PROPORTIONER FOR NON-FREE-RUNNING MATERIALS Russian patent published in 1996 - IPC

FIELD: proportioning technique. SUBSTANCE: proportioner has housing with loading and unloading ports, blade mounted on shaft and provided with drive made in form of crank mechanism at adjustable radius of crank for adjusting the angle of turn of blade; proportioner is also provided with damper mounted in unloading port; drive of this damper is made in form of cam-and-lever mechanism having adjustable sizes of lever arms which is necessary to adjust angle of turn of damper. Crank of blade drive and cam of damper drive are mounted on one drive shaft. Leading surface of blade has concave bow-shaped profile corresponding to trajectory of motion of damper end when it is engageable with blade. EFFECT: smooth adjustment of portion delivered within wide range. 4 dwg