Finger joint cutter head

Details Finger joint cutter head Finger joint cutter head

1990-02-09

1991-04-09

Bray, W. Donald

Woodworking

Rotary cutter

Having slotted bit seat

144 36, 144 90A, 144231, B27G 1300

Patent

active

050056190

ABSTRACT:
A combination finger joint cutter head having a pair of adjustable cutter assemblies, that cut a plurality of finger joints in an end of a wood piece, and a pair of adjustable trim knives, wherein a single adjusting means extends or retracts the pair of knives, thereby changing the finger joint length slightly to either loosen or tighten the joint.

REFERENCES:
patent: 362625 (1887-05-01), Hewit
patent: 1099880 (1914-06-01), Kendall
patent: 1265501 (1918-05-01), Payzant
patent: 1903002 (1933-03-01), Johnson
patent: 2449605 (1948-09-01), Kelton
patent: 3807096 (1974-04-01), Tackett
patent: 3951189 (1976-04-01), Cromeens

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