Patent ID: 7743846

Claim:
A spindle for a power tool, the spindle comprising: a first spindle member having at least one first abutment portion adjacent a first end thereof; a second spindle member for supporting a working member of the power tool adjacent a first end thereof for rotation with said second spindle member about an axis, wherein said second spindle member is adapted to extend through an aperture adjacent said first end of said first spindle member and has at least one second abutment portion adjacent a second end thereof for cooperating with at least one said first abutment portion of said first spindle member to prevent removal of said second spindle member from said first end of said first spindle member in a first direction; locking means for preventing removal of said second spindle member from said first end of said first spindle member in a second direction, opposite to said first direction; and biasing means for urging said second spindle member in said second direction relative to said first spindle member, wherein the first spindle member transmits rotational energy from a motor of the power tool to the second spindle member; and wherein said biasing means includes at least one resilient member; and wherein at least one said resilient member comprises an O-ring arranged between said first abutment portion and said second abutment portion.