JPS59121550U

JPS59121550U - power transmission device

Info

Publication number: JPS59121550U
Application number: JP1275583U
Authority: JP
Inventors: 登金山; 弘明武知
Original assignee: 株式会社小松製作所
Priority date: 1983-02-02
Filing date: 1983-02-02
Publication date: 1984-08-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図、第２図は従来例を示すもので、第１図は正面図
、第２図は断面図、第３図以下は本考案の実施例を示す
もので、第３図は断面図、第４図は第３図のＩＶ−ＩＶ
線に沿う断面図、第５図Ａ、　Ｂは無負荷時におけるボ
ールとカム溝との保合状態を示す断面図と正面図、第６
図Ａ、　Ｂは負荷時におけるボールとカム溝との保合状
態を示す断面図と正面図、第７図、第８図はカムとイン
ナーレースとの嵌合部の実施例を示す断面図である。１はリング、２は回転軸、３ａ、３ｂはカム、６は可撓
摩擦リング、７はプレート、８はボール、１１はカム溝
。Figures 1 and 2 show a conventional example; Figure 1 is a front view, Figure 2 is a sectional view, and Figures 3 and below show embodiments of the present invention; Figure 3 is a sectional view. , Figure 4 is IV-IV of Figure 3.
A cross-sectional view along the line, Figures 5A and B are a cross-sectional view and a front view showing the state of engagement between the ball and the cam groove under no load, and Figure 6 is a front view.
Figures A and B are cross-sectional views and front views showing the state of engagement between the ball and the cam groove under load, and Figures 7 and 8 are cross-sectional views showing examples of the fitting portion between the cam and the inner race. be. 1 is a ring, 2 is a rotating shaft, 3a and 3b are cams, 6 is a flexible friction ring, 7 is a plate, 8 is a ball, and 11 is a cam groove.

Claims

[Claims for Utility Model Registration] A ring 1 having a cylindrical inner peripheral surface 1a, and this ring 1
The rotary shaft 2 is located at the center of the shaft, and the rotary shaft 2 is divided into a plurality of parts in the direction perpendicular to the axis and is fitted to the rotary shaft 2, and the outer peripheral shape when fitted to the rotary shaft 2 is elliptical. Furthermore, the cam 3a is formed into a hollow shape. 3b, a flexible bearing fitted to the outer periphery of the cams 3a, 3b, and a cam 3a, fitted to the flexible bearing;
A flexible friction ring 6 which contacts the inner circumferential surface of the ring 1 on the outside of the long axis part of the ring 3b and whose radius in the circular state is smaller than the radius of the inner circumferential surface 1a of the ring 1; a cam 3a that is engaged in the rotational direction and is movable in the axial direction;
A plate 7 fitted opposite to the side surface of the cam 3b, a spring biasing device that biases the plate 7 toward the cams 3a and 3b, and a spring biasing device interposed between the cams 3a and 3b and the plate 7. , and an arc-shaped cam groove 1 provided on at least one side surface of the cams 3a, 3b and the plate 7 with varying depth in the arc direction.
1. A power transmission device characterized in that it consists of driving balls 8, 8 that engage with 11.