Lead device for drawing machine

Details Lead device for drawing machine Lead device for drawing machine

1985-01-10

1986-10-21

Haroian, Harry N.

Geometrical instruments

Scriber

346139C, G01D 1524

Patent

active

046177396

ABSTRACT:
A lead device for a drawing machine in which bars of lead are inserted in longitudinal recesses or bores in a turret drum. Each lead bar is driven by a wire at its upper end so as to project its lower end for writing. The turret is also pushed downward to project the lower end of the lead through a bore provided in a bottom plate on the machine by a press device associated with the lead bar pushing device through a friction force.

REFERENCES:
patent: 3754282 (1973-08-01), Morse
patent: 3971036 (1976-07-01), Gerber et al.
patent: 4423428 (1983-12-01), Kuwabara

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