Patent ID: 9400047
Filing Date: 2016-07-26
CPC Classification: F16C,F16H,Y10T

Claim Text:
1. A cartridge assembly for use in conjunction with a linear motion guided screw assembly, the cartridge assembly comprising: a) a cylindrical housing having an axial bore, at least a portion of said bore being defined by a threaded surface configured to engage a screw shaft; b) at least one bearing disposed in the axial bore of the housing; c) at least one retainer ring disposed in the axial bore of the housing; and, d) a cylindrical lubricant block disposed in the axial bore of the housing, said lubricant block being fabricated from a microporous polymer which is impregnated with a lubricant oil, and shaped as a ring having a smooth inner surface disposed to contact only a major diameter of the guide screw.