System for replacing feedroll inserts

Details System for replacing feedroll inserts System for replacing feedroll inserts

1988-12-12

1990-02-20

Bray, W. Donald

Woodworking

Rotary cutter

Having slotted bit seat

144218, 144246R, 144246F, 198624, 198692, B27G 1300

Patent

active

049017780

ABSTRACT:
A system is provided for installing, retaining and replacing the saw-teeth strip inserts of rotatable, cylindrical feedrolls, without concomitant damage thereto. More specifically, a plurality of circumferentially spaced, longitudinally extending grooves are formed in the body of the feedroll. Each groove is adapted to receive a pair of spaced, parallel saw-teeth strip inserts and maintain them at a predetermined position therein. A wedge is insertable into the groove between the inserts. The wedge is adapted to abut the lower portion of the inserts to clamp them against the groove side walls. A plurality of fasteners, such as allen head screws, are inserted through spaced, aligned bores formed in the wedge and are secured in the groove floor. The fasteners function to releasably secure the saw-teeth strips and wedge within the groove.

REFERENCES:
patent: 87985 (1869-03-01), Stephens
patent: 133775 (1872-10-01), Hale
patent: 447900 (1891-03-01), Pallen
patent: 1960319 (1934-05-01), Severson
patent: 2407921 (1946-09-01), Deliso
patent: 2810189 (1957-10-01), See et al.
patent: 3014511 (1961-12-01), Kirsten
patent: 4743307 (1988-05-01), Mason

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