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 providing a shared folder via television
Identification of websites that break out of frames
Semiconductor apparatus
Lens module and method for manufacturing thereof
Integrated process for the manufacture of fluorinated olefins
Precision geolocation of moving or fixed transmitters using multiple observers
  Randomly Featured Patents
Method and device for magnetic and ultrasonic testing of ferro-magnetic objects
Method and apparatus for forcing piles into or out of the ground
Field effect transistor and fabrication method thereof
Method of producing a high T.sub.c superconducting film free of second phase defects
Cosmetic dispenser
Push-cord energy saving lampholder easy for the stripping of cord
Roadway expansion joint and seal
Brushless motor for fluid pump and fluid pump using the motor
Penstemon plant named `Peni Laver`