Fluid operated wall groove cutter

Details Fluid operated wall groove cutter Fluid operated wall groove cutter

1977-01-19

1979-02-20

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

173 21, 173112, E21C 3724

Patent

active

041403479

ABSTRACT:
A hand-held groove cutter, particularly for cutting grooves in concrete structures, comprises a movable carriage having wheels for rolling over the concrete structure, and a fluid-operated percussion hammer mounted on the carrier. The hammer includes a piston and a cylinder which is mounted for sliding movement in a housing, and a tool which is connected to the piston. An adjustment arrangement is operative for moving the cylinder relative to the housing to thereby adjust the stroke of the piston and the depth of stroke of the tool.

REFERENCES:
patent: 281135 (1883-07-01), Rapp
patent: 1206288 (1916-11-01), Ball
patent: 1587949 (1926-06-01), Hansen
patent: 2512296 (1950-06-01), Berthiez
patent: 2672331 (1954-03-01), Cornett
patent: 3656560 (1972-04-01), Catterfeld et al.

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