Writing instrument

Details Writing instrument Writing instrument

1977-07-20

1979-10-30

Burr, Edgar S.

Coating implements with material supply

Projectable and retractable tool

By screw mechanism

401104, B43K 712, B43K 2406

Patent

active

041726740

ABSTRACT:
A writing instrument with a pivoted closure at its upper end to close an opening through which a refill cartridge can be removed and replaced from a continuous body of the instrument. The closure is locked in its closed position by a sleeve-extension of the body which enters a close fitting axial groove of the closure and prevents the closure from pivoting to an open position. The sleeve and body move up and down with respect to the closure by rotating the body with respect to the closure.

REFERENCES:
patent: 3179086 (1965-04-01), Owadano
patent: 3272184 (1966-09-01), Crowley
patent: 3436160 (1969-04-01), Lanoie

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