Surgery – Truss – Perineal
Patent
1975-11-05
1976-11-23
Trapp, Lawrence W.
Surgery
Truss
Perineal
A61H 700
Patent
active
039930521
ABSTRACT:
A massage treatment device including; an electric motor and reduction gear being mounted in a casing of the body proper of the device; a gear casing disposed adjacent to the casing of the body proper; a first gear-mounting member directly coupled to an output shaft of the reduction gear, which projects within the gear casing from the casing of the body proper; a first gear fixedly mounted on the first gear-mounting member; three gear-mounting members journaled in respective bearings provided in the gear casing in parallel relation to the first gear-mounting member; other three gears fixedly mounted on the three gear-mounting members, respectively, the first gear and the other three gears being arranged in a circle in meshing relation to adjacent gears, thereby constituting a circular gear arrangement; four swivel bearings attached to the outer wall of the gear casing in the positions located on the extension lines of the center axes of respective gears; eccentric, engaging holes provided eccentrically in the gear-mounting members, respectively, with one engaging hole of one gear-mounting member angularly deviated by 90.degree. from other engaging hole of the adjacent gear-mounting members; four operating rods journaled in the swivel bearings, respectively and each having the lower end fitted in engaging relation in each eccentric, engaging hole; and cap members fitted on the top ends of respective operating rods and made of a rubbery material; the first gear being rotated by the electric motor, thereby causing a rhythmic movement of the cap members covering the top ends of respective operating rods, the rhythmic movement consisting of a given cycle of circular motions of respective cap members.
REFERENCES:
patent: 1931849 (1933-10-01), Matson
patent: 2038846 (1936-04-01), Matson
patent: 2232493 (1941-02-01), Stuckey et al.
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