Cutlery – Cutting tools – Scrapers
Patent
1986-10-21
1988-12-27
Watts, Douglas D.
Cutlery
Cutting tools
Scrapers
1523601, B26B 300
Patent
active
047930624
ABSTRACT:
A hand-held device for removing plaster from walls includes a housing provided with a single handgrip and two tool-supports oscillatorily movable in counter directions by two pneumatically or hydraulically actuated cylinder-piston units and carrying shaving tools. A pressure medium source and a control equipment for the cylinder-piston units is positioned outside of the device and remote from the same.
REFERENCES:
patent: 2853820 (1958-09-01), Barker
patent: 2984908 (1961-05-01), Dyer
Striker Michael J.
Watts Douglas D.
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