F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
254/53
F16H 55/46 (2006.01) B60B 19/00 (2006.01)
Patent
CA 1204103
LOW-FRICTION THIN-HUB PLASTIC MULTI-PART SHEAVE Abstract A low-friction thin-hub plastic multi-part sheave for handling wire, having two joined disc-like members with conical rim portions which together form a V-groove for the wire. The members have apertured central hub portions provided with facing shoulders that engage co- operable, oppositely-facing shoulders on the outer race member of an anti-friction bearing assemblage, to hold the latter captive between the disc-like members. The central hub portions and anti-friction bearing assemblage have respective, oppositely facing, parallel exposed side surfaces which are flush and disposed in spaced- apart parallel planes, making for a thin hub assemblage. the cooperable, oppositely-facing shoulders are prefer- ably conical. The disc-like members have large, shallow circular recesses in their exposed sides. The advantage of the present construction over the devices of the pri- or art is that by cutting off a rim portion of one disc- like member, it can nest in the recess of an adjoining, similar but un-cut disc-like member so that a plurality of sheaves with cut rim portions can be mounted in tan- dem on a common shaft, thus requiring considerably less space.
434801
Smart & Biggar
Wyrepak Industries Inc.
LandOfFree
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