| 摘要 |
PROBLEM TO BE SOLVED: To allow a worker to approach a worktable while facing forward and taking an attitude similar to a standing attitude and to do work safely for a long time without stressing his or her waist and knees and to design a chair to remain in place during use without unwanted movement and to be moved easily. SOLUTION: A user is allowed to easily assemble leg members according to his or her own height and sit on this tripod while taking an attitude similar to a standing attitude. Leg opening/closure prevention members 7 and 8 mounted for reinforcement purposes are arranged in the form of T so as not to get in the way of the user's legs. A caster 9 for movement is attached only to the front leg 4 and is installed slightly floated from the floor to assure stability.
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