Scott Alan Jolma

US Patent:

20030231881, Dec 18, 2003

Filed:

Jun 13, 2002

Appl. No.:

10/172571

Inventors:

Steven Hering - Corvallis OR, US
Scott Jolma - Corvallis OR, US

International Classification:

G03B017/00

US Classification:

396/427000

Abstract:

A preferred fire-rated dome housing assembly () is mountable in a space () formed between a ceiling () and a false ceiling () and having a height () as little as 8.9 cm. The housing assembly includes a housing () that is mountable through a hole () in the false ceiling, and is protected from heat by a thermal insulation blanket (). Support straps () are attached to a ceiling ring () that surrounds the hole for securing the housing assembly to false ceiling supporting members (). A spacing collar () is fastened to the ceiling ring by threaded spacers () that extend below the false ceiling. The housing protrudes below the false ceiling and includes a mounting flange () that is fastened to the spacing collar. A dome () is secured to the mounting flange. The housing assembly preferably encloses a video camera ().