A light beam source includes a laser diode having a housing. The housing has a base and a cap with an opening for emitting laser light. A lens mount having a generally tubular shape and being formed from a unitary piece of material is provided. The lens mount has a first end and a second end, the second...http://www.google.se/patents/US6179444?utm_source=gb-gplus-sharePatent US6179444 - Laser light source lens mount
