| 摘要 |
<p>PURPOSE: A functional chair is provided to massage back and vertebrae of a user by moving a massage roller through an operation hole. CONSTITUTION: A functional chair comprises an armrest(20), a seat back(30), a back support(31), a rotary shaft(41), rotary plates, operation bars(52), and a massage roller(53). The armrest is fixed to the lateral part of each rotary plate and protrudes the massage roller from the front of the seat back. The seat back is fixed to the back support and forms a plurality of operation holes in both sides thereof. The back support is combined a rear of a seat plate and is extended upward. The rotary shaft is fixed to the rear center of the seat back. The rotary plate is pivotally fixed to the rotary shaft. The massage roller is pivotally fixed between the operation bars.</p> |
