Material or article handling – Self-loading or unloading vehicles – Separable load rack
Patent
1986-10-29
1989-03-07
Spar, Robert J.
Material or article handling
Self-loading or unloading vehicles
Separable load rack
222135, 222200, 414325, 414326, 414332, 414919, B60P 164
Patent
active
048101591
ABSTRACT:
An apparatus for use in the transportation and production of cementitious mixes including a silo and a truck for transporting the silo. The silo is sub-divided internally into two compartments, one for cement and one for sand. At the lower end of the said compartment there is a vibratory grid and other structure for causing the sand to flow evenly from the open lower end of the silo into a mixer without bridging. A feed screw feeds cement from the cement compartment to the mixer. The truck has a lifting mechanism for lifting the vertical silo and tilting the silo through ninety degrees to a horizontal position for transportation purposes.
REFERENCES:
patent: 2606676 (1952-08-01), Dempster
patent: 2704221 (1955-03-01), Gwinn, Jr.
patent: 3497109 (1970-02-01), Leach
patent: 3610485 (1971-10-01), Van Raden
patent: 3766664 (1973-10-01), Burgin
patent: 3915343 (1975-10-01), Barcock
patent: 3924783 (1975-12-01), Ward
patent: 4346802 (1982-08-01), Popper
Brunton James E.
Millman Stuart J.
Spar Robert J.
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