Marking instruments

Details Marking instruments Marking instruments

1996-06-11

1997-10-14

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

In or at feeder

401206, 401264, B43K 518, B43K 804

Patent

active

056764812

ABSTRACT:
A marking instrument, e.g. a fiber tip pen, roller ball pen, or highlighter pen, has a feed device which conducts marking liquid from the reservoir chamber (17) to the marking tip supported by an elastomeric diaphragm (6) which partly confines the reservoir chamber and forms a valve with the feed device so that when tip is applied against a surface the feed device retracts causing the diaphragm (6) to pressurize the liquid in the reservoir and open the valve whereby liquid is pumped to the tip.

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