As for this invention, the automatic injector in order to deliver the liquid medicine in regard to (1), the automatic injector as for (1): As the injection needle of - air (14) and stopper (15) the syringe which it has contained (5), it was laid out the long housing (2), the syringe (5), sleeve possibly is laid out vis-a-vis the housing (2), the housing (2) and - spring means (6), when activating: The - needle (14), from the position where the housing (2) the inside covers, in order to interpose to in the injection region, thing and the - medicine which are pushed in ahead position (M) the syringe (5) advancing in order to offer the safety of thing, and the - needle which operate, the needle (14) over the needle shroud (3), is possible in order to inject dosage, in order spring means (6) and to lock and to release - spring means (6) and to include with the activation means which are laid out, spring means as for (6), on distance side the housing (2) inThe single Drive spring of form of the compressed spring which establishs as a basis, on proximal side the thrust color (7) is supported (6) to be, the thrust color (7), for needle interposition and the injection in order from spring means (6) the load the plunger (11) through, the syringe (5) and/or stopper (13) to transmit, be laid out, the plunger (11), in order joint axial direction it advances side by side to exercise, the thrust color (7) to be engagement possible, the plunger (11), the thrust color (7), the needle (14) over the needle shroudWay (3) it advances, in order the needle shroud (3) to make that furthermore it advances in order to engage, first with the Drive spring (6) possible, the thrust color (7) from it is engagement release possible on the basis of relative revolution.< Choice figure > Figure 2A本発明は、液体薬剤を送達するための自動注射器(1)に関し、自動注射器(1)は:- 中空の注射針(14)およびストッパ(15)を備えたシリンジ(5)を含有するように配置された細長いハウジング(2)であって、シリンジ(5)が、ハウジング(2)に対して摺動可能に配置される、ハウジング(2)と、- ばね手段(6)であって、起動する時:- 針(14)を、ハウジング(2)の内側のカバーされた位置から、注射部位の中へ
