Straddle carrier with automatic steering
First Claim
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1. A straddle carrier for transporting and stacking freight containers comprising:
- (a) first and second horizontally and side by side arranged chassis beams having steerable wheels for travelling over a container stack;
(b) at least one laser scanner for measuring distance to a container wall from different angles;
(c) an electronic control for receiving measurement signals sent by said at least one laser scanner; and
(d) an electronically regulated vehicle steering system;
wherein said electronic control calculates a steering angle reference value for the electronically regulated steering system from the measurement signals,wherein when a measured distance to a container wall is below a certain limit, automatic steering is activated.
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Abstract
A straddle carrier for transporting and stacking freight containers, with automatic steering, is made up of two chassis beams having steerable wheels, for traveling over the container stack. At least one laser scanner measures the distance to a container wall from different angles, and passes the measurement signals to an electronic control, which calculates a steering angle reference value for the electronically regulated vehicle steering from the measurement signals.
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Citations
8 Claims
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1. A straddle carrier for transporting and stacking freight containers comprising:
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(a) first and second horizontally and side by side arranged chassis beams having steerable wheels for travelling over a container stack; (b) at least one laser scanner for measuring distance to a container wall from different angles; (c) an electronic control for receiving measurement signals sent by said at least one laser scanner; and (d) an electronically regulated vehicle steering system; wherein said electronic control calculates a steering angle reference value for the electronically regulated steering system from the measurement signals, wherein when a measured distance to a container wall is below a certain limit, automatic steering is activated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification