×

RELATING TO DRIVE MECHANISMS SUITABLE FOR USE IN DRUG DELIVERY DEVICES

  • US 20140316344A1
  • Filed: 06/30/2014
  • Published: 10/23/2014
  • Est. Priority Date: 03/03/2003
  • Status: Active Grant
First Claim
Patent Images

1. A drive mechanism for use in a drug delivery device comprising:

  • a housing;

    a dose dial sleeve threadedly engaged with the housing;

    a drive sleeve releasably connected to the dose dial sleeve;

    a piston rod engaged with the drive sleeve; and

    a clutch located between the dose dial sleeve and the drive sleeve, where the clutch is biased distally in a dose setting position.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×