The invention provides a wheel restraint system for blocking a wheel at a loading dock that includes a driveway (24), the wheel restraint system comprising a track (58) mountable to the driveway (24), the track (58) includes a plurality of discrete catches...

Systems and methods to detect and warn proximate entities of interest are described herein. In some examples, a trajectory vector is generated for at least two entities of interest based on at least one characteristic of movement of each entity. Each entit...

A light fixture assembly comprises a door frame (18) defining a doorway (20); a housing (22); a light source (24) disposed within the housing (22) to emit a light beam; and a first rod (14a) and a second rod (14b) arranged in an L-shape with the light sour...

A wheel restraint for restraining a vehicle at a loading dock includes various features such as, a wheel chock supported by a spring loaded articulated arm with a spring that can be selectively tightened or released, a sensor that detects whether the chock...