Patent ID: 7021331
Filing Date: 2006-04-04
Classification: F16K,Y10T

Abstract:
1. A check valve capable of being seated within a conduit, the check valve comprising: a casing having a front end a back end and an interior cavity oriented generally along a longitudinal axis of the check valve, the casing further including: a stopper capable of seating within the seat section; a spring for fitting within the interior cavity and having a first end and a second end, the first end capable of engaging the stopper and biasing the stopper into the seat section; and a restraining mechanism, including, wherein the restraining mechanism may be mounted within the casing by forcing the restraining mechanism into the interior cavity with the locking ears riding down the pair of ramps and seating within the pair of holes, the pair of slots allowing the wings to spread apart to accommodate the width of the restraining mechanism from an end of one locking ear to an end of the other locking ear, the wings springing back substantially to their unbiased position when the pair of locking ears are seated within the pair of holes.