| 摘要 |
An outrigger to prevent a moving vehicle from overturning includes an arm that normally stays in a retracted, stored position that allows the vehicle freedom to travel, but then automatically extends to brace the vehicle in response to tilting to a predetermined limit. The arm has a pivotal or linear motion driven by virtue of its own weight or by spring force. A releasable latch holding the arm in the stored position automatically releases the arm in response to a mechanical or electrical tilt sensor that detects that the vehicle has tilted to the limit.
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