Projector lamp reflector
Front loading projection unit
Front loading projection unit with wireform retention member
Lamp unit having glass reflector member with recessed base end Patent #: 4499526
ApplicationNo. 06/888632 filed on 07/23/1986
US Classes:362/659, Parallel contacts313/113, Reflector313/579, Tungsten-halogen cycle lamp362/296Including reflector
ExaminersPrimary: Myhre, Charles J.
Assistant: Okonsky, David A.
Attorney, Agent or Firm
International ClassF21V 19/00 (20060101)
AbstractA molded glass reflector member for a lamp unit employing a tungsten halogen lamp as the light source is disclosed wherein the engagement means for mounting said lamp unit replaceably in a socket member includes a particular configuration of the hollow cavity portion of the said reflector member to enable improved lamp focus and physical retention of said lamp unit in its socket. Specifically, said hollow cavity end protruding from the rear side of said reflector member includes both a recessed engagement surface for mounting said lamp in the socket member so as to position the illumination emerging from said reflector member more accurately along with additional molded depressions located on opposing exterior surfaces of said elongated cavity which cooperates with said recessed engagement surface to still more accurately position the lamp in said socket member. In a preferred embodiment, the recessed opening is formed by spaced apart shoulders extending from the inner walls of the protruding hollow cavity while said elongated cavity further includes flat tapered exterior surfaces having shallow depressions therein which engage protuberances located in the socket member.