Expansion joint for a cable tray apparatus for a people mover system
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United States of America Patent
Stats
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Sep 17, 2013
Grant Date -
Mar 22, 2012
app pub date -
Nov 12, 2010
filing date -
Sep 17, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An expansion joint is disclosed for a cable tray apparatus for a people mover system. An expansion joint is inserted or positioned between a pair of generally rectangular electrical cable trays having first and second ends. The cable trays are connected in an end-to-end relationship. The expansion joint has first and second ends and is positioned between the pair of cable trays so that the first end thereof is connected to the second end of the adjacent cable tray and so that the second end thereof is connected to the first end of the adjacent cable tray. The expansion joint includes body portions which are slidably movable towards one another or slidably movable away from one another to compensate for expansion and contraction of the cable tray apparatus.
First Claim
Family
International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- H01R:ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL AS....
- A47H:FURNISHINGS FOR WINDOWS OR DOORS
- A47F:SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SH....
- H02G:INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF CO....
- E04G:SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENT....
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