Dispensing – Sectional flow controller or closure – Interconnected for relative motion
Patent
1988-03-16
1989-07-04
Shaver, Kevin P.
Dispensing
Sectional flow controller or closure
Interconnected for relative motion
74471R, 105247, 222506, 222545, 251212, 294 6824, 298 35M, B65D 4700
Patent
active
048442925
ABSTRACT:
A valve actuating device for a hopper is comprised of two spherical shaped shutters or registers which pivot about common suspension axles. Each of the registers is carried by two pairs of arms located on either side of the bottom of the hopper and is capable of pivoting about two axles mounted respectively on brackets fastened to the bottom on either side of the hopper. The supporting arms of one of the registers are connected respectively to the piston rods of two hydraulic jacks mounted pivotally on the brackets; and the first pair of supporting arms experiencing the action of the hydraulic jacks are connected respectively to the second pair of supporting arms by use of a linkage articulated on the bracket.
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patent: 3145057 (1964-08-01), Taggart
patent: 3998426 (1976-12-01), Isbester
Lonardi Emile
Mailliet Pierre
Paul Wurth S.A.
Shaver Kevin P.
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