Patent ID: 9149898
Filing Date: 2015-10-06
Classification: B23P,F04B,Y10T

Abstract:
1. An assembling apparatus for inserting a piston into a cylinder bore formed in a cylinder block, comprising: piston holding means comprising a guide tube portion which contains the piston and guides the piston into the cylinder bore, and a support portion which supports said guide tube portion to be displaceable in a radial direction thereof; moving means for moving said piston holding means and the cylinder block so as to locate said piston holding means and the cylinder block at an insertion preparation position which is set in advance and which is where said guide tube portion and the cylinder bore are coaxial with each other; and pressing means for pressing the piston contained in said guide tube portion toward the cylinder block to insert the piston into the cylinder bore in a state in which said piston holding means and the cylinder block are located at the insertion preparation position, and said guide tube portion is supported by said support portion to be displaceable in the radial direction thereof, wherein said support portion comprises: an upper portion member; and a lower portion member which is supported to be displaceable against the upper portion member in the radial direction and to which said guide tube portion is fixed, and said assembling apparatus further comprises biasing members which are arranged between said upper portion member and said lower portion member so as to displace said lower portion member against said upper portion member in an inserting direction of the piston.