Opening and closing device of uncovered retractable pen and uncovered retractable pen

A technology for opening and closing devices and ink pens, which can be applied to other ink pens, ink pens with ink storage tubes in the pen barrel, ballpoint pens, etc., and can solve the problems of affecting the opening and closing effect of the opening and closing device, time-consuming, and speeding up the process.

Inactive Publication Date: 2010-04-28
上海迈仕制笔有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Yet there are still many problems to be solved in the opening and closing device of the known capless telescopic ink pen
First of all, the assembly process of the opening and closing device of the conventional capless retractable ink pen must use the plastic thin wire 169 to pass through the groove 149 of the hollow base 141, the cover pie

Method used

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  • Opening and closing device of uncovered retractable pen and uncovered retractable pen
  • Opening and closing device of uncovered retractable pen and uncovered retractable pen
  • Opening and closing device of uncovered retractable pen and uncovered retractable pen

Examples

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Embodiment Construction

[0061] The opening and closing device of the capless retractable ink pen of the present invention utilizes a two-stage cap opening design to achieve the purpose of sealing and opening the writing end. The following fit Figure 4 to Figure 6(B) The opening and closing device of the capless retractable ink pen of the present invention will be described in detail.

[0062] Please refer to FIG. 4 , which is a partial sectional view of a retractable ink pen without a cap according to a preferred embodiment of the present invention. The capless retractable ink pen 200 of the present invention at least includes a hollow pen barrel 210 , a hollow outer sheath 220 , a writing member 230 and an opening and closing device 240 . The hollow pen tube 210 has an upper opening (not shown in the figure) and a lower opening 213, wherein a distance L between the hollow pen tube 210 and the lower opening 213 1 Arc-shaped protrusions 215 are arranged parallel to each other. The hollow outer she...

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PUM

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Abstract

This invention relates to an open and close device of an uncovered flexible pen. The device is arranged inside the hollow pen pipe, characterized in that it comprises hollow basement with upper and lower openings, cover plate mount, a sealing parts and elastic member; when the writing end moving downward, the device will decent to an arc projecting place in the pipe, and the cover plate mount willmove upward until outside the upper opening of the hollow basement to open the cover plate, then the writing end will projecting the supporting pipe. The device uses two-section cover opening designtoclose and open the writing end.

Description

technical field [0001] The invention relates to an opening and closing device of a capless telescopic ink pen, in particular to an opening and closing device of a capless telescopic ink pen designed by two-stage cap opening. Background technique [0002] General ink pens can be divided into water-based ink pens or oil-based ink pens according to the different inks used. In order to avoid the ink at the writing end being exposed to the air for a long time to dry up and unable to write, it is generally common practice to use an outer cover type pen cap to seal the writing end of the ink pen to prevent the ink from drying up. However, during the use of the ink pen with the outer cover type pen cap, it is very inconvenient to close or open the writing end with both hands. The ink dries up, causing a lot of inconvenience to the user. In order to further solve the various inconveniences of the ink pens with the above-mentioned outer cover type pen cap, a retractable ink pen with...

Claims

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Application Information

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IPC IPC(8): B43K24/08B43K5/17B43K7/12B43K8/24
Inventor 谢勇杰
Owner 上海迈仕制笔有限公司
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