04678408 is referenced by 443 patents and cites 7 patents.

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).

Title
Solenoid drive apparatus for an external infusion pump
Application Number
568615
Publication Number
4678408
Application Date
September 24, 1985
Publication Date
July 7, 1987
Inventor
Gordon W Culp
Van Nuys
CA, US
Clyde K Nason
Valencia
CA, US
Agent
Bryant R Gold
Leslie S Miller
Assignee
Pacesetter Infusion
CA, US
IPC
F04B 13/00
F04B 9/06
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