Adjustable pump assembly with single motor and multiple pumps

Details Adjustable pump assembly with single motor and multiple pumps Adjustable pump assembly with single motor and multiple pumps

2004-01-29

2008-11-18

Kramer, Devon (Department: 3746)

Pumps

Plural pumps with individual or relative control

Adjustment with respect to common drive

C417S359000, C417S360000

Reexamination Certificate

active

07452193

ABSTRACT:
A pump assembly includes a base plate upon which a drive motor is mounted and pump plate upon which first and second pumps are mounted. The pump plate is adjustably mounted on the base plate so as to be moveable between first and second positions relative to the base plate. In the first position, the first pump is operatively engaged with the motor and the second pump is disengaged from the motor. In the second position, the second pump is operatively engaged with the motor and the first pump is disengaged from the motor. An operator can quickly and easily change from one pump to the other simply by loosening thumbnuts, repositioning the pump plate on the base plate, and tightening the nuts.

REFERENCES:
patent: 3055551 (1962-09-01), Johnson
patent: 3298238 (1967-01-01), Lea
patent: 3816033 (1974-06-01), Fried et al.
patent: 4187057 (1980-02-01), Xanthopoulos
patent: 4265155 (1981-05-01), Lopez et al.
patent: 4522570 (1985-06-01), Schartz
patent: 4653987 (1987-03-01), Tsuji et al.
patent: 5181842 (1993-01-01), Sunderland et al.
patent: 6454543 (2002-09-01), Beck et al.
patent: 0 570 546 (1993-11-01), None

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