B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 45/02 (2006.01) B23B 45/14 (2006.01) B25H 1/00 (2006.01)
Patent
CA 2069264
TITLE: PORTABLE DRILLING APPARATUS ABSTRACT Portable drilling apparatus provided with a support by means of which it can be secured to a work member and mounting means for a cutting tool including a mounting member having a vertically extending elongate part within which a drive spindle is rotatably mounted, the drive means including an elongate toothed gearwheel driven by a motor held in a fixed position in the support, a toothed gear carried by the drive spindle engaging the elongate gearwheel and sliding axially relative thereto.
Bereskin & Parr
Michael Woolley
Screen David A.
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