JPH03129528U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る回転機構を構成した回転
腰掛を示す側面図、第２図は同じく正面図、第３
図は本考案の第一の実施例を示す説明図、第４図
は同じく回転機構を示す平面図、第５図は同じく
側面図、第６図は第５図部拡大図、第７図は本
考案の第二の実施例を示す説明図、第８図は同じ
く要部拡大図、第９図は本考案の第三の実施例を
示す要部拡大図、第１０図は本考案の第四の実施
例を示す要部拡大図、第１１図は従来の球軸受け
を構成した回転装置の正断面図である。 １……腰掛本体、２……脚台、３……台枠、４
……座ぶとん、７……背ずり、８ａ，８ｂ……ラ
イナー、９……開口、９ａ……内縁、１０……押
え板。 Fig. 1 is a side view showing a rotating seat constituting a rotating mechanism according to the present invention, Fig. 2 is a front view, and Fig.
The figure is an explanatory diagram showing the first embodiment of the present invention, FIG. 4 is a plan view showing the rotation mechanism, FIG. 5 is a side view, FIG. 6 is an enlarged view of the portion of FIG. An explanatory diagram showing the second embodiment of the present invention, FIG. 8 is an enlarged view of the main parts, FIG. 9 is an enlarged view of the main parts showing the third embodiment of the invention, and FIG. 10 is an enlarged view of the main parts of the invention. FIG. 11 is an enlarged view of the main part showing the fourth embodiment, and a front sectional view of a rotating device comprising a conventional ball bearing. 1... Seat body, 2... Leg stand, 3... Underframe, 4
... Sitting cushion, 7... Back seat, 8a, 8b... Liner, 9... Opening, 9a... Inner edge, 10... Presser plate.

Claims (1)

【実用新案登録請求の範囲】 (1) 腰掛本体を載設する脚台上面に台枠を回転
自在に支承して成る回転腰掛において、 台枠下面に所定内径の円形状開口を形成し、該
開口の内縁を合成樹脂製のライナーによつて挟持
すると共に、該ライナーを脚台上に固定し、台枠
が該ライナーを介し、上記脚台上において回動自
在に固定されて成ることを特徴とする 回転腰掛の回転機構。 (2) 上記台枠の開口内縁を脚台上に固定した数
枚のライナーによつて挟持する構造に成ることを
特徴とする請求項１記載の 回転腰掛の回転機構。 (3) 上記台枠の開口内縁を縦断面形状コ字状で
環状のライナーで挟持する構造に成ることを特徴
とする請求項１記載の 回転腰掛の回転機構。[Scope of Claim for Utility Model Registration] (1) In a rotating seat consisting of a base frame rotatably supported on the top surface of a leg base on which the seat body is placed, a circular opening with a predetermined inner diameter is formed in the bottom surface of the base frame, and The inner edge of the opening is sandwiched between synthetic resin liners, the liner is fixed on a leg stand, and the underframe is rotatably fixed on the leg stand via the liner. A rotating mechanism for a rotating seat. (2) The rotating mechanism for a rotating seat according to claim 1, characterized in that the inner edge of the opening of the underframe is held between several liners fixed on the footrest. (3) The rotating mechanism for a rotating seat according to claim 1, wherein the inner edge of the opening of the underframe is sandwiched between annular liners having a U-shaped vertical cross section.