WO2014014257A1

WO2014014257A1 - Height measurement device for self-measuring

Info

Publication number: WO2014014257A1
Application number: PCT/KR2013/006363
Authority: WO
Inventors: 정성욱
Original assignee: Jung Sung Wook
Priority date: 2012-07-18
Filing date: 2013-07-16
Publication date: 2014-01-23

Abstract

The present invention relates to a height measurement device for self-measuring, comprising: a frontal perpendicular bar (4), which extends downward from a measuring tape outlet of a measuring tape winder (2), and is provided with a measuring tape graduation observation point (10); and a measurement piece (12) provided with a horizontal bar (6) that extends horizontally from the frontal perpendicular bar (4), wherein a measured person (20) can measure his/her own height through the measuring tape graduation observation point (10) on the frontal perpendicular bar (4) of the measurement piece (12), and measurement graduations to be self-read with the naked eye, which are formed on one surface of the measuring tape winder (2) and are different from common measuring tape graduation (starting from 0cm), when the measured person (20) is standing on a scale (12) while the horizontal rod (6) of the measurement piece (12) is placed on top of the head, wherein the measuring tape for measuring the height of the measured person (20) is positioned in front of the eyes, and the height that is indicated by an observation window (8) in front of the eyes can be read by looking at the measuring tape graduations to be self-read with the naked eye, thereby allowing self-measurement of the height and accurate and immediate confirmation of the height of the measured person (20).

Description

Self-measuring extensometer device

The present invention relates to an anthropometric apparatus, and more particularly, to a self-measuring extensometer which is capable of self-measurement of a person's height, is easy to carry and easy to store.

Elongation is the vertical distance from the bottom to the tip of the head when standing upright. The kidney system includes a wooden kidney system and a Martin anthropometer. Generally, a wooden one is used. The Martin Anthropometer is lightweight and easy to disassemble and can easily be measured anywhere.

If you do not have a suitable extensometer, you can stand the subject with the back of a wall or pillar, and then use a 3cm thick, 15cm wide wooden board or a triangle to measure the head.

However, this extensometer has a disadvantage that it is difficult to measure the height yourself.

Even nowadays a fully automatic elongation measuring device has been developed so that when the subject climbs on the footrest of the device, the key is measured by the hatch descending, hitting the tip of the subject's head and then rising again to measure the height of the subject and display it on the display or print paper. It is printed and is widely used in hospitals.

However, such a fully automatic height measuring device is expensive and difficult to use for general purposes in general homes, and is inconvenient to carry.In the key measuring method, the key material is the actual key by hitting the tip of the subject's head as the hatch descends. It may also indicate errors such as indicating a lower elongation.

Accordingly, an object of the present invention is to provide a self-extension extensometer that can measure the height of the self as well as to measure the height accurately and immediately, and is portable, easy to store and inexpensive.

Another object of the present invention is to easily carry and move anyone at home and age at home and at the same time easy to store in a narrow space, and can measure the weight and height accurately and easily even alone without the help of people around It is to provide a scale integrated body height device.

According to the present invention according to the above object, the tape measure winder (2) and the front vertical stand (4) extending downward from the tape entrance of the case 2a of the tape measure winder (2) having a tape measure observation point 10 And a measuring instrument 12 having a horizontal stand 6 extending horizontally from the front vertical stand 4, and a tape measure wine connected to the scale 16 to which the tip of the tape measure 14 loosened from the tape measure winder 2 is connected. The storage unit 18 for storing the measuring instrument 12 including the (2) is configured to be installed, but the taper scale S on the bottom surface of the scale 16 on which the subject 20 stands on is measured. Self-measuring extensometer device characterized in that it is configured equal to the distance (d) value between the bottom surface of the horizontal bar (6) touching the end of the head and the tapered scale observation point 10 of the front vertical bar (4).

In addition, the present invention extends downward from the tape entrance of the tape measure winder (2) and the case (2a) of the tape measure winder (2) and the front vertical stand 4 and the front vertical stand having a tape measure observation point 10 (4) having a measuring instrument (12) having a horizontal strip (6) extending horizontally, the tip of the tape measure (14) loosened from the tape measure and the winder (2) is connected, and the subject 20 is stepped on the bottom plate ( 30), the tapered scale (S) of the bottom surface of the bottom plate 30 on which the subject 20 stands on the horizontal surface (6) bottom and front vertical stand (4) in contact with the head end of the subject 20 Self-measuring extensometer device characterized in that the configuration is equal to the distance (d) between the tapered scale observation point 10 of the.

The present invention also extends downward from the taper entry and exit of the tape measurer 2 and the horizontal bar 6 extending horizontally from the front vertical bar 4 and the front vertical bar 4 having the taper scale observation point 10. It is provided with a measuring instrument 12 having a tip of the tape measure (14) loosened from the tape measure (2) is configured to be fixedly connected to the scale 16, the subject 20 is standing on the scale 16 The horizontal bar 6 of the measuring tool 12 at the tip of his head, and the tape measure scale observation point 10 of the front vertical belt 4 of the measuring tool 12 together with the tape measure indexer 2 on one side. It is formed and is a self-measuring extensometer device characterized in that it is configured to directly measure the height of the body through the self-visual measurement scale different from the general tape measure (starting from 0cm scale).

In addition, in the present invention, a mechanical or electronic weight scale display unit 120 is provided with a measuring tape 210 and a tape measure 210 having a spring function on one side of the scale 100 for measuring the weight of a person. The height gauge 200 having the measurement bar 230 is formed to form a groove 110 so that it can be integrally inserted into the scale 100, the measurement bar 230 is the scale of the height of the tape measure 210 in front of his eyes While identifying with the naked eye to be configured to form one of the 'b' shape or 'c' shape so that you can measure their own height on one side of the measuring tape measure (210) on the general tape measure (starting from 0cm scale) and Is a self-measuring extensometer device, characterized in that configured to form other self-visual measurement scale.

According to the present invention, the self-measurement of the height is possible as well as accurate and immediately because the measuring tape measuring the height of the person who is the subject is embodied to immediately know the height of the person by looking at the tape measure indicated by the observation window in front of the eye. The height of the measurer can be measured, and it can be used with a scale or used alone, so there is an advantage of easy portability and easy storage. Among them, the apparatus of the present invention, which is composed of a scale and a height scale, can be lightly moved by both men and women, and can be easily stored in a narrow space like a conventional scale, and can measure his height alone without anyone's help. It has an effect.

1 is a schematic configuration diagram of a self-measuring extensometer device according to an embodiment of the present invention,

2 is an overall perspective configuration diagram of the self-measuring extensometer device of FIG.

3 is a main perspective perspective view of the magnetic measuring extensometer device of FIG. 1;

4 is a bottom perspective view of a self-measuring extensometer device integrally formed with the scale shown in FIG. 2;

5 is a schematic configuration diagram of a self-measuring extensometer according to another embodiment of the present invention;

6 is an overall perspective configuration diagram of the self-measuring extensometer of FIG. 5;

7 to 11 are modified examples of the self-measuring extensometer device integrated with a scale according to the date and time of the present invention,

7 is a perspective configuration diagram during storage;

8 is a perspective state configuration diagram in use;

9 is an exploded perspective configuration diagram of the measurement bar;

10 is a schematic configuration diagram of a state of use;

11 is a diagram illustrating various examples of an integrated scale for self-measuring of the scale.

1 and 5 are schematic configuration diagrams of a self-measuring extensometer device according to an embodiment of the present invention, Figure 1 is one embodiment and Figure 5 is another embodiment.

Self-measuring extensometer device according to an embodiment of the present invention shown in Figure 1 is configured to be integrated with the scale 16 is normally stored in the storage 18 of the scale 16 easily. On the other hand, the self-measuring extensometer device according to another embodiment of the present invention shown in FIG. 5 is a single product implemented to hold its own key and is very portable and mobile, and can be formed at a low price.

FIG. 2 is an overall perspective configuration diagram of the self-measuring extensometer device of FIG. 1, FIG. 3 is a main perspective perspective configuration diagram of the self-measuring extensometer device of FIG. 1, and FIG. 4 is a self-measurement unit integrated with the scale 16. A low perspective perspective view of an extensometer.

1 to 4 together, the self-measuring extensometer device according to an embodiment of the present invention, a tape measure winder 2 and a tape measure winder 2 of the function similar to the automatic tape measure (2a) A front vertical bar 4 extending downward from the tape entrance and having a taper scale observation point 10, and a horizontal bar extending horizontally from the front vertical bar 4 and perpendicular to the front vertical bar 4; It is provided with a measuring instrument 12 having.

In the case (2a) of the tape measure winder (2) constituting the measuring instrument 12, a rotating roll for winding or loosening the tape measure (14) is axially installed, and the rotating rolls are springs produced as the tape measure (14) is loosened. The tape measure 14 may be rewound while rotating with a bias force of, and may be implemented to be connected to a knob lever for manually rotating a rotary roll without a spring.

The tape measure 14 wound on the tape measure winder 2 may be cut in the case of a metal material, so it is preferable to use a resin band in order to minimize the risk of hand veil. Is formed.

The front vertical stand 4 extending downward from the tape measure entrance and exit of the tape measure winder case 2a is an observation that the scale of the tape measure 14 can be checked with the naked eye by the person who is the subject of measurement 20 holding the key. A window 8 is formed, and the observation window 8 displays a tapered scale observation point 10. The observation window 8 is formed in accordance with the eye level of the subject 20, and if necessary, the lowest end of the vertical stand 4 without the observation window 8 may be displayed as a tapered scale observation point 10.

The back surface of the front vertical stand 4 is preferably formed with a tape guide groove leading to the tape entrance of the tape measure winder 2 as shown in FIG. Therefore, when the person 20 who is the subject 20 grabs the front vertical bar 4 and simultaneously holds the tape measure 14 exposed by the tape guide guide groove of the front vertical bar 4, the tape measure 14 tries to move by the spring bias force. With the fixed), the scale of the tape measure 14 can be read accurately at the tape measure scale observation point 10 in the observation window 8.

In the present invention, the scale of the tape measure 14 read at the tape measure scale observation point 10 becomes the height of the person.

In addition, as shown in FIG. 2, the rear surface of the front vertical table 4 and the taper entry and exit side surface of the tape measure inlet case 2a may be flatly supported on the wall 32 and the front vertical table 4 when the surface is supported. The reference surface 26 is formed to allow the horizontal stage 6 to be level with the bottom surface.

The horizontal stand 6 perpendicular to the front upright 4 is preferably connected to the front upright 4 by a hinge 24 so that it can be folded. The horizontal bar 6 is a means for horizontally contacting the bottom of the head of the subject 20 to be measured, and may be configured to be foldable if its length is long enough to make storage inconvenient.

On the other hand, the tip of the tape measure 14, which is released from the tape measure and the winder 2 constituting the measuring instrument 12 is configured to be connected to the connecting piece 28 of the scale 16 in one embodiment of the present invention, the scale 16 In the empty space of the room, for example, the storage house 18 for storing the measuring tool 12 including the tape measure and the holder 2 is selectively provided as necessary.

These days, the scale is made of tempered glass and many products form the sole ground surface.

Although the storage 18 is illustrated in the empty space of the lower body of the scale 16 and described as an example, the storage 18 includes a measuring instrument 12 including a tape measure and the holder 2 so that the user can easily see the storage 18. It may be provided to be exposed to the upper portion or the outer portion of the scale 16. In addition, it should be understood that the storage 18 may be formed in a fitting piece that can be simply fixed to a fitting groove formed in the measuring tool 12, rather than a case shape surrounding the measuring tool 12.

And more importantly, in the present invention, the self-measuring extensometer device of the present invention puts the horizontal bar 6 of the measuring instrument 12 on the head of the person in the state where the subject 20 stands on the scale 16 and stands. In addition to the tape measure observation point 10 of the front vertical stand 4 of the measuring tool 12, the tape measure 14 is formed on one side of the tape measure 14 of the tape measure winder. It is configured to measure your height directly.

That is, in forming a scale for measuring self-visual measurement on one side of the tape measure 14 of the measurer 12 of the measuring instrument 12, the tape measure S of the bottom surface of the scale 16 on which the subject 20 stands. It comprises a feature that is configured to be equal to the distance (d) value between the bottom surface of the horizontal stage (6) in contact with the head of the subject 20 and the tapered scale observation point 10 of the front vertical stage (4).

Indeed, the height of the subject 20 is the vertical distance from the bottom to the tip of the head when standing up. In the present invention, the observation window 8 of the front vertical stand 4 is located in front of the eye instead of reading the tape measure of the head. It is implemented to read the taper scale located at the taper scale observation point (10). To this end, in the present invention, the distance d between the bottom of the horizontal bar 6 that reaches the end of the subject 20 and the taper scale observation point 10 of the front vertical bar 4 is determined, and the bottom of the weight scale 16 is determined. The scale S of the tape measure located on the surface was equal to the distance d value. This has the effect of your height falling down to your eyes.

As a result of the present inventors confirmed, the distance from the head of the subject 20 to the eyes is similar for both adults and children, and is generally present within the range of 11 to 14 cm.

Therefore, assuming that the distance d between the bottom of the horizontal stand 6 touching the tip of the subject 20 and the tapered scale observation point 10 of the front riser 4 is, for example, 12 cm, the weight scale 16 The starting point of the scale (S) of the self-measurement measuring tape located on the bottom surface of the) is configured to form a scale directly from 12cm as shown in FIG.

In order to start the tape measure (S) located at the bottom of the scale 16, for example, starting at 12 cm, the tip of the tape measure 14 is cut to some extent and connected to the connecting piece 28 of the scale 16. There is a method of connecting to extend to the bottom of the scale 16 without cutting the tip of 14), and unlike the general tape measure, forms a scale for self-visual measurement engraved directly from the 12 cm scale on the bottom of the scale 16 There is also a way.

In addition, in the present invention, as a preferred example of forming a measurement scale on the tape measure 14 of the measuring tool 12 of the measuring tool 12, one side of the tape measure 14, such as the self-measurement scale (for example 12cm scale) On the other side of the tape measure 14 to form a regular tape measure (starting from 0 cm scale).

In this way, if both the self-measurement scale and the general tape measure is formed together on both sides of the tape measure 14, the subject can measure his or her own height by using the self-measurement scale, and if necessary, This has the advantage that a person may lose the height of the subject.

The self-measurement extensometer device of the present invention described with reference to FIGS. 1 to 4 is configured such that the measuring instrument 12 is integrated with the scale 16. Alternatively, the measuring apparatus 12 may be configured as a single product without the scale 16.

FIG. 5 is a schematic configuration diagram of a self-measuring extensometer device according to another embodiment of the present invention, and FIG. 6 is an overall perspective configuration diagram of the self-measuring extensometer device of FIG.

In the self-measuring extensometer device according to another embodiment of the present invention shown in FIGS. 5 and 6, the base plate 30 on which the subject 20 stands on behalf of the scale 16 shown in FIGS. It is provided, and the tip of the tape measure 14 is configured to be connected to the mill plate.

That is, in the self-measuring extensometer device according to another embodiment of the present invention, the front vertical stand 4 and the front vertical stand extending downward from the tape measure entrance of the tape measure and the winder 2 and having the tape measure observation point 10. (4) having a measuring instrument (12) having a horizontal strip (6) extending horizontally, but the tip of the tape measure (14) loosened from the tape measure and the winder (2) is configured to be fixedly connected to the scale 16, the subject (20) stepped on the scale 16, put the horizontal stand (6) of the measuring instrument (12) at the tip of his head and the tapered scale observation point (10) of the front vertical stand (4) of the measuring instrument (12) It is formed on one side of the tape measure and the tape measure (2) and is configured to measure the height directly through the self-visual measurement scale different from the general tape measure.

As a more specific example of a self-measuring extensometer device according to another embodiment of the present invention, the tape measure winder 2 and the tape measure winder 2 extends downward from the tape measure entrance of the case 2a of the tape measure winder 2 and observes a tape measure. A measuring instrument 12 having a front bench 4 with a point 10 and a horizontal bench 6 extending from the front bench 4, the tape measure 14 being released from the tape measure winder 2 The tip of the monitor 20 is stepped on the stand to form a base plate 30, the measure 20 on the bottom of the base plate 30 is standing on the step (S) is the head of the subject 20 It is configured to be equal to the value of the distance (d) between the bottom of the horizontal strip (6) touching the end and the tape measure observation point 10 of the vertical strip (4).

5 and 6 show an example in which the tip of the tape measure 14 is connected to the bottom of the bottom plate 30, and the tip of the bottom plate 30 to which the tape measure S is exposed is the front vertical stand 4. It is preferable that the same reference surface 26 is formed as the back surface of the tape measure and the tape measure inlet side of the tape measure holder 2 case. This is in close contact with the front end of the base plate 30 when the rear surface of the front vertical stand 4 and the taper entry and exit side surface of the tape measure inlet 2 case 2a are flatly supported by the wall 32. The tape measure 14 can maintain the vertical distance from the bottom to the tip of the head.

If the self-measuring extensometer device is configured as a single product as shown in Figures 5 and 6, the portability and portability is very good, and there is an advantage that it can be manufactured and sold at a low price.

1 to 6, the unexplained reference numeral "22" is a weight display unit.

On the other hand, Figures 7 to 11 is a modified example of a self-measuring extensometer device integrated into a body scale according to the date and time of the present invention, Figure 7 is a perspective configuration diagram during storage, Figure 8 is a perspective state configuration diagram when in use 9 is an exploded perspective configuration diagram of the measurement bar 230. 10 is a schematic configuration diagram of the state of use, and FIG. 11 is a diagram illustrating various examples of the scale-type self-extension device 1 for self-measuring.

As shown in FIGS. 7 and 8, the self-measuring extensometer device 1 having an integrated scale is one that is easily formed by an integral body without protruding an extensometer capable of measuring height on one side of an upper or side surface of an existing scale. It is intended to provide the convenience of storage while also being mobile.

In more detail, in the present invention, a mechanical or electronic weight scale display unit 120 is provided, the height meter 200 is integrally inserted with the scale 100 in one side of the scale 100 that can measure the weight of a person. The groove 110 is formed as shown in FIG. 8 so that the groove 110 has an extensometer 200 composed of a tape measure 210, a spring 220, and a measurement bar 230. A) (B) (C) is inserted into and integrated in various forms as shown. Tape measure 210 marked with an extension scale is fixed to one end is fixed to the groove 110, the other end is fixed to the winding spring 220 in the measuring bar 230. The spring 220 has a function of winding the tape measure 210 released for key measurement to its original position.

The measuring bar 230 is configured by assembling the body 235 and the cover 236 with a piece nail 238, as shown in Figures 6 to 7, after the assembly of any of the 'a' shape or 'c' shape It can be formed as one bar, provided with an upper stand that can be in contact with the crown of the user and at the same time having a structure having a front band bent at the upper stand so that he can read the scale of the tape measure 210 by eye directly do.

In addition, the main body 235 of the measuring bar 230 is provided with a receiving space 237 so that the tape measure 210 can be settled, and at one end of the receiving space 237, a measuring tape 210 for measuring the height of the measuring bar 210 is provided. An entrance 231 is provided to allow free entry and exit at 230, and a guide pin 234 is provided at one inner corner of the entrance 231.

The guide pin 234 guides the tape measure 210 to be flexibly moved between the doorway 231 and the spring 220 formed in the accommodation space 237 of the measurement bar 230, and guides the guide pin 234. If not configured, a passage leading from the entrance 231 to the mainspring 220 of the accommodation space 237 may be implemented in the form of a smooth curve.

One end of the tape measure 210 is fixed to the groove 110 of the weight scale 100, the length (H ') of the tape measure 210 in the groove 110 is the upper side of the upper side of the contact with the crown of the body in the measurement bar 230 It is configured to be equal to the distance (H) to the bottom point and the front entrance 231 point of the measurement bar 230 so that the scale can be read with the naked eye. This means that one side of the measuring tape measure 210 is configured to form a self-visual measurement scale different from the normal tape measure (starting from 0 cm scale).

At this time, one end of the tape measure 210 is preferably fixed to one side of the groove 110 of the scale 100, when the user actually measures the height of the person holding the measurement bar 230 as shown in FIG. Place the bottom of the measuring bar 230 on the upper side of the top of his crown, and then immediately read the extension scale of the tape measure 210 indicated by the front entrance 231 of the measuring bar 230. It is your height.

This is the height (H ') of the tape measure 210 to be buried in front of the measuring bar 230 to read the height scale value to be read with the help of another person at the point where the upper side of the measuring bar 230 abuts the crown. Because it acts to drop down to the large entrance (231) point (because H '= H) will be able to read his height scale directly at the entrance 231 point of the measurement bar 230 without the help of others.

In addition, one side of the receiving space 237 of the measuring bar 230 is fixed with a shaft pin 233 so that the winding spring 220 can wind the tape measure 210, the fixed tape measure 210 connected to the mainspring 220 By the bias force of 22, the state wound in the receiving space of the measurement bar 230 can be maintained.

In the above description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be defined by the described embodiments, but should be defined by the claims and their equivalents.

The present invention is the device of the present invention that can be configured integrally with the scale and the renal system, or can be configured in the form of a single renal system can be easily moved by both young and old, and easy to store even in a narrow space, such as the existing scale, as well as anyone's help It can be used to measure one's height conveniently and accurately.

Claims

Tapered winder (2) and horizontal stripe extending from the taper entrance of the tapered winder (2) and extending horizontally from the front vertical bar (4) and the front vertical bar (4) having a tape measure observation point (10) A measuring instrument 12 having a measuring instrument 12 including a tape measure winder 2 on a scale 16 connected to a distal end of the tape measure 14 loosened from the tape measure winder 2. Storage house 18 is configured to be installed, but the tape measure scale (S) of the bottom surface of the scale 16 standing on the subject 20 stands on the bottom and front of the horizontal stand (6) that touches the end of the subject 20. Self-extension extensometer device characterized in that the configuration equal to the distance (d) between the tape measure scale observation point 10 of the vertical stand (4).
A measuring instrument having a front crossbar 4 extending downward from a tape measure entrance of the tape measure winder 2 and having a horizontal crossbar 6 extending horizontally from the front crossbar 4 with the taper scale observation point 10 ( 12), the tip of the tape measure (14) loosened from the tape measure and the holder (2) is connected, and the test subject 20 constitutes the bottom plate (30) on which the test subject (20) is standing on the bottom plate (30). Tapered scale (S) of the bottom surface of) is equal to the value of the distance (d) between the bottom of the horizontal bar (6) touching the head of the subject 20 and the taper scale observation point (10) of the front vertical bar (4). Self-extension extensometer device characterized in that the configuration.
A measuring instrument having a front crossbar 4 extending downward from a tape measure entrance of the tape measure winder 2 and having a horizontal crossbar 6 extending horizontally from the front crossbar 4 with the taper scale observation point 10 ( 12), but the tip of the tape measure (14) loosened from the tape measure (2) is configured to be fixedly connected to the scale (16), and the measuring instrument (20) is stepped on the scale (16) and the measuring instrument (12) A horizontal bar (6) on the head of the head and formed on one side of the tape measure scale (2) along with the tape measure scale observation point (10) of the front vertical table (4) of the measuring instrument (12). Self-measuring extensometer device characterized in that it is configured to directly measure the height of the body through the self-visual measurement scale different from (starting from 0cm scale).
4. The self-measurement according to claim 3, wherein one side of the tape measure 14 of the tape measure 2 is different from the normal tape measure (starting from 0 cm scale) so that one's height can be directly observed at the measure scale 10. Self-measuring extensometer device characterized in that for forming a scale for the dragon and at the same time the other side of the tape measure (14).
4. A self-extension extensometer according to claim 2 or 3, characterized in that the taper scale observation point (10) is formed in the observation window (8) formed on the front vertical stage (4).
The taper entry and exit side of the tape measure and drawer case (2a) and the rear surface of the front vertical stand (4) are supported on the wall (32) and are attached to the front vertical stand (4). Self-extension extensometer device, characterized in that the reference surface 26 is formed so that the horizontal stage (6) to maintain the horizontal.
Mechanical or electronic weight scale display unit 120 is provided on one side of the weighing scale 100 for measuring the weight of a person having a measurement function of the tape measure 210 and the measurement bar 230 has a built-in tape measure 210 Height (200) having a) is formed in the groove 110 so that it can be integrally inserted into the scale 100, the measuring bar 230, while visually identifying the kidney scale of the tape measure 210 in front of his eyes It is configured to form one of 'a' or 'c' shape so that one can measure his own height, but on one side of the height measuring tape measure 210, the measurement is different from the general tape measure (starting from 0cm scale). Self-extension extensometer device, characterized in that configured to form a graduation.
The length H 'of the tape measure 210 extending in the groove 110 is measured by the measurement bar 230 so that the scale can be read by the naked eye and the bottom point of the upper side that is in contact with the parietal of the body. Self-extension extensometer device characterized in that the same as the distance (H) to the front entrance (231) point of the 230.
According to claim 7, wherein one end of the tape measure 210 is a self-extension device for measuring, characterized in that configured to be fixed to the groove (110) of the scale (100).