Marking tool drive system for a drawing machine or similar type

Details Marking tool drive system for a drawing machine or similar type Marking tool drive system for a drawing machine or similar type

1989-06-29

1991-05-07

Haroian, Harry N.

Geometrical instruments

Scriber

33 1M, G01D 1524, B43L 1300

Patent

active

050125842

ABSTRACT:
A direct drive working tool drive system is provided for a drawing machine. Electromagnetic means move the working tool downward toward the working surface of the drawing machine. Resilient means move the working tool upward from the working surface. First and second stroke limit means limit the upward and downward movement of the working tool. The electromagnetic means, resilient means, and first and second stroke limit means are disposed coaxially with the longitudinal axis of the working tool. Suitably, the electromagnetic means comprise a magnetic core having the working tool fixed within it, with the magnetic core being disposed within a solenoid coil. The magnetic core and solenoid coil are disposed coaxially with the longitudinal axis of the working tool.

REFERENCES:
patent: 3384965 (1968-05-01), Sicking
patent: 3864695 (1975-02-01), Nagashima
patent: 4426783 (1984-01-01), Gerber et al.
patent: 4825555 (1989-05-01), Murayama et al.

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