Oscillating power tool with adjustable angular amplitude of oscillation

An oscillating power tool comprising:

• a housing;
• a motor disposed generally within the housing, the motor including a drive shaft rotatable about a motor axis;
• an output spindle configured to be driven by the motor and journaled for oscillating rotation about an oscillation axis;
• a drive mechanism configured to convert rotation of the drive shaft into oscillating rotation of the output spindle about the oscillation axis, the drive mechanism including an eccentric member configured to rotate off center about the motor axis, and a forked member operatively coupled to the eccentric member and configured for oscillating rotation about the oscillation axis in response to rotation of the eccentric member, wherein oscillating rotation of the forked member has an angular amplitude about the oscillation axis, wherein the eccentric member is movable in a direction generally parallel to the motor axis to change the angular amplitude of oscillating rotation of the forked member;
• and
• an amplitude adjustment actuator configured to move the eccentric member in the direction generally parallel to the motor axis to change the angular amplitude of oscillating rotation of the forked member, the amplitude adjustment actuator defining a receptacle, wherein at least a portion of the forked member is disposed in the receptacle and wherein the amplitude adjustment actuator comprises a first actuator portion configured to engage the eccentric member on a first side of the first plane and a second actuator portion configured to engage the eccentric member on a second side of the first plane, wherein the first and second actuator portions are formed as separate pieces, and wherein the first portion includes a first actuation surface extending through a first aperture in the housing and the second portion includes a second actuation surface extending through a second aperture in the housing.

An oscillating power tool comprising:

• a housing;
• a motor disposed generally within the housing, the motor including a drive shaft rotatable about a motor axis;
• an output spindle configured to be driven by the motor and journaled for oscillating rotation about an oscillation axis;
• a drive mechanism configured to convert rotation of the drive shaft into oscillating rotation of the output spindle about the oscillation axis, the drive mechanism including an eccentric member configured to rotate off center about the motor axis, and a forked member operatively coupled to the eccentric member and configured for oscillating rotation about the oscillation axis in response to rotation of the eccentric member, wherein oscillating rotation of the forked member has an angular amplitude about the oscillation axis, wherein the eccentric member is movable with respect to the forked member to change the angular amplitude of oscillating rotation of the forked member;
• and
• an amplitude adjustment actuator configured to move the eccentric member to change the angular amplitude of oscillating rotation of the forked member, wherein the amplitude adjustment actuator includes a first actuation surface extending through a first aperture in the housing, and wherein the amplitude adjustment actuator includes a second actuation surface extending through a second aperture in the housing separate from the first aperture.