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: 2020-10-13
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, belongs to the technical field of measuring tools, and aims at overcoming the defect that an existing length measuring ruler such as a measuring tape does not have an angle measuring function. The measuring ruler is provided with a first identifier, a second identifier and an angle identifier. The first identifier and the second identifier are positioned on the same straight line; the angle identifier and the first identifier and / or the second identifier are / is located on the same straight line, and the tangent value of the angle identified by the angle identifier is the ratio of the distance from the angle identifier to the first identifier to the distance from the second identifier to the first identifier. Accordingto the angle measuring ruler and the measuring method provided by the invention, the structures of rulers for length measurement, such as flexible rulers and straight rulers, can be suitable for angle measurement, the length measuring ruler can have an angle measuring function by combining the rulers with the length measuring ruler, and the application range of the measuring ruler is widened.
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