Battery operated coping saw

Details Battery operated coping saw Battery operated coping saw

1990-06-25

1991-07-02

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30513, B27B 900

Patent

active

050275186

ABSTRACT:
A cordless, electric handsaw. A U-shaped frame is removably mounted to the saw main frame to support the outer end of a coping saw blade having an inner end removably mounted to a reciprocably driven linkage connected to a battery operated motor contained in the handle. A keyhole saw blade is mountable to the reciprocably driven cylinder once the coping saw blade is removed.

REFERENCES:
patent: 2206614 (1940-07-01), O'Hern
patent: 2498160 (1950-02-01), Gavoli et al.
patent: 2630148 (1953-03-01), Ferguson
patent: 2753898 (1956-07-01), McFarland
patent: 4095635 (1978-06-01), Hutchins
patent: 4555849 (1985-12-01), Ando et al.

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