发明名称 Retractable fluid-filled speed bump/vehicle restrictor
摘要 Primary vehicle impedance is provided when an actuator exerts a rigid object against a envelope of enclosed fluid to activate the restriction surface by pushing the fluid from the reservoir to the supporting side of the restriction surface. Reversal of the actuator withdraws the rigid object from the enclosed fluid volume, allowing the fluid to return from supporting the deployed restriction surface back to the reservoir. Secondary vehicle impedance is provided when the vehicle's tires traverse a predetermined contoured shape of the restriction surface. Continuous contact between the radial tire surface and the ends of the restriction surface is maintained by tapering the ends. Static structural components support the fluid and distribute the forces to the ground as the impact and weight of the vehicle's tires are applied to the restriction surface.
申请公布号 US7476052(B2) 申请公布日期 2009.01.13
申请号 US20020247858 申请日期 2002.09.20
申请人 HALL BRETT OSMUND 发明人 HALL BRETT OSMUND
分类号 E01F13/00;E01F9/047 主分类号 E01F13/00
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