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Vernier caliper with scale value of 0.05mm

A vernier caliper and vernier ruler technology, applied in the field of vernier calipers and measuring tools, can solve the problems of easy to read wrong numbers and difficult reading, and achieve the effect of easy reading, practical and convenient length measurement

Inactive Publication Date: 2012-07-25
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the engraved lines on the vernier are dense, when using the vernier caliper to measure the length, people with poor eyesight will have difficulty in reading or easily read the wrong number.

Method used

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  • Vernier caliper with scale value of 0.05mm
  • Vernier caliper with scale value of 0.05mm

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] As shown in the figure, a vernier caliper with a division value of 0.05 mm in the present invention is composed of a main scale 1 and a vernier scale 2. There are 20 divisions on the vernier scale 2, and the length of each division is 1.05 mm. The minimum graduation of the main scale 1 is still 1mm.

[0013] From the first engraved line on the far right on the vernier scale 2, the engraved marks "0", "25", "50", "75" and "0" are marked every 5 divisions from right to left Line readout markers.

[0014] When measuring length with the vernier caliper of the present invention, first read the millimeter integer reading of the main scale 1 indicated by the left "0" engraved line on the vernier scale 2, and then judge which engraved line on the vernier scale 2 is the same as the engraved line on the main scale 1. When the lines coincide, read the corresponding reading on the vernier scale 2, and add it after the reading on the main scale 1.

[0015] The measurement principl...

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PUM

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Abstract

The invention discloses a vernier caliper with the scale value of 0.05mm, which comprises a main ruler and a vernier, the vernier has 50 scale marks, and the length of each scale mark is 1.02mm. Starting from the rightmost first scale mark on the vernier, the reading marks of '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' and '0' are sequentially marked every five scale marks from the right to the left. Under the premise of not changing the measurement precision, the vernier caliper is easier to read, and is more practical and convenient in measuring length.

Description

technical field [0001] The invention belongs to the scope of measuring tools, and relates to a vernier caliper, in particular to a vernier caliper with a division value of 0.05mm. Background technique [0002] The vernier caliper is a commonly used length measurement tool, and the main ruler and the vernier ruler of the vernier caliper are marked with reading lines. For example, the minimum division of the main scale of a vernier caliper with 20 divisions is 1mm, and the total length of the 20 divisions on the vernier is equal to 19mm, that is, the length of one division on the vernier is only 0.95mm. Due to the dense markings on the vernier caliper, people with poor eyesight may have difficulty in reading or make mistakes when measuring length with a vernier caliper. Contents of the invention [0003] The technical problem to be solved by the present invention is to develop a vernier caliper with a division value of 0.05mm that can facilitate reading and ensure measureme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B3/20
Inventor 曹亦轩陈健
Owner JIANGNAN UNIV
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