JPS6341021Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a line trimmer in a line drawing machine used for drawing lines on roads, parking lots, playgrounds, etc.

This type of line drawing machine has a spray can of paint installed diagonally downward in the rear of the machine, which is equipped with the required number of moving wheels.The spray can is pressurized by operating the handle, and the nozzle sprays the paint onto the road surface. The line is drawn by injecting it.

In this case, simply spraying paint does not produce a clear line, so a trimmer with a pair of wheels is installed on both sides of the front of the nozzle.This trimer limits the spray width of the paint and creates a clear line pattern. I try to make sure that Ma is drawn.

With this conventional wheel, when the amount of paint sprayed on the inside of the wheel increases, it becomes droplets and falls on both sides of the line drawn on the road surface, etc. In some cases, it not only extends outside the line, but also drops outside the line. The problem was that shading occurred at the edges of the lines, making the line finish poor.

This invention eliminates the above-mentioned conventional drawbacks, and even if the amount of paint sprayed by the line trimmer increases, the finish of the lines on the road surface etc. will not be damaged by the paint, and the density will always be uniform. The purpose is to provide a line trimmer that can draw beautiful lines.

This invention for the above purpose consists of a line trimmer consisting of a pair of parallel plates connected at their tips, each of which has a lower end bent inward in a reverse tapered shape, and an edge having a gutter inside the plate. The gutter is characterized by having a paint flow port provided at the tip of the gutter.

This invention will be explained in detail below using illustrated examples.

In the figure, 1 is the aircraft body, which is equipped with four wheels for movement.
A paint spray can 3 is attached along a handle 2 attached diagonally to the rear. This spray can 3 is provided inside the machine with a nozzle 4 tilted downward so that it can be pressurized by a lever, and a line trimmer 5 is provided in front of the nozzle 4.

This line trimmer 5 is composed of a pair of parallel plates 5a, 5a integrally connected at the center of the tip, and the lower ends of the plates 5a, 5a are each bent inward in a reverse taper. It is formed into edges 5b, 5b with gutters 6, 6 inside. Further, at the tips of the troughs 6, 6, there are provided openings 7 for the paint in the troughs to flow down.

Also, on the outside of the plates 5a, 5a are spindles 8, 8.
A support piece 9 is attached to the upper part of the tip, and a guide wheel 10 is attached to the lower part.

Such a line trimmer 5 has the support shaft 8,
8 is fitted into the receiving members 11, 11 inside the fuselage and is movably provided inside the fuselage, the tip part contacts the road surface etc. via the guide wheel 10, and swings up and down according to the unevenness of the road surface etc. It's becoming like that. Further, when a recess on a road surface or the like is partially deep, the support piece 9 comes into contact with the machine body to prevent the line trimmer 5 from tilting significantly.

However, in the line trimmer 5 having the above configuration, the width of the sprayed paint is adjusted by the edges 5b, 5b,
It is possible to paint a line with a width equal to the edge width on the road surface, etc. Further, the paint sprayed onto the edge flows into the gutter 6, 6, further flows to the tip, and falls from the flow outlet 7 onto the road surface, etc. Since the paint has not yet been sprayed at this falling position, the paint easily spreads on the road surface, etc., and because the paint is sprayed immediately, it is especially thick on the line like when the paint is dripped after spraying. never appears. Therefore, the finish of the lines will not deteriorate due to the trimmed paint.

As mentioned above, this invention consists of a pair of parallel plates 5a, 5a connected to the tip of the line trimmer 5.
The lower ends of the plates 5a, 5a are respectively bent inward in a reverse tapered shape to form edges 5b, 5b having gutters 6, 6 inside the plates, and at the tips of the gutters 6, 6. Since it is equipped with a paint flow outlet 7, even if a large amount of paint is sprayed onto the edge, the paint will flow into the gutter and drop from the edge onto the line drawn on the road surface etc. There's no chance of it falling. Therefore, it is difficult to cause shading at the edge of the line unlike in the conventional method, and it is possible to draw a beautiful line with a uniform density and an appearance very easily. In addition, the paint that accumulates in the gutter flows in front of the line sprayed from the tip, so it does not overflow onto the line even if the line is drawn for a long time.

[Brief explanation of the drawing]

The drawings illustrate a line trimmer in a wire drawing machine according to this invention, and FIG. 1 is a plan view of the wire drawing machine with the cover removed, FIG. 2 is a vertical sectional side view of the main parts of the wire drawing machine, and FIG. The figure is a longitudinal cross-sectional rear view of the line trimmer. 1... Aircraft, 2... Handle, 3... Spray can, 4... Nozzle, 5... Line trimmer, 5a
...Plate, 5b...Edge, 6...Gutter, 7...
...Outflow port, 8... Support shaft, 9... Support piece, 10...
Guide wheel, 11...receiving member.

Claims (1)

[Scope of utility model registration request] The above-mentioned line drawing machine has a paint spray can facing downward and diagonally in the rear of the machine equipped with the required number of wheels for movement, and a pair of line trimmers are installed on both sides in front of the nozzle of the spray can. The line trimmer consists of a pair of parallel plates connected at their tips, and the lower ends of the plates are each bent inward in a reverse taper shape to form an edge with a gutter inside the plate, and the gutter A line trimmer for line drawing machines that has a paint flow port at the tip.