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Reciprocating-type pencil sharpener

A pencil sharpener, reciprocating technology, applied in sharpening devices, printing, office supplies, etc., can solve the problems of affecting the smoothness of operation, reducing the speed of planing pencils, and the limited angle of rotation of the wrist

Active Publication Date: 2015-01-21
SDI CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned pencil sharpener has the following disadvantages in actual use: because the pen holder can only be planed by the blade when it can only be rotated in one direction, and the angle at which the wrist can rotate is limited, when the hand holds the pen holder and rotates to a certain angle, , you must let go and hold the positioning pen holder again, and repeat the above actions to obtain the required length of the refill. In this way, each re-holding will cause a change in the position of the force, which will affect the smoothness of operation and reduce the The speed of sharpening pencils needs to be improved

Method used

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  • Reciprocating-type pencil sharpener
  • Reciprocating-type pencil sharpener
  • Reciprocating-type pencil sharpener

Examples

Experimental program
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no. 1 example

[0061] Please refer to Figure 5 Shown is the first embodiment of the present invention, wherein:

[0062] The rotating part 215 is a ratchet, and its outer edge is formed with a plurality of elastic pawls 2151 towards the outside. It is directly molded on the top surface of the disc body 211 of the shaft frame 21 as a single component, and the pawl 2151 is separated from the top surface of the disc body 211 by a distance.

[0063] The brake part 33 is an inner ratchet formed at the periphery of the bottom surface of the cover 30 and positioned relative to the pawl 2151 , and the ratchet 2151 of the rotating part 215 can be engaged with the teeth part 331 of the inner ratchet of the brake part 33 .

[0064] When using the first embodiment of the present invention, forward direction (such as Figure 5 (shown by the solid line arrow) rotate the pen holder, and the pen further pushes the tool to generate a forward force, and the pawl 2151 of the rotating part 215 engages with ...

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PUM

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Abstract

The invention relates to a reciprocating-type pencil sharpener, comprising a cover body and a cutter. The cutter is provided with a cutter block and a blade fixed on the cutter block; and a ratchet gear capable of limiting the unidirectional rotating operation of forward stop and backward rotation of the cutter relative to the cover body is arranged between the cutter block and the cover body. Therefore, a pencil can be sharpened when a pencil rod is held with a hand and the pencil rod is rotated in a reciprocating way. The pencil sharpener has the practical effects of convenience in force applying and enhanced pencil sharpening efficiency.

Description

technical field [0001] The invention relates to a pencil sharpener, in particular to a reciprocating pencil sharpener which can make applying force more convenient and effectively increase the speed of pencil planning. Background technique [0002] A pencil is a hand-held tool used for writing or drawing. It uses graphite as the core and is covered with a wooden layer on the outside of the core. Because the pencil has the advantages of simple structure, durability, and easy wiping of handwriting, it is Even though the market is full of various types of pens (such as mechanical pencils, ballpoint pens, fountain pens, etc.), pencils are still loved by many people. [0003] Before the pencil is used or after using for a period of time, the wooden layer must be planed to expose the pen core to the outside. There is a pencil sharpener in the prior art. There is a knife seat connected to each other. A socket is provided through the knife seat. The opening of the socket is located...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B43L23/02
Inventor 陈思宇
Owner SDI CORPORATION