Self-adjusting slide block for telescopic crane jibs
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United States of America Patent
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Issued Date -
Oct 12, 2006
app pub date -
Feb 9, 2006
filing date -
Feb 10, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A slide block for a telescopic crane jib includes at least two mutually co-operating and relatively movable slide block parts, at least one of the parts comprising an oblique surface. The parts of the block are pre-tensioned or biased to move in a direction so that the total width of the slide block will vary and enlarge to fill a gap between inner and outer telescopic jib sections. In a telescopic crane jib-slide block arrangement incorporating such a slide block, the slide block is disposed on an inner telescopic jib section and presents a sliding surface to an adjacent outer telescopic part.
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