Safety device for chain saw

Details Safety device for chain saw Safety device for chain saw

1982-08-02

1984-02-14

Peters, Jimmy C.

Cutlery

Cutting tools

Saw

30387, 83831, B27B 1702

Patent

active

044307950

ABSTRACT:
A chain saw safety improvement is disclosed. Enclosed in a hollow guide bar is a link positioning device which moves the links on the chain into a cutting or safety position. This device is spring tensioned and normally in the safety position. The chain links themselves are pivotable and scythe-shaped, the tips acting as safety tails. When the link positioning device is in its normal safety position, it pushes the safety tails, moving the links into a noncutting position. When tension is manually released by the operator, the links may move into their cutting position.

REFERENCES:
patent: 2924254 (1960-02-01), Smith
patent: 3323561 (1967-06-01), Lahtinen
patent: 3991470 (1976-11-01), Cartmill
patent: 4257162 (1981-03-01), Pardon

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