Resources Contact Us Home
Solenoid drive apparatus for an external infusion pump

Image Number 8 for United States Patent #4678408.

A solenoid drive apparatus for driving a lead screw of an External Infusion Pump (1) having a housing (302), solenoid winding (356) within the housing (302), a solenoid armature (358) which is driven by the field of the solenoid winding (356), push rod (362) which is driven by the armature (358), pawn (314) which is driven by push rod (362), a first pawl (320) which is driven by pawn (314) and a second pawl (326) which is an antibacklash device, a ratchet wheel (318) having teeth (319) around its periphery and engaged by the first pawl (320) and the second pawl (326) and the drive shaft (316) which is drawn by the ratchet of the ratchet wheel (318).

  Recently Added Patents
Systems and methods for implementing pressure sensitive keyboards
Egg separator
Light transformation particle and photobioreactor
Pet fish burial pod
Semiconductor device
Semiconductor device
Anti-fake battery pack and identification system thereof
  Randomly Featured Patents
Dynamic location-based mapping system and method
Composition and method for stripping films from printed circuit boards
Narrow profile power handle for line trimmer and the like
Construction material made of algae, method for cultivating algae, and algae cultivation plant
Colocated cellular radiotelephone systems
Disposable car cover
Lens slide for an automated luminaire
Compensating stacker for printed signatures
Table plate for patient supporting table
Optical switch with optically-induced grating