Plastic housing and base construction especially for compact flu

Details Plastic housing and base construction especially for compact flu Plastic housing and base construction especially for compact flu

1998-07-13

1999-12-07

Nguyen, Khiem

Electrical connectors

With vitreous-type envelope

Connector of the type having only concentric annular...

439339, 439662, 31331801, H01R 1700

Patent

active

059973544

ABSTRACT:
Plastic housing and base construction, especially for compact fluorescent lamps and operating units thereof comprising a housing (1) which is a cup-like body and a base (2) having a metal base shell (26) and at least one metal central (3) or end contact part (4, 5). The base shell (26) is electrically insulated from the central (3) or end contact parts (4, 5). The base (2) also includes a plastic insert body (20) which is open at its upper end and closed at least partially at its lower end. The diameters of the plastic insert body (20) decrease in at least one step and it has a cylindrical or slightly conical mantle portion (24) in the region of its upper end. The base shell (26) includes a thread-free opening portion (27) the inner diameter of which fits to the mantle portion (24) of and is pulled over and fixed to the plastic insert body (20). The metal central contact part (3) or each end contact part (4, 5) is fixed to the lower end of the insert body (20) which has a rim (22) at its upper end for connecting to the housing (1). The housing in turn has a connection end (11) for receiving the insert body (20).

REFERENCES:
patent: 2444278 (1948-06-01), Betts
patent: 3775634 (1973-11-01), Hasell et al.
patent: 4029387 (1977-06-01), Eager
patent: 4683402 (1987-07-01), Aubrey
patent: 5568009 (1996-10-01), Gandhi

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