Patent ID: 6035455
Filing Date: 2000-03-14
Classification: E03C

Abstract:
A portable power plunger comprising:a cylindrical housing having a piston slidably located therein and mounted to an elongated solid stem extending outward through an upper cap of said housing,air release valve means formed in said upper cap and adapted to release air from said housing when said piston is operated in an up and down reciprocating fashion,an outlet formed at a lower end of said housing,attachment means adapted to be removably mounted to said outlet and operative to engage with a waste water opening of a clogged drain,a back flow preventor assembly mounted in said housing and located below said piston and adapted to prevent foul water from said drain to enter into said housing,said back flow preventor assembly including a cylindrical main body fixedly mounted in said housing, said main body having a bottom opening with a bevelled bottom edge, and a stop plug member located below said main body, said stop plug member having a conical top portion with a sloping top surface, and said sloping top surface and said bevelled bottom edge having an equal sloping gradient and adapted to engage one another in an intimate contact.