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
Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus
Caprazene as a novel compound and derivatives thereof, and caprazol as a novel compound and derivatives thereof
Portable electronic device housing including hinge
Multi-channel memory system including error correction decoder architecture with efficient area utilization
Precision geolocation of moving or fixed transmitters using multiple observers
Methods and devices for creating, compressing and searching binary tree
Stretchable elastic laminate having increased CD elongation zones and method of production
  Randomly Featured Patents
Mechanically stable, porous shaped activated carbon article and filtering system
MOS integrated circuit and electronic equipment including the same
Clinical thermometer
Method for treatment of samples for auger electronic spectrometer (AES) in the manufacture of integrated circuits
UV-absorbent compounds, process for their preparation and their use as image dyes in photographic materials for the silver dye bleach process
Upgrade of below grade fill to at grade fill
Human artificial chromosome containing human antibody .lamda. light chain gene and non-human animal containing the human artificial chromosome capable of genetic transmission
Switch for a grooved guide track
RF coil and magnetic resonance imaging apparatus
Method and an arrangement for checking the operation of breathing equipment