US 3885315 A
A curb marking gage having a generally L-shaped frame upon which are mounted a plurality of vertically oriented wheels adapted to roll over the top surface of a curb construction and a plurality of horizontally oriented wheels adapted to be rollable over the side surface of the curb construction. A depth marking assembly is adjustably mounted on the frame and incorporates a vertical arm having a scale inscribed thereon for height gaging purposes. A paint container mounts at the bottom of the scale and feeds paint peripherally outwardly to a circular brush which is arranged for rotation relative to the frame for curb marking purposes. The paint container is pivotally mounted and spring biased to continuously urge the circular brush against the curb during all periods of use.
Claims available in
Description (OCR text may contain errors)
United States Patent [1 1 Polselli et al.
[451 May 27, 1975 1 CURB MARKING GAGE  Filed: Aug. 31,1973
 Appl. No: 393,423
Primary Examiner-Richard E. Aegerter Assistant ExaminerJohn W. Shepperd Attorney, Agent, or FirmWeiser, Stapler & Spivak  ABSTRACT A curb marking gage having a generally L-shaped frame upon which are mounted a plurality of vertically oriented wheels adapted to roll over the top surface of a curb construction and a plurality of horizontally oriented wheels adapted to be rollable over the side surface of the curb construction. A depth marking assembly is adjustably mounted on the frame and incorporates a vertical arm having a scale inscribed thereon for height gaging purposes. A paint container mounts at the bottom of the scale and feeds paint peripherally outwardly to a circular brush which is arranged for rotation relative to the frame for curb marking purposes. The paint container is pivotally mounted and spring biased to continuously urge the circular brush against the curb during all periods of use.
2 Claims, 3 Drawing Figures PATH-HEB EH2 7 I975 SHEEI ElBF 2 PATENTEU W 2 7 B SHEET [REF 2 64 as as FIG.
CURB MARKING GAGE BACKGROUND OF THE INVENTION The present invention relates generally to the field of construction marking devices and more particularly is directed to markers suitable for use with curb constructions.
In most urban communities it is the common practice to define roads or streets from sidewalks or other private construction by employing curbs at the transverse edges of the streets. When constructing streets or roads, the road construction contractors will normally establish the desired grades by use of temporary markers and then the finished curbs are installed. Most often, the curbs are fabricated of concrete and extensive forming and other preparatory work is required. In other instances, the curbs are prefinished prior to installation, such as when employing granite curb stones, and then the prefinished materials are set in place in the desired locations and at the required finished grades.
Once the finished grades have been established at the transverse curbs, the contractor then levels, grades fills and otherwise adjusts the road bed relative to the finished curb so that a finished road surface of either concrete or bituminous material can be placed at precisely the correct, finished grade. As road construction equipment becomes more automated in nature and the need for hand operations diminishes, some method for quickly and accurately marking the vertical surface of the preset curbs with the proper road elevation has become apparent. The markings must be accurate, quickly applied and sufficiently clear so as to be readily visible to the operators of large, mechanical, road construction equipment.
It is presently the practice to employ a marking line for manually placing elevation marks on the vertical curb surface. This present method is now proving obsolete in that two men are required for the job, one at each end of the line, and the entire operation is too time consuming, thereby increasing construction costs.
SUMMARY OF THE INVENTION The present invention relates generally to the field of pavement markers, and more particularly, is directed to a curb marking gage suitable to quickly establish a horizontal line on the curb for locating street grades relative to the curb.
The device of the present invention includes a generally L-shaped frame member having a horizontal leg and a vertical leg depending therefrom and which is designed to overfit and ride upon a previously set curb construction. A plurality of vertically oriented wheels depend from the top leg of the frame and are rotatably supported to ride over the top surface of a curb. A plurality of horizontally oriented wheels project inwardly from the downwardly depending leg of the frame and are held in rolling engagement over the vertical surface of a curb. A curb marking assembly is vertically adjustable within the frame and includes a scale to quickly position the marking device at a desired location below the top surface of the curb. A paint container is supported on the curb marking assembly and feeds paint by gravity through a bottom positioned, adjustable orifice to a circular brush which is preferably oriented in a horizontal plane. Paint from the container radiates outwardly to impregnate the entire peripheral surface of the circular brush for curb marking purposes. The paint container and brush are supported upon a platform which is pivotally carried at the bottom of the curb marking assembly. The platform is continuously spring biased inwardly toward the vertical surface of the curb to thereby continuously press the circular brush against the curb for marking purposes during all periods of use.
It is therefore an object of the present invention to provide an improved curb marking gage of the type set forth.
It is another object of the present invention to provide a novel curb marking gage incorporating a generally L shaped frame, horizontal and vertically oriented wheels supported inwardly of the frame for rolling upon the corresponding surfaces of a curb and paint marking means carried by the frame for inscribing a horizontal line upon a curb.
It is another object of the present invention to provide a novel curb marking gage incorporating a generally L-shaped frame, wheels connected to the frame and rollable upon the surfaces of a curb, a curb marking assembly carried by the frame, said curb marking assembly including a paint container and a circular paint brush.
It is another object of the present invention to provide a novel curb marking gage which includes a frame, wheel means rollably connected to the frame for rolling the device over a curb, paint application means suspended from the frame for applying a horizontal mark to a curb and vertically adjustable means adjustably supported on the frame for vertically orienting the paint application means relative to the top of a curb.
It is another object of the present invention to provide a novel curb marking gage which can be readily operated by one man and which includes paint marking means which are easily adjustable to vertically position a horizontal mark at any desired height relative to the top surface of a curb.
It is another object of the present invention to provide a novel curb marking gage including an L-shaped frame, horizontally oriented wheels and vertically oriented wheels carried by the frame for rolling upon the vertical and horizontal surfaces of a curb and a paint marking assembly vertically adjustably carried by the frame, the said paint marking assembly incorporating a paint container which feeds a circular paint brush and spring means to urge the periphery of the paint brush against the vertical surface of a curb continuously for paint marking purposes.
It is another object of the present invention to provide a novel curb marking gage that is rugged in construction, simple in operation and trouble free when in use.
Other objects and a fuller understanding of the invention will be had by referring to the following description and claims of a preferred embodiment thereof, taken in conjunction with the accompanying drawings, wherein like reference characters refer to similar parts throughout the several views and in which:
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a curb marking gage constructed in accordance with the present invention, showing the device in use.
FIG. 2 is an enlarged, bottom perspective view of the device.
FIG. 3 is an exploded, perspective view of the device.
DESCRIPTION OF THE PREFERRED EMBODIMENT OF THE INVENTION Although specific terms are used in the following description for the sake of clarity, these terms are intended only to refer to the particular structure of our invention selected for illustration in the drawings, and are not intended to define or limit the scope of the invention.
Referring now to the drawings, we show a curb marking gage l suitable for use with an existing curb 12 by rolling simultaneously upon the horizontal top curb surface 14 and the vertical side surface 16 of the curb 12. The curb marking gage comprises generally a pair of spaced, L-shaped frame members 18, 20 which are upwardly joined by an operating plate 22 which serves to rigidly secure the frame members 18, 20 in their said spaced relationship. A handle 24 is upwardly affixed to the top surface of the operating plate 22 to permit the gage 10 to be readily rolled along the curb 12 for curb marking purposes by a single workman as hereinafter more fully set forth.
A pair of forward wheel brackets 26, 28 depend from the operating plate 22 near the forward edge 30 thereof. Similarly, a pair of rearward wheel brackets 32, 34 depend from the operating plate 22 and near the rearward edge 36 thereof. Suitable bolts 38 or other fasteners secure the respective wheel brackets 26, 28, 32, 34 to the L-shaped frame members 18, 20. Preferably, the same bolts 38 are employed to connect the operating plate 22 to the horizontal legs l7, 19 of the L- shaped frame members 18, 20 to simplify assembly procedures.
Each of the forward and rearward wheel brackets 26, 28, 32, 34 is provided with an axle receiving opening 40 for wheel connection purposes. The axle receiving openings 40 of the forward wheel brackets 26, 28 transversely align to receive the forward wheel axle 42 therein. Suitable nuts 44 and lock washers 46 are employed to secure the forward wheel axle to the forward wheel-brackets 26, 28 in well known manner. Similarly,
e rearward wheel brackets 32, 34 are provided with tia'nsversely aligned axle receiving openings 48 which refie'ive the rearward wheel axle 50 therein in secure manner such as by employing nuts 52 and lock washers 54 in well known manner. Forward wheels 56 and rearward wheels 58 respectively journal upon the forward and rearward wheel axles 42, 50 in rotative manner for rotary movement about the respective axles 42, 50. Preferably, conventional ball bearings 60 are employed with each of the forward wheels 56 and rearward wheels 58 to facilitate rotary movement of the wheels about the respective axles. As best seen in FIG. 1, the forward and rearward wheels 56, 58 are employed to roll upon the top horizontal surface 14 0f the curb 12.
A pair of horizontally oriented wheel brackets 62, 64 are respectively affixed to the lower ends of the depending legs 66, 68 of the L-shaped frame members 18, 20. Preferably, the wheel brackets 62, 64 are generally channel-shaped in cross-sectional configuration and are affixed to the depending legs 66, 68 by means of bolts 70 or other fasteners which threadedly engage the respective parts. Horizontally oriented forward and rearward wheels 72, 74 rotatively connect to the brackets 62, 64 in conventional manner such as by employing vertical axles 76, 78 and suitable retainers 80. The
wheels 72, 74 ride against the vertical surface 16 of the curb 12 when the device is in use. (See FIG. 1).
A gage and marking assembly 82 pivotally connects to a horizontally disposed wheel bracket, for example, bracket 64 and includes a channel-shaped connecting bracket 84 which is affixed to the wheel bracket 64 by means of a vertical headed pin 86 and a securing end nut 88. A spring 90 surrounds the pin 86 and is formed with radially projecting ends 91, 93. The spring ends 91, 93 respectively bias against the web 92 of the connecting bracket 84 and the web of the wheel bracket 64 in a manner to continuously bias the gage and marking assembly 82 about the vertical pin 86 in a radial direction toward the vertical surface 16 of the curb l2. In the fully biased position 94 (FIG. 2), the gage and marking assembly 82 positions inwardly from the horizontally oriented wheels 72, 74. Thus, when the wheels 72, 74 are urged fully against the vertical surface 16 of the curb 12 for rolling thereover, the bias of the spring 90 continuously urges the circular brush 96 of the gage and marking assembly 82 into peripheral contact with the vertical curb surface 16.
A vertical socket secures to web 92 of the connecting bracket 84 in tight engagement to move about the pin 86 when the bracket pivots about the pin. A vertical gage rod 98 is a sliding fit within the vertical socket 100 and may be vertically adjusted relative to the socket by means of the set screw nut 102. The set screw nut is threadedly adjustable relative to the socket 100 by threaded engagement upon the threaded boss 104. In the embodiment illustrated, one face 106 of the gage rod 98 is provided with a plurality of vertically spaced, semi-circular recesses 108 which are provided for height adjustment purposes. Preferably, the recesses 108 are spaced in known increments along the entire height of the gage rod 98, for example, in one inch increments. The semi-circular recesses 108 position within the vertical socket 100 in a manner to face in the direction of the set screw nut 102. The threaded boss 104 is drilled or otherwise machined to provide a horizontal opening (not illustrated) which communicates with the vertical channel 110 of the socket 100 within which the gage rod is vertically slidable. As best seen in FIG. 3, the set screw nut 102 carries an inwardly facing spring 112 which inwardly supports a hardened steel ball 114. When the nut 102 is threadedly engaged upon the boss 104, the spring 112 is compressed within the horizontal opening of the boss to bias the steel ball 114 against the face 106 of the vertical gage rod 98. When a semi-circular recess 108 horizontally aligns with the ball 114, the ball is urged by the spring 112 to seat within a recess 108 to thereby serve as a detent to discourage further vertical movement of the gage rod 98 relative to the vertical socket 100. Thus, the gage rod can be readily adjusted to any desired vertical position within the socket 100 and can be locked in the desired relative vertical position by means of the set screw nut 102, the affixed spring 112 and the end positioned steel ball 114.
The vertical gage rod 98 extends through the vertical channel 110 of the socket 100 and tenninates below the vertical socket 100 in a threaded end 116. A horizontal strut 118 affixes to the bottom of the vertical gage rod 98 in conventional manner, such as by employing an opening 121 which receives the threaded end 116 and secures thereto by means of a nut 120 and washer 122. The strut 1 18 has no motion relative to the gage rod 98 and accordingly, when the gage rod is pivoted about the vertical pin 86, the affixed strut 118 will also similarly pivot. The strut 118 outwardly is provided with a second opening 124 through which is mounted the threaded spindle 126 of the brush platform 128. Suitable washers 130, 131 and nut 132 are employed to secure the threaded spindle 126 within the strut opening 124. The spindle 126 connects to the brush platform 128 in a bearing connection so that the platform freely rotates about the spindle 126. Accordingly, the threaded spindle 126 is affixed to the horizontal strut 118 in a manner to permit free rotation of the circular brush 96 relative to the frame members 18, for curb marking purposes when the gage 10 is rolled over the curb surfaces 14, 16.
The brush platform 128 is provided with an upwardly facing, concentric, threaded well 134 and outwardly carries a peripherally positioned, circular brush 96. In the embodiment illustrated, the circular brush 96 is retained within a pair of split, circular carriers 136 and preferably is fabricated of felt or other material suitable to retain paint for curb marking purposes. A plurality of radially extending openings (not shown) intercommunicate portions of the circular brush 96 and the bottom of the well 134 in a manner to uniformly saturate the entire periphery of the brush 96 with paint (not shown) from the paint container 138. The paint container 138 comprises a generally cylindrical reservoir 140 which is fabricated of hollow configuration to retain a quantity of suitable paint therein. The paint container 138 terminates downwardly in a threaded connector 142 which threadedly engages the well 134 in a leakproof manner. The connector 142 terminates downwardly in a needle valve opening 144 through which paint from the reservoir 140 flows by gravity into the well 134. A needle valve 146 adjustably engages the threaded top opening 148 of the reservoir 140 through a soft washer seal 150 to control the flow of paint (not shown) into the well 134. Preferably, the top of the paint container 138 is provided with a plurality of circularly positioned notches 152 and the needle valve 146 is equipped with a radially extending spring retainer 154 which is securely affixed near the top of the needle valve 146. The spring retainer 154 rides about the top of the reservoir when the needle valve is being adjusted and seats within one of the notches 152 to re tain the needle valve 146 in a desired adjustable position to assure adequate paint flow.
Preferably, a second face 156 of the gage rod 98 is provided with a plurality of height gaging marks 158 which are read directly at the top 160 of the vertical socket 100. The geometry of the system is designed so that the gage marks 158 read directly in inches or other measurements to reflect the precise distance that the circular brush 96 is positioned below the top horizontal surface 14 of the curb 12 when the gage rod 98 is moved to any of its vertically adjustable positions in the manner hereinbefore set forth. Thus, when it is desired to grade a street surface to a specified distance below the top horizontal surface 14 of a curb, for example, eight inches, the set screw nut 102 is backed out of the threaded boss 104 sufficiently to permit the gage rod 98 to be vertically moved relative to the vertical socket 100. When a height marking 158 corresponding to eight inches appears at the top 160 of the vertical socket 100, the set screw nut 102 is then threadedly engaged into the threaded boss 104. In this position, the
spring 112 biases the steel ball 114 into a semi-circular recess 108 which corresponds to the desired height to thereby maintain the gage rod 98 in the desired vertical position.
The curb marking gage 10 is then applied over the curb 12 in the manner illustrated in FIG. 1 with the forward and rearward upper wheels 56, 58 in contact with the horizontal surface 12 and with the horizontally oriented wheels 72, 74 in contact with the vertical curb surface 16. With curb marking gage 10 in this position, the bias of the spring urges the circular brush 96 into contact against the vertical surface 16 for curb marking purposes. When the curb marking gage 10 is thus positioned, the device is then wheeled along the curb 12 by holding the gage by the handle 24 and in a longitudinally extending direction, care being taken to assure that all of the wheels 56, 58 and 72, 74 continuously contact the respective curb surfaces 14, 16. The brush platform 128 and the affixed circular brush 96 revolve about the spindle 126 to thereby paint a stripe 162 at the precise, desired elevation upon the vertical curb surface 16.
Although we have described our invention with a certain degree of particularity, it is understood that the present disclosure has been made only by way of example and that numerous changes in the details of construction and the combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as hereinafter claimed.
1. In a curb marking gage for use with a curb having a horizontal surface and a vertical surface, the combination of A. a frame;
B. a plurality of curb contacting members attached to the frame to permit horizontal movement of the frame relative to the curb,
1. a first portion of said curb contacting members rolling over the vertical surface,
2. said first portion having inner extremeties which contact the vertical surface,
a. the inner extremeties defining a vertical plane;
C. a socket affixed in pivotal relation to the frame 1. said socket being provided with a vertically disposed opening,
2. said socket having no vertical movement relative to the frame;
3. the socket having pivotal movement relative to the frame from an initial position to a curb marking position,
D. curb marking means carried by said socket in a vertically adjustable manner relative to the frame to place a mark upon the vertical surface of the curb,
1. said curb marking means including a circular brush, a paint reservoir, a spring, a strut and bracket assembly comprising a strut and a bracket, said assembly being pivotally connected and an affixed gage rod,
2. a portion of the periphery of said circular brush being positioned inwardly of the vertical plane when the socket is in its initial position,
3. the periphery of said circular brush being forced against the vertical surface when the socket is urged to its curb marking position,
4. the spring continuously biasing said socket and said circular brush into contact with the vertical surface when the curb contacting members are positioned in contact with the curb,
S. the gage rod being vertically movable within the socket to a plurality of vertical positions relative to the frame to vary the height of the brush relative to the frame,
a. means to retain the gage rod in any of the verti cal positions to maintain the circular brush at a desired elevation relative to the vertical curb surface,
6. the gage rod terminating downwardly in a strut connection end,
a. a strut rigidly connected to said end and extending therefrom to provide an extension, the said circular brush being connected to said extension in a rotatable junction whereby the circular brush freely rotates for curb marking purposes when the circular brush is biased into contact with the vertical surface and when the curb marking gage is moved longitudinally relative to the curb, 7. the paint reservoir feeding paint to the circular brush,
a. said paint reservoir and said circular brush being affixed to the strut in spaced relationship from the gage rod,
b. said paint reservoir being provided with paint flow control means to regulate the volume of paint flow to the said circular brush.
2. The curb marking gage of claim I wherein the means to retain said gage rod include a plurality of vertically spaced recesses in said gage rod and the socket is provided with a spring biased ball which is urged into the recesses to secure the gage rod in any one of a number of vertically adjustable positions.