Patent ID: 7958808

Claim:
A scroll saw comprising: a body; a frame mounted to said body and including an upper arm and a lower arm; a worktable mounted to said body and located between said upper and lower arms; a saw blade mounted to said upper and lower arms and passing through said worktable; an actuating device including a shaft and mounted to said body and configured to drive said shaft to rotate; a block eccentrically fastened with said shaft; a driving member including a first end rotatably connected to said block and a second end rotatably connected to said frame, wherein as said shaft is rotated, said upper and lower arms are synchronously driven to vertically move said saw blade; and a vibration-reducing device including a connector and a pivot arm pivotally connected to said body, said connector including a third end rotatably connected to said block, and a fourth end vertically opposed to the third end and rotatably connected to said pivot arm, wherein when said shaft is rotated, a motion of a center of gravity of said pivot arm in the vertical direction is opposite to a motion of a center of gravity of said frame.