US 3,994,611 AGranted

Device for applying a road marking line or the like

AssigneeWegenbouwmaatschappij J. Heijmans B.V.

InventorJan Sjouke Sipkema

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Abstract

An apparatus for applying a longitudinal line or strip of marking material on a roadway which employs a fluid marking material and which provides spaced transverse strip areas of increased depth, the apparatus comprising a supply hopper for the marking material which opens at the rear to allow material to flow onto the roadway surface between spaced side edge defining members and a rear end plate member which is mounted for intermittent vertical reciprocation so as to provide for deposit of cross strips of the marking material which are of different depth or height. The end plate is also mounted for reciprocation longitudinally of the apparatus so as to push the marking material back into the hopper at the end of each section of the longitudinal strip. In a modified form of the apparatus illustrated a bottom plate is disposed between the vertically reciprocal end plate which is mounted for reciprocation in a vertical path so as to push back into the supply hopper the marking material which is contacting the roadway surface when the end of a section of the marking strip is reached.

Claims9

Dependent claims

An apparatus for applying a marking strip on a road surface or similar area which strip has a variable height when viewed in the direction of the length of the strip, said apparatus comprising means forming a hopper for holding a quantity of liquid marking material and adapted to be advanced over the road, said hopper having a trailing end wall with an opening through which the marking material will flow, a pair of laterally spaced arm members extending from the trailing end of said hopper and having lateral spacing according to the width of marking strip desired, said arm members being positioned with bottom edges riding on the road surface so as to confine laterally the marking material which is received between said arm members through the opening in said hopper end wall, a flap member in the form of a panel positioned between the trailing ends of said arm, members, means mounting said flap member for vertical movement, said flap member having a bottom edge which in one vertical position contacts said road surface so as to terminate the application of the marking material, and means controlling the vertical movement of said flap member so as to vary the elevation of the bottom edge thereof above said road surface as said apparatus is advanced over said surface, thereby to vary the height of the marking material in the strip applied to the road surface.

Dependencies are inferred from the claim text.