Swing control apparatus for industrial vehicle
First Claim
1. An industrial vehicle for carrying a load, the industrial vehicle comprising:
- a frame;
a pair of front wheels rotatably supported by the frame, each front wheel fitted with an outer tire and an inner tire;
a rear axle supported by the frame, wherein the rear axle is pivotal with respect to the frame;
a pair of rear wheels rotatably mounted on the rear axle;
a restriction apparatus for selectively permitting and restricting the pivotal motion of the rear axle in accordance with the state of the carried load;
a detecting device for detecting a center of gravity of the vehicle;
wherein the restriction apparatus permits the pivotal motion of the rear axle when the center of gravity is located within a predetermined zone.
1 Assignment
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Accused Products
Abstract
An industrial vehicle for conveying a load mounted thereon has a frame. A pair of front wheels is rotatably mounted on the frame. Each front wheel includes an outer tire and an inner tire. A rear axle is pivotally supported on the frame. A pair of rear wheels is rotatably mounted on the rear axle. A restriction apparatus is provided for selectively permitting and restricting the pivotal motion of the rear axle in accordance with the state of the carried load. A detecting device is provided for detecting a center of gravity of the vehicle. The restriction apparatus permits the pivotal motion of the rear axle when the center of gravity is located within a predetermined stable zone.
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Citations
10 Claims
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1. An industrial vehicle for carrying a load, the industrial vehicle comprising:
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a frame; a pair of front wheels rotatably supported by the frame, each front wheel fitted with an outer tire and an inner tire; a rear axle supported by the frame, wherein the rear axle is pivotal with respect to the frame; a pair of rear wheels rotatably mounted on the rear axle; a restriction apparatus for selectively permitting and restricting the pivotal motion of the rear axle in accordance with the state of the carried load; a detecting device for detecting a center of gravity of the vehicle; wherein the restriction apparatus permits the pivotal motion of the rear axle when the center of gravity is located within a predetermined zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification