Writing implement with two retractable cartridges

Details Writing implement with two retractable cartridges Writing implement with two retractable cartridges

1984-01-17

1985-10-29

Bratlie, Steven A.

Coating implements with material supply

Plural tools including projectable and retractable tool

401 31, 401 34, 401104, 401109, B43K 2712, B43K 2402

Patent

active

045498270

ABSTRACT:
In a writing implement with two cartridges (12,22) the housing is divided in two parts connected together by a pivot. The cartridges are pressed by spring force against cams (14a,24a) which are arranged on the other housing. The cams have such a profile that the writing points (12a,22a) are driven out in the opened position of the housings but retracted in the closed position into the housings. The closing action retracts the writing points into the housings; the opening out action drives out the writing points.

REFERENCES:
patent: 889435 (1908-06-01), Bustanoby
patent: 3311089 (1967-03-01), Vogel
patent: 3352621 (1967-11-01), Fehling et al.
patent: 3407021 (1968-10-01), Mosch
patent: 4081217 (1978-03-01), Klaber

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