Combustion-powered tool assembly

Details Combustion-powered tool assembly Combustion-powered tool assembly

B - Operations, Transporting

25

C

B25C 1/08 (2006.01) B25C 1/00 (2006.01) B25C 1/18 (2006.01)

Patent

CA 2088837

In a combustion-powered, fastener-driving tool, a cylinder body mounted fixedly within a housing structure has a combustion chamber defining an axis. A valve sleeve functions to open and close the combustion chamber. A piston operative within the combustion chamber and a driving blade moveable with the piston function to drive a fastener into a workpiece. An improved linkage for moving the valve sleeve includes a workpiece-contacting element and a pair of arms attached to such element and disposed alongside the cylinder body and the nosepiece. An improved, one-piece, interlocking member prevents a trigger from being actuated unless the combustion chamber is closed. Thus, a simple, compact, lightweight tool is provided.

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