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Plastic movable guide device for transmission

A transmission and guide technology, applied in transmissions, belts/chains/gears, mechanical equipment, etc., to reduce lateral vibration, prevent deformation, and avoid contact

Inactive Publication Date: 2006-09-20
TSUBAKIMOTO CHAIN CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the variation of the manufacturing process precision and the difference of the thermal expansion coefficient of the material and other reasons will make the diameter of the through hole 308A smaller than the diameter of the installation hole 305, causing the inner wall end of the through hole 308A to protrude inwardly than the inner wall of the installation hole 305

Method used

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  • Plastic movable guide device for transmission
  • Plastic movable guide device for transmission
  • Plastic movable guide device for transmission

Examples

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example 2

[0062] Example 2, reference Figure 6 And 7 It describes another embodiment of the present invention. Figure 6 The assembled state of the plastic movable guide 200 is shown. The movable guide is formed by inserting the reinforcing plate 208 into the guide body 201 along the arrow direction. Figure 7(a) shows the edge Figure 6 A cross-sectional view of line D-D in which the shaft support device 209 is fitted, and Fig. 7(b) shows an enlarged cross-sectional view of part E of Fig. 7(a).

[0063] In Example 2, the reinforcing rib 203' provided on the vertical plate portion 203 is formed such that it extends substantially in the vertical direction relative to the slide rail portion 202. However, the shape of the reinforcing ribs can be appropriately selected according to the required strength and formability. In addition, in order to reduce the weight of the guide, a through hole (through hole) 208B is provided in the reinforcing plate 208.

[0064] In Example 2, the through hole has...

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PUM

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Abstract

The invention provides a plastic movable guide which has superior silence and wear resistance properties, and can reduce a manufacturing cost, and further has superior assemblability. In the plastic movable guide for a transmission device, a guide body 101 having a shoe portion 102 brought into sliding contact with a running transmission medium, and a vertical plate-shape portion 103 provided on the reverse side of the shoe portion 102 to extend in the longitudinal direction of the guide, is integrally formed from synthetic resin. A reinforcement plate 108 is inserted into a slit formed in the vertical plate-shape portion 103 so as to extend in the longitudinal direction of the guide and to open at a vertical end portion thereof. A mounting hole 105 for pivotally mounting the guide on a frame of an engine, drive mechanism or the like is drilled at the fixed end portion side of the guide body 101. Further, a through-hole 108, which is positioned and tighten by means of rotatably supporting means, together with the mounting hole 105 of the guide body 101, is drilled at one end portion side of the reinforcement plate 108. The diameter of the through-hole 108 is defined to be larger than that of the mounting hole 105.

Description

Technical field [0001] The present invention relates to a plastic movable guide for a transmission device, which is rotatably installed around an axis, for example, as a tension rod, sliding part and the like. The movable guide is used for such a transmission device, that is, by driving The side sprocket, the driven side sprocket, and the chain that circulates around these sprocket transmits power from the driving side to the driven side, or the movable guide is used in such a transmission device, that is, through the driving side pulley, The driven side pulley and the belt circulating around these pulleys transmit power from the driving side to the driven side. Background technique [0002] The engine, driving device or similar device usually includes a transmission device, as shown in Figure 10, which transmits power through a chain, belt or the like. In this kind of transmission device, the movable guide Ga is in sliding contact with the circulating transmission medium C. It h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H7/18F16H7/08F16H7/02F16H7/06
CPCF16H7/18F16H2007/0872
Inventor 河野敦黑畑纯也小西达也
Owner TSUBAKIMOTO CHAIN CO