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Axle swing controller for industrial vehicle

A technology for industrial vehicles and vehicles, applied in the direction of lifting devices, vehicle components, vehicle subunit functions, etc., can solve the problem of reducing the visibility of gauges and indicators on the dashboard

Inactive Publication Date: 2004-03-24
TOYOTA IND CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this reduces the visibility of the gauges and indicators on the dashboard

Method used

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  • Axle swing controller for industrial vehicle
  • Axle swing controller for industrial vehicle
  • Axle swing controller for industrial vehicle

Examples

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Embodiment Construction

[0022] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Such as Figure 5 As shown, a typical industrial vehicle or forklift 1 is a front drive, rear steerable four wheel vehicle (two front wheels 7 and two rear wheels 11). In front of the front wheel 7 there are two outer struts 2 . Each strut 2 is obliquely connected to the vehicle body 1 a of the forklift 1 through a tilt cylinder 5 . Two inner struts 3 are arranged between the outer struts 2 . The inner pillar 3 is supported by the outer pillar 2 so that the inner pillar 3 can be raised and lowered. The fork 4 is supported by the inner strut 3 . A sprocket is mounted on the upper part of the inner pillar 3 to move the fork 4 along the inner pillar 3 .

[0023] As shown in FIG. 3 , the front wheels 7 are operatively connected to an engine 9 through a differential ring gear 8 and a transmission (not shown). As shown in FIGS. 3 and 4, a rear axle 10 on whi...

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PUM

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Abstract

An industrial vehicle including an axle to which wheels are mounted and supported to pivot vertically relative to a body of the vehicle. The vehicle includes a pivot control apparatus for controlling pivoting of the axle. The industrial vehicle further includes a controller for determining whether an abnormality has occurred in the pivot control apparatus. A warning lamp has two or more different modes. The modes include an abnormality mode for indicating the occurrence of an abnormality in the pivot control apparatus and a normality mode for indicating normal functioning of the pivot control apparatus. The controller also notifies the operator of two or more additional different pieces of information using the modes of the warning lamp. That is, the single warning lamp also indicates the reason for restricting the axle by its color.

Description

technical field [0001] This invention relates to industrial vehicles such as lift trucks and, more particularly, to devices for limiting oscillation of oscillating axles. Background technique [0002] Familiar industrial vehicles such as forklifts use oscillating axles to improve vehicle stability. For example, the axle on which the rear wheels are mounted is pivotally supported relative to the body of the forklift. However, if the axle swings when the forklift turns and tilts the vehicle body, it will make the vehicle unstable. [0003] Therefore, Unexamined Japanese Patent Application No. 58-211903 proposes a forklift using an axle swing control device that restricts the swing of the axle corresponding to the centrifugal force generated when the forklift turns. The forklift has a centrifugal force sensor and a device to lock the axle. Sensors detect the centrifugal force acting on the forklift. If the centrifugal force detected by the sensor exceeds a predetermined val...

Claims

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Application Information

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IPC IPC(8): B66F9/22B66F9/24B66F17/00
CPCB66F17/003B60G2200/322B60G2204/46B60G2300/022B66F9/07586B66F9/0759B66F17/006B60Y2400/86B60Y2200/15
Inventor 石川和男野川国治
Owner TOYOTA IND CORP
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