EXPANDABLE WRITING INSTRUMENT

An expandable pen has a pen barrel (50) with an expanding middle section. The pen barrel holds a retractable ball point pen refill cartridge (65). When the pen is expanded, the writing tip (60) of the refill is extended from a retracted position inside the pen barrel to a writing position, while the...

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Bibliographic Details
Main Authors RICHARD JOSEPH D'AMICO, GREGOR MITTERSINKER, KEVIN LEE BROWNING
Format Patent
LanguageChinese
English
Published 11.08.2006
Subjects
BUREAU ACCESSORIES
IMPLEMENTS FOR WRITING OR DRAWING
PERFORMING OPERATIONS
TRANSPORTING
WRITING OR DRAWING IMPLEMENTS
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Summary:An expandable pen has a pen barrel (50) with an expanding middle section. The pen barrel holds a retractable ball point pen refill cartridge (65). When the pen is expanded, the writing tip (60) of the refill is extended from a retracted position inside the pen barrel to a writing position, while the barrel becomes full length for comfort when writing. The pen may be collapsed for storage, which simultaneously retracts the writing tip inside the pen barrel.
Bibliography:Application Number: HK20020105629