Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Interface circuit apparatus










Image Number 17 for United States Patent #4463401.

A remotely controlled circuit control device has first and second load contact assemblies movable into circuit engagement and circuit disengagement positions relative to one another in which one load contact assembly is operatively connected to a solenoid so that alternate forward strokes of the solenoid moves the one load contact assembly between reset and tripped positions through a push-push mechanism having an indexing portion and a latching portion. An overload mechanism cooperates with the latch portion to cause the load contact assemblies to move to the circuit disengaged position upon occurrence of a fault condition. The second load contact assembly includes pivotably mounted contact members which are linked to the first load contact assembly in such a way that circuit engagement during solenoid energization is precluded. The push-push mechanism is operatively connected via a mode switch to either a reset circuit or a trip circuit and in turn to a remotely disposed indicator-control unit (ICU) through an optical coupler. Contact status and coordination between load contacts and ICU contacts are provided by a feedback circuit. An interface circuit allows operation of the circuit control device without discrimination on a power supply of either alternating or direct voltage or both. Life expectancy of the device is enhanced by several features including double break contacts with contact wiping and the provision of a floating output arm for the solenoid.








 
 
  Recently Added Patents
Controller for soldering iron
Searchlight
Dot templates for object detection in images
Wristwatch
Active gate drive circuit
Lookup front end packet input processor
Inhibition of HRP-3 using modified oligonucleotides
  Randomly Featured Patents
System for asynchronously duplexing remote data by sending DASD data grouped as a unit periodically established by checkpoint based upon the latest time value
Asymmetrical siloxy disulfide compounds
Golf balls comprising highly-neutralized acid polymers
Engine balancer system
Apparatus for dry printing on contoured workpieces
Heat pipe with axial and lateral flexibility
Ceramic member having fine throughholes
Homeopathic formulation consisting of Bryonia alba and Pulsatilla spp
Vinyl chloride polymerization process
Apparatus for and method of recording color picture image