US 11,813,888 B2
Writing instrument
Etienne Michenaud, Clichy (FR); and Franck Vadenne, Clichy (FR)
Assigned to Société BIC, Clichy (FR)
Filed by Société BIC, Clichy (FR)
Filed on Sep. 10, 2021, as Appl. No. 17/471,508.
Claims priority of application No. 20315415 (EP), filed on Sep. 22, 2020.
Prior Publication US 2022/0088959 A1, Mar. 24, 2022
Int. Cl. B43K 24/08 (2006.01); B43K 7/00 (2006.01); B43K 7/12 (2006.01); B43K 27/00 (2006.01)
CPC B43K 24/082 (2013.01) [B43K 7/005 (2013.01); B43K 7/12 (2013.01); B43K 27/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A writing instrument, comprising
a housing comprising a front barrel and a rear barrel, the front barrel having a front opening and being removably connected to the rear barrel,
at least two cartridges for storing colorants or inks, each cartridge having a writing tip, wherein the at least two cartridges includes a first cartridge,
a first actuator with a first pusher for selectively moving the first cartridge within the housing so that the writing tip of the first cartridge extends through the front opening of the front barrel,
a first link member having a round tip configured to protrude into an opening of the first cartridge, wherein the first cartridge is configured to move about the round tip of the first link member;
a pusher holder configured to receive at least the first pusher operatively connected with the first actuator and the rear barrel;
a cartridge guide member configured to guide the movement of the at least two cartridges within the housing, and
wherein the front barrel and the cartridge guide member are configured to be removed from the rear barrel and from the pusher holder for replacing one or more of the at least two cartridges, leaving the first actuator and the first pusher within the rear barrel.