Patent ID: 9375291
Filing Date: 2016-06-28
CPC Classification: A61C,B05C

Claim Text:
1. A device for dispensing a dental material, comprising at least one compartment for receiving the dental material, at least one piston for extruding the dental material from the compartment and a spindle drive for moving the piston and the compartment relative to one another, the spindle drive comprising a spindle and a link which are adapted for disengageable engagement with one another, wherein the spindle and the link are operable relative to each other between an engaged position in which the link and the spindle are engaged with one another, and a disengaged position in which the spindle and the link are disengaged from one another; wherein the link and the spindle in the engaged position are rotatable relative to each other about a rotation axis; wherein the link comprises a nut; wherein the nut is guided for a parallel motion relative to the spindle in a guiding direction that is non-parallel and non-perpendicular to the rotation axis of the spindle; wherein the nut is threaded; and wherein the guiding direction is generally parallel to a flank angle of a thread of the nut.