Roller-type massager

Details Roller-type massager Roller-type massager

1977-10-26

1979-04-17

Trapp, Lawrence W.

Surgery

Truss

Perineal

128 57, A61H 700, A61H 1500

Patent

active

041495314

ABSTRACT:
A roller-type massager having a pair of massage rollers rotatably mounted on a horizontal axle in parallel and spaced from each other within a chair back are vertically reciprocated along the spinal column. The horizontal axle is mounted on a screw housing and supported at both ends by a pair of guide rollers which are guided along a pair of vertical rails fixedly mounted within the chair back. The screw housing has a vertical through female screw threadably connecting with a vertical elongated screw bar which is rotatably mounted between the vertical rails and driven by a motor through a V-belt and pulleys transmission.

REFERENCES:
patent: 1645339 (1927-10-01), Monroe
patent: 1817077 (1931-08-01), Gustaveson
patent: 3003497 (1961-10-01), Nunes
patent: 3039458 (1962-06-01), Hill
patent: 3640272 (1972-02-01), Hussey
patent: 3709047 (1973-01-01), Zaruba et al.
patent: 3882856 (1975-05-01), Heuser et al.

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