Vernier caliper

A vernier caliper and depth gauge technology, applied in the field of vernier calipers, can solve the problems of easily changing the current position of the slider and affecting the reading of the vernier caliper

Inactive Publication Date: 2017-08-29
翁毅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When operating the fastening device, if you are a little careless, it is easy to change the current position of the slider, thereby affecting the reading of the vernier caliper

Method used

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Embodiment Construction

[0028] The above and other technical features and advantages of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them.

[0029] refer to Figure 1a , the present invention provides a vernier caliper, comprising a main scale 1 and a slider 2 slidingly connected to the main scale 1 . In the figure, there is a measuring claw 11 at the end of the main scale 1, and a measuring claw 21 at the end of the slider 2. These two measuring claws 11, 21 cooperate with each other to clamp the object 3 to be measured. in, Figure 1b It shows the state where the object 3 to be measured is clamped by the two measuring jaws 11 and 21 . In this state, the slider 2 has moved a certain distance along the length direction of the main ruler 1 . During normal use, the slider 2 can be driven to move along the length direction of...

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PUM

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Abstract

The present invention provides a vernier caliper. A slider can be fixed relative to a main ruler by an electromagnet so as to keep its position constant without affecting the reading of the vernier caliper. The control mode of the electromagnet is intelligent. In particular, after it is judged that the slider stops moving, the electromagnet is energized under control.

Description

technical field [0001] The invention relates to a measuring tool, more specifically to a vernier caliper. Background technique [0002] Vernier Caliper is a measuring tool for measuring length, inner and outer diameters, and depth. The vernier caliper is composed of two parts, the main ruler and the sliding vernier attached to the main ruler. The main ruler is generally in millimeters, and the vernier has 10, 20 or 50 divisions. [0003] For example, the patent document whose publication number is CN101210794 discloses a vernier caliper, which includes a main ruler with a first outer measuring jaw, and a slider with a second outer measuring jaw that cooperates with the first outer measuring jaw. , the vernier caliper also includes an air blowing device, and the air blowing device includes at least one air receiving device and a corresponding air receiving device arranged between the first outer measuring jaw and the second outer measuring jaw. At least one gas passage com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B3/20
CPCG01B3/205
Inventor 翁毅
Owner 翁毅
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