Novel mechanical pencil
A kind of automatic pencil, a new type of technology, applied in the direction of mechanical pencil, printing, writing utensils, etc., can solve the problems of time-consuming, laborious, complex structure, easy to damage, etc.
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[0019] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes and in conjunction with the corresponding drawings.
[0020] Refer to attached figure 1 and attached image 3 An embodiment of the new mechanical pencil in this embodiment includes a pen holder 1 and a refill 4 in the pen holder 1. The pen holder 1 is composed of two strip blocks with grooves, and the strip blocks are not completely Combined so as to form two grooves 7 along the longitudinal direction of the penholder on the penholder 1 and communicate with the pen core 4, the pen core 4 is located in the groove and contacts the inner cavity wall of the penholder 1, and the pen core 4 The maximum width of the part 9 communicating with each of the slots 7 along the transverse direction of the slot is smaller than the width of the widest part of the cross-section of the pen core 4, and the penholder 1 is provided with a ratchet...
PUM
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Abstract
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![application no application](https://static-eureka-patsnap-com.libproxy1.nus.edu.sg/ssr/23.2.0/_nuxt/application.06fe782c.png)
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