Pipe wrench

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9884409
SERIAL NO

14996252

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Importance

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Abstract

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A pipe wrench includes a fixed jaw with alternatively located first recesses and first driving faces defined in the inner side thereof. A pivotal member is pivotably connected to the fixed jaw and a resilient member is biased between the fixed jaw and the pivotal member. The pivotal member has alternatively located third recesses and second driving faces. A hexagonal space is defined between the first and second driving faces. The end portion of the pivotal member is inserted into a second recess defined in the inner side of the fixed jaw. The object is clamped in the hexagonal space, and the pivotal member can be pivoted away from the fixed jaw. The pipe wrench is able to quickly clamp and dismounted from the object.

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Patent Owner(s)

Patent OwnerAddress
YANG CHUN-WEIROOM 402 1ST BUIDING TAIPING WEST RD LONG YOU TOWNSHIP LONG YOU COUNTY ZHE JIANG
ZHE JIANG YIYANG TOOL MANUFACTURE CO LTDNO 68 LONG YOU XIAO NAN HAI GUANG MING RD ZHE JIANG
ZHANG ZHE-PINGROOM 402 1ST BUIDING TAIPING WEST RD LONG YOU TOWNSHIP LONG YOU COUNTY ZHE JIANG

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Qian, Qing-Jun Taichung, TW 1 5
Yang, Chun-Wei Taichung, TW 38 132
Zhang, Zhe-Ping Taichung, TW 13 22

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