×

Needle bar pattern shifting device

  • US 3,972,295 A
  • Filed: 10/08/1975
  • Issued: 08/03/1976
  • Est. Priority Date: 10/08/1975
  • Status: Expired due to Term
First Claim
Patent Images

1. A patterning device for a tufting machine having a reciprocating needle bar carrying a plurality of needles disposed laterally across the machine and adapted to penetrate a backing moving longitudinally of the machine to insert a plurality of stitches upon each penetration of the backing, and means for mounting said needle bar for lateral movement relative to said backing, said patterning device comprising:

  • a pair of normally inactive oppositely directed lateral force transmitting members mounted on the tufting machine above said needle bar, a pair of lateral force receiving members mounted on said needle bar and individually disposed to cooperate with a respective one of said force transmitting members as the needle bar moves upwardly and approaches the top dead center position, and pattern control means for activating one of said force transmitting members selectively into coupling engagement with the cooperating force receiving member to shift said needle bar laterally.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×