Heating arrangement for ice skate blades

A - Human Necessities – 63 – C

Patent

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Details

A63C 1/32 (2006.01) A63C 3/00 (2006.01)

Patent

CA 2527739

An ice skate comprising a boot arranged to receive a person's foot, a skate blade assembly (1) and a blade heating arrangement (8) mounted within a blade mounting arrangement. The blade heating arrangement is arranged to use a field- effect transistor (12) controlled by an electronic controller (10) to operate in the non-linear range to heat skate blades from a power source (14). The blade (2) is formed as a two part structure with a central core plate within the steel blade part of a higher thermal conductivity material such as copper. The circuit (9) controlling the heating includes a charging component which uses as a contact for the charging current the blade itself. The blade (2, 32) is mounted on the mounting arrangement by a manually releasable mechanical coupling for readily removing the blade and the heating element from its mounting with the manually releasable coupling includes at least one inclined wedge member (34) for cooperating with a corresponding shaped receptacle (35) on the mounting arrangement and a cam lock (39) for pulling the blade along the mounting member longitudinally of the blade and to draw the inclined wedge member into its receptacle.

La présente invention concerne un patin à glace comprenant une botte agencée de façon à recevoir le pied d'une personne, un ensemble lame de patin (1) et un agencement chauffant pour lame (8) monté à l'intérieur d'un agencement support de lame. Cet agencement chauffant pour lame est agencé de façon à utiliser un transistor à effet de champ (12) commandé par un contrôleur électronique (10) destiné à fonctionner dans une plage non linéaire afin de chauffer la lame de patin à partir d'une source de puissance (14). Cette lame (2) est formée d'une structure en deux parties avec une plaque noyau centrale à l'intérieur de la partie lame d'acier en matériau à conductivité thermique supérieure, tel que le cuivre. Le circuit (9) commandant le chauffage comprend un élément de charge qui utilise comme contact pour charger le courant la lame elle-même. Cette lame (2, 32) agencée sur l'agencement support par un couplage mécanique libérable manuellement destiné à retirer rapidement la lame et l'élément chauffant du support avec ce couplage libérable manuellement comprend au moins un élément de coin incliné (34) destiné à coopérer avec un réceptacle d'une forme correspondante (35) situé sur l'agencement support et avec un verrou (39) permettant de tirer la lame le long du support de lame longitudinalement et d'amener le coin incliné dans ce réceptacle.

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