| 摘要 |
A power seat for a vehicle is provided with an upper channel fixedly attached to a seat, a lower channel fixedly attached to a floor of the vehicle, a nut unit fixedly attached to one of the upper channel and the lower channel, a driver shaft passing through the nut unit, a motor mounted on the other one of the upper channel and the lower channel, a transmission unit for transmitting a torque of the motor to the driver shaft. The nut unit includes a nut block having an internally threaded through hole through which the driver shaft passes, a holder having a front standing wall, a rear standing wall, and a coupling portion coupling the front standing wall and the rear standing wall so as to define a space for holding the nut block, each of the front standing wall and the rear standing wall having buttress walls projecting outward.
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