| 摘要 |
<p>1,151,829. Lighting fittings. AMP Inc. 25 March, 1968 [18 April, 1967], No. 14187/68.Heading F4R. [Also in Division G2] Means for distributing light by a light guide or guides comprises an electric bulb 3 mounted in a holder 2 secured to a reflector 4 to which is fastened a housing 5 having means to insert the end of one or more light guides 6, the bulb 3 being axially adjustable relative to the reflector. The adjustment means consists of cam surfaces 22 on the holder 2 cooperating with cams on a ring 50. The housing 5 has a tubular member 34 with channels 35 opposite each of which is a hole 33 into which the end of a respective light guide is inserted, the light guides being secured to the member 34 by a collar 42. The reflector is elliptical and may be coloured or colour filters may be interposed between the light source and the light guides. The bulb holding part and the reflector may be finned for cooling and the housing 5 may consist of a ring 28 for mounting on the reflector, connected by legs 32 to the part securing the light guides, the spaces between the legs providing ventilating openings.</p> |
