发明名称 Screw guides and cartridges
摘要 A screw alignment device for assisting engagement of a screw driving tool during a fastening operation with a screw of the type having a shank disposed between a head end and a front end, the screw tool being of the type having a shaft with a gripping formation at one end thereof for engagement with the screw head. The screw alignment device includes a screw guide having a body of generally annular configuration formed from a resilient material and having an internal capacity of generally frusto-conical configuration. There is also a tool guide spaced rearwardly from the screw guide and aligned with the cone axis. The device further includes a connector which connects the screw guide to the tool guide.
申请公布号 US7104167(B2) 申请公布日期 2006.09.12
申请号 US20030333386 申请日期 2003.06.20
申请人 BABIJ JR ALEX 发明人 BABIJ, JR. ALEX
分类号 B25B23/04;B25B23/06;B25B23/08;B25B23/10;B25C3/00;F16B27/00 主分类号 B25B23/04
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