Automatic pencil

Details Automatic pencil Automatic pencil

1981-06-02

1983-02-01

Pellegrino, Stephen C.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Cushioned tool

401 65, B53K 2102

Patent

active

043712770

ABSTRACT:
An automatic pencil which comprises a pointed end cap made of a synthetic resin material into which a lead pushing-out mechanism consisting of a lead chuck fixed to a lead container, a chuck ring externally fitted onto the lead chuck and a spring is inserted, a cushion stopper on the outer periphery of which and at one end thereof engaging projections are integrally formed so as to oppose to a plurality of engaging holes circumferentially provided around an open edge of the pointed end cap, and an outer tube into which the outer periphery of the backward end of the aforesaid pointed end cap is inserted to combine them with each other and, as a consequence, the resultant automatic pencil has a simple construction, so that it can easily be assembled.

REFERENCES:
patent: 1769572 (1930-07-01), Grosz
patent: 1780405 (1930-11-01), Sharrow
patent: 2604070 (1952-07-01), Sharrow
patent: 3864046 (1975-02-01), Butka

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