Patent ID: 8056243

Claim:
A power tool comprising: a tool housing displaceably mounted to a foot plate; a rotatable blade the rotational axis of which is fixed in relation to the housing; and an interlock for controlling movement of the housing with respect to the foot plate, wherein the interlock has a manually operable control button having at least two discrete user selectable positions, the control button mounted to one of the housing or foot plate and the control button cooperates with a channel fixed in relation to the other of the housing or foot plate to enable the control button to select between: a first mode whereby movement of the housing is limited to a first range of motion to enable a plunge cut operation; and a second mode whereby movement of the housing is limited to a second range of motion to enable a blade change operation, the second range of motion being less than the first range of motion; the channel comprising a major leg and a minor leg in communication with the major leg, wherein cooperation between the control button and the major leg selects the first mode and cooperation between the control button and the minor leg selects the second mode.