Magnetic drill

Details Magnetic drill Magnetic drill

B - Operations, Transporting

23

B

77/16

B23B 39/14 (2006.01) B25H 1/00 (2006.01)

Patent

CA 1041800

MAGNETIC DRILL Abstract of the Disclosure A portable magnetic drill unit having a work surface engaging base formed as an electromagnet and a spring biased bearing ball thereon for elevating the rear end of the base slightly above the work surface to enable the unit to be easily moved along the work sur- face to the desired location for drilling a hole. The strength of the spring is correlated to the weight of the drill unit and the strength of the electromagnet such as to support the unit in a slightly inclined position when the electromagnet is de-energized and to compress when the electromagnet is energized so as to allow the bottom face of the base to make full face contact with and thereby magnetically adhere firmly to the support surface. i

243064

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