Patent ID: 6338285
Filing Date: 2002-01-15
Classification: F16H,Y10T

Abstract:
A feed screw device comprising:a screw shaft; a nut member threadably engaging an outer periphery of said screw shaft; a ring shaped lubricant supply device having an inner periphery surface and an outer periphery surface wherein said lubricant supply device is fixed to said nut member, said lubricant supply device coming in contact with the outer periphery of said screw shaft, said lubricant supply device having a predetermined elasticity, said lubricant supply device having a cutting portion extending through said lubricant supply device from the inner periphery surface of said lubricant supply device to the outer periphery surface of said lubricant supply device; and a deforming member which deforms at least the outer periphery of said lubricant supply device in the circumferential direction and the inner periphery of said lubricant supply device to press the inner periphery of said lubricant supply device against an outer periphery of said screw shaft, wherein at least a portion of said lubricant supply device facing said screw shaft is made of rubber or synthetic resin containing a lubricant.