Edward R Ramsier

US Patent:

50274520, Jul 2, 1991

Filed:

Nov 27, 1989

Appl. No.:

7/441377

Inventors:

Edward R. Ramsier - Wooster OH

International Classification:

A47C 1740

US Classification:

5136

Abstract:

A combination leaf spring hinge assembly suitable for use in retractable beds or other retractable apparatus such as work benches. The leaf spring hinge assembly includes a base and a moving slat connected by a pivot means and a combination leaf spring adapted to engage a roller chain attached to a chain sprocket attached to the moving slat. The combination leaf spring hinge assembly is designed to efficiently transfer energy from the deflected load to the springs and back again upon load repositioning.