Piston pump with cam follower arrangement

Details Piston pump with cam follower arrangement Piston pump with cam follower arrangement

2011-05-10

2011-05-10

Kramer, Devon C (Department: 3746)

Pumps

Motor driven

Electric or magnetic motor

C417S521000, C074S567000, C074S569000, C092S129000, C092S150000

Reexamination Certificate

active

07938632

ABSTRACT:
A pump primarily for liquid paint includes first and second pistons reciprocable rectilinearly in respective first and second cylinders. The first and second pistons are moved relative to their respective pistons by operation of an A. C. electric motor the rotary output shaft of which is coupled to the first and second pistons by a constant velocity cam and a cam follower mechanism converting rotary motion of the output shaft into reciprocatory motion of the first and second pistons 180° out of phase with one another.

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