Mobile loading dock with free fall protection
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United States of America Patent
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Aug 30, 2016
Grant Date -
Apr 21, 2016
app pub date -
Dec 21, 2015
filing date -
May 28, 2013
priority date (Note) -
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Abstract
A mobile loading dock including a planar ramp member having a lower end and an upper end including an upper edge having a lip, the lip resting on a trailer bed. A ramp underside including a wheel assembly thereupon, the wheel assembly having a hydraulic member, a leg hingedly attached to the ramp underside; a wheel attached to the leg at an axle and disposed to contact a ground surface beneath the mobile loading dock and a hydraulic velocity fuse. If the trailer bed moves while the lip is resting on the trailer bed the hydraulic velocity fuse engages and prevents free fall of the ramp member to the ground.
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