Central tube fallout prevention structure of chair

摘要

(57) Abstract Objective To designate the trail of the chair as the synthetic resin make, the median tPer it is attached, interposing supporting the tapered section of the central tube in the support holeIt designates that the fact that the central tube fallout is prevented as purpose. Constitution Forming trail 1 with the synthetic resin, in the centerAs it becomes the lower part, the support hole which possesses the taper which becomes small diameterTo form 2, in this support hole 2 in lower part the aforementioned taper the sameThe chair which it interposes supports central tube 3 of the metal make which possesses the taperPutting, the aforementioned support hole 2 tapered section 3of a central tube 3In fit face-to-face, with metal net producing material such as stainless steel converse the headLying between the intermediate component 4 which was formed in conical form, central tube 3It features that it presses in locks.