Solid material comminution or disintegration – Apparatus – Combined or convertible
Patent
1994-06-02
1996-02-13
Eley, Timothy V.
Solid material comminution or disintegration
Apparatus
Combined or convertible
180327, 180 8913, B02C 904
Patent
active
054906350
ABSTRACT:
A portable mineral processing machine has a chassis, a mineral processing device mounted on the chassis, and a control cab support mechanism operative to vertically raise the control cab from a lowered in pit transport position in which it is supported on the chassis to a raised operative position in which it is supported on the ground and elevated to a designated height above the chassis. The control cab support mechanism preferably comprises a scissor lift mechanism including upper and lower scissor mechanisms which are independently operated by respective upper and lower double-acting hydraulic cylinders or the like. The upper scissor mechanism is operative to raise an upper platform with respect to an intermediate support platform, and the lower scissor mechanism is operative to first lower a lower platform with respect to the intermediate support platform, and then to raise the intermediate support platform, upper scissor mechanism, and upper platform with respect to the lower platform.
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Astec Industries Inc.
Eley Timothy V.
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