Opening/closing device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9810011
SERIAL NO

14648828

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Importance

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Abstract

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Provided is an opening/closing device that includes a structure for inhibiting a brake engage part or a lock engage part from touching an object or the like and that prevent the perimeter of a guide rail from becoming thick due to the structure.

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Patent Owner(s)

Patent OwnerAddress
BUNKA SHUTTER CO LTDBUNKYO-KU TOKYO 113-8535

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuo, Kazunori Saitama, JP 49 248

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