Patent ID: 7098668

Claim:
A digital measuring head comprising: a base; at least one support point member arranged on the base; at least one arm rotatably supported around the support point arranged on a base; at least one finger mounted to an end portion of the at least one arm, and having a contact element mounted to an end portion thereof; and at least one scale and at least one read head, one of the at least one scale and the at least one read head being arranged at a rear end portion of the at least one arm and one of the at least one scale and the at least one read head being arranged on the base; wherein displacement of the at least one contact element is measurable by the at least one scale and the at least one read head, the at least one scale having an arc shape with a pattern pitch that differs according to positions on the at least one scale, the positions being provided along the arc shape pattern of the at least one scale.