Beds – Bedclothing – And means to facilitate changing thereof
Patent
1978-05-15
1980-02-12
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5109, 128 33, A47C 2708, A61G 704, A61H 100, A47D 902
Patent
active
041875680
ABSTRACT:
A vibratory transducer in combination with a water bed structure including a frame with vertical side walls, a horizontal platform within the frame and a water filled bladder mattress within the frame and supported by the platform; said transducer includes a body in seated engagement in a corner established by the top of the platform on the inner surface of one side wall, said body has an inwardly and upwardly disposed inner side with an access opening extending diagonally across said corner; a drive plate is engaged with the mattress and overlies said inner side in spaced relationship, means is provided to couple the plate with the body for limited movement relative thereto; an electro magnetic vibrator is fixed to the plate to project freely through said access opening and into the body and is operable to vibrate the plate and transmit vibratory motion into and through the mattress.
REFERENCES:
patent: 3529311 (1970-09-01), Crawford
patent: 3872526 (1975-03-01), Betts
patent: 4114215 (1978-09-01), Santo
McMullan James P.
Stevens Albert
Grosz Alexander
Maxwell Georges A.
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