| 摘要 |
This invention relates to a pelvis protecting chair composed with elastic seats. This invention is composed of a base(10) mounted on a stationary part(60) with a castor(66) mounted stand(65), at least one set of seat supports(20) hinged to the base, a spring(30) elastically connecting the base(10) and the seat support(20), seats(50) mounted to the seat supports(20), and armrests(75) and a backboard(70) mounted to the base(10). |
