Elongated-member-driving apparatus – Explosive-type driving means – With plunger
Reexamination Certificate
2008-07-01
2008-07-01
Durand, Paul R. (Department: 3721)
Elongated-member-driving apparatus
Explosive-type driving means
With plunger
C227S130000, C227S156000, C222S402100
Reexamination Certificate
active
07392922
ABSTRACT:
A fuel cell for use with a combustion tool for delivery of a predetermined amount of fuel with each stem actuation is provided and includes a housing defining an open end enclosed by a closure. A main valve stem has an outlet, disposed in operational relationship to the open end and reciprocating relative to the housing at least between a closed position wherein the stem is relatively extended, and an open position wherein the stem is relatively retracted. A fuel metering valve is located within the housing, associated with the main valve stem, including a fuel metering chamber disposed in close proximity to the closure and configured so that when the stem is in the open position, only a measured amount of fuel is dispensed through the outlet. In a preferred embodiment, the fuel cell housing includes a separate fuel container, and the fuel metering valve includes a valve body having a second end opposite the fuel metering chamber located within the container.
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Dalsant Giuseppe
Geier Adalberto
Vanstaan Valery H.
Wagdy Mohamed K.
Croll Mark W.
Durand Paul R.
Greer Burns & Crain Ltd.
Illinois Tool Works Inc.
Soltis Lisa M.
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