Key assembly and keyboard comprising key retraction and...

H - Electricity – 01 – H

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H01H 13/70 (2006.01) H01H 3/12 (2006.01)

Patent

CA 2185989

A retractable key assembly (12) comprising a keytop (20) coupled with a pivot arm (40) accommodating arcuate movement of the keytop about a pivot axis (B-B) defined by the pivotally mounted portion of the pivot arm, between an upper, active keying position and a lower, inactive position, with actuating means (16) serving to engage the key assembly and elevate the keytop to the upper, active position accommodating selective application of force to an upper surface of the keytop for keying, and with the actuating means being disengageable from the key assembly, whereby the keytop is lowerable to a lower, inactive position. Key assemblies of the foregoing type may be employed to form a keyboard (200), wherein the pivot arms exteriorly extending from the keytop function as spacers and stabilizing elements in a keyboard array.

Ensemble touche escamotable (12) qui comprend un dessus (20) de touche relié à un bras pivotant (40) permettant le mouvement en forme d'arc du dessus de touche, autour d'un axe de pivotement (B-B) défini par la partie montée pivotante du bras pivotant, entre une position de touche active supérieure et une position inférieure d'inaction, des dispositifs d'actionnement (16) servant à s'accoupler à l'ensemble touche et à élever le dessus de touche vers la position supérieure active permettant l'application sélective de force sur une surface supérieure du dessus de touche, et lesdits dispositifs d'actionnement pouvant être libérés de l'ensemble touche, ce qui permet d'abaisser le dessus de touche vers une position inférieure d'inaction. Des ensembles touches du type susmentionné peuvent être employés pour former un clavier (200), les bras pivotants qui s'étendent extérieurement du dessus de touche fonctionnant en tant qu'éléments d'écartement et de stabilisation dans un clavier.

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