Chalk holder with a resilient latch element

Details Chalk holder with a resilient latch element Chalk holder with a resilient latch element

B - Operations, Transporting

43

K

B43K 23/016 (2006.01)

Patent

CA 2708351

Chalk Holder A chalk holder comprising a shaft and a slide formed by a chalk receiving part with a protruding spring-mounted upper arm extending through a longitudinal guide slot and provided with a button; the receiving part (4) has a protruding rigid bottom arm (5) mounted in the shaft (1) on at least one guide rail (7); the upper arm (6) has at least one tooth (9) on the upper side, which engages in grooves (13) perpendicular to the feed direction in the bottom side of an upper wall (12) of the shaft (1).

L'invention concerne un porte-craie constitué d'un corps (1) et d'un coulisseau (2) qui est formé par un logement (4) conçu pour des craies (3) et duquel fait saillie un bras supérieur (6) monté élastiquement qui passe à travers une fente de guidage allongée (11) et est muni d'un bouton (10). Selon l'invention, un bras inférieur rigide (5) qui est logé sur au moins une barrette de guidage (7) dans le corps (1) fait saillie du logement. Le bras supérieur (6) porte sur sa face supérieure au moins une dent (9) qui s'engrène dans des rainures (13) orientées perpendiculairement au sens d'avancée qui sont formées sur la face inférieure d'une paroi supérieure (12) du corps (1).

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