Hammer-drive powder-actuated tool
OwnerChung-Yi Leeinventor
Life of this patent
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Abstract
A hammer-drive powder-actuated tool includes a hollow tool body extending along a front-to-rear direction, and a firing device disposed within a rear end portion of the tool body. The firing device includes a pin holder having a through hole extending along the front-to-rear direction, and a firing pin movable forwardly and rearwardly relative to the pin holder. The pin has a firing end portion that is disposed at a front end thereof and that extends into the through hole in the pin holder, and a central axis aligned with that of a rimfire cartridge along the front-to-rear direction. A front end of the firing end portion of the firing pin has a diameter larger than the inner diameter of the annular primer and smaller than the outer diameter of the annular primer.
Claims12
A hammer-drive powder-actuated tool adapted for activating ignition of a rimfire cartridge, the rimfire cartridge having a rear end and an annular primer disposed at the rear end of the rimfire cartridge, said tool comprising:
- a hollow tool body extending along a front-to-rear direction;
- and
- a firing device disposed within a rear end portion of said tool body and including:
- a pin holder having a through hole extending along the front-to-rear direction, and
- a firing pin movable forwardly and rearwardly relative to said pin holder and having a firing end portion that is disposed at a front end thereof and that extends into said through hole in said pin holder, and a central axis adapted to be aligned with that of said rimfire cartridge along the front-to-rear direction, a front end of said firing end portion of said firing pin having a diameter adapted to be larger than an inner diameter of the annular primer and smaller than an outer diameter of the annular primer.
Dependencies are inferred from the claim text.