B - Operations – Transporting – 21 – K
Patent
B - Operations, Transporting
21
K
26/175
B21K 21/08 (2006.01) B21D 17/02 (2006.01) B21D 53/84 (2006.01) B21K 1/76 (2006.01) F16D 3/205 (2006.01)
Patent
CA 1174446
D-4,645 C-3296 METHOD OF MANUFACTURING UNIVERSAL JOINT HOUSING Abstract of the Disclosure: A housing for a tri-pot universal joint is manufactured from a tube blank which is cold formed in a two-step indenting process. The indenting process forms the middle of the tube into a tri-lobal section for broaching internal drive tracks while leaving the end portions sufficiently intact to provide circular bands at each end by subsequent machining operations. A closure is attached to the band at one end and the band at the other end is used to mount a conventional boot. A machine having a cam die arrangement suitable for indenting the tube blank is also disclosed.
387339
Speer William B.
Welch Mack D.
General Motors Corporation
Gowling Lafleur Henderson Llp
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