Dispensing – With recorder – register – indicator – signal or exhibitor – Position or extent of motion indicator
Patent
1989-01-24
1991-02-26
Shaver, Kevin P.
Dispensing
With recorder, register, indicator, signal or exhibitor
Position or extent of motion indicator
7386418, 222309, 222383, G01F 1104
Patent
active
049955322
ABSTRACT:
A dispenser for precisely dispensing fluid from a storage vessel into a recipient vessel includes a housing formed with a connector portion having a valve chamber with a suction valve and a discharge valve therein. A cylinder is mounted on the connector portion. The valve chamber contains a suction valve and a discharge valve. The piston is slidably and rotatably guided in the cylinder and carries an operating button at one end thereof remote from the valve chamber. A counter stop is fixed to the housing and an end portion remote from the valve chamber to cooperate with an adjustable stop. A bush having an exterior thread is slidably and rotatably microscopically mounted on the outer surface of the cylinder. The bush carries the adjustable stop in threaded engagement while being coupled to the operating button in a axially fixed and freely rotatable manner. A connecting arrangement rotationally couples the button to the bush upon respective actuation of the connection arrangement so that the rotating button with rotate the bush and thereby axially displace to set the adjustable stop. A measuring system electronically monitors piston movement.
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Shaver Kevin P.
Walter Graf u.Co. GmbH & Co.
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