DE202007006460U1 - Measuring tape has lighting, and housing is provided with screen for illuminant and light of illuminant is deflected on measuring tape - Google Patents

Measuring tape has lighting, and housing is provided with screen for illuminant and light of illuminant is deflected on measuring tape Download PDF

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Publication number
DE202007006460U1
DE202007006460U1 DE202007006460U DE202007006460U DE202007006460U1 DE 202007006460 U1 DE202007006460 U1 DE 202007006460U1 DE 202007006460 U DE202007006460 U DE 202007006460U DE 202007006460 U DE202007006460 U DE 202007006460U DE 202007006460 U1 DE202007006460 U1 DE 202007006460U1
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Germany
Prior art keywords
housing
lighting
measuring tape
illuminant
screen
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Expired - Lifetime
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DE202007006460U
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German (de)
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Individual
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Individual
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Publication date
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Priority to DE202007006460U priority Critical patent/DE202007006460U1/en
Publication of DE202007006460U1 publication Critical patent/DE202007006460U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
    • 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
    • G01B3/1041—Measuring tapes characterised by casings
    • G01B3/1046—Details of external structure thereof, e.g. shapes for ensuring firmer hold
    • G01B3/1048—Integrated means for affixing or holding
    • 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
    • G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
    • G01B2003/1087—Tapes combined with arrangements for functions other than measuring lengths for illuminating

Abstract

The measuring tape has a lighting (30) and the lighting comprises a switch (31) on the housing and an illuminant (32) in the housing. The housing is provided with a screen (33) for the illuminant and the light of the illuminant is deflected on the measuring tape. The housing has a battery (40) in the inner side for the lighting. The illuminant is formed by a electric bulb or a light-emitting diode.

Description

Technisches Gebiettechnical area

Die Erfindung betrifft ein Maßband mit einer Beleuchtung, die einen Leuchtkörper umfaßt, für den ein Schirm vorgesehen ist, der einen Teil des Lichtes auf das Maßband ablenken kann.The The invention relates to a tape measure with a lighting comprising a luminous element, provided for by a screen is that can divert a portion of the light on the tape measure.

Stand der TechnikState of technology

Aus TW M121303 ist ein Maßband bekannt, das ein Infrarotlicht verwendet. Aus TW M292689 ist ein Maßband mit einer Leuchtdiode und aus TWM146861 ist ein Maßband mit einer Beleuchtung bekannt. Diese Maßbänder weisen jeweils eine Lichtquelle auf, deren Licht jedoch nicht auf das Maßband abgelenkt werden kann, so dass die Maßteilung in einer Dunkelheit schwer lesbar ist.Out TW M121303 is a tape measure known using an infrared light. From TW M292689 is a tape measure with a light emitting diode and from TWM146861 is a tape measure with a lighting known. These measuring tapes each have a light source but whose light can not be deflected to the measuring tape, so the graduation difficult to read in a dark.

Aufgabe der ErfindungTask of invention

Der Erfindung liegt die Aufgabe zugrunde, ein Maßband mit einer Beleuchtung zu schaffen, die das Maßband ausleuchten kann.Of the Invention is based on the object, a tape measure with a lighting to create the tape measure can illuminate.

Diese Aufgabe wird durch das erfindungsgemäße Maßband mit einer Beleuchtung gelöst, das aus einem Gehäuse, einem Maßband und einer Beleuchtung besteht, wobei die Beleuchtung einen Schalter auf dem Gehäuse und einen Leuchtkörper im Gehäuse umfaßt, dadurch gekennzeichnet, dass für den Leuchtkörper das Gehäuse mit einem Schirm versehen ist, der ein rechtwinkliges Prisma ist, dessen Hypotenuse dem Leuchtkörper und dessen Kathete dem Maßband zugewandt ist. Das Licht des Leuchtkörpers wird durch die Hypotenuse des Schirmes ausgestrahlt, wodurch der zu messende Gegenstand ausgeleuchtet wird. Ein Teil des Lichtes wird von der Hypotenuse auf die Kathete abgelenkt, wodurch das Maßband auch ausgeleuchtet wird.These Task is by the tape measure according to the invention with a lighting solved, that from a housing, a measuring tape and lighting, the lighting being a switch on the case and a filament in the casing comprises characterized in that for the filament the housing provided with a screen which is a right-angled prism, its hypotenuse the filament and its catheters the tape measure is facing. The light of the filament is through the hypotenuse the screen emitted, whereby the object to be measured illuminated becomes. Part of the light is transferred from the hypotenuse to the catheters distracted, causing the tape measure is also lit up.

Außerdem kann der Schirm den Leuchtkörper vor einer Beschädigung durch eine Außenkraft schützen.In addition, can the screen the lamp from damage protected by an external force.

Kurze Beschreibung der ZeichnungenShort description the drawings

1 eine perspektivische Darstellung der Erfindung, 1 a perspective view of the invention,

2 eine Darstellung der Erfindung beim Nichtgebrauch der Beleuchtung, 2 a representation of the invention when not using the lighting,

3 eine Darstellung der Erfindung beim Gebrauch der Beleuchtung. 3 a representation of the invention in the use of lighting.

Wege zur Ausführung der ErfindungWays to execute the invention

Wie aus den 1 und 2 ersichtlich ist, besteht der Hauptkörper (1) der Erfindung aus einem Gehäuse (10), einem Maßband (20) und einer Beleuchtung (30).Like from the 1 and 2 is apparent, the main body ( 1 ) of the invention from a housing ( 10 ), a measuring tape ( 20 ) and a lighting ( 30 ).

Das Gehäuse (10) nimmt im Inneren eine Batterie (40) für die Beleuchtung (30) auf. Das Maßband (20) ist im Gehäuse (10) aufgerollt und aus einem flexiblen Stahlblech hergestellt. Am Ende des Maßbandes (20) ist ein Haken (21) vorgesehen, der am zu messenden Gegenstand haken kann.The housing ( 10 ) takes inside a battery ( 40 ) for lighting ( 30 ) on. The measuring tape ( 20 ) is in the housing ( 10 ) rolled up and made of a flexible sheet steel. At the end of the measuring tape ( 20 ) is a catch ( 21 ), which can hook on the object to be measured.

Die Beleuchtung (30) umfaßt einen Schalter (31) und einen Leuchtkörper (32). Der Schalter (31) ist auf der Stirnseite des Gehäuses (10) angeordnet und dient zum Einschalten und Ausschalten der Beleuchtung (30). Der Leuchtkörper (32) ist im Gehäuse (10) angeordnet und durch eine Glühbirne oder Leuchtdiode gebildet. Für den Leuchtkörper (32) ist das Gehäuse (10) mit einem Schirm (33) versehen, der den Leuchtkörper (32) vor einer Beschädigung durch eine Außenkraft schützen kann.The lighting ( 30 ) includes a switch ( 31 ) and a luminous body ( 32 ). The desk ( 31 ) is on the front side of the housing ( 10 ) and is used to turn on and off the lighting ( 30 ). The luminous body ( 32 ) is in the housing ( 10 ) and formed by a light bulb or light emitting diode. For the luminous body ( 32 ) is the housing ( 10 ) with a screen ( 33 ), which the luminous body ( 32 ) can protect against damage by an external force.

Der Schirm (33) ist ein rechtwinkliges Prisma, dessen Hypotenuse (331) dem Leuchtkörper (32) und dessen Kathete (332) dem Maßband (20) zugewandt ist. Wenn der Schalter (31) betätigt wird, leuchtet der Leuchtkörper (32) (3), dessen Licht durch die Hypotenuse (331) des Schirmes (33) ausgestrahlt wird, wodurch der zu messende Gegenstand ausgeleuchtet wird. Wenn die Lichtstrahlen aus einem Medium in ein anderes Medium übertreten, wird die Richtung der Lichtstrahlen verändert, wenn die Ausbreitungsgeschwindigkeit in den beiden Medien verschieden ist. Nach dem Brechungsgesetz ist der Brechungswinkel kleiner als der Einfallswinkel, wenn das Brechungsmedium optisch dichter ist. Daher wird ein Teil des Lichtes durch die Reflexion der Hypotenuse (331) auf die Kathete (332) abgelenkt. Dadurch wird das Maßband (20) auch ausgeleuchtet, so dass die Maßteilung in der Dunkelheit leicht gelesen werden kann.The screen ( 33 ) is a right-angled prism whose hypotenuse ( 331 ) the luminous body ( 32 ) and its catheters ( 332 ) the measuring tape ( 20 ) is facing. When the switch ( 31 ) is activated, the luminous element ( 32 ) ( 3 ), whose light passes through the hypotenuse ( 331 ) of the screen ( 33 ) is emitted, whereby the object to be measured is illuminated. When the light rays from one medium pass into another medium, the direction of the light rays is changed when the propagation velocity in the two media is different. According to the law of refraction, the refraction angle is smaller than the angle of incidence when the refraction medium is optically more dense. Therefore, part of the light is reflected by the hypotenuse ( 331 ) on the catheters ( 332 ) distracted. This will cause the tape measure ( 20 ) also illuminated so that the graduation can be easily read in the dark.

Aufgrund der obengenannten Tatsachen entspricht die Erfindung in ihrer Verfügbarkeit, Fortschrittlichkeit und Neuheit vollauf den Anforderungen für ein Gebrauchsmuster.by virtue of the above facts, the invention corresponds in its availability, Progressiveness and novelty fully on the requirements for a utility model.

Claims (5)

Maßband mit einer Beleuchtung, die aus einem Gehäuse (10), einem Maßband (20) und einer Beleuchtung (30) besteht, wobei die Beleuchtung (30) einen Schalter (31) auf dem Gehäuse (10) und einen Leuchtkörper (32) im Gehäuse (10) umfaßt, dadurch gekennzeichnet, dass für den Leuchtkörper (32) das Gehäuse (10) mit einem Schirm (33) versehen ist, der das Licht des Leuchtkörpers (32) auf das Maßband (20) ablenken kann.Measuring tape with a lighting coming from a housing ( 10 ), a measuring tape ( 20 ) and a lighting ( 30 ), the lighting ( 30 ) a switch ( 31 ) on the housing ( 10 ) and a luminous body ( 32 ) in the housing ( 10 ), characterized in that for the filament ( 32 ) the housing ( 10 ) with a screen ( 33 ), which illuminates the light of the filament ( 32 ) on the measuring tape ( 20 ) can distract. Maßband nach Anspruch 1, dadurch gekennzeichnet, dass das Gehäuse (10) im Inneren eine Batterie (40) für die Beleuchtung (30) aufnimmt.Tape measure according to claim 1, characterized gekenn draws that the housing ( 10 ) inside a battery ( 40 ) for lighting ( 30 ). Maßband nach Anspruch 1, dadurch gekennzeichnet, dass der Leuchtkörper (32) durch eine Glühbirne oder Leuchtdiode gebildet ist.Measuring tape according to claim 1, characterized in that the luminous body ( 32 ) is formed by a light bulb or light emitting diode. Maßband nach Anspruch 1, dadurch gekennzeichnet, dass der Schirm (33) ein rechtwinkliges Prisma ist.Measuring tape according to claim 1, characterized in that the screen ( 33 ) is a right-angled prism. Maßband nach Anspruch 4, dadurch gekennzeichnet, dass die Hypotenuse (331) des Schirmes (33) dem Luchtkörper (32) und die Kathete (332) des Schirmes (33) dem Maßband (20) zugewandt ist.Tape measure according to claim 4, characterized in that the hypotenuse ( 331 ) of the screen ( 33 ) the Luchtkörper ( 32 ) and the catheters ( 332 ) of the screen ( 33 ) the measuring tape ( 20 ) is facing.
DE202007006460U 2007-05-03 2007-05-03 Measuring tape has lighting, and housing is provided with screen for illuminant and light of illuminant is deflected on measuring tape Expired - Lifetime DE202007006460U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE202007006460U DE202007006460U1 (en) 2007-05-03 2007-05-03 Measuring tape has lighting, and housing is provided with screen for illuminant and light of illuminant is deflected on measuring tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202007006460U DE202007006460U1 (en) 2007-05-03 2007-05-03 Measuring tape has lighting, and housing is provided with screen for illuminant and light of illuminant is deflected on measuring tape

Publications (1)

Publication Number Publication Date
DE202007006460U1 true DE202007006460U1 (en) 2007-07-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010089148A1 (en) 2009-02-09 2010-08-12 Cetin Fidan Folding rule having a lighting element
DE202009005720U1 (en) 2009-04-16 2010-09-02 Fidan, Cetin Ruler for reading distances

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010089148A1 (en) 2009-02-09 2010-08-12 Cetin Fidan Folding rule having a lighting element
DE102009017655A1 (en) 2009-02-09 2010-08-19 Cetin Fidan Folding rule for use in building industry for taking readings of distances between components, has lighting elements i.e. LEDs, designed for illuminating surrounding and operated by battery or solar power
DE102009017655B4 (en) * 2009-02-09 2010-11-18 Cetin Fidan Ruler for reading distances
US8689456B2 (en) 2009-02-09 2014-04-08 Cetin Fidan Folding rule having a lighting element
DE202009005720U1 (en) 2009-04-16 2010-09-02 Fidan, Cetin Ruler for reading distances

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20070816

R150 Term of protection extended to 6 years

Effective date: 20100517

R157 Lapse of ip right after 6 years

Effective date: 20131203