Patent ID: 11918129
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A lifting structure of a display rack, comprising an upright post, a retainer, a lifting support, and a tension spring, provided at each of four corners of the display rack;
the upright post including a guide rail on an inner corner of the upright post;
the retainer being installed on an upper end of the guide rail;
the lifting support including a support portion that is movably fitted in the inner corner of the upright post and a slide portion that is slidably fitted in the guide rail; the support portion being configured to support a bearing plate of the display rack;
upper and lower ends of the tension spring being connected to the retainer and the slide portion, respectively;
first rollers are installed on the slide portion, the first rollers are configured to roll on side walls of the guide rail; a number of the first rollers is two, and axes of the two first rollers are perpendicular to each other.