Patent ID: 7971758
Filing Date: 2011-07-05
Classification: B05C

Abstract:
1. A fluid discharger comprising: a housing; a plunger including a rod, said plunger disposed adjacent to a mass of fluid receivable in said housing, said plunger movable in a first direction to act upon and discharge the fluid from the housing; a first plate and a second plate each having an opening, said plunger rod disposed through said openings, said first and second plates having a first position relative to said plunger rod, said first plate having an associated first cam follower and said second plate having an associated second cam follower; a first translationally movable and rotatable cam and a second translationally movable and rotatable cam, translational movement of said first and second cams causing axial movement of said first and second plates, respectively, to move said first and second plates into a second position relative to said plunger rod, wherein; when said first and second plates are in the second position, rotation of said first cam and said second cam causes said first and second plates to push said plunger in the first direction to discharge fluid, and the pushing provided to said plunger by said first plate alternates with the pushing provided to said plunger by said second plate.