Mining machinery haulage system
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United States of America Patent
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-
Mar 21, 1989
Grant Date -
N/A
app pub date -
Dec 3, 1987
filing date -
Dec 5, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rack (2) for use with a mining machinery haulage system (1), comprising a plurality of individual segments (16) so located with respect to one another as to define the length of the rack (2), and each segment being provided with at least one formation (17) and each connected to an adjacent segment (16) by a connector (18) articulated to both segments (16) to which it is common, and with the pitch of the segments (16) and hence the pitch of their formations (17), controlled either by adjacent segment-to-segment abutment, or by segment-to-connector-to-segment abutment. The invention also includes a mining machinery haulage system (1) provided with racks (2).
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