Railway highway crossing signal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5664744
SERIAL NO

08500570

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A railway signal having a housing, in which the housing has an annular ledge thereon. The annular ledge has first and second opposed surfaces. One or more portions of the second ledge surface, preferably cast raised bosses, are machined so as to have a selected height. A reflector is mounted upon the first ledge surface. Also attached to the signal housing is a lamp receptacle bracket. The lamp receptacle bracket has a first end that is mounted upon the one or more machined portions of the second ledge surface. The lamp receptacle bracket also has a second end that has a lamp receptacle attached thereto. An insulating plate is disposed between the lamp receptacle flat portion and the lamp receptacle bracket flat surface.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
UNION SWITCH & SIGNAL INCP O BOX 420 PITTSBURGH PA 15230

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chew, James P Westmoreland County, PA 14 70
DeFrancesco, Santo A Allegheny County, PA 3 50
Jones, Richard S Lexington County, SC 12 110

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