Patent ID: 8931716
Filing Date: 2015-01-13
Classification: B05B

Abstract:
1. A spray pump device comprising a spray head and a wire provided to operate the spray head, wherein the wire is made of a memory shape metal alloy and is configured to shrink when a suitable electric current passes through the wire; a lever pivotally mounted about an axis, a first end of the wire is joined to a point of the lever, and a second point of the wire is joined to a fixed point of the device, the lever is adapted to activate the spray head when the wire shrinks; an electronic circuit to supply the electric current through the wire for shrinking the wire, the electronic circuit being fed by a battery; and an end-run-switch connected to the electronic circuit, the end-run-switch being arranged to detect a selected position in which the spray head has been activated, the electronic circuit being adapted to cut the electric current through the wire when the end-run-switch detects that the spray head has been activated.