×

Faulty needle sensing

  • US 4,026,128 A
  • Filed: 12/12/1975
  • Issued: 05/31/1977
  • Est. Priority Date: 12/12/1975
  • Status: Expired due to Term
First Claim
Patent Images

1. Apparatus for sensing needles of the type employed in a knitting machine comprising:

  • first and second needle sensors, each said needle sensor having a surface portion for engagement with a portion of a needle,structure supporting said first and second needle sensors in predetermined relation for concurrently sensing different portions of the same needle and producing an output indication thereof,and an indicator coupled to said first and second needle sensors, said indicator being responsive to movement of one sensor relative to the other sensor indicative of a faulty needle for producing an output indicating that the sensed needle is defective.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×