Patent ID: 11969629
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 5:
6. The device according to claim 1, wherein:
a range of vertical adjustment of the second horizontal obstacle with respect to the tubular structure is between a bottom position and a top position;
wherein, at the bottom position, the second elongated element is at a lowest position along a range of vertical adjustment of the second elongated element with respect to the tubular structure, and the second horizontal obstacle is at a lowest position along a range of vertical adjustment of the second horizontal obstacle with respect to the second elongated element; and
wherein, at the top position, the second elongated element is at a highest position along a range of vertical adjustment of the second elongated element with respect to the tubular structure, and the second horizontal obstacle is at a highest position along a range of vertical adjustment of the second horizontal obstacle with respect to the second elongated element.