Resources Contact Us Home
Unitary spring armature for a dot matrix printer

Image Number 2 for United States Patent #4771689.

An elongated unitary spring armature is disclosed for use in dot matrix printers. The spring armature has an elongated triangular shape with attachment means located adjacent to the base and means for securing the impact tip located adjacent to the apex. A spring portion formed of a high carbon steel is located adjacent to the attachment means and an armature portion formed of a low carbon steel separates the spring portion from the apex. Processes for making the spring armature are also disclosed.

  Recently Added Patents
Porous polymeric resins
Server chassis
Solar-powered roadway light
Tube lighting fixture
Method and system for electronic distribution of product redemption coupons
Functional component compensation reconfiguration system and method
Assigning runtime artifacts to software components
  Randomly Featured Patents
Stop method for fuel cell system
Method and apparatus for path imbalance reduction in networks using high speed data packet access (HSDPA)
Self-locking covering device for standing rigging
Gang rip saw assembly
Non-volatile static random access memory
Method of making aromatization particles containing coffee aroma constituents
Overload coupling having a radially variable coupling gear
Device for the control of the quantity and/or the flow rate of a liquid
Vane type rotary internal combustion engine with transfer valve in rotor
Method for making a fiber-reinforced structure involving a polymer-impregnated fiber strand