JPH0251903U

JPH0251903U -

Info

Publication number: JPH0251903U
Application number: JP13190988U
Authority: JP
Priority date: 1988-10-07
Filing date: 1988-10-07
Publication date: 1990-04-13

Description

[Brief explanation of drawings]

第１図はこの考案の好適な回転式脚車を示す斜
視図、第２図は同上脚車の縦断側面図、第３図は
従来の一般的な回転式脚車を示す側面図、第４図
は同上脚車の縦断正面図である。１…脚柱、２…有底軸筒、３…車輪受け、４…
スラストベアリング、５…車輪、６…緩衝バネ。 Fig. 1 is a perspective view showing a preferred rotary caster of this invention, Fig. 2 is a vertical side view of the same upper caster, Fig. 3 is a side view showing a conventional general rotary caster, and Fig. 4 is a side view showing a conventional rotary caster. The figure is a longitudinal sectional front view of the same upper landing gear vehicle. 1... Pillar, 2... Bottomed shaft tube, 3... Wheel support, 4...
Thrust bearing, 5...wheel, 6...buffer spring.

Claims

[Claims for Utility Model Registration] 1. A bottomed shaft cylinder having a cross-sectional bearing flange on the upper part of the outer periphery, and a pair of the shaped bearing flange and the above-mentioned bearing flange in the upper opening of the cylinder rotatably fitted onto the shaft cylinder. A wheel support having a cross-sectional bearing surface, which is screwed to the bottom of a bottomed shaft cylinder via a drop-prevention washer, and a ball is inserted between the shaped bearing flange and the shaped bearing surface. It consists of a thrust bearing and a wheel that is pivotally attached to the wheel receiver via a buffer spring. A rotary caster with a structure that is fixed externally. 2. Claim 1 of the utility model registration claim, characterized in that the thrust bearing mounting part has a sealed structure by fitting concave and convex portions so that the collar for the upper type bearing is on the outside and the lower side type bearing surface is on the inside. rotary casters.