JPS61155235U

JPS61155235U -

Info

Publication number: JPS61155235U
Application number: JP1985039028U
Authority: JP
Priority date: 1985-03-20
Filing date: 1985-03-20
Publication date: 1986-09-26

Description

[Brief explanation of the drawing]

第１図〜第３図は本考案の一実施例を示し、第
１図は回転装置を組み込んだ座席の縦断面図、第
２図は回転装置のローラ機構と座席とを示す底面
図、第３図は回転装置の回転案内レールと前後移
動装置とを示す平面図、第４図、第５図はローラ
機構の他の態様をそれぞれ示す断面図、第６図は
従来の回転装置を示す断面図である。１０……座席、２０……回転装置、２１……回
転案内レール、２１ａ……垂直部、２１ｂ，２１
ｃ……水平部、２５，５５，６５……ローラ機構
、２８，２９，５６，６８……ローラ、２８ａ，
５８ａ，６８ｂ……ローラの周面、２９ａ，５９
ａ，６８ａ……ローラの側面。 1 to 3 show one embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view of a seat incorporating a rotating device, FIG. 2 is a bottom view showing the roller mechanism of the rotating device and the seat, and FIG. 3 is a plan view showing the rotation guide rail and the forward and backward moving device of the rotating device, FIGS. 4 and 5 are sectional views showing other aspects of the roller mechanism, and FIG. 6 is a sectional view showing the conventional rotating device. It is a diagram. DESCRIPTION OF SYMBOLS 10... Seat, 20... Rotation device, 21... Rotation guide rail, 21a... Vertical part, 21b, 21
c...Horizontal part, 25, 55, 65...Roller mechanism, 28, 29, 56, 68...Roller, 28a,
58a, 68b...Roller circumferential surface, 29a, 59
a, 68a...side surface of the roller.

Claims

[Scope of claim for utility model registration] (1) In a rotating device that is provided between a vehicle body and a seat and supports the seat so that it can rotate horizontally,
An annular rotation guide rail is installed on one side of the seat, and three or more sets of roller mechanisms that roll along this rotation guide rail are installed on the other side, and the cross-sectional shape of the rotation guide rail is a continuous horizontal one. and a vertical part, and each roller mechanism has at least one roller, the circumferential surface of the roller is in contact with the horizontal part of the rotation guide rail, and the side surface is in contact with the vertical part of the rotation guide rail. Characteristic vehicle seat rotation device. (2) The roller mechanism has a small diameter roller and a large diameter roller that rotate independently of each other, the circumferential surface of the small diameter roller is in contact with the horizontal part of the rotation guide rail, and the side surface of the large diameter roller is in contact with the horizontal part of the rotation guide rail. The rotating device for a vehicle seat according to claim 1, which is in contact with a vertical portion. (3) The roller mechanism has one stepped roller integrally having a small diameter part and a large diameter part, the circumferential surface of the small diameter part is in contact with the horizontal part of the rotation guide rail, and the side surface of the large diameter part is in contact with the horizontal part of the rotation guide rail. The rotating device for a vehicle seat according to claim 1, wherein the rotation guide rail is in contact with a vertical portion of the rotation guide rail.