Apparatus for attaching an end stop to a slide fastener stringer
AssigneeYoshida Kogyo K.K.
InventorYuuji Yoshida
Life of this patent
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Abstract
An end stop attaching apparatus has a pair of punch arms pivotally mounted on a punch holder on a shaft rotatably supported on a frame for angular movement about its own axis between end stop applying and supplying or loading positions, the punch arms having a pair of clinching punches, respectively, on their ends for supporting an end stop therebetween. A punch actuator is operatively mounted on the punch holder and is coupled with the punch arms for moving the punches toward and away from each other. The punch actuator is activated to enable the punches to clinch the end stop about a longitudinal edge of a stringer tape in the end stop applying position, and to enable the punches to receive an endmost end stop from an end stop supply in the end stop supplying or loading position.
Claims13
An apparatus for attaching an end stop having a pair of spaced legs to a longitudinal edge of a slide fastener stringer tape, said apparatus comprising:
- (a) a frame;
- (b) a shaft rockably supported on said frame for angular movement about its own axis between a loading position and a punching position;
- (c) a punch holder fixedly secured to said shaft for angular movement therewith, and having a groove extending in parallel to a diameter of said shaft;
- (d) a pair of punch arms disposed laterally adjacent to said groove and pivotably mounted on said punch holder, said arms having a pair of opposed clinching punches receptive of the legs of the end stop therebetween, said punch arms being also angularly movable with said shaft, said punch arms having a pair of cam followers;
- (e) a slide movable in and along one end of said groove and having a pair of cam surfaces engaging said cam followers;
- (f) a pair of links each pivotally connected to said slide and to one of said punch arms;
- (g) an end stop holder having a guide portion movable in and along the other end of said groove, and a support portion disposed between said clinching punches for holding the end stop with its legs supported by said clinching punches;
- (h) first driving means on said frame for reciprocating said slide with said shaft in said punching position;
- and
- (i) second driving means on said frame for reciprocating said slide with said shaft in said loading position.
Dependencies are inferred from the claim text.