Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Head having central recess
Reexamination Certificate
2005-02-15
2005-02-15
Swann, J J (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Head having central recess
C411S480000, C411S498000, C411S469000, C144S195700, C029S275000
Reexamination Certificate
active
06854945
ABSTRACT:
In combination, an elongated tool having a striking end and a tapered insertion end and a drift pin cap. The drift pin cap includes a cap body having an upper end, a lower end and at least one side wall extending between and connecting the upper end and the lower end. A drift pin receiving cavity is formed in the lower end of the cap body which extends upwards towards the upper end within the cap body, the pin receiving cavity having a diameter smaller than a diameter of the cap body. The pin receiving cavity is operative to fit over and be retained on the striking end of the tool such that when the tool is impacted by a driving device, the drift pin cap is interposed between the tool and the driving device to prevent damage to the tool yet still permit driving of the tool.
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“UHMW Polyethylene”, from www.wps.on.ca/technical/html/Industrial/uhmw-polyethylene.htm, undated.3 pages.*
Quadrant Engineering Plastics Brochure, downloaded from www.quadrantplatics.com/download/GPPP.uk.pdf, see p. “9” of 14 pages printed of 17 page brochure, Jan. 1, 2002 or earlier.
Humphrey John
Wieser Dean
Jacobs Adam H.
Mitchell Katherine
Swann J J
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