| 摘要 |
PROBLEM TO BE SOLVED: To enable a knee stand to be easily used for curing or preventing waist pain and removing fatigue and dropsy at home or a trip destination. SOLUTION: This stabilizing stand is foldable for convenience of carrying and can be stored without requiring a wide space. The stand can be quickly changed in the form to widen its use. The stand is especially used on a bed when a user is going to sleep. Waist pain is eased in time. When the stand begins to disturb sleeping, it can be unconsciously removed in a moment by one simple motion as the user is laying on the bed. Thus the user can enjoy a quiet sleep.
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