An optical printhead for use in electrophotographic copiers and printers. The printhead is constructed of a linear LED array and a linear fiber optic lens mounted above the LED array. The lens mounting structure provides a floating support for the lens at the two end regions of the lens. The floating...http://www.google.se/patents/US5036339?utm_source=gb-gplus-sharePatent US5036339 - LED array into floating focusing structure for differential expansion