Patent ID: 6772915
Filing Date: 2004-08-10
Classification: A61M,B05B

Abstract:
Dispenser for media, comprising a housing (16) and actuating means (20) having an actuating pusher for manually actuating a pump including a pump chamber (40) and a pump piston (41),the pump cylinder containing at least two partial charges of the medium to be dispensed, the charges being dispensed in subsequent actuations of the pump by causing at least two subsequent partial strokes of relative movement of predetermined length between piston (41) and pump chamber to advance the piston in the chamber (40) from a rest position to an advanced position without a return stroke of the piston, the actuating means including an actuating means return stroke mechanism having advancing means for advancing the piston and including idling means for returning the actuation means into the rest position without returning the piston from its advanced position, the actuating means return stroke mechanism including an elastically deformable curved material bridge (21) acting between the actuation pusher and the housing (16) as a return spring for returning the actuation means.