Tool driving or impacting – Impacting devices – With impact cushioning means
Patent
1993-08-25
1995-05-16
Payer, Hwei Siu
Tool driving or impacting
Impacting devices
With impact cushioning means
B25D 911
Patent
active
054152410
ABSTRACT:
A battering ram device is provided for allowing quick forcible entry through locked closures. The device includes a ram that slides within and partially out of a housing. The ram is connected to a piston which also slides within a cylindrical housing. The housing is connected to a firing mechanism that uses an explosive cartridge for driving the piston forwardly and subsequently forcing the ram partially out of its housing to deliver a blow to a closure. The piston and cylinder further include an energy absorbing mechanism for retarding the motion of the ram once it penetrates through a closure. The ram can be configured as a thin rectangular piece for allowing the ram to fit between a door knob and jamb of most doors. Other ram configurations include a punch for effectively knocking out a door lock of a steel or metal door, and a shearing head for effectively cutting a steel cable, bar, or wire.
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Ruffu Michael S.
Shemeta Paul J.
Payer Hwei Siu
TAC Inc.
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