Gas driven actuation feed tube for combustion powered...

Elongated-member-driving apparatus – Explosive-type driving means – With plunger

Reexamination Certificate

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Details

C227S120000, C227S130000, C227S138000

Reexamination Certificate

active

07040521

ABSTRACT:
A combustion tool having a gas actuated magazine advance includes a combustion chamber defined in part by a cylinder, a valve sleeve axially reciprocating relative to the cylinder and an upper surface of a piston, a pneumatically actuated magazine fastener mechanism, and an exhaust driven actuation feed tube having a first end configured for insertion into an opening in the cylinder in fluid communication with the combustion chamber and a second end connected to the magazine fastener advance mechanism.

REFERENCES:
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patent: 5713313 (1998-02-01), Berry
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patent: 5909836 (1999-06-01), Shkolnikov et al.
patent: 6102270 (2000-08-01), Robinson
patent: 6260519 (2001-07-01), Phillips
patent: 6318615 (2001-11-01), Walter
patent: 6755335 (2004-06-01), Fielitz
patent: 2003/0034377 (2003-02-01), Porth et al.

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