Saw blade for power operated saw

Details Saw blade for power operated saw Saw blade for power operated saw

1987-10-06

1990-12-25

Yost, Frank T.

Cutlery

Cutting tools

Saw

30392, 83746, 83835, B23D 4910

Patent

active

049793055

ABSTRACT:
A sawing apparatus includes a guide and a pair of oppositely reciprocable saw blades mounted in a groove of the guide. Mounting portions of the saw blades disposed within the groove slidingly engage one another within an interface plane. Each saw blade includes a cutting portion disposed outside of the groove and carrying outwardly set teeth and inwardly set teeth. The inwardly set teeth extend toward and beyond the interface plane. Feed forces can be applied from the guide to the saw blades by inclined end edges of plates which form the guide. The end edges are inclined obliquely so as to face away from the interface plane and engage correspondingly inclined surfaces of the saw blades. Alternatively, feed forces can be applied to back shoulders of the mounting portions of the saw blades by a member which extends between the guide plates within the groove.

REFERENCES:
patent: 1491134 (1924-04-01), De Northall
patent: 1537980 (1925-05-01), Asselin
patent: 1838125 (1931-12-01), Wirtz
patent: 2534001 (1950-12-01), Couse
patent: 2840125 (1958-06-01), Kirksey
patent: 3064698 (1962-11-01), La Force
patent: 3716916 (1973-02-01), Alexander

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