Chin Chang Lu

US Patent:

20150053829, Feb 26, 2015

Filed:

Aug 21, 2013

Appl. No.:

13/971917

Inventors:

Chin Chang Lu - Corona CA, US

International Classification:

F16M 13/02
F16M 11/06

US Classification:

24812311

Abstract:

A load-supporting apparatus includes four levers each including first and second ends, a pushing element, a hanging element and an extending device. The first end of the second lever is connected to the second end of the first lever. The first end of the third lever is connected to the second end of the second lever. The first end of the fourth lever is connected to the second end of the third lever. The second end of the fourth lever is connected to the first end of the first lever. A first end of the pushing element is connected to the first lever. A first end of the hanging element is connected to a second end of the pushing element. A first end of the extending device is connected to the first end of the hanging element. The second end of the extending device is placed against the second lever.