Drill head guiding control for multiple drills

Details Drill head guiding control for multiple drills Drill head guiding control for multiple drills

1975-03-25

1976-08-24

Gilden, Leon

Cutting by use of rotating axially moving tool

Machine including plural tools

Plural, simultaneously operational tools

408 52, 408 88, 408136, 408236, B23B 3918, B23B 4700

Patent

active

039763862

ABSTRACT:
A frame structure supports a work surface above which there is provided an elongated head number supporting a series of drills. A torque tube having an axis parallel to and spaced from a line passing through the series of drills is mounted to the frame structure for rotation about its axis. The drill head member is coupled to the torque tube such that rotation of the torque tube initially swings the head member in an arc and thereafter urges the head member through a lost motion coupling arrangement against a pair of spaced parallel guide rails, secured to the frame structure normal to the work surface so that the remaining travel of the drill head is rectilinear. The stiffness of the torque tube assures that one end of the elongated drill head will not move ahead or drop behind the other end so that all holes are drilled simultaneously.

REFERENCES:
patent: 1996443 (1935-04-01), Pierre

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