Jaw crusher for non-rigid object such as asphalt
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United States of America Patent
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Mar 14, 1995
Grant Date -
N/A
app pub date -
Feb 17, 1994
filing date -
Aug 31, 1993
priority date (Note) -
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Abstract
A jaw crusher designed to break a non-rigid object, e.g., asphalt, into pieces of desired size without causing the object to be undesirably mashed by changing the motion of a movable tooth plate relative to a fixed tooth plate. The jaw crusher includes a fixed tooth plate (16), a swing jaw (8), a movable tooth plate (15), and a toggle plate (10). Motion of a lower end portion of the movable tooth plate (15) which is on an approximately circular locus satisfies the conditions that the relative angle between a straight line connecting the lower and upper end points of the approximately circular locus and the fixed tooth plate (16) is not smaller than 20.degree., and that the distance between the lower and upper end points is not shorter than 50 mm.
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