×

Dial-Down Mechanism for Wind-Up Pen

  • US 20080147005A1
  • Filed: 10/20/2005
  • Published: 06/19/2008
  • Est. Priority Date: 10/21/2004
  • Status: Active Grant
First Claim
Patent Images

1. A dial-down mechanism for an injection device comprising a torsion spring (18) for assisting injection of a dose of medicament from the injection device, the dial-down mechanism comprisingdial-up cam (15) arranged to receive and engage with a dial-up key (11), wherein the dial-up cam (15) and the dial-up key (11) are adapted to, upon rotation of a dose setting member in a first direction, cooperate to strain the torsion spring (18) of the injection device, anda dial-down cam (16) arranged to receive and engage with a dial-down key (12), wherein the dial-down cam (16) and the dial-down key (12) are adapted to, upon rotation of the dose setting member in a second direction, cooperate to release the torsion spring (18) of the injection device, the second rotation direction being opposite to the first rotation direction.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×