Holding device for manually portable drilling machines

Details Holding device for manually portable drilling machines Holding device for manually portable drilling machines

1975-03-24

1976-05-18

Simpson, Othell M.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Tool supporting wheel

144104, 173 32, 408 92, 408234, 408712, B23B 4514

Patent

active

039573877

ABSTRACT:
A holding device for a manually portable drilling machine includes a detachable tension element which is attached at two mutually opposite points to a carrier member for the portable drilling machine, the tension element being sufficiently long to encircle at least the horizontal circumference of the object to be drilled at the vertical level of the hole to be drilled. In addition the device includes a resilient bracing means provided between the portable drilling machine and the tension element when the drilling machine is located at a drilling site and the tension element is secured to the carrier so as to be in tension around the object to be drilled.

REFERENCES:
patent: 2333589 (1943-11-01), Schawer
patent: 2947205 (1960-08-01), Wilson
patent: 3417949 (1968-12-01), Waber

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