A gear housing for an electric power steering device has a front-side housing and a rear-side housing. The front-side housing has a worm wheel housing portion, a worm housing portion, and reinforcing ribs. The worm wheel housing portion has a worm wheel cylindrical portion and a ring shaped worm wheel bottom portion bent inward in a radial direction from a front end portion of the worm wheel cylindrical portion. The worm housing portion is provided on a part in a circumferential direction of an outer-diameter side portion of the worm wheel housing portion. The reinforcing ribs are provided on a front side surface of the front-side housing, extend in a direction in which an engagement reaction force acts between the worm wheel and a worm of the worm shaft, and span between the worm housing portion and the worm wheel bottom portion.
GEAR HOUSING FOR ELECTRIC POWER STEERING DEVICE, MANUFACTURING METHOD THEREOF, AND ELECTRIC POWER STEERING DEVICE
2020-08-13
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
Europäisches Patentamt | 2019
|Europäisches Patentamt | 2022
|Europäisches Patentamt | 2022
|Europäisches Patentamt | 2019
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