KR101937337B1 - Extensionable Ruler - Google Patents

Extensionable Ruler Download PDF

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Publication number
KR101937337B1
KR101937337B1 KR1020150156974A KR20150156974A KR101937337B1 KR 101937337 B1 KR101937337 B1 KR 101937337B1 KR 1020150156974 A KR1020150156974 A KR 1020150156974A KR 20150156974 A KR20150156974 A KR 20150156974A KR 101937337 B1 KR101937337 B1 KR 101937337B1
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KR
South Korea
Prior art keywords
ruler body
ruler
length
bodies
ball pin
Prior art date
Application number
KR1020150156974A
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Korean (ko)
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KR20170054169A (en
Inventor
김혁민
Original Assignee
김혁민
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Priority to KR1020150156974A priority Critical patent/KR101937337B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/12—Square and pivoted straightedges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L7/00—Straightedges
    • B43L7/10—Plural straightedges relatively movable
    • B43L7/14—Square and sliding straight edges
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G01B3/06—Rulers with scales or marks for direct reading rigid folding
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/02—Rulers with scales or marks for direct reading
    • G01B3/04—Rulers with scales or marks for direct reading rigid
    • G01B3/08—Rulers with scales or marks for direct reading rigid extensible

Abstract

The present invention relates to an extensible element which can be extended in length and can be associated with a neighboring element, according to the present invention, a first ruler body having a certain width and length; And a second ruler body having a predetermined width and length and having one side coupled to a lower portion of the first ruler body, wherein the second ruler body has a first side and a second side, The first and second ruler bodies are provided with slide coupling means so that the length can be variable. At one end of the first ruler body or at the other end of the second ruler body, the first and second ruler bodies of the first and second ruler bodies can be extended or contracted by themselves by being provided with coupling means which can be connected to the first or second ruler bodies of the first and second ruler bodies, Therefore, it is possible to form various types of planar shapes by connecting a plurality of extendable members to each other, and it is possible to directly see the change in angle according to the change in length, Shape, the learning efficiency is increased according to the length change of the angle and line segments, as well as is disclosed a technique that can help promote space perception.

Figure R1020150156974

Description

Extensionable Ruler

The present invention relates to a person who can be used as a teaching parlor and can be extended or contracted in length, and can assist in learning various types of planar shapes, changes in length or angle, and the like.

As one of the representative office supplies or school supplies for a long time, those who help to draw lines and measure the dimensions are widely used. It is a simple structure, but it has a wide range of applications, so many people are using it conveniently and using it to learn.

Many technologies have been proposed and introduced to improve the usability and convenience by improving those who are widely used and have a wide range of applications.

Among such conventional technologies as office supplies or school supplies are United States Patent No. 333991 entitled Combination Foldable Ruler and Level, hereinafter referred to as Prior Art 1).

According to the prior art 1 and the like, a technique capable of folding a ruler and having a level meter on the inside of the ruler is also disclosed.

However, according to the prior art 1, the base unit can be folded or unfolded by combining the base unit with the hinge combination. By folding or unfolding like this, the thickness of the base unit itself is increased, And it is difficult to accurately measure the length because a part can reach the floor and the remaining part floats in the air.

In addition, most of the persons including Prior Art 1 have inconveniences such as difficulty in forming line segments or various types of planar shapes.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide an extendable member which can extend the length of a self-supporting member and constitute various planar shapes.

According to an aspect of the present invention, there is provided an extensible device comprising: a first ruler body having a predetermined width and length; And a second ruler body having a predetermined width and length and having one side coupled to a lower portion of the first ruler body, wherein the second ruler body has a first side and a second side, The first and second ruler bodies are provided with slide coupling means so that the length can be variable. At one end of the first ruler body or at the other end of the second ruler body, and a coupling means which can be connected to the first and second ruler bodies of the first and second ruler bodies is provided.

Wherein the first energizing means is coupled by the coupling means at one end of the first ruler body or at the other end of the second ruler body and is connected to the first ruler body or the second ruler body by the coupling means, And an angle meter for indicating an angle between the first ruler body or the second ruler body of the extendable member.

Here, the sliding combiner means provided on the first ruler body and the second ruler body such that the first ruler body can be slidably moved with respect to the second ruler body includes a convex or concave portion on the lower side of the first ruler body And a second rail formed on the upper side of the second ruler body so as to be concave or convex to correspond to the first rail.

Here, the second restrainer body may be provided with detachment preventing means at the other end of the first ruler body or at one end of the second ruler body so that the first ruler body slidably engaged with the second ruler body is not separated from the second ruler body It may be another feature.

Further, the separation preventing means may be a hook formed on the lower side of the other end of the first ruler body and a hook formed on the upper side of one end of the second ruler body.

Here, by the connecting means provided at one end of the first ruler body or at the other end of the second ruler body, an angle between the first ruler body or the second ruler body of the adjacent extensible element And can be combined with each other.

Further, by the connecting means provided at one end of the first ruler body or at the other end of the second ruler body, the first and second end portions of the first and second ruler bodies So as to be swingable.

Here, it is also possible to selectively engage or disengage the one end of the first ruler body or the other end of the second ruler body of the adjacent extendable body by the coupling means.

Furthermore, the coupling means may be a magnet mounted on one end of the first ruler body or on the other end of the second ruler body.

Further, the connecting means may include a ball pin protruding downward from one end of the first ruler body and a ball pin groove recessed upward from the other end of the second ruler body to correspond to the ball pin, And the ball pin is inserted into the ball pin groove and rotated so that the ball pin can be rotated.

Since the extendable member according to the present invention can be extended or contracted by itself and can be coupled with the adjacent extendable member, a plurality of extendable members can be connected to each other to form various types of planar shapes, It is possible to directly experience the change of the angle according to the change of the length. Therefore, the learning efficiency of the change of the shape, the angle and the line segment using the ruler is increased, and also the effect of improving the spatial perception ability is obtained.

1 is a perspective view schematically illustrating an extensible device according to an embodiment of the present invention.
2 is an exploded perspective view schematically illustrating an extensible device according to an embodiment of the present invention.
FIG. 3 is a perspective view schematically showing an extension of an extendable member according to an embodiment of the present invention. FIG.
4 is a side cross-sectional view schematically illustrating an extensible member according to an embodiment of the present invention.
FIG. 5 is a perspective view schematically showing a portion where a latching hook and a latching groove are formed as means for preventing detachment of an extendable member according to an embodiment of the present invention. FIG.
FIG. 6 is a perspective view schematically showing a portion in which a ball pin and a ball pin groove are formed, which is provided as an interlocking means of an extensible member according to an embodiment of the present invention.
FIG. 7 is a cross-sectional view schematically showing a state in which a ball pin and a ball pin groove 340 provided as coupling means of an extensible member according to an embodiment of the present invention are combined.
FIG. 8 is a diagram schematically illustrating various forms using a plurality of extendable members according to an embodiment of the present invention.
FIG. 9 is a plan view schematically showing a state in which a length and an angle can vary in the form of a plan view of a plurality of extendable members according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is an exploded perspective view schematically showing an extensible device according to an embodiment of the present invention, Figure 2 is an exploded perspective view schematically showing an extensible device according to an embodiment of the present invention, Figure 3 is an exploded perspective view of an extension FIG. 4 is a side cross-sectional view schematically showing an extendable member according to an embodiment of the present invention. FIG.

1 to 4, an extendable ruler 10 according to an embodiment of the present invention includes a first ruler body 100 and a second ruler body 200 do.

Here, the first ruler body 100 has a certain width and length, and forms a part of the extensible body 10.

The second ruler body 200 has a constant width and length as in the first ruler body 100. Then, the remainder of the extensible member 10 is formed.

The first ruler body (100) and the second ruler body (200) of this extendable (10) are joined by slide coupling means. That is, the first and second ruler bodies 100 and 200 may have different lengths from one end of the first ruler body 100 to the other end of the second ruler body 200, Slide coupling means are provided.

As the sliding engaging means provided on the first ruler body 100 and the second ruler body 200 so that the length of the first ruler body 100 is slidably moved relative to the second ruler body 200 The first rail 110, and the second rail 210 can be heard.

That is, a first rail 110 is formed on the lower side of the first ruler body 100 and a second rail 110 is formed on the second ruler body 200 in a concave or convex shape corresponding to the first rail 110 Two rails 210 are preferably formed. This is illustratively shown in Fig.

As shown in FIG. 2, the first rail 110 and the second rail 210 have shapes corresponding to each other. The second rail 210 has a negative angular And the first rail 110 may have a negative angular portion so that the second rail 210 can accommodate both angled portions.

More preferably, the first rail 110 is formed to have a length of 2/3 or less of the length of the first ruler body 100, and the second rail 210 is formed to have a length of 2/3 or less of the length of the second ruler body 200 It is preferable to have a length of 2/3 or less of the length. As shown in the figure, the first rail 110 to the second rail 210 are formed in a plane in which the remaining one third portion is not formed, so that the two extensible members 10 are positioned at the center So that it is not disturbed when the elongated member is rotated so as to change the angle of the angle.

As described above, the first and second ruler bodies 100 and 200 can be slidingly coupled through the first and second rails 110 and 210, and the first and second ruler bodies 100, The entire length of the extensible member 10 can be extended or shortened because it can be slidingly moved with respect to the body 200.

The first and second ruler bodies 100 and 200 are slidably coupled by the first and second rails 110 and 210 so that the first and second ruler bodies 100 and 200 It is preferable that the first roller body 100 and the second roller body 200 are tightly coupled so as not to be separated from both sides.

It is also preferable that a scale is marked on both sides of the first ruler body 100 and the second ruler body 200 in the longitudinal direction so as to measure the size of the measurement object.

It is preferable that the separation preventing means is provided to prevent the first ruler body 100 and the second ruler body 200 from being separated from each other.

That is, the other end of the first ruler body 100 or the second end of the second ruler body 200, which is slidably coupled to the second ruler body 200, is not separated from the second ruler body 200, It is preferable that the separation prevention means is provided at one end of the support member.

As a preferred example of such detachment preventing means, there may be a hook 150 and an engaging groove 160 as shown in Fig.

5 is a partial perspective view schematically showing a portion where the latching hook 150 and the latching groove 160, which are means for preventing the detachable member from being detached, according to the embodiment of the present invention are formed.

5, the latching hook 150 may be formed on the lower side of the other end of the first ruler body 100, and the latching groove 160 may be formed on one side of the second ruler body 200 There may be a form formed on the upper side of the step.

When the engaging hook 150 and the engaging groove 160 are provided as described above, the engaging hook 150 is engaged with the engaging groove 160 so that the first ruler body 100 is fixed to the second ruler body 200 So that it is possible to prevent the first ruler body 100 from being detached from the second ruler body 200 while being extended.

At one end of the first ruler body 100 or at the other end of the second ruler body 200 is connected to the first ruler body 100 or the second ruler body 200, It is preferable that there is provided a linking means that can be used.

Here, the coupling means refers to a means capable of engaging or connecting with another adjacent extendable member 10 when a plurality of extendable members including the first ruler body 100 and the second ruler body 200 are provided.

The first ruler body 100 and the second ruler body 200 are connected to each other by a connecting means provided at one end of the first ruler body 100 or at the other end of the second ruler body 200, And may be coupled with the body 200 at a predetermined angle.

The first ruler body 100 or the second ruler body 200 of the adjacent extensible member 10 can be connected to the first and second end portions of the first and second ruler bodies 100 and 200 by the connecting means provided at one end of the first ruler body 100 or at the other end of the second ruler body 200. [ It is also preferable that the body 200 is coupled to be swingable within a predetermined angular range.

It is also preferable that the linking means is capable of selectively engaging or disengaging one end of the first ruler body 100 or the other end of the second ruler body 200 of the neighboring extensible member 10.

Magnets 310 and 320 may be preferred as such coupling means. That is, the magnets 310 and 320 are mounted at one end of the first ruler body 100 or at the other end of the second ruler body 200 as shown in FIGS. 1 to 3 desirable.

As another example of such a coupling means, a ball pin 330 and a ball pin groove 340 of the type shown in FIGS. 6 to 7 may be used.

FIG. 6 is a perspective view schematically showing a portion where a ball pin 330 and a ball pin groove 340 are formed as an interlocking means of an extensible member according to an embodiment of the present invention, and FIG. 7 is a perspective view And a ball pin 330 and a ball pin groove 340 which are provided as coupling means.

6 to 7, a ball pin 330 protruded downward from one end of the first ruler body 100 and a ball pin 330 protruded downward from the other end of the second ruler body 200, And the ball pin 330 is inserted into the ball pin groove 340 so as to be rotatable.

By using the extendable ruler 10, a change in angle or a planar shape of various shapes can be formed. 8 and 9 for further explanation.

FIG. 8 is a schematic view of various embodiments using a plurality of extensible elements according to an embodiment of the present invention, and FIG. 9 is a cross- Fig. 5 is a plan view schematically showing a state in which the light emitting diode can be changed.

As shown in Fig. 8 (a), two elongated members can be used to form the angle of incidence. That is, the magnets 320, which are provided in the second ruler body 200 of the extendable member 10 and the magnets 310, which are coupling means provided in the first ruler body 100 of one extendable member 10, Are joined together to form one vertex, and an angle between the two extensible elements is formed.

Then, as shown in FIG. 8 (b), a triangle can be formed by using three elongated members 10, 20, and 30. 2) provided in the first ruler body 100 of one extendable member 10 through a magnet provided in each of the extendable members 10, 20 and 30, 2) provided in the second ruler body 201 of one elongatable member 10 are coupled and the magnets 320 (see Fig. 2) provided in the second ruler body 200 of the one elongated member 10 are engaged, 2) provided on the first ruler body 102 of another extendable member 30 adjacent thereto and the first ruler body 101 of the other extendable member 20 And the second ruler body 202 of another adjacent extendable member 30 are joined through the magnets 310 and 320 (see FIG. 2) to form one triangle.

Since the length of each of the extendable members 10, 20 and 30 can be extended or contracted through the magnets 310 and 320, as shown in FIG. 9 (a) You can directly view the changes in length and angle in the triangle, which will help you learn more about roads, angles, or geometry.

On the other hand, if the number of extendable rulers 10 is greater, the more various types of polygons can be formed. For example, a quadrangle of the shape shown in FIG. 8 (c) can be constructed with four extensible characters 10, and it is possible to form a quadrangle having an angle and a length as shown in FIG. 9 (b) It is also possible to see that a rectangular square is changed by an angle or a length like a parallelogram with a change.

It is a great help to learn about the plan type such as length, angle and so on by using the extender.

On the other hand, the following extendable member 10 may further include an angle measuring device (not shown) such as the following. The first or second ruler body 100 or the second ruler body 200 is coupled by the coupling means as described above at one end of the first ruler body 100 or at the other end of the second ruler body 200, It is also desirable to include an angle meter capable of indicating the angle between the first and second ruler bodies 100, 200 of the adjacent extensible arms 10 connected by the connecting means .

More specifically, the angle measuring device may be provided with a coupling means such as a magnet or a ball pin 330 or a ball pin groove 340 provided in the first ruler body 100 or the second ruler body 200 of the extendable member 10 . Particularly, in the angle measuring instrument, a connecting means such as a magnet 310 or 320 or a ball pin 330 or a ball pin groove 340 is provided at a center point for measuring the angle, and the magnets 310 and 320 of the extendable magnet 10 or the ball pin 330 or the ball pin groove 340, as shown in FIG.

The thus constructed angle measuring device can be combined so that the two extendable rulers 10 are placed at the center of the angle measuring device on the vertex formed through the magnets 310 and 320 or the ball pin 330 and the ball pin groove 340 . When the center line passing through the middle of the width of the extendable ruler 10 is displayed on the extendable ruler 10, the angle between the center lines of the two extendable rulers 10 can be grasped through the angle measuring instrument.

In other words, since the center line of the two extendable arms 10 intersects on the vertex formed by the magnets 310 and 320 or the like, when the center point of the angle meter is placed on this vertex, the two extendable arms 10 ) Can be grasped.

An embodiment including such an angle measuring instrument is also preferable.

On the other hand, as shown in Figs. 1 to 3, it is also preferable that both ends of the extendable member 10 are rounded. In particular, it is preferable that both ends of the ruler 10 are rounded in a semicircular shape having a width of the extendable ruler 10 as a diameter. If the extensible arms 10 are rounded at both ends, it is preferable to prevent the safety problem that may be injured in the process of children playing with the child or playing with the child.

It is further preferable that both ends of the magnet 10 are formed in a semicircular shape having a width of the extendable magnet 10 and diameters 310 and 320 are mounted at the center of the magnet. When the magnets 310 and 320 are mounted on the center of the semicircular shape, the ends of the semicircular shape are rounded in a semicircular shape having the width of the extendable member 10 as a diameter. As shown in FIGS. 8 to 9, Since the corner portion of the plan view type is rounded irrespective of the angle, it is preferable that it is not damaged by the angled corner portion while handling the ruler, and is also improved in appearance.

As such, the extensible member according to the present invention can be extended or contracted by itself, and can be coupled with the adjacent extendable member, so that a plurality of extendable members can be connected to each other to form various types of planar shapes Since the change of angle due to the change of the length can be directly experienced, the learning efficiency of the change of the shape, angle and line segment using the ruler can be increased, and it is advantageous to improve the spatial perception ability.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is to be understood that the scope of the present invention is to be construed as being limited only by the embodiments, and the scope of the present invention should be understood as the following claims and their equivalents.

10, 20, 30: Extendable person
100: first ruler body 110: first rail
150: Retaining hook 160: Retaining groove
200: second ruler body 210: second rail
310, 320: magnet
330: ball pin 340: ball pin groove

Claims (10)

A first ruler body having a constant width and length; And
A second ruler body having a predetermined width and length and having one side coupled to a lower portion of the first ruler body,
The first and second ruler bodies are provided with slide coupling means so that the length from one end of the first ruler body to the other end of the second ruler body can be variable,
At one end of the first ruler body or at the other end of the second ruler body,
And a coupling means capable of being connected to the first ruler body or the second ruler body of the neighboring ruler is provided,
Wherein the first and second ruler bodies are provided with sliding engagement means provided on the first and second ruler bodies so that the first and second ruler bodies can be slidably moved relative to the second ruler body,
A first rail which is convex or concave on the lower side of the first ruler body and
A second rail formed on the second ruler body in a concave or convex shape corresponding to the first rail,
The detachment preventing means provided at the other end of the first ruler body or at one end of the second ruler body so that the first ruler body slidably engaged with the second ruler body is not separated from the second ruler body,
A hook formed on the lower side of the other end of the first ruler body,
An engaging groove formed on an upper side of one end of the second ruler body,
By the coupling means provided at one end of the first ruler body or at the other end of the second ruler body,
The first and second ruler bodies may be coupled with each other at a predetermined angle with the first and second ruler bodies of the adjacent extender,
The first and second poles being swingable within a predetermined angular range with respect to the first or second poles of the adjacent extender,
By the coupling means,
And may be selectively engaged or disengaged from one end of the first ruler body of the adjacent extender, or the other end of the second ruler body,
Wherein the first rail is formed to have a length of 2/3 or less of the length of the first ruler body,
The second rail is formed to have a length of 2/3 or less of the length of the second ruler body,
One end of the first ruler body is rounded,
And the other side end of the second ruler body is rounded.
Extendable.
delete delete delete delete delete delete delete The method according to claim 1,
Wherein the linking means comprises:
Wherein the magnet is a magnet mounted on one end of the first ruler body or on the other end of the second ruler body.
The method according to claim 1,
Wherein the linking means comprises:
A ball pin formed to protrude downward from one end of the first ruler body and a ball pin groove recessed upward from the other end of the second ruler body to correspond to the ball pin,
And the ball pin is inserted into the ball pin groove to be rotatable.
KR1020150156974A 2015-11-09 2015-11-09 Extensionable Ruler KR101937337B1 (en)

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109866195A (en) * 2019-04-16 2019-06-11 中冶建工集团有限公司 A kind of anticollision barrier positioning rule
CN110107069A (en) * 2019-05-14 2019-08-09 佛山市秦钻智能建材科技有限公司 A kind of telescopic three-dimensional measurer of dry type paving

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200282100Y1 (en) * 2002-04-10 2002-07-19 김종대 An ruler whose length can be adjustable
CN204278856U (en) * 2014-11-28 2015-04-22 宁波职业技术学院 A kind of rotary type ruler

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200282100Y1 (en) * 2002-04-10 2002-07-19 김종대 An ruler whose length can be adjustable
CN204278856U (en) * 2014-11-28 2015-04-22 宁波职业技术学院 A kind of rotary type ruler

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