Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Tool supporting wheel
Patent
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
Evertz Egon
Seybold Rolf
Bilinsky Z. R.
Egon Evertz
Simpson Othell M.
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