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Coupling nut, nut coupling assembly and dispensing head unit having the coupling nut

A technology of coupling nut and coating head, applied in the field of nut coupling assembly and coating head unit with coupling nut, can solve the problems of complicated tightening process and reduced work efficiency, etc.

Inactive Publication Date: 2013-07-24
TOP ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the fastening process is comp

Method used

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  • Coupling nut, nut coupling assembly and dispensing head unit having the coupling nut
  • Coupling nut, nut coupling assembly and dispensing head unit having the coupling nut
  • Coupling nut, nut coupling assembly and dispensing head unit having the coupling nut

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Embodiment Construction

[0032] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0033] image 3 is a perspective view showing a coupling nut and a coating head unit having the coupling nut according to the first embodiment of the present invention. Figure 4 is a diagram showing the coupling between the coupling nut and the coupling bolt of the coating head unit according to the first embodiment of the present invention. Figure 5 is a perspective view of a coupling nut according to a first embodiment of the present invention. Figure 6a and Figure 6b is a sectional view showing the operation of the coupling nut according to the first embodiment of the present invention.

[0034] Assuming that the coating head unit includes a coupling nut, in the following description, the coupling nut will be explained together with the coating head unit.

[0035] see image 3 and Figure 4 , the cylinder assembly 32 is deta...

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Abstract

The invention provides a coupling nut used for fixing a cylinder module to a dispensing head unit and a dispensing head unit possessing the coupling nut. When the coupling nut is screwed to a coupling bolt, if torque applied to the coupling nut is greater than a preset value, a handle of the coupling nut bends so as to prevent too large torque from being applied to a nut. The coupling nut comprises a nut body coupled to a bolt and the handle arranged on the nut body. The handle transmits torque applied thereon to the nut body. When torque applied to the handle is greater than a preset value, the handle bends along a direction in which torque is applied to the handle and prevents the torque from transmitting to the nut body.

Description

technical field [0001] The present invention relates to a coupling nut for fastening a cylinder assembly to a coating head unit, which is an element of an LC coater that coats liquid crystal onto a glass panel during the manufacture of an LCD, and It relates to a nut coupling assembly and a coating head unit with a coupling nut. Background technique [0002] An LCD (Liquid Crystal Display) is an image display device in which digital signals are individually supplied to liquid crystal cells arranged in a matrix shape based on image information and the light transmittance of the liquid crystal cells is controlled, thereby displaying a desired image. [0003] Typically, an LCD includes a lower glass panel provided with a driver such as TFT (Thin Film Transistor), an upper glass panel provided with a color filter, and a glass panel formed by filling the space between the upper glass panel and the lower glass panel with liquid crystal LC (liquid crystal) layer. Therefore, the m...

Claims

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Application Information

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IPC IPC(8): F16B37/00B25B23/155B25B23/153B25B23/15B25B23/16B05C11/00
CPCB05C5/02B25B13/16F16B37/00G02F1/13
Inventor 李僖燮金埈煐
Owner TOP ENG CO LTD