Patent ID: 9566386
Date: 2017-02-14
CPC Classifications: A61M

Claim:
1. An automatic applicator for liquid pharmaceutical preparations comprising a housing ( 1 ) that comprises an open rear end, the housing ( 1 ) having a plunger ( 12 ), suitable for expelling the medicine, the plunger ( 12 ) comprising closed endings and being linearly displaceable by a driving unit, driven via a double action clutch, by a driving spring ( 15 ), which is a twisted non-compression spring, situated in the housing ( 1 ), the driving spring ( 15 ) being twistable by a rotary hand-dose-setting ring ( 3 ) via the double action clutch, wherein the driving unit is activated by pressing a trigger unit ( 13 ) and a dose is indicated via an inspection window ( 1 . 1 ) by an indicating arrangement, wherein the double action clutch comprises a coupling sleeve ( 6 ) that is connected to the rotary hand-dose setting ring ( 3 ) and coupled with a ratchet barrel ( 5 ), said ratchet barrel ( 5 ) comprises at least one ratchet arm and is connected to the twisted non-compression driving spring ( 15 ), said driving spring ( 15 ) being connected to a spring block ( 4 ), said spring block ( 4 ) being connected to the housing ( 1 ) and secured against rotation; wherein the coupling sleeve ( wherein when the coupling sleeve ( wherein the ratchet barrel (