Expandable writing instrument

Details Expandable writing instrument Expandable writing instrument

B - Operations, Transporting

43

K

B43K 25/00 (2006.01) B43K 5/17 (2006.01) B43K 7/12 (2006.01) B43K 24/02 (2006.01) B43K 24/08 (2006.01)

Patent

CA 2357519

An expandable pen has a pen barrel with an expanding middle section. The pen. barrel holds a retractable ball point pen refill cartridge When the pen is expanded, the writing tip 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.

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