作者: Ken Picou
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摘要: A portable reversible chair apparatus with pivotal connections enabling the device to be converted from a "posture" configuration conventional simply and quickly. While is in adjustments are possible that allow users of different size select seat angle knee rest distance which most comfortable for them. The designed flex verticle plane allowing seated user shift weight position comfortably safely. critical joints pivot thus eliminating racking joints. Rigidity derived triangulation rather than very stable due its large base sits well on an uneven surface because it rests three points traditional four.