Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers – By operation of means causing or controlling dispensing
Patent
1978-12-04
1980-02-12
Schmidt, Frederick R.
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
By operation of means causing or controlling dispensing
141 94, 222309, B65B 332
Patent
active
041878906
ABSTRACT:
An apparatus for filling relatively smaller containers with measured amounts of liquid from a bulk container. A motor drive means (24) is mounted to a support frame for periodically operating a pumping syringe (30). A dual check valve (32) is connected to permit fluid flow from a bulk source (34) into the pumping syringe (30) and from the pumping syringe (30) to a relatively smaller receiving container (36). A clamping means (38) is mounted to the support frame for releasably retaining the outer cylinder member (52) of the pumping syringe (30) in a vertical orientation with its Lure connector uppermost. A gripper means (58) is slideably mounted to the support frame below the clamping means (38) for linear reciprocation parallel to the axis of the pumping syringe (30) and is releasably attached to the piston member of the pumping syringe (30). A cam follower (74) is attached to the gripper means and a biasing means, such as the tension spring (80), is attached to the support frame and the gripper means for urging the piston member downwardly. A rotatably driven cam (84) cyclically and alternately raises the piston member against the urging of the spring (80) and permits it to be lowered by the spring (80). An adjustable stop means (76) is engagable by the gripper means (58) at a selected level below the top dead center of the stroke of the piston member for controlling the volume pumped by the pumping syringe (30) during each cycle of the rotatable cam (84).
REFERENCES:
patent: 2896621 (1959-01-01), Rodrigues
patent: 3279653 (1966-10-01), Pfleger
patent: 3935883 (1976-02-01), Stach et al.
Sherrin Thomas P.
Stach Paul E.
Foster Frank H.
Mono-Med, Inc.
Schmidt Frederick R.
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