F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/244
F16H 55/36 (2006.01)
Patent
CA 1205657
RUBBER-LAGGED SHEAVE Abstract A pulley or sheave that is lagged with rubber or rubber-like material, having two disc-like members which are disposed broadside to each other and secured together to form an annular groove for receiving and guiding a strand of material. At their centers, the members have bearing means to accommodate a spindle. In the annular groove for the strand of material the members have op- positely disposed wall portions characterized by re- entrant side walls. A wear strip of relatively soft resilient material, such as rubber, having an elongate rib occupies the annular groove, the rib being accom- modated in and frictionally seized by the re-entrant side walls. The wear strip has abutted ends, and pre- sents an annular exterior space for engagement with the strand of material that is being handled. The advantage of the present construction over the devices of the prior art is that low-cost plastic and rubber materials can be employed for the most part, whereby a corrosion- resistant, inexpensive but sturdy and high-quality con- struction is realized. In addition, assembly is facili- tated, and replacement of the wear strip can be readily accomplished by unskilled personnel, with no special tools being required.
433939
Smart & Biggar
Wyrepak Industries Inc.
LandOfFree
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