With Tension Relieving Patents (Class 66/160)
  • Patent number: 4259852
    Abstract: A positive thread-delivery device for a knitting machine, wherein a plurality of thread-guiding rollers are associated with each knitting system, with which one common delivery belt cooperates, wherein with each roller there is associated a thread-control element which, during processing of the thread, holds same in a clamping position between the delivery belt and roller and which during paying out of the thread can be changed over into a position in which it guides the thread over an area of the roller which is free from the delivery belt to thus terminate such delivery, and including a thread-breakage monitor wherein a swivel arm is provided which engages the thread which unwinds from the thread-delivery device, which swivel arm has associated therewith first and second switches operated at different angles of traverse of the swivel arm, the first switch controlling an electromagnet which loads the thread-control element, the second switch stopping the drive of the machine, the first switch being the first
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: April 7, 1981
    Assignee: Aktiebolaget IRO
    Inventor: Kurt A. G. Jacobsson
  • Patent number: 4259851
    Abstract: A positive thread-delivery device for a textile, in particular a knitting, machine with a plurality of thread-guiding rollers, with which cooperates a common delivery belt and with which each one a thread-control element is associated, which thread-control element during the delivery of the thread holds same in a clamping position between the delivery belt and the thread-guiding roller and which during a drop in the tension of the thread which is delivered by the thread-delivery device can be changed over into a position in which it guides the thread over an area of the thread-guiding roller which is free of the delivery belt to thus terminate the thread delivery, and a tension feeler is provided which engages, independently from the thread-control element, the thread which is delivered by the thread-delivery device, which feeler operates an electromagnet which loads the thread-control element.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: April 7, 1981
    Assignee: Aktiebolaget IRO
    Inventor: Kurt A. G. Jacobsson