Patent ID: 8276475
Filing Date: 2012-10-02
Classification: B23P,F16H,Y10T

Abstract:
1. A part assembling apparatus comprising: a base unit; a plurality of assembling portions disposed on the base unit, wherein each of the assembling portions includes at least one nut runner for assembling a part to an assembling target; and a screw shaft disposed on the base unit, the screw shaft including a thread portion; wherein a first subset of the plurality of assembling portions each include a nut portion threadedly engaged with the thread portion, the nut portions being movable in an axial direction of the screw shaft such that each of the first subset of the plurality of assembling portions is movable in a first direction along the base unit, said first direction along the base unit being the axial direction of the screw shaft, a second subset of the plurality of assembling portions is provided separate from the screw shaft and the thread portion so as to be stationarily disposed on the base unit in the first direction, and the thread portion includes a first thread part having a first pitch and a second thread part having a second pitch different from the first pitch.