Patent ID: 8915499

Claim:
An accessory for coupling to an attachment mechanism of an oscillating power tool, the accessory comprising: a working end portion; and an opposite rear end portion configured to be coupled to a plurality of different configurations of attachment mechanisms for oscillating power tools, the rear end portion including: a generally U-shaped opening open to the rear end portion, the U-shaped opening having a central portion configured to receive a central post of a tool clamping mechanism, and a rearward portion in communication with the central portion and open to the rear end portion of the accessory; a first plurality of openings in communication with and extending radially outward from the central opening, the first plurality of openings including a first radial arm slot extending from the central portion at approximately 90 degrees to the U-shaped opening, a second radial arm slot extending from the central portion at approximately 180 degrees to the U-shaped opening, and a third radial arm slot extending from the central portion at approximately 270 degrees from the U-shaped opening; a second plurality of openings not in communication with and positioned radially outward from the central opening with each of the second plurality of openings having a substantially rectangular shape defined by a pair of substantially straight elongated sidewalls and a pair of substantially straight end walls; and a pair of chamfers tapering outward from the U-shaped opening to the rear end portion.