Patent ID: 9604003
Date: 2017-03-28
CPC Classifications: A61M,F04C,Y10T

Claim:
1. Auto-injector for administering a dose of a liquid medicament, comprising: an elongate case arranged to be held by a user, a tubular chassis telescopable in the case and biased against the case so as to protrude from the case, a syringe with a hollow injection needle, a drive spring and a plunger for forwarding load of the drive spring to a stopper of the syringe, a trigger button which is initially abutted against the case thus preventing actuation, wherein the chassis is arranged to translate into the case against the bias, wherein the trigger button is at least initially coupled to the chassis in such a manner that the trigger button emerges from the case when the chassis is being translated towards the case for starting an injection cycle.