Cam actuated mineral jig
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United States of America Patent
Stats
-
Jul 18, 1989
Grant Date -
N/A
app pub date -
Nov 30, 1987
filing date -
Nov 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mechanical drive mechanism is designed for imparting pivotal motion to the frame arm or walking beam of a mineral jig. Rotary cam action is employed to mechanically pivot the walking beam or frame arm which supports a cone and flexible diaphragm at one end for imparting jigging action to the jig bed. Adjustment features are preferably provided to enable the amplitude of the reciprocating motion imparted to the diaphragm and cone to be selectively varied. In the preferred embodiment, the cam is constructed to be pivotal when at rest for enabling the amplitude of the camming action, and correspondingly the pivot stroke, to be varied.
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Cited Art Landscape
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