compass point

A technology of compass tip and drawing compass, applied in the field of drawing compass tip, can solve problems such as unfavorable use and positioning, easy to produce errors, etc., and achieve the effects of beautiful drawing, improved quality and efficiency, and uniform lines.

Active Publication Date: 2020-08-28
冯文达
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The needle tip is sharp and easy to pierce multiple pages of paper. The overall fixed blunt and round needle point directly rubs against the paper, which is not conducive to the use of positioning and is prone to errors.

Method used

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  • compass point

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] refer to figure 1 As shown, the end with the ball on the tip of the compass is equipped with a drawing compass or the end with a cone tip is equipped with a drawing divider.

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PUM

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Abstract

The invention discloses a compass point and relates to the field of stationery. The compass point comprises a ball seat and a conical tip and is characterized in that a movable ball is arranged on the ball seat of the compass point. The effects that the compass point is flexible to use and positions accurately, and paper is intact are ensured.

Description

technical field [0001] The invention relates to a drawing compass point in the field of stationery. Background technique [0002] The tip of the centering pin with a common compass point is sharp or blunt, and CN201165143Y discloses a safety steel needle with an arc-shaped tip. The sharp needle point is easy to pierce multiple pages of paper, and the overall fixed blunt, round needle point directly rubs against the paper, which is not conducive to the use of positioning and is prone to errors. Contents of the invention [0003] The technical problem to be solved by the invention is to ensure the flexible and accurate positioning of the compass point and the integrity of the paper. The ball seat at the top of the compass tip is used to accommodate the ball clearance fit. The ball is convex and can be rotated without falling off. One end of the compass point is equipped with a ball with a diameter of 0.2mm for the centering of the compass. The other end can be optionally eq...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43L9/00B43L9/16
CPCB43L9/005B43L9/16
Inventor 冯文达兰天擎
Owner 冯文达
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