JPH0331595Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

The present invention relates to a ruler, and particularly to a ruler that has the functions of a straight line ruler, a right angle ruler, an angle ruler that can have any interior or exterior angle, and a protractor.

[Conventional technology]

Conventionally, a triangular ruler has been known as this type of ruler. Furthermore, as shown in Japanese Utility Model Application Publication No. 54-75840, the ends of two long rulers are overlapped, the overlapping part is rotatably supported, and an angle scale is attached to the overlapping part. The displayed ones are also known. Therefore, the ruler according to this publication can make not only a fixed angle like a triangular ruler but also an arbitrary angle.

[Problem that the idea aims to solve]

However, the ruler disclosed above is constructed by overlapping the ends of two long rulers and rotatably supporting that part, so the area near the overlap of the rulers forms a line in two stages. It has the disadvantage that it is difficult to draw, and when used as a protractor, the two-tiered part floats away from the line forming the corner, making it difficult to match. Therefore, the present invention was devised to solve the above problems, and its purpose is to provide a ruler that makes it easy to draw lines and measure angles.

[Means to solve the problem]

In order to achieve the above object, the ruler according to the present invention has an elongated first ruler body having an upper surface on one end side in the longitudinal direction, and an elongated first ruler body having the same width and thickness as the first ruler body. The lower surface of one end side in the longitudinal direction of the second ruler body is overlapped with the width of both ruler bodies when the two ruler bodies are positioned parallel to each other, and a shaft member is attached to the overlapping part. A ruler provided and rotatably supported, wherein the first ruler body has a depression on the upper surface on one end side, and a depression on the lower surface on the one end side of the second ruler body, and the depth of both depressions is The sum of the thicknesses is equal to the thickness of the first ruler body or the second ruler body, and an angle scale is formed on the upper surface of one end side of the first ruler body along an arc centered on the shaft member. Further, a stopper is provided for positioning the ruler bodies at a position perpendicular to a position where the longitudinal directions of the ruler bodies become parallel when the two ruler bodies rotate relative to each other, and the angle scale is set on the second ruler body. The present invention is characterized in that a protruding piece for pointing is provided, and a locking piece that is locked to the stopper is provided.

[Effect]

In the above configuration, when the lower surface of one end of the second ruler body is overlapped with the upper surface of one end of the first ruler main body, the thickness of the overlapped portion is formed to be equal to the thickness of the first or second ruler main body. be done. When the first and second ruler bodies are rotated relative to each other, the projections provided on the second ruler body
Move on the angle scale provided on the ruler body. The rotation angle of both ruler bodies is determined by a stopper provided on the first ruler body being brought into contact with a stopper provided on the second ruler body, thereby forming a linear ruler or a right angle ruler.

【Example】

Hereinafter, one embodiment of the present invention will be described based on the drawings. FIG. 1 is a plan view of ruler a according to the embodiment, and FIG.
The figure is a bottom view, Figures 3 and 4 are horizontally exploded plan views, Figure 5 is a bottom view of Figure 1, Figure 6 is a top view of Figure 1, and Figure 7a is an exploded perspective view. 7b is a bottom perspective view of a portion of FIG. 7a, and FIG. 8 is a plan view in a rotated state. Ruler a is a long first ruler body (hereinafter referred to as the first body) 1 made of transparent or translucent plastic and having a predetermined length, for example, 30 cm.
and a long second ruler main body (hereinafter referred to as the second main body) 2 made of the same material as the first main body and having a length of about half the length of the first main body, and a second ruler main body (hereinafter referred to as the second main body) 2 that is rotatably supported. It has a shaft member 3. Both bodies 1 and 2 have the same width and thickness, and each has the shape of a well-known straight ruler. Therefore, scales (not shown) are provided on both sides of the main bodies 1 and 2 in the longitudinal direction, and as is clear from FIGS. The walls on both sides are thinner than the center. A recess 1 is formed on the upper surface of the first body 1 at one end (left end) and the lower surface of the second body 2 at one end (right end).
a and 2a are respectively provided, and the portion of the depression 2a is overlapped with the depression 1a. This polymerization position is
This is done by aligning the width directions of both main bodies 1 and 2 when the longitudinal directions of both main bodies 1 and 2 are positioned parallel to each other. A hole 4 is provided through the central portion of the overlapping portion in the width direction and at a predetermined distance from one end of both the main bodies 1 and 2, and a shaft member consisting of a so-called eyelet is provided in this hole. 3 is provided. Therefore, both main bodies 1 and 2 can rotate around this shaft member 3. The depth of both depressions 1a and 2a is half the thickness of each main body 1 and 2. That is, these depressions 1a, 2
The total depth of a is equal to the thickness of each body 1 and 2,
Therefore, the ruler thickness of the overlapping portion is the same as that of the main bodies 1 and 2 (see FIGS. 5 and 6). The shapes of the stepped portions 1b and 2b of both depressions 1a and 2a are as follows:
It is formed in an arc shape centered on the hole 4 (shaft member 3). Among these, the stepped portion 1b is formed into an arc drawn when a protruding piece 2c, which is formed using the tip of the lower side of the second body 2 and indicates an angle scale described later, rotates around the hole 4. , the stepped portion 1b is
It is formed into a tapered surface that opens upward. An angle scale 5 is provided on this stepped portion 1b. This angle scale is attached using the lower and upper sides of the tapered surface of the stepped portion 1b, and the scale on the upper side is graduated so as to subdivide the scale on the lower side.
Therefore, since the tapered surface is used to display the scale in this way, it is possible to display the scale more precisely. The stepped portion 2b is formed into an arc drawn by a corner of one end of the first main body 1. In the figure, 6 is a stopper provided above the recess 1a of the first body 1 and integrally with the first body 1. The relationship between the stopper 6 and the protrusion 2c is such that when the longitudinal direction of the first body 1 and the longitudinal direction of the second body 2 are orthogonal, the right side surface 6a of the stopper 6 and the upper surface 2c' of the protrusion 2c. When they come into contact and are positioned parallel to the longitudinal direction of the first body 1, that is, when the first body 1 and the second body 2 form one straight ruler,
The left side surface 6b of the stopper 6 and the upper surface 2a' on one end side of the second main body 2 are arranged so as to be in contact with each other. The first body 1 and the second body 2 are assembled by overlapping the depressions 1a of the first body 1 with the depressions 2b of the second body 2, and by overlapping the depressions 2b of the second body 2 with the holes 4 opened in these depressions.
After aligning the shaft members 3, the shaft member 3 is inserted, and the insertion end is caulked. Note that a recess is provided around the hole 4 so that the upper end of the shaft member 3 does not protrude from the upper surface of the second body, and so that the lower end of the shaft member 3 does not protrude from the lower surface of the first body 1. (See Figures 5, 6, and 7a). Therefore, when the ruler a is placed on a flat surface, the entire lower surface of the ruler a can be positioned without falling, thereby improving stability. In the ruler a according to this embodiment, the first body 1 and the second body 2 are provided with depressions 1a and 2a at one end side so that they overlap and are rotatably supported by the shaft member 3.
The overlapping portion can also be made to have the same thickness as both main bodies 1 and 2, making it possible to improve usability. In addition, since the second body 2 is provided with a protrusion 2c and the first body 1 is provided with an angle scale 5, by aligning the protrusion 2c with the angle scale 5, the first
It is possible to obtain a predetermined angle between the body 1 and the second body 2. Furthermore, since the first body 1 and the second body 2 are on the same surface even at the overlapping part, it is easy to align the angle to the straight line to be measured, and it is possible to read the angle scale 5 indicated by the protruding piece 2c at that time. This makes it possible to easily determine the angle of the corner. Since the first body 1 is provided with a stopper 6 and the second body 2 is provided with locking portions 2a' and 2c', a long linear ruler that is the sum of both bodies 1 and 2,
It becomes possible to easily obtain a right angle ruler.

[Effect of the idea]

In the ruler according to the present invention, a recess is provided at one end of the first body and the second body so that they overlap and are rotatably supported by a shaft member, so that the thickness of the overlapped part can be made the same as that of both bodies. This makes it possible to improve usability. Furthermore, since the second body is provided with a protrusion and the first body is provided with an angle scale, it is possible to obtain a predetermined angle between the first and second bodies by aligning the protrusion with the angle scale. It is possible. Furthermore, since the first body and the second body are on the same surface even at the overlapped part, it is easy to align the angle to the straight line of the angle to be measured, and by reading the angle scale indicated by the protrusion at that time, it is easy to It is possible to know the angle of that corner. Since the first body is provided with a stopper and the second body is provided with a locking portion, it is possible to easily obtain a long linear ruler and a right angle ruler, which are the sum of both bodies.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a ruler according to an embodiment of the present invention, Fig. 2 is a bottom view thereof, Figs. 3 and 4 are plan views exploded left and right, and Fig. 5 is a bottom view of Fig. 1. ,
FIG. 6 is a top view of FIG. 1, FIG. 7a is an exploded perspective view, FIG. 7b is a bottom perspective view of a part of FIG. 7a,
FIG. 8 is a plan view in a rotated state. 1...First main body (first ruler main body), 2... Second
Main body (second ruler main body), 1a, 2a... recess, 2
a'...Top surface on one end (locking piece), 2c'...Top side (locking piece), 2c...Protruding piece, 5...Angle scale, 6...
...Stotsupa.

Claims (1)

[Claims for Utility Model Registration] An upper surface on one end side in the longitudinal direction of an elongated first ruler body, and a longitudinal direction of an elongated second ruler body having the same width and thickness as the first ruler body. The lower surface of one end side is overlapped by matching the widths of both ruler bodies when the longitudinal directions of both ruler bodies are positioned parallel to each other, and a shaft member is provided at the overlapped part to rotatably support the ruler bodies. The ruler is provided with a depression on the upper surface of one end side of the first ruler body, and a depression on the lower surface of the one end side of the second ruler body, and the sum of the depths of both depressions is equal to the first ruler body. or the second ruler body, and an angular scale is provided on the upper surface of one end side of the first ruler body along an arc centered on the shaft member; A stopper is provided for positioning the two ruler bodies at a position where the longitudinal directions thereof are parallel to each other when the rulers rotate relative to each other, and a stopper is provided for positioning the ruler bodies at a position perpendicular to a position where the longitudinal directions thereof are parallel to each other. , A ruler characterized in that it is provided with a locking piece that is locked to the stopper.