Pusher for scraper chain conveyors, especially for underground mining
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 22, 2003
Grant Date -
May 2, 2002
app pub date -
Aug 16, 2001
filing date -
Aug 17, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A scraper chain conveyor has pushing members with an upper and lower part shaped to prevent relative lateral movement in the direction of travel. The members are complementary shaped, with recesses and cooperating protrusions on either part, respectively. The parts have grooves to avoid conveyor protrusions that contribute to part wear and cooperating chain beds that retain a chain link when coupled together. Spaces between the coupled parts permit a pretensioning force applied to the coupled parts. The upper part bridges the lower part to improve the stability of the part coupling. The parts include wear indicators and can relieve strain introduced on the chain conveyor from larger drive sprockets.
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