(12) United States Patent ao) Patent No.: us 6,530,676 Bi
Krogman (45) Date of Patent: Mar. 11,2003
4,290,098 A 9/1981 Pierson
4,344,118 A 8/1982 Rundquist et al.
4,388,677 A 6/1983 Draffel
4,399,497 A 8/1983 Draffel
4,405,974 A 9/1983 Quiogue
4,432,045 A 2/1984 Merritt
4,453,203 A 6/1984 Pate
4,471,416 A 9/1984 Draffel
4,473,873 A 9/1984 Quiogue
(List continued on next page.)
Bronzelite-Genlyte, Tree Lighting, Bronzelite-Genlyte Sales Brochure, 3 pgs.
Hadco-Genlyte, H.I.D. Bullytes, Hadco-Genlyte Sales Brochure, 4 pgs.
Hubbell, LightscapingAccessory Guide, Hubbell Sales Brochure, 3 pgs.
Primary Examiner—-Thomas M. Sember
(74) Attorney, Agent, or Firm—-Wood, Herron & Evans
A light fixture for outdoor use comprises a housing defining an interior space therein and having an open end. The housing interior space is configured for containing a lamp bulb to shine a beam out ol the open end ol the housing, and the open end includes a sealing lace. A radial groove is formed in the housing proximate the housing open end, and includes a cam surface configured to slope in an axial direction along the housing. A retention ring is configured for surrounding the housing open end and is axially movable along the housing. The retention ring includes a retention surface configured to oppose the sealing lace. A lens is configured to fit over the open end ol the housing to close the housing and has an outer edge positionable between the sealing lace and the retention surface ol the retention ring for securing the lens to the housing. A cam following structure is coupled to the retention ring, and is operable for engaging the radial groove cam surface and axially moving the retention surface against the housing sealing lace to capture the lens outer edge and seal the housing.
2 Claims, 2 Drawing Sheets