Patent ID: 8303273

Claim:
A linear compressor, comprising: a fixed member including a cylinder for providing a refrigerant compression space; a movable member including a piston for compressing refrigerant inside the cylinder, a center portion, and a supporter extended from the center portion in a radial direction of the piston so as to perform a linear reciprocating motion about the fixed member; a plurality of front mainsprings arranged symmetrically about the piston and each having a first end supported on a front side of the supporter and a second end supported on the fixed member; a single rear mainspring having a first end supported on a rear side of the support of the supporter and a second end supported on the fixed member; a plurality of mass members coupled to a rear side of the supporter and being positioned a predetermined distance from an outer circumference of the rear mainspring; and a spring guider positioned between the supporter and the rear mainspring, wherein the spring guider has a plurality of cavities formed on a circumferential portion thereof.