Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Reexamination Certificate
2006-01-25
2008-03-04
Wilson, Lee D (Department: 3723)
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
C029S270000, C269S003000
Reexamination Certificate
active
07337515
ABSTRACT:
An device for breaching an outwardly opening door and methods for use thereof. The device combines a serrated blade for penetrating the crevice between a door and a doorjamb and an extendable handle with a ratcheting mechanism allowing the operator to remain out of the line of fire when breaching the door. The device may also be used by a single operator by initially driving the blade between the door and doorjamb via a hammering function involving the retraction of the extendable handle combined with the weighted block and thrusting force applied thereto.
REFERENCES:
patent: 4660806 (1987-04-01), Masters
patent: 4783053 (1988-11-01), Yirmiyahu et al.
patent: 5810333 (1998-09-01), Hickerson et al.
patent: 6711791 (2004-03-01), Hess
patent: 6746183 (2004-06-01), Sullivan
patent: 6916013 (2005-07-01), Cardona
Phillips Darron
Staff Craig
Wright Jeff
Breaching Technologies, Inc.
Gunn & Lee , P.C.
Wilson Lee D
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