Robert Perkins;Robert Frederick Veasey;David Aubrey Plumptre
发明人:
Robert Frederick Veasey,Robert Perkins,David Aubrey Plumptre
申请号：
US13909649
公开号：
US20130274680A1
申请日:
2013.06.04
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A housing for a dispensing apparatus. The housing comprising a main housing and a dose dial sleeve. The dose dial sleeve comprising a helical groove configured to engage a threading provided by the housing. A dose knob is disposed near a proximal end of the dose dial sleeve and a piston rod is provided within the housing. The piston rod is non-rotatable during a dose setting step. A driver comprises an internal threading near a distal portion of the driver and is adapted to engage an external thread of the piston rod. A tubular clutch is located adjacent a distal end of the dose knob and operatively coupled to the dose knob. The dose dial sleeve may extend circumferentially around at least a portion of the tubular clutch.
