Method and device for driving double bellows pump

Details Method and device for driving double bellows pump Method and device for driving double bellows pump

1987-04-20

1989-04-04

Schroeder, Werner H.

Fluent material handling, with receiver or receiver coacting mea

With conveying means to supply successive receivers

With lateral motion of registering head and receiver

222381, 417214, B67D 540

Patent

active

048176885

ABSTRACT:
A driving device for a double bellows dispensing unit is disclosed. The device includes a cylinder slidably mounted on a fixed vertical shaft and a plate mounted on the cylinder. The plate is connected with the dispensing unit. A rotary cam and cam follower cooperate to impart oscillating motion to the plate upon upward movement of the cylinder along the shaft. A control valve controls the flow of fluid under pressure to the cylinder for selectively displacing the cylinder in opposite directions. When the cylinder is displaced downwardly by the control valve, the cam and cam follower are disengaged, so that the oscillating motion stops.

REFERENCES:
patent: 1707508 (1929-04-01), Case
patent: 2265613 (1941-12-01), Richards
patent: 2951618 (1960-09-01), Aldecoa
patent: 4402461 (1983-09-01), Mosse et al.
patent: 4448008 (1984-05-01), Pankratz et al.
patent: 4515530 (1985-05-01), Christoleit

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