F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
305/63, 64/21.3
F16D 1/06 (2006.01) B62D 55/205 (2006.01) F16C 11/04 (2006.01) F16J 15/34 (2006.01)
Patent
CA 1116881
CARTRIDGE-TYPE PIVOTAL PIN AND BUSHING JOINT ABSTRACT OF THE DISCLOSURE This improved cartridge-type pivotal pin and bushing joint comprises a cylindrical pin having a large, hollow metal cylinder concentrically disposed thereon intermediate the extremities thereof and a plurality of preloaded, spaced, dry, self-lubricated cylindrical bushings between the pin and cylinder at least adjacent the extremities of the cylinder. Dry, self-lubricated annular thrust bearings axe concentrically mounted on the pin adjacent the extremities of the cylinder and thrust- controlling annular retainers are immovably press-fitted on the pin axially exterior to and abutting the thrust bearings so as to compressibly preload the same. The retainers have rounded or chamfered edges to facilitate press-fitting and seal-receiving annular grooves radially outwardly of the outer radial extremity of the thrust bearings, the open end of each of the grooves being dis- posed towards the end of the cylinder. Resilient seals are disposed in the grooves to sealingly engaged end portions of the cylinder. The self-lubricated cylindrical bushings may be metal-backed and the retainers may be manufactured with wall portions forming a primary seal.
335448
Granda Gerald L.
Smart & Biggar
LandOfFree
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