| 摘要 |
A device for a gliding sport, such as an in-line roller skate, equipped with an energization device including a boot whose sole is associated with an upper plate of a frame on a lower portion of which the gliding device, such as skating wheels, are arranged. The boot has a low upper provided with a rigid rear stiffener on which an equally rigid collar is mounted for angular movement to act against a elastic return device interposed between the upper and the collar, wherein this elastic return device is biased at least during pivoting toward the rear of the collar, from a substantially vertical, median inactive position of equilibrium, and along an angular path limited in amplitude by a rear limit stop of the collar arranged on a portion of the upper, or on a corresponding portion of the collar, so as to provide an at least forward elastic return of the collar, depending on an energy the value of which is proportional to the angular travel of the upper, within a maximum limit determined by the position of the limit stop of the collar.
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