#$%^&*AU2016200505A120160908.pdf#####DISPENSING DEVICE WITH SPRING TONGUES FOR CEMENT CARTRIDGES ABSTRACT Dispensing device (1) for cement cartridges for polymethylmethacrylate bone cements comprising at least one manually actuatable operating element (4), an adapter (44) for a cement cartridge, and a clamping rod (2) that can be propelled in the direction of the adapter (44), whereby at least one propulsion body (24) is arranged to be touching against the clamping rod (2) and is shiftable in the dispensing device (1) in axial direction with respect to the axle of the clamping rod (2), whereby the at least one propulsion body (24) comprises multiple elastic spring tongues (50), whereby the spring tongues (50) each comprise a cutting edge (54), whereby the spring tongues (50) touch against the clamping rod (2) by means of the cutting edge (54), whereby the cutting edges (54) of the spring tongues (50) or the entire spring tongues (50) are harder than the clamping rod (2), and whereby the spring tongues (50) of the propulsion body (24) are inclined appropriately with respect to the clamping rod (2) such that, upon a motion of the propulsion body (24) in the propulsion direction of the clamping rod (2), the cutting edges (54) of the propulsion body (24) engage the clamping rod (2), and such that, upon a motion of the propulsion body (24) opposite to the propulsion direction of the clamping rod (2), the spring tongues (50) of the propulsion body (24) can be elastically deformed appropriately such that the cutting edges (54) slide over the clamping rod (2), whereby a spring element (40) pushes with an elastic force, at least for part of the time, onto the at least one propulsion body (24) opposite to the propulsion direction of the clamping rod (2), whereby a force can be exerted on the at least one propulsion body (24) in the propulsion direction of the clamping rod (2) by means of the operating element (4), whereby the propulsion body (24) and the clamping rod (2) can
