Pump shovel bulk unloader

Details Pump shovel bulk unloader Pump shovel bulk unloader

1986-07-16

1987-07-14

Smith, Leonard E.

Pumps

Changeable by assembly or disassembly

417403, 417489, 417552, 92 1341, F04B 704

Patent

active

046799893

ABSTRACT:
An air-operated reciprocating pump is designed for use with a wide variety of materials having widely varying viscosities. The pump has a stroke which is adjustable so that the piston can operate either entirely within the cylinder or can extend out the bottom end of the cylinder at the end of the stroke for materials having an extremely high viscosity. The stroke adjustment is easily accessible in the area between the pump and the air motor.

REFERENCES:
patent: 2294705 (1942-09-01), Wedeberg
patent: 2787225 (1957-04-01), Rotter
patent: 3295453 (1967-01-01), Scott
patent: 4035109 (1977-07-01), Drath et al.
patent: 4047854 (1977-09-01), Penn

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