Frame list cutting machine and a knife therefor

Details Frame list cutting machine and a knife therefor Frame list cutting machine and a knife therefor

1987-11-30

1989-05-23

Yost, Frank T.

Cutting

Tool or tool with support

Cutting couple type

83620, 83636, 83699, 83917, 83926H, 144217, B27G 500

Patent

active

048319104

ABSTRACT:
A list cutting machine for producing mitered frame list members an angular cutter head is used for providing a V-shaped overcutting of a supply frame list by two knives, which abut each other at the middle of the cutter head and project therefrom inclined both rearwardly and downwardly. Practice has shown that the innermost halves of the knives are subjected to wear, much more than the outer halves, but the knives cannot normally be turned for increased durability. However, a lifetime-increasing turning is possible when both of the knives are similarly shaped at both ends and are remounted mutually interchanged.

REFERENCES:
patent: 707734 (1902-08-01), Tyler
patent: 3046825 (1962-07-01), Thompson
patent: 4455904 (1984-06-01), Harner et al.

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