Patent ID: 8291800

Claim:
A combination power tool comprising: a machine base having: a worktable with a work surface configured for supporting a workpiece for cutting; and a support arm having a first end part connected to said worktable and a second end part remote from said first end part; a portable circular saw having: a motor; a circular saw blade rotated by said motor; and a power supply unit having a power cable, a first power socket and a second power socket, said power cable having a first end configured to be connectable to an external power source and a second end selectively connectable to one of said first power socket and said second power socket, said first power socket being provided at a first side of said portable circular saw and selectively electrically connectable to said motor, said second power socket being provided at a second side of said portable circular saw and selectively electrically connectable to said motor; and a connection device detachably fastening said portable circular saw to the second end part of said support arm.