Invention Application
US20030159551A1 Fastener having recess useable with multiple drivers and method of manufacture
有权
紧固件具有可用于多个驱动器和制造方法的凹部
- Patent Title: Fastener having recess useable with multiple drivers and method of manufacture
- Patent Title (中): 紧固件具有可用于多个驱动器和制造方法的凹部
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Application No.: US10153547Application Date: 2002-05-21
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Publication No.: US20030159551A1Publication Date: 2003-08-28
- Inventor: Barry J. Hughes
- Main IPC: B25B023/00
- IPC: B25B023/00
Abstract:
A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPSnull style drivers, asymmetrical style cross head drivers, such as POZIDRIVnull style drivers, and combination square and cross drivers without compromising performance of the drivers.
Public/Granted literature
- US06890139B2 Fastener having recess useable with multiple drivers and method of manufacture Public/Granted day:2005-05-10
Information query
