Illumination – Supports – Support having gravity-type light source or light modifier...
Reexamination Certificate
2006-09-25
2009-06-02
Alavi, Ali (Department: 2875)
Illumination
Supports
Support having gravity-type light source or light modifier...
C362S404000, C362S425000, C362S147000, C254S285000, C248S320000
Reexamination Certificate
active
07540637
ABSTRACT:
A mounting and lowering system for supporting one or more luminaires or similar devices having use within an indoor space or similarly configured space such as an open-air pavilion or the like, the system comprising a support assembly capable of being raised and lowered above a location within such a space not conveniently available for use in the servicing of luminaires or devices mounted by the system. The present system includes a latching mechanism permitting remote latching and unlatching of the support assembly. Vertical displacement of the support assembly can be effected without power interruption. Primary drive components are positioned within the system to facilitate service and replacement. The invention further contemplates transition apparatus capable of use in indoor spaces having differing ceiling angles.
REFERENCES:
patent: 576058 (1897-01-01), Philbrick
patent: 586435 (1897-07-01), Haney
patent: 589881 (1897-09-01), Warner
patent: 4057211 (1977-11-01), Moore
patent: 5420772 (1995-05-01), Evans
patent: 5519597 (1996-05-01), Tsai
patent: 6142824 (2000-11-01), Savoca et al.
patent: 6316847 (2001-11-01), Crockett
patent: 2006/0180564 (2006-08-01), Keppel
Alavi Ali
Darnell Kenneth E.
Dzierzynski Evan
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