Patent ID: 7891708

Claim:
Device for coupling and releasing the wrist strap to/from the handgrip of a pole for sporting activities, comprising: a buckle with which said wrist strap is associated; a seat obtained in said handgrip and suited to house said buckle; means for coupling said buckle, comprising at least one elastic tab projecting from the body of said buckle and a support surface obtained in said seat that cooperate by mutual contact when said buckle is constrained to said handgrip; and means for releasing said buckle that can be manoeuvered by the user; wherein said releasing means comprise a release lever that can be manoeuvered by the user and is housed inside said seat, wherein in said release lever it is possible to identify a central core with a rotation pin, a manoeuvring end that can be reached by the user and a release end that cooperates by contact with said elastic tab to move it away from said support surface; wherein said seat is obtained in the too end of said handgrip and comprises: a first area in which it is possible to identify a first opening for the insertion of said buckle; a second area that houses said release lever and in which it is possible to identify a seat that houses said pin and a second opening from which said manoeuvring end of said release lever projects; and an intermediate opening that places said first area in communication with said second area, created at the level of said seat that houses said pin; and wherein said pin can slide along the rotation axis defined by it and presents a first prismatic portion that fits in said seat whose polygonal section is matched with said prismatic shape, and a second cylindrical portion that fits in a first part with circular section of a through hole made in said central core of said release lever, said second part having the free end that projects from said through hole.