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US 6,296,234 B1Granted
Crush barrier
OwnerRobert De Boerinventor
Life of this patent
Estimating the term…
Abstract
The present invention relates to a crush barrier, comprising a support and an essentially vertically positioned flat screen, fixed to said support. The crush barrier according to the invention is characterized in that said support forms an essentially rectangular flat element that is hingebly connected to said support with the aid of one or more arms, the various features being such that the screen is able to hinge from a folded-down position essentially parallel to the support into an opened-out position essentially transverse to the support.
Claims5
A crush barrier comprising:
- a ground support that comprises a substantially flat and rectangular frame adapted to be placed on ground where the crush barrier is to be erected;
- a substantially flat barrier screen attached to said support and that is movable between a first position in which said screen is generally parallel to said support and a second position in which said screen is substantially perpendicular to said support;
- arms hinged to a top of said screen and to said frame and that support said screen in the second position;
- and
- lips attached to a bottom of said screen, each of said lips having a screen alignment hole therethrough that is aligned with a corresponding hole in said frame when said screen is in the second position,
- the bottom of said screen being movable relative to said support to move said screen between the first and second first positions,
- said support having a first interior portion that is covered and a second interior portion that is open, the bottom of said screen defining a division between said first and second interior portions when said screen is in the second position.
4 more elements
Dependencies are inferred from the claim text.