Strainer and valve release

Details Strainer and valve release Strainer and valve release

2006-01-03

2006-01-03

Freay, Charles G. (Department: 3746)

Pumps

Combined

C417S446000, C137S522000, C137S550000

Reexamination Certificate

active

06981852

ABSTRACT:
A combined strainer and valve release structure formed as a unitary part of polyethylene with the strainer having a perforated wall and the valve release having a pushrod located on one side of the wall and an actuator tab located on the other side of the wall, with the pushrod in proximity to a movable member of an inlet check valve in a rest position and manually movable to an actuated position to dislodge the movable member when the movable member is adhered to a valve seat in the inlet check valve. The strainer moves the pushrod to the rest position when released from manual actuation.

REFERENCES:
patent: 2164911 (1939-07-01), Garverick
patent: 2642261 (1953-06-01), Gates
patent: 5067518 (1991-11-01), Kosmyna
patent: 5526843 (1996-06-01), Wolf et al.

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