Patent ID: 11890520
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 2:
3. A universal joint for rotationally and translationally attaching a first support to a second support of a training apparatus for a table tennis player comprising: first and second clips placed on each other, wherein the first clip includes a first opening for receiving the second support, wherein the second clip includes a second opening for receiving the first support;
wherein the first clip comprises:
a constricting portion defining one of the first and second openings;
a first member attached to the constricting portion and extending radially outwardly from the constricting portion;
a second member attached to the constricting portion and extending radially outwardly from the constricting portion, wherein the second member is spaced opposite the first member by a gap, wherein the fastener extends through the first and second members, wherein movement of the fastener from the second position to the first position to tighten the first and second clips to each other causes the first and second member to move towards each other and constrict the one of the first and second openings, wherein the first member includes a first distal end, wherein the second member includes a second distal end that extends towards the first member and slopes away from the one of the first and second openings, wherein the first distal end of the first member engages an inner side of the second distal end of the second member, wherein movement of the second member towards the first member causes the first distal end to slide along the inner side of the second distal end thereby causing the second member to move radially outwardly relative to the first member to further constrict the one of the first and second openings; and

a fastener, wherein the fastener fastens the first clip to the second clip, wherein the fastener may be operatively moved to a first position to tighten the first clip to the second clip to prevent the first clip from moving relative to the second clip and to constrict the first and second openings for preventing translational and rotational movement of the first and second supports, respectively, that may be received in the first and second clips, wherein the fastener may be operatively moved to a second position to untighten the first clip from the second clip and enable the first clip to rotate relative to the second clip and the first support to move relative to the second support.