Patent ID: 8505866

Claim:
A sensor assembly that is fixed to a fixing subject member comprising: a bracket that is fixed to the fixing subject member, wherein the bracket comprises at least one side face having a hole; a spacer that is attached to the bracket and contacts the fixing subject member; and a rotation sensor that is held by the bracket and sandwiched between the spacer and the bracket, wherein the spacer comprises: a projecting portion disposed on a first surface of the spacer that engages with the hole in the side face of the bracket such that there is a first clearance between the projecting portion of the spacer and the hole, and a fitting portion disposed on a second surface of the spacer that projects into a fitting subject portion in the fixing subject member such that there is a second clearance between the fitting portion of the spacer and the fitting subject portion in the fixing subject member, and wherein the second clearance is smaller than the first clearance.