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US 4,055,170 AGranted
Health promoting apparatus
OwnerRyotaro Nohmurainventor
Life of this patent
Estimating the term…
Abstract
A health promoting apparatus comprising a chair, bed or the like with a loudspeaker incorporated therein. An opening formed in the chair is closed by a pretensioned flexible sheet. The sound waves from the loudspeaker cause the flexible sheet to vibrate, said vibrations being transmitted to a chair occupant.
Claims4
An apparatus for health promotion comprising:
- a hollow supporting structure for supporting a human body resting on said apparatus, said supporting structure formed with an opening at a seat portion on which the occupant rests,
- a tubular member mounted inside said supporting structure so as to be directed toward said opening,
- flexible sheet means stretched over the upper end of said tubular member so as to close said opening;
- means for pretensioning said flexible sheet means;
- and
- a loudspeaker mounted inside said tubular member so as to be slightly spaced from, and directed toward, said flexible sheet means, whereby sound vibrations eminating from said loudspeaker cause said flexible sheet means to vibrate.
3 more elements
Dependencies are inferred from the claim text.