Drive sprocket for chain saws

Details Drive sprocket for chain saws Drive sprocket for chain saws

1990-07-17

1991-06-04

Bui, Thuy M.

Endless belt power transmission systems or components

Positive drive pulley or guide roll

474156, F16H 5530

Patent

active

050210335

ABSTRACT:
A closed rim-type drive sprocket for chain saws, comprising two axially spaced plates for supporting the side links of a saw chain, a gear surface disposed between the lateral plates. The gear surface comprises circumferentially spaced teeth forming gullets therebetween. Bottoms of the gullets are inclined by an acute angle greater than 20 degrees relative to the rotary axis to force particles entering the gullets to be displaced toward openings formed in one of the plates.

REFERENCES:
patent: 3163052 (1964-12-01), Oehrli et al.
patent: 3498346 (1970-03-01), Gasner et al.
patent: 3542096 (1970-11-01), Oehrli
patent: 3683980 (1972-08-01), Gasner

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