| 摘要 |
1,124,788. Lamp-holders. WALSALL CONDUITS Ltd. 4 Jan., 1966 [24 Dec., 1964], No. 52403/64. Heading H2E. [Also in Division F4] A lamp assembly 10, Fig. 2, which houses a fluorescent tube 16 is supported on a ceiling C, Fig. 5, by means of a hook-and-eye connection 25, 60 and a carrier 41, the assembly and the carrier being provided with complementary parts 35, 45 of a plug - and - socket connector through which power is supplied to the tube and the hook-and-eye connection being unreleasable whilst the plug and socket are in engagement. The assembly is secured to the carrier by a screw 39 which is held captive in a lug 38 and engages a threaded opening 50 in the carrier, and the lug also carries a pin 40 which enters a passage 56 and displaces a spring-loaded plunger 57 carrying a locking lever 59. This lever co-operates with a switch 51 controlled by a handle 53 and prevents the switch from being closed unless the lamp assembly is in position. When the handle is moved to the prevents removal of the assembly. closed" position it overlies the lug 38 and |
