"A bobbin holder assembly" The bobbin holder assembly according to this invention comprises a head assembly, a bearing mechanism and a stem assembly. The stem assembly comprises an actuator, a latch mechanism; a conical slide is slidably attached in grooves provided external to the stem. The stem assembly also has ...

The present invention provides a non-rotating bobbin holder comprising a hollow cylindrical member enclosed in a cup of said bobbin holder having an opening on the lower side and an upper covered side with a pass-through passage, a cubicle with a suitable floor profile disposed on the inner surface of the up...