B - Operations – Transporting – 27 – F
Patent
B - Operations, Transporting
27
F
1/32
B27F 7/34 (2006.01)
Patent
CA 1153151
FASTENER DRIVING TOOL Abstract Of The Disclosure A fastener driving tool includes a housing defining a handle portion and a head portion with a nose portion extending therebelow. Mounted within the head portion is a cylindrical sleeve within which is recipro- cally mounted a drive piston. A driver for driving fasteners is secured to the drive piston and reciprocates therewith. The tool includes a driver power control for controlling the penetration of the driver and fasteners into a workpiece. The drive power control includes a choke encircling the sleeve to control the flow of air from beneath the piston and under the sleeve during a driving stroke. The choke may be moved to a position spaced from the cylindrical sleeve wherein the flow of fluid below the piston is not inhibited. In addition, the tool includes a safety member with a workpiece engaging portion of at least one wear block secured thereto to engage the workpiece and protect the safety member from undue wear.
378768
Doyle Richard H.
Fiori Lee B.
Duo-Fast Corporation
Smart & Biggar
LandOfFree
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