Patent ID: 8647303

Claim:
An autoinjector, comprising: a body portion ( 12 ) for receiving in use a syringe or cartridge ( 60 ) having a bung slideably mounted therein for expelling a dose; a drive mechanism ( 35 , 22 , 26 , 28 ) including a stored energy device ( 35 ) and adapted to be released from a cocked position to a fired position on actuation of a trigger ( 14 ), said mechanism when released being operable to drive the bung to expel a dose; and a cocking arrangement ( 8 , 30 , 40 ), comprising an elongate flexible element ( 8 ) configured to be pulled to energize said drive mechanism in order to cock said drive mechanism into a mode ready for subsequent release by said trigger wherein said cocking arrangement includes a mechanical advantage configuration ( 38 , 8 ) whereby a stroke of movement of said elongate flexible member ( 8 ) is substantially greater than a stroke of linear movement of said drive mechanism.