Patent ID: 7802512

Claim:
An assembly structure of a drive shaft and a swash plate in a swash plate type compressor comprising a housing, a cylinder block having a plurality of cylinder bores, a drive shaft rotatably supported by the cylinder block or the housing, a swash plate installed at the drive shaft to vary its tilt angle with respect to the drive shaft, and pistons reciprocally accommodated in the cylinder bores, characterized in that the assembly structure comprises: a swash plate tilt support pin fixedly installed at the drive shaft to cross the drive shaft; a hinge coupling groove formed in the swash plate to be rotatably coupled to a tip of the swash plate tilt support pin in a tilted manner, and a swash plate support means formed in the swash plate to support the drive shaft, wherein the swash plate has a through-hole larger than an outer diameter of the drive shaft, a swash plate idling prevention pin is fixedly installed at an inner periphery of the swash plate opposite to the hinge coupling groove to extend in a radial inward direction to constitute the swash plate support means, and a movement guide groove is formed in an outer periphery of the drive shaft to guide axial movement of an end of the swash plate idling prevention pin.