Metal working – Method of mechanical manufacture – Assembling or joining
Reexamination Certificate
2006-06-27
2006-06-27
Nguyen, George (Department: 3726)
Metal working
Method of mechanical manufacture
Assembling or joining
C029S522100, C029S456000, C029S256000, C029S270000, C411S075000, C411S076000, C411S044000, C411S045000, C411S055000
Reexamination Certificate
active
07065855
ABSTRACT:
The invention provides an installation tool for use with a battery operated drill or a corded electric drill for repetitive installation of caulk-in anchors. The installation tool utilizes the mechanical advantage of a threaded shaft to improve consistency of the holding reliability of the caulk-in anchor and controls the anchor setting process to insure proper installation while reducing installation time. The installation tool does not rely on bottom setting or a hammer strike to set the anchor, but can be set at a depth independent of hole depth. In one embodiment, the tool can be used with a through hole in the substrate and uses a combination of a threaded shaft and a controlled sensing spring to insure a more uniform installation of the anchor within the substrate across the entire length of the sleeve portion of the anchor, along with a visual check of proper setting of the anchor.
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Koehler Christopher M.
Nguyen George
Textron Inc.
Trexler, Bushnell Giangiorgi, Blackstone & Marr, Ltd.
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