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US 8,770,799 B2Granted
Lamp unit
AssigneeOSRAM GmbH
InventorsJuergen Becker, Kilian Klages, Karsten Pietsch, Matthias Protsch
Life of this patent
Estimating the term…
Abstract
In various embodiments, a lamp unit including a lamp which is inserted into a reflector and which has a base with a reference ring including at least one referencing surface which cooperatively interacts with a corresponding referencing element of a holder of the reflector, configured such that the lamp is separably connected to the holder through a bayonet coupling.
Claims16
A lamp unit comprising:
- a lamp which is inserted into a reflector and which has a base with a reference ring including at least cone referencing surface which cooperatively interacts with a corresponding referencing element of a holder of the reflector, configured such that the lamp is separably connected to the holder through a bayonet coupling,
- wherein the bayonet coupling has circumferentially open-ended cutouts embodied on the reference ring with which radially projecting bayonet cams provided on an inner circumferential surface of the holder are associated, which bayonet cams are in overlapping alignment with the cutouts when the lamp is inserted and engage behind the reference ring during the connecting action.
The lamp unit as claimed 7, wherein in a locking position of the lamp the stop section is engaged from behind by a locking projection embodied on a base surface of the cutout.
Dependencies are inferred from the claim text.