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Lengthening ruler

A technology of middle ruler and side ruler, which is applied to rulers, rulers for direct reading, printing, etc., which can solve the problems of actual use of rulers and inconvenient carrying and storage

Inactive Publication Date: 2013-05-22
董心怡
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when measuring or drawing, the commonly used ruler will be limited by the length of the ruler itself. If the size of the ruler is increased too much, it will inevitably cause inconvenience in actual use and carrying and storage of the ruler.

Method used

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Examples

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Embodiment Construction

[0013] The present invention is described below in conjunction with accompanying drawing.

[0014] attached figure 1 , 2 , 3 is a kind of lengthening ruler according to the present invention, comprises ruler plate, and described ruler plate comprises the first middle ruler 2, the second middle ruler 1, the first side ruler 4, the second side ruler 3; The two ends of the length direction of the middle ruler 2 and the second middle ruler 1 are respectively provided with an upper draw-in groove 5 and a lower draw-in groove 6; one end of the length direction of the first side ruler 4 is provided with an upper draw-in groove 5; One end of the chi length 3 degree direction is provided with a lower card slot 6; when the installation is connected, the upper card slot 5 of the first middle ruler 2 is connected with the lower card slot 6 of the second middle ruler 1 through a rotating shaft 7; The lower slot 6 of the middle ruler 2 is connected with the upper slot 5 of the first side ...

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PUM

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Abstract

The invention discloses a lengthening ruler. The lengthening ruler comprises ruler plates, wherein the ruler plate comprises a first middle ruler, a second middle ruler, a first edge ruler, and a second edge ruler; two ends of length directions of the first middle ruler and the second middle ruler are respectively provided with an upper neck and a lower neck; one end of the length direction of the first edge ruler is provided with an upper neck, and a lower neck is formed in one end of the length direction of the first edge ruler; in the process of installation and connection, the upper neck of the first middle ruler is connected with the lower neck of the second middle ruler in a matched mode through a spindle; the lower neck of the first middle ruler is connected with the upper end of the first edge ruler in a matched mode through the spindle; and the upper neck of the second middle ruler is connected with the lower neck of the second edge ruler in a matched mode through the spindle. The lengthening ruler enables the two sides ruler plates to be convenient to rotatably accommodate, fold, and bring along the spindle when the lengthening ruler is carrying, and the occupied space is small; in practical use, the lengthening ruler enables the two sides ruler plates to rotate outside along the spindle, lengthens using length of the ruler, and is not subject to length restriction of the ruler when drawing pictures.

Description

technical field [0001] The invention relates to a ruler, in particular to a ruler that can be lengthened, and belongs to the technical field of stationery and school supplies. Background technique [0002] At present, when measuring or drawing, the commonly used ruler will be limited by the length of the ruler itself. If the size of the ruler is increased too much, it will inevitably cause inconvenience in actual use and carrying and storage of the ruler. . Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is to propose a ruler that can be lengthened, and avoid the shortcomings in practical use and carrying and storage. [0004] The technical solution of the present invention is realized as follows: a kind of lengthening chi, comprises ruler board, and described ruler board comprises the first middle ruler, the second middle ruler, the first side ruler, the second side ruler; The two ends of the leng...

Claims

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Application Information

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IPC IPC(8): B43L7/08B43L7/12G01B3/06
Inventor 董心怡
Owner 董心怡
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