KR20110079936A - A portable tape measure - Google Patents

A portable tape measure Download PDF

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Publication number
KR20110079936A
KR20110079936A KR1020100000036A KR20100000036A KR20110079936A KR 20110079936 A KR20110079936 A KR 20110079936A KR 1020100000036 A KR1020100000036 A KR 1020100000036A KR 20100000036 A KR20100000036 A KR 20100000036A KR 20110079936 A KR20110079936 A KR 20110079936A
Authority
KR
South Korea
Prior art keywords
spool
case
band member
tape measure
wound
Prior art date
Application number
KR1020100000036A
Other languages
Korean (ko)
Inventor
김석용
Original Assignee
김석용
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김석용 filed Critical 김석용
Priority to KR1020100000036A priority Critical patent/KR20110079936A/en
Publication of KR20110079936A publication Critical patent/KR20110079936A/en

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Classifications

    • 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
    • G01B3/10—Measuring tapes
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1005—Means for controlling winding or unwinding of tapes
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1056—Tape end arrangements, e.g. end-hooks
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1005—Means for controlling winding or unwinding of tapes
    • G01B3/1007—Means for locking
    • G01B2003/1012—Means for locking engaging the tape in a direction parallel to the tape itself
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1005—Means for controlling winding or unwinding of tapes
    • G01B2003/1023—Winding mechanisms
    • G01B2003/103—Winding mechanisms operated by springs
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1005—Means for controlling winding or unwinding of tapes
    • G01B2003/1033—Means for activating the locking, braking or releasing of the tape, e.g. buttons
    • G01B2003/1035—Means for activating the locking, braking or releasing of the tape, e.g. buttons by pivotal operation
    • G01B2003/1043—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tape Measures (AREA)

Abstract

PURPOSE: A portable tape-measure is provided to a band member to be efficiently held in the inner case of a limited case even if the length of the band member is significantly extended as a coil spring is divided into bosh sides of the band member held on the middle part of the case. CONSTITUTION: A portable tape-measure comprises a band member(T), a case, a central rod, a hole, a spool, a first return unit and a second return unit. The band member is wound on the inner central rod of the case in a roll form. The band member is released or wound through the hole. The spool, on which the band member is wound, is rotatably assembled to the middle part of the central rod. The first and second return units, which inversely rotates the spool, winds and pulls the band member, are installed on both sides of the spool.

Description

Portable tape measure {A portable tape measure}

The present invention relates to a tape measure, and more particularly, to a portable tape measure that is easy to carry by reducing the volume and weight while extending the length of the strip member in the tape measure case.

Tape measure, which is generally used in various industrial sites such as construction and civil engineering, is a strip-shaped long ruler made of thin thin cloth or iron, and can be unwound or wound by storing the strip member in a predetermined case. It is configured to be.

Looking at the configuration of such a tape measure, as a related art, a number of well-known in addition to the 'tape measure' of Korean Patent Publication No. 2004-0008254 (2004.01.28.) Illustrated in FIG.

1 is an internal cross-sectional view illustrating a tape measure according to the prior art. Referring to FIG. 1, the tape measure of the related art is briefly described. The tape 2 is wound around the shaft 2 installed in the case 1, and the tape 4 is rolled in the direction in which the tape 4 is rolled. It consists of a rotating drum (3) with a built-in coil spring (5).

However, the conventional tape measure as described above has a problem that the length of the tape is limited because the tape is wound on the outer surface of the coil spring. That is, in order to make the length of the tape measure longer than a certain standard, not only the length of the tape is long, but also the size of the coil spring is relatively large, so that the tape can be rolled up without difficulty. This makes the tape measure very large.

For example, according to the standard, the tape measure is produced in a variety of 2M, 3.5M, 5M, 5.5M, 7.5M, 10M or more, but the longer the length of the tape measure, the longer the relative volume and weight is significant. have.

An object of the present invention is to divide the coil spring into both sides of the band member to be accommodated in the middle of the case, even if the length of the band member to extend significantly can be stored efficiently in the limited space of the case, the volume of tape To reduce the weight.

The present invention relates to a portable tape measure in which a band member wound in a roll shape on an inner center bar of a case is unwound or reversely wound through an entrance hole on one side, wherein the spool on which the band member is wound rotates at an intermediate portion of the center bar. It is possible to assemble, and propose a portable tape measure, characterized in that the first and second return means for winding the strip member by rotating the spool is provided on both sides of the spool.

In addition, the first and second return means of the present invention, the spool is formed on both sides of the intermediate concave portion protruding jaw, and the spring case having the coil spring to form a slot to be fitted into the projection jaw Each fitting part is assembled to the receiving unit; One end of the coil spring is coupled to the central rod and the other end is characterized in that the configuration coupled to the spring case.

In another aspect, the present invention, the button groove formed on one side of the access hole of the case; A stop groove formed on an outer surface of the spool; A pin button coupled to the button groove and having a locking jaw formed at one end thereof detachable from the stop groove; An elastic force acts on the fixing button, characterized in that the fixing means made of a spring to closely contact the locking step with the stop groove.

The present invention can reduce the volume of the case as well as the weight, while being able to use the length of the band member to be accommodated to a sufficient length, there is a very practical effect is easy to carry. For example, it is possible to extend the length of the strip member accommodated in the case of the same standard to 1.5 to 2 times longer than the conventional tape measure, and at a time without having to divide the dimension measurement and the linear work at several times in the workplace. It can be possible, and work efficiency can be greatly improved.

In addition, the present invention, because the restoring force acts by the coil coils on both sides, the unwinding and winding of the band member is balanced and stable operation, as well as preventing the malfunction. In addition, the present invention has a very convenient advantage as the belt member is automatically fixed by a one-touch fixing button provided on one side of the case.

In addition, the present invention is simple in structure and easy to manufacture, which is excellent in productivity, and overcomes problems such as the volume and weight of the case according to the length of the existing tape measure.

1 is an internal cross-sectional view illustrating a tape measure according to the prior art.
Figure 2 is a perspective view showing the outline of the portable tape measure according to an embodiment of the present invention.
Figure 3 is an exploded perspective view showing the configuration of a portable tape measure according to the present invention.
Figure 4 is a plan view showing a portable tape measure of the present invention in a cross section.
5 is a cross-sectional view taken along the line “A”-“A” of FIG. 4.
Figure 6 is a perspective view showing another embodiment of a portable tape measure according to the present invention.
7 is a perspective view showing a portable tape measure according to another embodiment of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in describing the present invention, when it is determined that a detailed description of related known functions or configurations may unnecessarily obscure the subject matter of the present invention, Detailed description will be omitted.

Figure 2 is a perspective view showing the outline of the portable tape measure according to a preferred embodiment of the present invention, Figure 3 is an exploded perspective view showing the configuration of the portable tape measure according to the present invention. 4 is a plan view showing a portable tape measure of the present invention in cross section, and FIG. 5 is a cross-sectional view taken along the line “A”-“A” of FIG. 4.

The portable tape measure of the present invention according to the above drawings, so that the band member (T) wound in the form of a roll on the inner center bar 12 of the case 10 to be unwound or reversely wound through the one side entrance hole 11. In the portable tape measure, the spool 20 on which the band member T is wound is rotatably assembled in the middle portion of the center bar 12, and the spool 20 is reversely rotated to wind the band member T. Pulling, the first and second return means (30a, 30b) is characterized in that provided on both sides of the spool (20).

The above is described in more detail as follows.

First, the present invention provides a tape measure case 10, a spool 20 to which the band member T is wound, first and second return means 30a and 30b, and fixing means of the band member T. 50).

The case 10 is divided into a lower case 10a and an upper case 10b and assembled to each other, and a hole 11 and a button groove 13 are formed at predetermined intervals on one side thereof, and the lower case 10a The center bar 12 is formed in the center of the inner side of the).

The center rod 12 has a first fixing groove 14a and a second fixing groove 14b formed at predetermined intervals in the middle portion thereof, and the recess 16 is formed at the upper and lower portions of the fixing grooves 14a and 14b. Is formed. The upper case 10b is fixed by fastening the fixing screw 19 to the screw hole 18 of the upper end of the center bar 12.

The spool 20 is fitted to the middle portion of the center rod 12 and is rotatably assembled by fitting a snap ring 48 into the fixing grooves 14a and 14b.

In the first and second return means (30a, 30b) of the present invention, the spool 20 forms a receiving portion (24, 25) having protruding jaw (26) on both sides of the intermediate concave portion (22), Forming a slot (44) into which the protruding jaw (26) is fitted in a spring case (40) having the coil spring (32) and fitted into the receiving parts (24, 25), respectively; One end 33 of the coil spring 32 is coupled to the central rod 12 and the other end 34 is characterized in that the configuration coupled to the spring case (40).

That is, the spool 20 assembles the first and second return means 30a and 30b to the first and second receivers 24 and 25 provided on the upper and lower surfaces of the intermediate recess 22, respectively, as shown in the drawing. As a result, the belt member T is wound to a sufficient length from the inside of the recess. To this end, the spool 20 is reduced in diameter so that the inner surface of the concave portion 22 fitted to the central rod is close to the central rod 12.

The spring case 40 is formed with a fixing groove 42 to which the other end 34 of the coil spring is fitted and fixed, and a cover 46 is assembled to cover the coil spring 32 housed therein.

Here, the first and second returning means 30a and 30b form a slot 44 at a predetermined interval in the spring case 40 and the protruding jaw 26 formed in the receiving portions 24 and 25 of the spool 20. ) Is fitted into the slot 44.

That is, as the protruding jaw 26 of the accommodating parts 24 and 25 is easily fitted into the slot 44 in the assembling direction, the spring case 40 is interlocked together when the spool 20 is rotated. will be.

The fixing means 50 is to stop the belt member from being wound into the case in the unwinded state, thereby fixing the reverse rotation of the spool (20).

The fixing means 50 of the present invention, the button groove 13 formed on one side of the entrance hole 11 of the case 10; A stop groove 58 formed on an outer surface of the spool 20; A pin button 54 coupled to the button groove 13 and a locking button 52 formed at one end of the locking jaw 53 to be detached from the stop groove 58; An elastic force acts on the fixing button 52, and the locking jaw 53 is characterized by being composed of a spring 56 in close contact with the stop groove 58.

That is, at least one or a plurality of stop grooves 58 are formed on the outer surface of the spring case 40 at regular intervals, and the fixing button 52 is assembled to the pin groove 54 in the button groove 13 of the case. do. The fixing button 52 is the other side locking jaw 53 is elastically supported by the spring 56 so that the locking jaw 53 is detached / attached to the spool 20.

At this time, one side of the stop groove 58 is made of the inclined surface 59, when the band member (T) is released, the locking jaw 53 is in sliding contact along the inclined surface 59 while the spool 20 is counterclockwise Can be rotated in reverse, but in the clockwise direction. In addition, when the belt member (T) is released in the pulled state, the spool is automatically wound while rotating in the clockwise direction by the return means (30a, 30b), wherein the fixing button (52) of the spring (56) As the spool is fixed by engaging the stop groove 58 by the elastic restoring force, the winding of the belt member T is stopped.

It is convenient to carry a tape measure by having a fixing clip 60 on one side of the case 10.

The portable tape measure of the present invention minimizes the size of the case, facilitates portability and use, and simultaneously extends the length of the strip member T to 1.5 to 2 times or more, thereby limiting the length of the tape measure. In addition to overcoming the problem, it is possible to extend the work efficiency even at a time without having to divide the dimensional measurement and the straight line work at several times at the work site.

Meanwhile, the band member T according to the present invention is preferably made of a ruler Ta or a string (thread, Tb). That is, the ruler Ta is a general mark with a scale, and is mainly used for measuring dimensions at a construction site, or the line Tb indicates a straight line or horizontal, vertical, angle, work position, etc. It is very useful.

This is another embodiment of a portable tape measure according to the present invention, domestically registered utility model No. 441889 (2008.09.09.) Or previously proposed by the applicant of the present invention, or domestic patent application No. 2009-88154 (2009.09.17) This is shown in 'Linear display for construction sites'.

6 is a perspective view showing another embodiment of a portable tape measure according to the present invention, Figure 7 is a perspective view showing a portable tape measure according to another embodiment of the present invention.

Referring to FIGS. 6 and 7, the tape measure according to other embodiments of the present invention may be used to easily fix or release the ruler Ta or the string Tb wound around the case with the fixtures 100a and 100b, respectively. It is. That is, according to the present invention, by extending the length of the ruler (Ta) or the line (Tb), it is possible to fully extend the work such as horizontal or straight line display, distance measurement, etc. in the building site far, and greatly improve the work efficiency You will be able to.

In addition, the embodiments of the present invention have been described in detail, but are not intended to limit the technical scope of the present invention, and the present invention will be more clearly and easily described by those skilled in the art having ordinary skill in the art. It is intended to be substituted, modified, and improved.

10: Case 12: Center rod
20: Spool 22: The indentation part
24, 25: storage 26: protrusion
30a, 30b: Return means 32: Coil spring
40: Spring case 44: Slot
46: Cover 48: Snap ring
50: fixing means 52: fixing button
56: Spring 60: Clip
T: strip member

Claims (3)

In the portable tape measure in which the band member T wound in the form of a roll in the inner center bar 12 of the case 10 is unwound or reversely wound through the entrance hole 11 on one side,
The spool 20 on which the band member T is wound is rotatably assembled to an intermediate portion of the center bar 12, and the first and second coils are wound around the band member T by rotating the spool 20 in reverse. Portable tape measure, characterized in that the return means (30a, 30b) are provided on both sides of the spool (20).
The method of claim 1, wherein the first and second return means (30a, 30b),
The spool 20 has accommodation portions 24 and 25 having protrusion jaws 26 on both sides of the intermediate concave portion 22, and the protrusion jaw at the spring case 40 having the coil spring 32. A slot 44 into which the 26 is fitted is formed and fitted into the housing portions 24 and 25, respectively;
One end 33 of the coil spring 32 is coupled to the central rod 12 and the other end 34 is a portable tape characterized in that the configuration coupled to the spring case (40).
The method according to claim 1 or 2,
A button groove 13 formed at one side of the access hole 11 of the case 10;
A stop groove 58 formed on an outer surface of the spool 20;
A pin button 54 coupled to the button groove 13 and a locking button 52 formed at one end of the locking jaw 53 to be detached from the stop groove 58;
An elastic force is applied to the fixing button 52, and a portable tape measurer further comprises a fixing means 50 made of a spring 56 for closely contacting the locking jaw 53 to the stop groove 58.
KR1020100000036A 2010-01-04 2010-01-04 A portable tape measure KR20110079936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100000036A KR20110079936A (en) 2010-01-04 2010-01-04 A portable tape measure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100000036A KR20110079936A (en) 2010-01-04 2010-01-04 A portable tape measure

Publications (1)

Publication Number Publication Date
KR20110079936A true KR20110079936A (en) 2011-07-12

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200481020Y1 (en) * 2015-09-09 2016-08-03 주식회사 이티엔커머스 Apparatus for supporting clothes line
KR102023508B1 (en) 2019-05-13 2019-09-20 백용기 A winding device with a multi built-in springs
WO2020023528A1 (en) * 2018-07-24 2020-01-30 Milwaukee Electric Tool Corporation Tape measure with retraction spring adjacent to tape reel
EP3783299A1 (en) * 2012-09-19 2021-02-24 Stanley Black & Decker, Inc. Measuring tape rule device with a plurality of springs

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3783299A1 (en) * 2012-09-19 2021-02-24 Stanley Black & Decker, Inc. Measuring tape rule device with a plurality of springs
KR200481020Y1 (en) * 2015-09-09 2016-08-03 주식회사 이티엔커머스 Apparatus for supporting clothes line
WO2020023528A1 (en) * 2018-07-24 2020-01-30 Milwaukee Electric Tool Corporation Tape measure with retraction spring adjacent to tape reel
CN112534205A (en) * 2018-07-24 2021-03-19 米沃奇电动工具公司 Tape measure with retraction spring adjacent to tape reel
US11226187B2 (en) 2018-07-24 2022-01-18 Milwaukee Electric Tool Corporation Tape measure with retraction spring adjacent to tape reel
US11815350B2 (en) 2018-07-24 2023-11-14 Milwaukee Electric Tool Corporation Tape measure with retraction spring adjacent to tape reel
US20240035795A1 (en) * 2018-07-24 2024-02-01 Milwaukee Electric Tool Corporation Tape Measure with Retraction Spring Adjacent to Tape Reel
KR102023508B1 (en) 2019-05-13 2019-09-20 백용기 A winding device with a multi built-in springs

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