Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means
Reexamination Certificate
2006-10-10
2006-10-10
Salata, Jonathan (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
With monitoring, signalling, and indicating means
C187S281000, C073S158000
Reexamination Certificate
active
07117981
ABSTRACT:
A load bearing assembly in an elevator system includes a plurality of discernable markings on an external surface of the assembly. A monitoring device includes at least one detector that detects locations of the markings along the length of the assembly. Changes in spacing between markings provides an indication of belt loading conditions and provides an ability to determine a condition of the belt relative to whether a replacement of the belt may be necessary. A variety of markings and a variety of detecting arrangements are disclosed.
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Baldwin Neil R.
Favrow Leroy H.
Haas Robert J.
Logan Douglas E.
Stucky Paul A.
Carlson, Caskey & Olds
Otis Elevator Company
Salata Jonathan
LandOfFree
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