Fluent material handling – with receiver or receiver coacting mea – Combined
Patent
1981-12-22
1984-06-26
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Combined
141231, 141346, 239148, B65B 304, B05B 900
Patent
active
044560397
ABSTRACT:
A tank for transporting and/or spreading fluids has a conduit at its rear and an air/vacuum source for moving fluids into and out of the hopper. The conduit terminates in a rear opening which may be an outlet or inlet and has a gate valve located between the outlet and tank. A coupling linkage system mounted on the conduit near the valve is capable of articulation to position either a fluid supply connection or a fluid distributor connection on the conduit opening. The linkage system causes the valve to be sequentially opened and shut responsive to the connection of the fluid supply and the fluid distributor. In one variation, the coupling linkage is pivoted to fasten either a supply pipe or the distributor to the conduit opening by a hydraulic ram. Thereafter, pressure is increased further to articulate the linkage and open the valve. The hydraulic system may also include another piston and cylinder to operate the valve. Also, the two piston and cylinder units in hydraulic communication via ducts and one-way valves may actuate the first piston and cylinder to a limit to pivot the linkage and connect or disconnect the supply pipe connector or distributor to or from the conduit opening, before the second piston and cylinder is actuated by a resulting decrease or increase in hydraulic fluid pressure to open or close the valve. Visual indicators assist an operator to maneuver the tanks to its supply connection and thereafter indicate the opened or closed condition of the valve and whether there is a supply connection or distributor connection at the conduit opening. Also, wheel guides position the tank and ground supports and secure the supply pipe in position.
REFERENCES:
patent: 3136485 (1964-06-01), Bellows et al.
patent: 3534888 (1970-10-01), MacKinnon
patent: 3858761 (1975-01-01), O'Dell
patent: 4244522 (1981-01-01), Hartig
Bom Cornelis J. G.
van der Lely Ary
Albright Penrose Lucas
Bell, Jr. Houston S.
C. van der Lely N.V.
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