Writing instrument with plural implements cam actuated

Details Writing instrument with plural implements cam actuated Writing instrument with plural implements cam actuated

1983-10-12

1985-08-06

Bratlie, Steven A.

Coating implements with material supply

Plural tools including projectable and retractable tool

401 30, 401 32, B43K 2410, B43K 2414, B43K 2712

Patent

active

045332711

ABSTRACT:
A writing instrument having two writing elements is described. A tubular cam is utilized together with cam followers and element holders for each writing element and associated supporting structure to provide an instrument which will position one element in the extended position while positioning the second element in the retracted position without the use of springs, will lock each element in its respective position and which will be simple to assemble and maintain.

REFERENCES:
patent: 940247 (1909-11-01), Haring
patent: 1697437 (1929-01-01), Stout et al.
patent: 2434234 (1948-01-01), Thatcher
patent: 3816006 (1974-06-01), Tailer

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