发明名称 Drilling template
摘要 An apparatus is used to drill holes in the top area of the door on the hinge side of the door to install a door closer. The apparatus includes a template body that is installed over the top of the door with drill bushing to drill in door to install a door closer and a swivel compression clamp to hold the template in position while drilling the door.
申请公布号 US2007009335(A1) 申请公布日期 2007.01.11
申请号 US20050178253 申请日期 2005.07.09
申请人 发明人 BREWINGTON OPHELIA R.
分类号 B23B47/28 主分类号 B23B47/28
代理机构 代理人
主权项
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