Circular saw guard hold and release device

Details Circular saw guard hold and release device Circular saw guard hold and release device

1996-08-27

1998-07-21

Jones, Eugenia

Cutlery

Cutting tools

Saw

30390, 83478, B25F 500, B27B 900

Patent

active

057820015

ABSTRACT:
A hold-and-release device for the movable lower guard of a hand-operated circular saw in which the guard is held in its out-of-the-way position by a magnet or latch while a saw cut is being made but is automatically released to assume its normal protective position when the motor power is removed. Alternatives are described having different degrees of complexity, for example, one requires the operator to apply pressure to the trigger switch while engaging the guard-holding device.

REFERENCES:
patent: 2722246 (1955-11-01), Arnoldy
patent: 3063481 (1962-11-01), Sutherland
patent: 3805639 (1974-04-01), Peter
patent: 4026177 (1977-05-01), Lokey
patent: 4033218 (1977-07-01), Donatelle
patent: 4672746 (1987-06-01), Zeilenga
patent: 4693008 (1987-09-01), Velie
patent: 4698910 (1987-10-01), Gundlach
patent: 4730396 (1988-03-01), Nishioka
patent: 5531147 (1996-07-01), Serban
patent: 5579584 (1996-12-01), Hoffman

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