Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Multiple prong – e.g. – nailing plate – staple – etc.
Reexamination Certificate
2008-10-09
2011-11-29
Estremsky, Gary (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Multiple prong, e.g., nailing plate, staple, etc.
C052S489200
Reexamination Certificate
active
08066464
ABSTRACT:
The present invention is a hidden fastener for securing deck boards to supporting joists. The fastener consists of a head shaft; one or more blades attached to the head shaft oppositely, if there are two blades, at the top outer surface of the head shaft and being formed to penetrate into deck boards, whether wood or composite, when rotated therein to; a driver attachment being located in the upper portion of the head shaft and shaped to fixedly hold a driver for turning the head shaft and one or more blades; and a fastening device in a lower portion of the head shaft. The fastening device may be an integral part of the head shaft or a screw mounted in lower port of the head shaft. After the location of the fastener is defined on the joist, the fastening device is driven into the joist to hold the head shaft thereto. One or more adjacent boards are butted against the head shaft. A driver is then inserted into or on to the driver attachment and the head shaft is rotated a sufficient amount to cause the one or more blades to be imbedded within the boards. The deck boards also may be removed as desired by reversing this procedure thus allowing for the replacement of damaged boards or for gaining access to the space under the deck without the tedious task of removing and replacing conventional deck screws, for example.
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Collier Stan
Estremsky Gary
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