Conveyors: fluid current – With means to control conveying fluid or movement of load in... – Control of conveying fluid
Patent
1988-11-16
1990-07-17
Basinger, Sherman D.
Conveyors: fluid current
With means to control conveying fluid or movement of load in...
Control of conveying fluid
406 83, 406110, 406147, 406164, 406176, 406189, 406190, B65E 5120, B65E 5132
Patent
active
049417770
ABSTRACT:
Apparatus for conveying material between two terminals using a reversible blower system that conveys a carrier member through a tube by suction from one terminal to an intermediate location and by pneumatic pressure from the intermediate location to the other terminal, and vice versa. The carrier member is gradually retarded and stopped at each terminal by a yieldable plate inclined into the path of the carrier member with a yieldable latching element urging the plate inwardly and also serving to latch the carrier member in its ultimate terminal position. The tube has separately manipulatable, open-ended, end portions in which the carrier member is retained for manipulation into position for receiving or discharging its contents. Covers on the carrier member are automatically removed and replaced at each terminal by radially movable latching elements on the cover that are manipulated by an axially movable central unlatching element. The carrier member has annular projections for sealing engagement of the tube. Each projection has an outwardly facing groove in which a compressible sealing strip is retained with a foamed elastomeric base strip behind the sealing strip to deflect the sealing strip outwardly into sealing disposition.
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patent: 4620577 (1986-11-01), Nordanswan
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Basinger Sherman D.
Home Courier Corporation
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