All purpose magnetic base drill

Details All purpose magnetic base drill All purpose magnetic base drill

1975-02-10

1977-03-15

Simpson, Othell M.

Cutting by use of rotating axially moving tool

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

Magnetic or suction means

408 87, B23B 4514

Patent

active

040121623

ABSTRACT:
An all-purpose drilling unit is provided which has a cylindrical base of magnetizable material containing a recess for a coil and an aperture for a cylindrical column which is supported in upright position thereby. A motor bracket is mounted on the column over a rack which is supported on one side thereof on which the bracket is moved upwardly and downwardly relative to the column. A transverse shaft is provided on the motor bracket having a pinion, the teeth of which are in mesh with those of the rack. A hub on one end of the shaft contains a plurality of rods and operating handles by which the motor and bracket is moved upwardly and downwardly on the column. A portable drill is supported on the motor bracket and is offset to permit the bracket to move downwardly beyond the top of the supporting base. A cylindrical sleeve is mounted above the cylindrical base forming a compartment containing a power pack, a receptacle, a switch, a plug, a light, a diode and interconnecting elements above the base. A disk-like cover encloses the top of the sleeve and supports the switch, light and receptacle.

REFERENCES:
patent: 1554475 (1925-09-01), Wendell et al.
patent: 1794149 (1931-02-01), Collins
patent: 2821875 (1958-02-01), Buck

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