Hand-held vibratory massager

Details Hand-held vibratory massager Hand-held vibratory massager

1989-04-27

1990-09-25

Apley, Richard J.

Surgery

Truss

Perineal

128 34, 128 44, A61H 100

Patent

active

049586289

ABSTRACT:
A hand-held vibratory massager has a self-contained applicator head which is resiliently connected to a hand grip for limited movement in substantially all directions relative to the hand grip. A drive motor and an eccentric flyweight are mounted together within the applicator head for making it as a self-contained vibrating unit. The eccentric flyweight is connected to a motor output shaft in an eccentric relation thereto for imparting vibration to the applicator head upon rotation of the output shaft. Also mounted within the applicator head is a counterweight which provides dynamic balancing of the applicator head in such a manner as to coincide the center of mass of the entire applicator head with that of the flyweight in the axial direction of the output shaft.

REFERENCES:
patent: 3364922 (1968-01-01), Teranishi
patent: 3580246 (1971-05-01), Foreman
patent: 3710785 (1973-01-01), Hilger
patent: 3735757 (1973-05-01), MacFarland
patent: 4025809 (1977-05-01), Teranishi
patent: 4052981 (1977-10-01), Bachmann
patent: 4149530 (1979-04-01), Gow
patent: 4224932 (1989-06-01), Farb
patent: 4604993 (1986-08-01), Moriwaki et al.
patent: 4825853 (1989-05-01), Iwamoto et al.

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