OwnerAddress
ANDERSON-COOK INCFRASER MICHIGAN 48026

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Carl E Mt. Clemens, MI 32 432
Killop, James T Warren, MI 20 92

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