Exercise devices – Isometric
Patent
1993-04-08
1994-10-11
Apley, Richard J.
Exercise devices
Isometric
606198, A63B 21002
Patent
active
053542509
ABSTRACT:
An apparatus for training and treating the muscles of the female pelvic diaphragm and having a form corresponding to the vagina includes an external shell (1) axially divided into a number of mutually separated segments (3-9) which are separately connected by connecting pieces (3'-9') formed as longitudinal cams to a displacement mechanism (10) mounted axially around a hollow shaft (12) inside the apparatus, the displacement mechanism being prevented from rotating around the shaft (12), and wherein a mechanical displacement of the mechanism (10) in one or the other axial direction through the connecting pieces (3'-9') as a result of the construction of the mechanism results in a radial movement of the segments (3-9), thereby dilating or retracting the shell (1).
REFERENCES:
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patent: 1827497 (1931-10-01), Varney
patent: 3039462 (1932-06-01), Walden et al.
patent: 3192928 (1965-07-01), Horton
patent: 4050449 (1977-09-01), Castellana et al.
patent: 4566465 (1986-01-01), Arhan et al.
Apley Richard J.
Molloo Jeanne M.
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