Roller ball pen with adjustable spring tension

Details Roller ball pen with adjustable spring tension Roller ball pen with adjustable spring tension

B - Operations, Transporting

43

K

B43K 5/16 (2006.01) B43K 7/12 (2006.01) B43K 24/06 (2006.01)

Patent

CA 2398439

A roller ball pen (2) that permits a user to adjust the bias force that biases a roller ball cartridge (4) out of the pen (2) to suit the user's particular writing style is disclosed. The pen (2) has a body (8) having distal and proximal ends, a roller ball cartridge (4) disposed in the body (8), a cap (10) removably disposed on the proximal end of the body (8), a control member (14) slidingly disposed in the cap (10), a spring (18) attached to the distal side of the control member (14) and abutting the roller ball cartridge (4), and a drive rod (16) engaged with the control member (14). Rotation of the drive rod (16) moves the control member (14) distally or proximally, thereby adjusting the bias force applied by the spring (18) to the roller ball cartridge (14).

La présente invention concerne un stylo à bille (2) qui permet à un utilisateur de régler la charge ressort d'une cartouche (4) à bille en dehors du stylo (2) de façon à l'adapter au style d'écriture particulier de cet utilisateur. Ce stylo (2) possède un corps (8) présentant des extrémités distale et proximale, une cartouche (4) à bille placée dans le corps (8), un capuchon (10) placé démontable sur l'extrémité proximale du corps (8), un élément de commande (14) placé coulissant dans ce capuchon (10), un ressort (18) fixé du côté distal de cet élément de commande (14) et venant toucher la cartouche (4) à bille, et une tige d'entraînement (16) en contact avec cet élément de commande (14). La rotation de cette tige d'entraînement (16) déplace l'élément de commande (14) de façon distale ou proximale, réglant ainsi la charge ressort appliquée par le ressort (18) sur la cartouche (14) à bille.

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