Patent ID: 6163944
Filing Date: 2000-12-26
Classification: D02G,D02J

Abstract:
A yarn blowing device used in conjunction with a nozzle comprising:a base consisting of two portions with an air inlet in one portion;a housing provided on the other portion of the base having a bore on top and a recess in the side corresponding to the air inlet of the base;a driving shaft having an upper portion protruded above the housing and a lower portion received in the bore of the housing;an elastic means put on the lower portion of the driving shaft;a cam mounted to the bottom end of the driving shaft;an engagement means having one side received in the recess of the housing;an engagement base secured to the bottom of the other side of the engagement means;a sliding block provided between the base and the housing having an opening in one portion for receiving the cam therein; anda member formed on the other portion of the sliding block being in contact with the engagement base having a V-shaped groove with an air hole, wherein in use, rotate the driving shaft to cause the cam to reciprocatively move the engaged opening of the sliding block along a predetermined direction such that the air inlet of the base may periodically be in and out of communication with the air hole of the sliding block for introducing high pressure air from the nozzle to blow yarn passing through the member; andwhile lift the driving shaft to disengage the cam from the opening of the sliding block for pulling the sliding block out of the device.