Knock-out type automatic pencil

Coating implements with material supply – Solid material for rubbing contact or support therefor – With means for severing portion of sheath or for shaping tool

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Details

401 65, B43K 2116

Patent

active

041533798

ABSTRACT:
Knock-out type automatic pencil comprises an outer barrel, an inner tube of plastic material molded integrally with a clamp and a head, a stopper collar inside the front end of outer barrel which retains the inner tube, a press device at the rear end of the outer barrel having lead sharpening and erasing means provided. The clamp at the front end of inner tube is formed in a closed type with slots on it instead of the conventional claw type.

REFERENCES:
patent: 2358091 (1944-09-01), Lovejoy
patent: 2823644 (1958-02-01), Van Den Bussche et al.
patent: 3813175 (1974-05-01), Katz
patent: 3922098 (1975-11-01), Katz
patent: 3945733 (1976-03-01), Edel

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