Matches 1 - 5 out of 5
Match Document Document Title
7367596 Ground lock fitting  
A ground lock fitting comprises: an upper cover comprises a top surface and an upper sidewall, wherein a guiding hole is provided on the top surface and a thread is provided on the upper sidewall;...
6955495 Retractable delimiters for runways, roads and the like  
A delimiter that can be arranged along the sides of a runway. The delimiter can be locked in an upright position for most normal operations. When the runway must be cleared of snow, an operator can...
6848856 Rectractable pylon arrangement  
A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian...
6626606 Retractable pylon arrangement  
A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian...
5975792 Citylift  
The present invention relates to an improved security control barrier for use in controlling ingress and egress to entranceways, exit ways, driveways, and parking spots. The device consists of a...
Matches 1 - 5 out of 5