KETTLE BALL Russian patent published in 2013 - IPC A63B21/72 A63B21/75 

FIELD: sport.

SUBSTANCE: proposed invention relates to sports equipment and devices for physical exercise, namely to sports kettle balls. It comprises a spherical balanced hollow body (1) with a cut (2) at the bottom, a bow (3) at the top, and the loads (6) with threaded fixation inside the cavity, the cavity of the spherical body is open from the side of the lower cut (2), is made cylindrical, vertical with internal thread (4). In its middle and upper part the cylindrical cavity has lateral symmetric light-load recesses (8). The loads (6) are made disk-shaped with an external thread, mating to the internal thread (4) of the cylindrical cavity; from the ends the loads 6 have recesses (9) for their mounting. From the side of the cut (2) the cylindrical cavity is covered with a removable plug (5). The end recesses (9) of the loads (6) can be made for their mounting by the fingers. The removable plug (5) can be provided with the openings (10) for its mounting by the fingers. The body (1) of the kettle ball comprises two horizontal, diametral openings (7) parallel to horizontal site of the bow, for visual control of the position with respect to one or two loads (6).

EFFECT: implementation of sports equipment with stepwise variable weight for training with the gradual increase of the load, while maintaining the outer surface of the standard competitive kettle ball and its balanced state (according to the center of mass), and improved loads fixing inside the cavity.

4 cl, 4 dwg