Lacing device
OwnerRongxing LIUinventor
Life of this patent
Estimating the term…
Abstract
A lacing device includes a base, a collar, a knob and a winding wheel. The collar is provided with a ratchet ring which meshes with a pawl wheel. A concave portion is provided at a front end of the winding wheel, there being a gear ring in the concave portion. A clutch wheel is located in the concave portion, and at least one elastic engagement portion is provided on the clutch wheel. A guide rail is provided on the pawl wheel. The clutch wheel is provided with a connector connecting to the knob. When the knob rotates in one direction, the elastic engagement portion on the clutch wheel meshes with the gear ring on the winding wheel. When the knob rotates in the opposite direction, the elastic meshing portion on the clutch wheel is disengaged from the gear ring on the winding wheel.
Claims16
A lacing device, comprising:
- a base;
- a collar connected to the base, the collar being provided with a through hole for threading a lace;
- and a rotatable knob located on the collar, wherein
- a winding wheel for winding the lace is provided in the collar, a ratchet ring is provided at a front end of the collar, and a pawl wheel is engaged with the ratchet ring;
- a concave part is provided at a front end of the winding wheel, a gear ring is provided in the concave part, and the clutch wheel is located in the concave part, the clutch wheel is provided with at least one elastic engagement part which is engaged with or disengaged from the gear ring on the winding wheel;
- the pawl wheel is provided with a guide rail for retracting or releasing the elastic engagement part;
- the clutch wheel is provided with a connecting piece to connect the knob to synchronously rotate the clutch wheel and the knob;
- and
- when the knob is rotated in a direction, the elastic engagement part on the clutch wheel is engaged with the gear ring on the winding wheel to synchronously rotate or stop the knob, the pawl wheel, the clutch wheel and the winding wheel;
- and when the knob is rotated in an opposite direction, the elastic engagement part on the clutch wheel is disengaged from the gear ring on the winding wheel, and the winding wheel is rotated freely.
Dependencies are inferred from the claim text.