Patent ID: 11856941
Assignee: ARDISAM, INC.
Field: Civil engineering (Other fields)
Classification: CPC A  E | IPC A  E

Claim 0:
1. A stand comprising:
a platform;
a chair supported on the platform;
a track element supported by the chair;
a retaining element positioned to move along the track element; and
an activity rail assembly rotatably attached to the chair, the activity rail assembly having a horizontal activity rail portion; wherein:
the activity rail assembly is rotatable among a first stowed position in which the activity rail assembly is oriented upright, a second stowed position in which the activity rail assembly is oriented downwardly, and one or more deployed positions between the first stowed position and the second stowed position;
the activity rail assembly is extendable and retractable between a first position and a second position, wherein when the activity rail assembly is in the first position, the horizontal activity rail portion is closer to the chair than when the activity rail assembly is in the second position; and
the retaining element is movable along the track element between (a) a first retaining element position in which the retaining element does not support the activity rail assembly and the retaining element is clear of a pathway of the activity rail assembly between the first stowed position and the second stowed position, and (b) a second retaining element position in which the retaining element supports the activity rail assembly in one of the one or more deployed positions.