发明名称 Chair with tiltable backrest
摘要 A chair comprising, a base structure including two rear tubular elements open at the top, a backrest having two tubular portions open at the bottom and aligned to said tubular elements of the base structure, and two elastic devices, each of which has a top support inserted in a tubular portion of the backrest, a bottom support inserted in the corresponding tubular element of the base structure, and an elastic element flexurally deformable to enable tilting between the top support and the bottom support, wherein each of said elastic devices comprises a plurality of sectors stacked on top of one another and arranged between the top support and the bottom support, and wherein, in a resting position of the elastic element, a plurality of slits are formed on the rear side of each elastic device between each pair of adjacent sectors.
申请公布号 US8282166(B2) 申请公布日期 2012.10.09
申请号 US20090612959 申请日期 2009.11.05
申请人 PIRETTI GIANCARLO;PRO-CORD S.P.A. 发明人 PIRETTI GIANCARLO
分类号 A47C3/00 主分类号 A47C3/00
代理机构 代理人
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