The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7743687 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 29, 2010

Filed:

Jun. 16, 2008
Applicants:

Li-chin LU, Taipei Hsien, TW;

Jian-hua Xiang, Shenzhen, CN;

Guan-wu Xu, Shenzhen, CN;

Inventors:

Li-Chin Lu, Taipei Hsien, TW;

Jian-Hua Xiang, Shenzhen, CN;

Guan-Wu Xu, Shenzhen, CN;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A screwdriver helper includes a handle, a guide, and a bit. The handle defines a through hole therein. The guide is affixed to the handle. The guide comprises a top surface, a bottom surface, and a through guide hole defined between the top surface and the bottom surface. The top surface is faced to the handle. The guide hole is corresponding to the through hole of the handle. An axis of the guide hole is perpendicular to the bottom surface. The bit is positioned in the guide hole. The bit comprises a tip and a head. The tip is in a shape of a screw head. The head defines slots in a top end thereof. The bit is movable along the axis of the through guide hole. The screwdriver helper helps screwdriver to lock screws firmly.


Find Patent Forward Citations

Lu, Li-Chin. (2010). Screwdriver helper (U.S. Patent No. 7743687). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7743687

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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