Self-locking winch handle

B - Operations – Transporting – 66 – D

Patent

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Details

B66D 1/06 (2006.01) B25B 23/00 (2006.01) B66D 1/74 (2006.01)

Patent

CA 2503101

A lock/release mechanism for the crank handle of a winch consists of a set of one or more pins (31, 32) that are captured within the drive head (20) of the handle. Within the drive head is an actuation rod (37), which acts on these pins. Depending on the position of the rod, the pins are either moved or pushed outward (lock position), or retracted into the drive head (unlock position). The actuation rod is moved by means of a lever (23) that enables removal of the crank handle with one hand.

L'invention concerne un mécanisme de verrouillage/déverrouillage pour la manivelle d'un treuil qui comprend une série d'une ou plusieurs broches (31, 32) à l'intérieur de la tête d'entraînement (20) de la manivelle. € l'intérieur de la tête d'entraînement se trouve une tige d'actionnement (37), qui agit sur ces broches. Selon la position de la tige, les broches sont soit déplacées ou poussées vers l'extérieur (position de verrouillage), soit rétractées vers l'intérieur de la tête d'entraînement (position de déverrouillage). La tige d'actionnement se déplace au moyen d'un levier (23) qui permet de retirer la manivelle avec une seule main.

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