WRITING TOOL FOR ERASING HANDWRITTEN TEXT Russian patent published in 2025 - IPC B43K29/02 

Abstract RU 2833157 C1

FIELD: writing instruments.

SUBSTANCE: invention relates to a writing instrument with a function for deleting handwritten text. Writing instrument includes: a casing having a hollow tubular shape; an ink-filled tube holding the adhesive ink inside the casing; a ballpoint pen tip to allow the adhesive ink to flow onto the writing paper; and a pressure cap for raising or lowering the ink-filled tube and the tip of the ballpoint pen in the vertical direction. Lower housing of the casing consists of a single tube with the formation of an end erasing housing on the outer surface of the lower housing. End erasing housing is part of lower housing, formed by double injection molding on outer surface of lower housing with formation of single integrated housing with lower housing. Synthetic resin component of end washing body is chemically bonded to synthetic resin component of outer surface of lower body with the formation of a butt-free joint between the end abrasive housing and the lower housing.

EFFECT: providing a writing instrument with a function for removing handwritten content, which can directly erase content written on a writing object in a writing direction, without changing the direction of the writing instrument when the user of the writing instrument intends to erase the written content; as well as to provide a writing instrument with a writing function, which simplifies the combination of the front end erase body and the lower body, does not weaken the overall strength of the above lower housing, and eliminates the joint caused by the combination of the front end erasing housing and the above lower housing.

4 cl, 5 dwg

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RU 2 833 157 C1

Authors

Park Young Saeng

Park Bae Jo

Dates

2025-01-14Published

2023-12-25Filed