B - Operations – Transporting – 27 – C
Patent
B - Operations, Transporting
27
C
77/10
B27C 3/00 (2006.01) B25H 1/00 (2006.01)
Patent
CA 1209380
ABSTRACT A portable horizontal drill press for drilling holes in the surfaces of highway vehicles and construction type equipment including a T-shaped base support beam which is mounted on swivel type wheels with low clearance provided to minimize tipping. A drill support column having a slidable mounting platform for an industrial type drill motor is mounted at one end of the beam support structure. The drill motor platform includes a hand wheel and lead screw combination which is used for feeding the drill motor into the work. The height of the drill motor platform can be adjusted either by a rack and pinion gear provided on a one-piece solid column or the column can be provided in several telescoping sections which can also combine a rack and pinion gear for the upper section of the column. A similar height elevating and positioning arrangement can be provided for a center support column provided at the opposite end of the base support beam. The center support column can be longitudinally moved with respect to the drill platform along the elongated support beam for adjusting the position of the drill center column in relation to the drill motor. A drill center rod is provided on the center support column and adjusted to contact that opposite side of the object so as to back-up the drill during the drilling process. In one embodiment the drill support column has a pivoting socket arrangement whereby the column can be laid down parallel to the support beam to allow the center column to be moved under an object having low clearance and then erected for positioning the drill center opposite the location of the area to be drilled.
445471
Gowling Lafleur Henderson Llp
Kybato Inc.
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