Massage apparatus

Details Massage apparatus Massage apparatus

1991-06-17

1992-12-29

Hafer, Robert A.

Surgery

Truss

Perineal

A61H 1500

Patent

active

051742829

ABSTRACT:
A system for alternately applying and releasing pressure on the muscles of the back comprising a plurality of spaced elasomeric balls that are rotatably supported by a carrier. The balls are positioned between the user's back and a vertical surface with the balls orientated on opposite sides of the spinal column. Vertical movement of the user's back due to bending of the knees effects movement of the balls relative to the user's back and controlled massage of the user's back muscles.

REFERENCES:
patent: 781683 (1905-02-01), Shepherd
patent: 863143 (1907-08-01), Bowser
patent: 1014774 (1912-01-01), Rohrer
patent: 1257957 (1918-02-01), Kost
patent: 1560549 (1925-11-01), Duncan
patent: 2466470 (1949-04-01), Norris
patent: 2819714 (1952-09-01), London
patent: 3705579 (1972-12-01), Morini
patent: 4374519 (1983-02-01), Stauft
patent: 4989585 (1991-02-01), Auker

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