B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1163
B29C 33/42 (2006.01) F16H 25/22 (2006.01)
Patent
CA 1154224
C-3151 D-3,493 MANUFACTURE OF BALL NUT WITH INTERNAL CROSSOVER PATH FOR BALL RECIRCULATION Abstract of the Disclosure: A ball nut and screw assembly is provided with a molded internal return system for a train of balls drivingly interconnecting the nut and screw. A ball nut with an internal crossover is used as a master mold to produce an imprint mold which positively profiles the helical groove and the cross of the master mold. The imprint mold is positioned in a blank nut and a thermal set resin is supplied to radial openings formed in the blank nut which subsequently hardens into a plug with an internal crossover channel like that of the master mold.
352327
General Motors Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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