Slide fastener

Abstract

A slide fastener with a pull rotated type slider, which allows starting operation of the slider to be executed smoothly and easily. A U-shaped guide lever, which allows the pull to move around, is disposed on a periphery of a body of the slider. A guide face for an upper stopper of a pull guide portion with T-shaped section provided on the U-shaped guide lever is formed in an arc face or an inclined face. Consequently, even if the U-shaped guide lever and the upper stopper contact each other, the upper stopper can be guided smoothly by the guide face, thereby the slider being started easily.

What is claimed is:  
     
         1 . A slide fastener with a pull rotated type slider for opening or closing a fastener chain and having a guide lever protruded continuously from a top face, a front face and a bottom face of a body thereof, wherein at least one of the pull rotated type slider and an upper stopper includes a guide face for guiding the upper stopper and the guide lever kept in a state that they contact with each other upon closing the fastener chain so as to achieve a sliding contact and a separation of the upper stopper and the guide lever upon separating the fastener chain.  
     
     
         2 . A slide fastener according to  claim 1 , wherein right and left end portions of the fastener chain on the side to which the upper stopper is attached are disposed in such a manner that the end portions are approached to each other.  
     
     
         3 . A slide fastener according to  claim 1 , wherein the pull rotated type slider has a pull guide portion with T-shaped cross section continuous along the guide lever and the pull guide portion has a guide face for the upper stopper formed in an arc face or an inclined face on an inner edge thereof.  
     
     
         4 . A slide fastener according to  claim 1 , wherein the upper stopper includes the guide face for the guide lever formed in the arc face or inclined face on a corner of an outside edge thereof which comes into contact with the guide lever.  
     
     
         5 . A slide fastener according to  claim 3 , wherein said guide face for the upper stopper is formed on an inner edge of the pull guide portion disposed on a front face of a body.  
     
     
         6 . A slide fastener according to  claim 3 , wherein said guide face for the upper stopper is formed on an inner edge of the pull guide portion, which the upper stopper comes into sliding contact with, disposed on a front face of a body.  
     
     
         7 . A slide fastener according to  claim 3 , wherein said guide face for the upper stopper has a horizontal holding face at a base end thereof, which comes into sliding contact with an attaching piece of a pull.