Pulley retention mechanism

Details Pulley retention mechanism Pulley retention mechanism

1992-08-10

1994-01-04

Bui, Thuy M.

Endless belt power transmission systems or components

Particular connection between hub and shaft

F16H 5530

Patent

active

052755770

ABSTRACT:
An improved mechanism for retaining a pulley on a motor shaft is disclosed wherein the shaft has a circumferential groove formed near its end and the pulley has a hub to engage the shaft with a plurality of flexible fingers formed around and extending outward from the hub. The fingers have a pawl disposed to drop into the circumferential groove on the shaft and thereby secure the pulley in place. The pawls can be of various configurations so as to both align properly with the groove and to accommodate tolerance in the shaft assembly. The shaft also has splines formed thereon proximate to the groove that matingly engage corresponding keyways formed inside the pulley hub so that the shaft positively mates with the pulley.

REFERENCES:
patent: 1909500 (1933-05-01), Ornitz
patent: 4509381 (1985-04-01), Ikemoto et al.
patent: 4998905 (1991-03-01), Martin

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