Patent ID: 7607212

Claim:
A locating unit for a plate type work having a locating bore, and an embossed portion formed about the locating bore, the locating unit comprising: a locating pin configured to be inserted into the locating bore; a work seating surface configured in a periphery of the locating pin, and to be brought into abutment with the embossed portion; and a detector located on the work seating surface configured to detect the embossed portion seated on the work seating surface, for detection of a seating of the plate type work, wherein the detector is a separate element with respect to the locating pin, and wherein the detector comprises a detection pin operative to pass through the work seating surface, for detection of the embossed portion seated on the work seating surface, wherein the detection pin is located a distance from the locating pin that is less than a radius of an outer profile of a cross-section of the locating pin, the cross-section being taken in a plane normal to a direction of projection of the locating pin.