Pump

Details Pump Pump

2005-05-23

2010-06-01

Shaver, Kevin P (Department: 3754)

Dispensing

Automatic control

Motor control

C222S333000, C222S504000, C118S669000

Reexamination Certificate

active

07726516

ABSTRACT:
A minute quantity viscous material dispenser employing a pressurized material source and a reciprocating piston is driven by a variable drive which is controlled in response to a signal reflective of piston position and wherein the drive can be controlled for direction, stroke distance, speed, acceleration, and force and wherein the drive is coupled to the piston through a quick disconnect.

REFERENCES:
patent: 4475666 (1984-10-01), Bilbrey et al.
patent: 4869626 (1989-09-01), Kosmowski
patent: 5022556 (1991-06-01), Dency et al.
patent: 5765729 (1998-06-01), Miller et al.
patent: 5782410 (1998-07-01), Weston
patent: 7503467 (2009-03-01), Swift
patent: 3700212 (1988-07-01), None
patent: 4220048 (1993-12-01), None

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