JPH08793A - Ground marking device - Google Patents

Abstract

PURPOSE:To mark lines on the ground with a marking-off pin by pushing a handle to move a frame forward, and to easily enable to mark arc-shaped lines by extending an arm in a state in which the end of wire pulled out from a drum is placed at the center of rotation. CONSTITUTION:Wheels 2 and 3 respectively larger and smaller are pivotally supported under a frame 1, and a handle 5 is tiltedly fixed on the frame with a support plate 6. An arm stay 8 is inserted into an arm holder 7 which is merged into the frame 1, so that the arm stay freely goes in and out, and at an arm holding plates 10 which are fixed to the both ends of the frame 1, arms 9 are rotatably held with shafts 11, respectively. Marking-off pins 12 are slantly fixed respectively under the center of the arm holder 7 and near by one end of the arm 9. A drum 15 around which a wire 14 is wound is pivotally supported on a drum holding plate 13 with L-shaped side plate fixed on the arm holder 7. When the device is used, the handle 5 is pushed to move forward the frame 1, and the tips of the marking-off pins 12 mark lines on the ground.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking device capable of efficiently drawing a marking line indicating the position of a white line drawn on a ground or the like.

[0002]

2. Description of the Related Art Conventionally, a white line is drawn on the ground at the time of athletic meet and other competitions.
As a pre-work, it is necessary to draw a marking line to show the position of this white line. When drawing this marking line, there is currently no suitable tool, etc., and it is carried out using piles and ropes, and as shown in the present invention, a dedicated device of a wheelbarrow is not found at present.

[0003]

The conventional marking method has been carried out by using a marking stick along a stretched rope while a person is in a middle waist. In addition, the curved part such as a curve is hit by a center pile, and the rope is tied to the center pile, and the arc shape is drawn in the state of the middle waist from the back. Is also a cause of. This invention was invented to reduce the physical burden associated with the conventional marking methods and means described above, and anyone can easily and efficiently draw a marking line. It was developed for the purpose of providing.

[0004]

As a means for solving the problems, the present invention provides a frame movable by wheels with a wire drum that can be drawn out in a direction perpendicular to the traveling direction, and rotates in parallel with the wire drawing direction. A movable arm is provided, and a marking stick is attached to the arm at an appropriate position. That is, a wheel is pivotally supported at a proper position on a frame having a hand push rod on its upper surface, a marking bar is attached to an arm holding portion provided on the upper surface of the frame, and a wire drum having a stopper mechanism in which a wire that can be pulled out is wound on an arm. In addition to supporting the arm above the holding part, the arm is provided on the left and right of the arm holding part so that it can move in and out and rotate, and a marking bar is attached near the tip of each arm, and the above arm and wire drum are at right angles to the traveling direction of the frame. To be installed. The present invention is a ground marking device having the above configuration.

[0005]

When a straight line is used for engraving using the present invention,
Push the push rod of the device to move it forward. A marking stick is provided below the arm holding portion, and the tip of the marking stick has elasticity and is in contact with the ground at an appropriate pressure,
You can engrave as you progress. To draw an arcuate marking line, first pull out the wire from the drum and position the tip of the wire at the center of rotation. Next, both arms are opened to be in a parallel state, and the hand push bar is pushed to advance the frame. At this time, the tip of the marking stick fixed to the arm holding portion and the arm tip is in contact with the ground, and the marking line can be drawn by moving on the ground as the frame and the arm move. This movement is performed while drawing an arc shape with the tip of the wire as the center.
Since this arm is rotatable, the weight of the arm becomes the marking line pressure, and when both arms are raised, it becomes one marking line, when one arm is lowered, it is two, and when both arms are lowered. You can draw three concentric lines. Since this arm can freely move in and out of the arm holding portion, the distance between the engraved lines can be arbitrarily set. It is also possible to attach a line marker and draw a white line, as shown in Examples described later.

[0006]

Embodiments of the present invention will be described below. In the figure, reference numeral 1 is a frame formed by forming a metal prismatic body into a substantially trapezoidal shape.
Is rotatably supported by a support fitting 4 fixed to the lower surface of the frame. Reference numeral 5 is a hand push rod, which is formed of a U-shaped metal pipe and is obliquely fixed to the upper surface of the frame by a support plate 6 fixed to the frame, and its curved portion is parallel to the frame. It is bent so that Reference numeral 7 denotes an arm holding part, which is formed by connecting a pair of metal hollow prisms on the upper surface of the frame. Reference numeral 8 denotes an arm stay, in which a square rod of an appropriate length is positioned so that it can freely move in and out of the arm holding portion, and a part of it is exposed. Reference numeral 9 denotes an arm, which is formed by a square rod, and one end of which is rotatably held by a shaft 11 on arm holding plates 10 fixed to both side surfaces of the arm stay. Reference numeral 12 denotes a scribing bar, which has a loop formed at an intermediate portion of a steel wire of an appropriate length and whose tip portion is curved, and is obliquely fixed below the central portion of the arm holding portion and near the tip of the arm. These arms and arm stays are provided on both sides of the frame. Reference numeral 13 denotes a side surface L-shaped drum holding plate fixed on the arm holding portion, and a drum 15 around which a wire 14 is wound is pivotally supported by the drum holding plate 13. Regarding the use of this example, as explained in the section of [Operation], the tip of the wire pulled out from the drum was fixed to the ground, the frame was advanced around this fixed point as the center of rotation, and it was fixed to the open arm. Carve with a scribe stick. When you draw a straight line,
A rope or the like can be stretched over the ground, and a frame can be advanced along this rope to easily engrave. The above is the first embodiment of the present invention.

8 to 10 show a second embodiment of the present invention. In the figure, 16 is a major drum,
The measure 17 is wound, and the legs 18 are provided with auxiliary plates 19 on the sides.
A supporting portion 20 made of a hollow prism is fixed below the auxiliary plate, and a rectangular measure drum supporting rod 21 erected in the middle portion of the front portion of the frame is fixed to the supporting portion 20. It is configured to be detachably inserted to hold the major drum. Reference numeral 30 denotes a center support rod, which is provided with a swelling portion at the other end and an intermediate portion of a metal rod body having one end sharpened, and a slidable cylindrical slider 31 provided between the swelling portions is provided. 32 and locking ring 33
Are provided at symmetrical positions. In this example, a major drum can be attached to the previous example. This measure drum is for measuring the line length and the radius of gyration when engraved. The hollow prism provided on the measure drum is used by inserting and holding it into a square bar standing upright on the front part of the frame. .
By changing this insertion position by 90 °, it can be used for measuring both the length in the frame advancing direction and the radius of gyration. The center support rod is used to set the center of rotation, and the sharpened lower end is pierced into the ground, the measure end is tied to the locking ring, and the handle is used with the handle. In this example, the length measurement at the time of engraving is facilitated, and the length measurement direction can be set arbitrarily.

FIGS. 11 to 16 show a third embodiment of the present invention, in which a line marker containing white powder is attached to an arm to draw both the marking line and the white line. In this line marker, a box-shaped container 40 having a curved bottom is opened at the top, a lid 41 is provided with a hinge so as to be openable and closable, and a white powder drop hole 44 is provided at the lower end of the container. A slide lid 45 for covering or opening the drop hole, a guide plate 46 which is slightly floated and fixed to the bottom of the container.
A blade 43 is slidably provided in between, a blade 43 is fixed to a shaft penetrating the lower part of the container, and wheels 42 are attached to both ends of the shaft. This line marker is attached to one arm by a supporting member as appropriate. When using, store the white powder in the container,
The wheels 42 rotate as the frame advances, but at the same time the blades rotate. The white powder is agitated by the blades and falls from the drop hole 44 to form a white line on the ground. Then, the slide lid can be moved to change the drop width of the drop hole to adjust the density of the white line, and the drop hole can be closed when not in use.

[0009]

According to the present invention, arms are provided at both ends of a trolley-like frame so as to be able to move in and out and rotate, and a marking bar is provided on the arms, so that the frame can be easily engraved by simply advancing the frame. Therefore, the time and labor efficiency can be greatly improved. Further, if a line marker is attached, it is possible to provide a useful drawing device capable of simultaneously drawing an engraved line and a white line.

[Brief description of drawings]

FIG. 1 is a front view of the present invention.

FIG. 2 is a plan view of the present invention.

FIG. 3 is a right side view of the present invention.

FIG. 4 is a side view of the measure drum of the present invention.

FIG. 5 is a rear view of the measure drum of the present invention.

FIG. 6 is a perspective view of the first embodiment of the present invention when the arm is lowered.

FIG. 7 is an enlarged explanatory view of a marking bar portion provided in the central portion of the present invention.

FIG. 8 is a perspective view of the second embodiment of the present invention when the arm is lowered.

FIG. 9 is a side view of a center support rod used in the present invention.

FIG. 10 is an explanatory view of a usage state of the second embodiment of the present invention.

FIG. 11 is a plan view of a line marker.

FIG. 12 is a sectional view taken along line AA.

FIG. 13 is an explanatory diagram of the internal structure of the line marker.

FIG. 14 is a bottom view of the line marker.

FIG. 15 is a plan view of a line marker in a mounted state according to a third embodiment of the present invention.

FIG. 16 is a front view of a line marker in a mounted state according to a third embodiment of the present invention.

[Explanation of symbols]

 1 frame 2 wheel 3 wheel 4 support metal fitting 5 hand push rod 6 support plate 7 arm holding part 8 arm stay 9 arm 10 arm holding plate 11 shaft 12 marking bar 13 drum holding plate 14 wire 15 drum 16 measure drum 17 measure 18 leg 19 auxiliary Plate 20 Holding Part 21 Measure Drum Support Bar 30 Center Support Bar 31 Slider 32 Handle 33 Locking Ring 40 Container 41 Lid 42 Wheel 43 Feather 44 Drop Hole 45 Slide Lid 46 Guide Plate 47 Line Marker

Claims (3)

[Claims] 1. A wire having a stopper mechanism in which a wheel is pivotally supported at a proper position on a frame having a hand push rod provided on the upper surface thereof, a marking rod is attached to an arm holding portion provided on the upper surface of the frame, and a wire which can be pulled out is wound. The drum is pivotally supported above the arm holding part, and the arms are provided to the left and right of the arm holding part so that it can be moved in and out and rotated, and a marking bar is attached near the tip of each arm. An engraving device for the ground, which is provided at a right angle to. 2. A leg is provided with a measure drum rotatably supported, and a hollow prism is fixed to the center of the leg through an auxiliary plate, while a prism is erected and fixed at a proper position of the frame. 2. The ground marking line device according to claim 1, wherein the prismatic body and the hollow prismatic body can be inserted and removed. 3. The ground marking device according to claim 1, wherein a line marker containing white powder can be attached to the arm.