Drum-type washing machine

D - Textiles – Paper – 06 – F

Patent

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Details

D06F 21/04 (2006.01) D06F 37/30 (2006.01) D06F 37/42 (2006.01)

Patent

CA 2043683

A drum-type washing machine includes a horizontal shaft type drum which is rotatably supported by a supporting shaft within a frame and rotated by a motor, and a reduction mechanism transmits a rotation of a rotation shaft of the motor to a rotation shaft of the drum. The reduction mechanism includes a small pulley with gear secured to the rotation shaft of the motor, an intermediate large pulley, a V belt wound on the small pulley with gear and the intermediate large pulley, an intermediate small pulley secured to the intermediate large pulley to be rotated together with the intermediate large pulley, a large pulley secured to the rotation shaft of the drum, and a V belt wound on the intermediate small pulley and the large pulley. In the vicinity of the small pulley with gear, a claw which is normally biased toward a direction that the same is kept away from the gear is arranged. A solenoid or a torque motor engages the claw with a root of the gear against the spring when the drum is to be locked.

Une machine à laver à tambour comprend un tambour à arbre horizontal à l'intérieur d'un chassîs, qui est supporté sur son axe de rotation par un arbre de support et qui tourne à l'aide d'un moteur, et un mécanisme de réduction transmettant une rotation de l'arbre de rotation du moteur à l'arbre de rotation du tambour. Le mécanisme de réduction comprend une petite poulie avec engrenage fixée à l'arbre de rotation du moteur, une grande poulie intermédiaire, une courroie en V reliant la petite poulie avec la grande poulie intermédiaire, une petite poulie intermédiaire fixée à la grande poulie intermédiaire afin qu'elles tournent ensemble, une grande poulie fixée à l'arbre de rotation du tambour et une courroie en V reliant la petite poulie intermédiaire et la grand poulie. A proximité de la petite poulie avec engrenage, une pince normalement incliné de façon à la garder éloignée de l'engrenage est installée. Lorsque le tambour doit être bloqué, un moteur à couple ou à solénoïde engage la pince avec l'engrenage.

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