Patent ID: 11910895
Assignee: nan
Field: Other consumer goods (Other fields)
Classification: CPC A  H | IPC A  H

Claim 19:
20. The apparatus of claim 18, wherein the at least one vertical column is configured as a vertical rail, which comprises an elongated interior;
wherein the at least one slidable assembly further comprises:
a) a slidable member, which is slidably inserted into the elongated interior of the vertical rail, such that the slidable member is connected to the connection bracket; and
b) a screw, which is inserted through the connection bracket and screwed into the slidable member;

such that when the screw is tightened, the screw penetrates the slidable member and touches an inner surface of the vertical rail, to securely hold the slidable assembly against the vertical rail and secure the corresponding mounting structure at a selected vertical position; and
such that when the screw is loosened, the slidable member is slidable, to permit vertical adjustment of the corresponding mounting structure.