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Patent Searching and Data


Title:
FRICTION BODY AND THERMOCHROMIC WRITING INSTRUMENT
Document Type and Number:
Japanese Patent JP2022182698
Kind Code:
A
Abstract:
To provide a friction body and a thermochromic writing instrument that can be used by selecting the friction portion of the friction body and enable stable friction operation.SOLUTION: A friction body 1 includes a hard friction member 2 and a soft friction member 3 made of rubber elastic materials having different hardnesses. The hardness of the hard friction member 2 is set higher than that of the soft friction member 3. The soft friction member 3 is provided on the outer surface of the hard friction member 2. The upper end of the hard friction member 2 is provided above the soft friction member 3. A mounting portion 22 consisting of a recess or a hole is formed on the outer surface below the upper end of the hard friction member 2. The soft friction member 3 is detachably fitted to the mounting portion 22.SELECTED DRAWING: Figure 2

Inventors:
HAMAGUCHI TERUTAKA
Application Number:
JP2021090399A
Publication Date:
December 08, 2022
Filing Date:
May 28, 2021
Export Citation:
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Assignee:
PILOT CORP
International Classes:
B43L19/00; B43K24/10; B43K29/02