Illumination – Plural light sources – Diverse light generators
Patent
1992-01-08
1993-05-18
Lazarus, Ira S.
Illumination
Plural light sources
Diverse light generators
362457, 313318, H01J 6100
Patent
active
052114724
ABSTRACT:
The electric lamp has a lamp vessel (1), which is secured to a cylindrical collar (20). A mounting member (40) is rotatably coupled to the collar (20), in that an end portion (41) thereof which is provided with a groove (42) projects into the collar (20) and in that the collar has hooks (21) gripping into the groove (42). The groove (42) has widened and deepened portions (42') extending to outside the collar (20), giving a special tool access to the hooks (21) to disengage them from the groove (42).
REFERENCES:
patent: 4645967 (1987-02-01), Bouman et al.
patent: 4795056 (1989-01-01), Meyers
patent: 4991730 (1991-02-01), Pehr
patent: 5006752 (1991-04-01), Egginc et al.
patent: 5130912 (1992-07-01), Friederichs et al.
Friederichs Winand H. A. M.
Van Gennip Nicasius G. T.
Heyman L.
Lazarus Ira S.
Miller Paul R.
U.S. Philips Corporation
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