Angle measuring ruler and measuring method
A technology of angle measurement and measuring ruler, which is applied in the direction of angle/taper measurement, gauge for measuring angle/taper, measurement gauge, etc.
Active Publication Date: 2022-04-19
HANGZHOU GREAT STAR IND CO LTD
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Problems solved by technology
[0003] Aiming at the problems existing in the prior art, the present invention proposes an angle measuring ruler and a measuring method, the purpose of which is to overcome the defect that existing length measuring rulers such as tape measure do not have the function of angle measurement
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[0029] In the following, the specific implementation manners of the present invention will be further described in detail in conjunction with the accompanying drawings of the embodiments, so as to make the technical solution of the present invention easier to understand and grasp. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] This embodiment provides an angle measuring ruler, such as Figure 1-9 As shown, the measuring ruler has a first mark 120, a second mark 130 and an angle mark 140, the first mark 120 and the second mark 130 are located on the same straight line, and the angle mark 140 is the same as the first mark 140 A mark 120 and / or the second mark 130 are located on the same straight line, and the tangent value of the angle marked by the angle mark 140 is the distance from the angle mark 140 to the first mark 120 and the second mark The ratio of the dis...
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The invention discloses an angle measuring ruler and a measuring method, belonging to the technical field of measuring tools, and aims at overcoming the defect that existing length measuring rulers such as measuring tapes do not have an angle measuring function. The measuring ruler has a first logo, a second logo and an angle logo, the first logo and the second logo are located on the same straight line, and the angle logo is located on the same line as the first logo and / or the second logo. On the same straight line, the tangent value of the angle marked by the angle mark is the ratio of the distance from the angle mark to the first mark and the distance from the second mark to the first mark. The angle measuring ruler and measuring method provided by the present invention make the structure of tape measure, ruler and other rulers used for length measurement suitable for angle measurement, and combining it with the length measuring ruler can make the length measuring ruler capable of angle measurement Function, improve the scope of application of the measuring ruler.
Description
technical field [0001] The invention belongs to the technical field of measuring tools, and relates to an angle measuring ruler and a measuring method. Background technique [0002] Existing angle measuring devices generally have protractors, which can be used to measure lengths for commonly used length measuring tools such as tape measures, rulers, T-shaped rulers, and L-shaped rulers, but cannot be used to measure angles. During the operation, operators often need different tools to meet different operation needs, so they need to carry various tools. If they do not carry the corresponding tools, experienced operators can roughly estimate, and inexperienced operators can only stop the corresponding operations. For example, the length measurement tool is one of the most frequently used tools in the woodworking process, but it is often necessary to measure the angle. The existing length measurement tool has no angle measurement function and needs to carry the angle measuremen...
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IPC IPC(8): G01B3/1084G01B3/56G01B5/02G01B5/24
CPCG01B3/1084G01B3/56G01B5/02G01B5/24
Inventor 李井建易映强
Owner HANGZHOU GREAT STAR IND CO LTD