초록 ▼

A vehicle barrier in which two arms (6, 10) linked by a linking member (14) are pivoted to a base structure (1) so that they collapse into a recess (5) in the structure to “open”the barrier. To close the barrier the arms are raised and may be latched and locked in place, the arms and structure prefe

A vehicle barrier in which two arms (6, 10) linked by a linking member (14) are pivoted to a base structure (1) so that they collapse into a recess (5) in the structure to “open”the barrier. To close the barrier the arms are raised and may be latched and locked in place, the arms and structure preferably forming a triangular shape when erect.

대표청구항 ▼

A vehicle barrier, comprising a bracket structure having a first end and a second end, a first arm having a first end and a second end, said first end of said first arm being pivotally attached to said first end of said bracket structure and a second arm having a first end and a second end, said fir

A vehicle barrier, comprising a bracket structure having a first end and a second end, a first arm having a first end and a second end, said first end of said first arm being pivotally attached to said first end of said bracket structure and a second arm having a first end and a second end, said first end of said second arm being pivotally attached to said second end of said bracket structure, link means for linking said first arm to said second arm, said first arm and said second arm being movable from a stowed position to an erect position where said first arm and said second arm extend upwards from said bracket structure characterized by walls defining a recess into which said first arm and said second arm are movable in the stowed position and comprising an urging means for urging at least one arm into the erect position wherein in the erect position said second end of said first arm is positioned approximately over the mid point between said first end of said bracket structure and said second end of said bracket structure so that said first arm, said second arm, said link means and said bracket structure form a substantially equilateral triangle.