Load repositioning device

Details Load repositioning device Load repositioning device

1989-11-27

1991-07-02

Grosz, Alexander

Beds

Bedsteads

Upending

51641, 267158, A47C 1740

Patent

active

050274520

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.

REFERENCES:
patent: 256449 (1882-04-01), Steinbrenner
patent: 3550167 (1970-12-01), Bennett
patent: 4058861 (1977-11-01), Kruse
patent: 4313620 (1982-02-01), Posnikoff
patent: 4901382 (1990-02-01), Spitz

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