Feed mechanism for a writing device

Details Feed mechanism for a writing device Feed mechanism for a writing device

1987-07-17

1990-07-24

Johnson, Richard J.

Coating implements with material supply

Projectable and retractable tool

Including retraction spring and projected-position retainer

401112, B43K 2408

Patent

active

049431757

ABSTRACT:
A feed mechanism for a writing device comprising a writing medium carrier which is displaceable in a housing in a front and rear position by means of a press button. Connected with the press button is a rotatable switching element which comprises a circulating switching cam in which a carrier element engages. A spring is arranged between the carrier element and a locking element, and the locking element comprises a spring arm with a supporting surface which engages in an opposed surface at the housing.

REFERENCES:
patent: 2622561 (1952-12-01), Baker
patent: 3084670 (1963-04-01), Dottlinger
patent: 3084671 (1963-04-01), Dottlinger

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