RATCHET DEVICE FOR WINDING AND BLOCKING A DRAWSTRING

摘要

The invention relates to a device for winding and locking a lace comprising a fixed support, a rotatable spool, a user-operable knob for driving the spool, and elements for blocking the spool. The blocking elements comprise at least one pawl having a retaining portion engaging at least one complementary projection of the support in the absence of a rotational force exerted by the user on the knob, a base rotationally driven when the knob rotates during loosening, a first bar carrying the retaining portion and being elastically deformable, an actuating portion carried by a second bar and away from the retaining portion, the pawl being configured so that, during loosening, the knob, via the actuating portion, disengages the retaining portion.

主权项

1. A device for winding and locking of a drawstring for a personal article, including a garment, an article of footwear, a helmet, and an item of protective gear, the device comprising:
a fixed support; a spool configured to be rotatable in relation to the fixed support and designed to be connected to the drawstring for tightening or loosening; a user-operable knob connected to drive the spool in rotation; elements for blocking rotation of the spool, the blocking elements comprising at least one pawl, the at least one pawl comprising a base configured to be rotationally driven when the knob is rotated by the user in the loosening direction; a retaining portion configured to engage, in a rotational locking position, at least one complementary projection affixed to the fixed support in the absence of a rotational force exerted by the user on the knob; a first bar carrying the retaining portion and separating the retaining portion from the base, the first bar being elastically deformable so as to cause, when deformed, disengagement of the retaining portion of the at least one complementary projection; a portion for actuating the retaining portion, said actuating portion being carried by a second bar and being away from the retaining portion; the pawl being configured so that, in a direction of rotation of the knob corresponding to loosening, the knob, via the actuating portion, causes disengagement of the retaining portion from the at least one complementary projection.