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Title:
BROKEN-SCREW EXTRACTOR
Document Type and Number:
WIPO Patent Application WO/2019/047313
Kind Code:
A1
Abstract:
Provided is a broken-screw extractor (100), comprising a leveraging rod (10), a movable socket cap (30) and a stabilizer screw (50). The leveraging rod (10) is provided with a rotation-preventing mounting column (11). The end of the movable socket cap (30) near the leveraging rod (10) is provided with a rotation-preventing mounting hole (31). The movable socket cap (30) is mounted on the rotation-preventing mounting column (11) of the leveraging rod (10) by means of the rotation-preventing mounting hole (31). A screw hole (33) is arranged at the end of the movable screw cap (30) away from the leveraging rod (10). A stabilizer-screw hole (35) is in communication with the screw hole (33) and is arranged on the sidewall of the movable socket cap (30), and the stabilizer screw (50) is installed in the stabilizer-screw hole (35). The broken-screw extractor (100) facilitates the removal of broken screws.

Inventors:
GONG, Jingang (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
FAN, Xinguo (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
CAO, Huaisan (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
SUN, Leigang (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
SHEN, Zhichen (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
LI, Hengxuan (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
Application Number:
CN2017/105586
Publication Date:
March 14, 2019
Filing Date:
October 10, 2017
Export Citation:
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Assignee:
HENAN YUZHAN PRECISION TECHNOLOGY CO.,LTD (Floor 2/3, Building B07Comprehensive Bonded Zone, East Zhenxing Road, Airport Distric, Zhenzhou Henan 2, 451162, CN)
International Classes:
B25B27/18
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (9FRongqun building, NO.83 Longguan east Rd.Longhua new Dist.Shenzhen, Guangdong 9, 518109, CN)
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