PROBLEM TO BE SOLVED: To provide a vehicular sheet rotation device capable of lowering a height and reducing the number of the parts.SOLUTION: A slide member 13 and a rotary member 14 are coupled in a turnable state by a first slider mechanism arranged by including a plurality of second rolling balls 22 between the slide member 13 and the rotary member 14 and a second slider mechanism arranged by including a plurality of first rolling balls 24 between an annular part 21a of a coupling member 21 fixed to the rotary member 14 and the slide member 13.COPYRIGHT: (C)2013,JPO&INPIT【課題】高さを低くでき、かつ、部品点数を削減できる車両のシート回転装置を提供する。【解決手段】スライド部材13と回転部材14とは、スライド部材13と回転部材14との間に複数の第2転動球22を含んで設けられた第1摺動機構と、回転部材14に固定された連結部材21の環状部21aとスライド部材13との間に複数の第1転動球24を含んで設けられた第2摺動機構とにより回動自在な状態で連結される。【選択図】図5
