Patent ID: 9308057
Filing Date: 2016-04-12
CPC Classification: A61C,A61M

Claim Text:
1. A device for ejecting a liquid or pasty product, comprising a body having a recess for receiving a product to be ejected, a threaded rod disposed in a bore of the body, the threaded rod movable in translation to act on the product to be ejected and having a substantially cylindrical shape with a surface in the translation direction truncated in order to prevent rotation of the thread rod by engagement with a corresponding shape of the bore in the body; a bolt, mounted in engagement with the threaded rod to cause the threaded rod to move in translation, a lever, which acts on the bolt by way of a control means for causing the rotation of the bolt when the lever is pressed, and a non-return means connected to the body of the device and in engagement with the bolt, to prevent reverse rotation of the bolt when the lever is released, wherein the non-return device is fixed with respect to the body and comprises an elastic blade that is in flexible engagement with the bolt, the blade deformable from a nominal position to enable rotation of the bolt when the lever is pressed and returnable to the nominal position to prevent rotation of the bolt when the lever is released, wherein an end of the threaded rod is adapted to engage with a pusher piston enabled to act on the liquid or pastry product.