Stepchain link for an escalator
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United States of America Patent
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N/A
Issued Date -
Mar 16, 2006
app pub date -
Dec 13, 2002
filing date -
Dec 13, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plurality of stepchain links (30, 130, 230) of a passenger conveyor system (20) connected to form a continuous loop are from die cast or from stamped or laser cut metal. Each stepchain link (30, 130, 230) includes a plurality of teeth (32, 132, 232) made of a single piece of material that engage a drive member (36). In one example, a plate of injection molded plastic teeth (294) are snapped onto the links to reduce corrosion.
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