Abstract: A writing instrument that includes a barrel extending longitudinally from a rear end to a forward end having an opening; a writing member having a writing tip at a forward end longitudinally movable inside the barrel between a retracted position and an extended position for which the writing tip projects through the forward opening; a sealing sleeve that can move longitudinally inside the barrel along a predetermined stroke between a withdrawn position and an advanced position and having rear and forward ends presenting rear and forward openings respectively, through which the writing member can slide, where the sealing sleeve is propelled between positions by the writing member when the latter is moved between the retracted and extended positions; and a closure device able to allow the passage of the writing member through the forward openings of the sleeve and barrel when the sleeve is in the advanced position, and substantially to seal off the forward opening of the sleeve when the latter is in the retract

Abstract: A retractable writing instrument that includes a barrel, a writing tip, an actuating mechanism that includes a plurality of parts for extending and retracting the writing tip upon actuation of the actuation member, and a cushioning device enabling a retraction of the writing tip when an excessive pressure is exerted by a user. The cushioning device includes a spring member elastically deformable, which is integrally formed with a movable part of the actuating mechanism, the part being movable relative to the barrel. The spring member has a free end abutting the barrel toward its rear end and has a through hole. A stem extends within the spring member's hole and connects the actuating member to the actuating mechanism.