Patent ID: 6533145
Filing Date: 2003-03-18
Classification: A47K

Abstract:
A self contained viscous liquid dispenser, comprising:a housing; an internal liquid reservoir defined by said housing; a manually operated dispensing pump mechanism disposed in liquid communication with said reservoir and having a delivery end disposed for delivering metered doses of viscous liquid from said reservoir upon actuation thereof by a user; a mounting mechanism formed integrally in said housing, said mounting mechanism detachably connectable with complimentary mounting structure on a wall surface such that upon mounting said housing, a back side of said housing is generally flush with the wall surface; and a vent mechanism disposed in an upper wall of said housing, said vent mechanism further comprising a vent passage and a movable plug member resiliently disposed in said vent passage, said plug member sealing an orifice into said vent passage in an at-rest position and movable to unseal said orifice and vent said reservoir upon a sufficient vacuum being established in said reservoir upon actuation of said pump mechanism.