1results about How to "Improve writing experience" patented technology

This utility model proposes a pen, including a writing sleeve and a pen refill. The writing sleeve consists of an upper sleeve and a lower sleeve that can move relative to each other axially. The pen refill is disposed inside the writing sleeve. The upper sleeve and / or the lower sleeve have at least one channel on their outer wall, inner wall, and / or in the middle, and the channel is filled with a filling material. Through the above structural design, while satisfying the basic function of writing, different filling materials and different types of channels can be selected to achieve different usage effects, affecting the user's visual and olfactory senses and user experience.