Power-operated sword saw

Details Power-operated sword saw Power-operated sword saw

1994-03-07

1995-12-12

Payer, Hwei Siu

Cutlery

Cutting tools

Saw

30369, 8369921, B27B 1900

Patent

active

054738202

ABSTRACT:
A power-operated sword saw comprises a plate-shaped sword having a lower region with a guiding groove, two saw blades reciprocatingly movable in opposite directions parallel to one another and each having a front saw blade tip and an opposite clamping end. The saw blades have a toothed side provided with a plurality of teeth and an opposite saw blade back guided in the guiding groove of the sword. A drive is coupled with the clamping ends of the saw blades through a clamping unit. The saw blades are jointly coupled with the clamping unit and released from the clamping unit by a blocking element which blocks the clamping ends in a coupling position and release the clamping ends in a contact-free manner.

REFERENCES:
patent: 4026020 (1977-05-01), Hoppner et al.
patent: 4856195 (1989-08-01), Grossmann et al.
patent: 4979305 (1990-12-01), Leini
patent: 4999918 (1991-03-01), Schliemann et al.
patent: 5249362 (1993-10-01), Harding

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