School crossing barricade

Claim 1

A portable barricade for use at school crossings, and the like, comprising, in combination: a. a frame movable over a support surface; b. a signal means mounted on the frame for warning parties approaching the barricade of the presence of certain hazardous conditions; and c. brake means mounted on the frame for permitting selective retention of the barricade in a desired location, the brake means including a brake arm pivotally mounted on the frame for moving between a disengaged position and a position engaging the support surface which supports the frame for restraining the frame from movement relative to the support surface, the frame including wheels rotatably mounted thereon for facilitating movement of the frame, the frame having a pair of longitudinally spaced ends, and wherein the wheels include a caster disposed adjacent an end of the frame, with the brake arm being pivotally mounted on the frame adjacent the caster and of a length sufficient to lift the caster from the support surface which supports the frame when the brake arm is in the position engaging the support surface, the brake means further including an actuating lever cantilever mounted on the brake arm and arranged extending away from the frame for facilitating movement of the brake arm from the disengaged position to the position engaging the support surface by the application of foot pressure to the lever, and a tension spring connected to and extending between the actuating lever and the frame for biasing the brake arm toward its disengaged position, the wheels further including a pair of axially spaced, fixed wheels disposed on the frame at the end thereof spaced from the caster, the frame further including a plurality of sections selectively connectible to one another in predetermined numbers to vary the length of the frame, the signal means including a lamp assembly and a power supply connected to the lamp assembly, the lamp assembly including a pole pivotally mounted on the frame for swinging movement between an operative position extending away from the frame and a storage position substantially adjacent the frame, there being a plurality of lamp assemblies each pivotally mounted on the frame, each of the lamp assemblies including a flashing lamp, and the power supply being a re-chargeable battery pack mounted on the frame and including an electrical switch for selectively energizing the flashing lamps.