A two-stroke internal combustion engine comprises a cylinder; and a piston movably mounted within the cylinder. The cylinder has formed therein an exhaust port and a first pair of transfer ports disposed closer to the exhaust port than a second pair of tra...

A modular tool assembly (10) including a tool base (12) configured to releasably secure a modular tool arrangement (14) in a fixed relationship relative to a mounting surface (16). The tool base (12) includes an upper housing portion (22) and a lower housi...

A two cycle internal combustion engine cylinder having a piston chamber. The cylinder includes transfer ports; and an exhaust port divided into at least two sections. A first one of the sections has an aperture at the piston chamber with a top surface loca...

The present invention discloses a battery pack (20) having an elastic bumper (58) mounted externally to a plastic housing (44) of the battery pack. The plastic housing includes a floor (46), a circumferential wall (48) expanding upward from an outer periph...

A battery venting system that is useful for cordless power tools. The system can include a cell that may have a sleeve with a plurality of apertures surrounding a peripheral side face of the cell to enhance heat dissipation from the cell. A plurality of ce...

The mechanism has an ejection unit secured to a battery housing (1). The ejection unit operates to transfer a mechanical force applied to a button through an arm to a portion of an electrical device housing (100). The arm applies a mechanical force to the ...

An internal combustion engine having a cylinder with a piston movement area; a piston movably mounted in the cylinder; an ignition system connected to the cylinder; and a fuel delivery system connected to the cylinder. The fuel delivery system has a combin...