Patent ID: 9115704
Filing Date: 2015-08-25
Classification: B23P,F04B,Y10T

Abstract:
1. A method of assembling a shaft assembly having a plurality of pistons each installed on a swash plate via a pair of shoes matching with both end surfaces of the swash plate, respectively, the method comprising: supporting a shaft having the swash plate in a vertical axis posture; incorporating the shoes between a first guide surface of a guide member and each of the pistons and between a second guide surface of the guide member and a corresponding piston, wherein at least one of the guide surfaces comprises a groove, the groove comprising an elastic member disposed on a bottom surface of the groove and being elastically deformable in such a direction as to increase a groove depth, wherein one of the shoes is supplied to the groove with the groove depth reduced and inserted between the corresponding guide surface and a corresponding one of the pistons while elastically deforming the elastic member; guiding the plurality of pistons to the swash plate in the vertical axis posture using the guide member; and matching the shoes with both the end surfaces of the swash plate respectively while disposing the pistons at circumferentially equidistant positions of the swash plate, respectively.