Patent ID: 11877629
Assignee: KCC ZIPPER CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A bottom stop device of a double-open end zipper, which is used to be respectively combined with the lower ends of two chain straps of a double-open end zipper, as the end of the sliding of the zipper slider of the double-open end zipper, said double-open end zipper comprising a stopper pin unit and a movable pin unit, respective inner sides of said stopper pin unit and said movable pin unit being able to be close to each other and fastened together, wherein:
said stopper pin unit is used for injection molding at a lower end of a first chain fabric of one of the said two chain straps of said double-open end zipper, said stopper pin unit comprising a stop pin, a first back plate, a first chain fabric groove, a stopper and a first clamping block integrally formed, said stop pin being a first bar-shaped body formed on an inner side of a front of said first back plate, said stop pin extending from a top side of said first back plate along the said inner side of said first back plate to a top side of said first back plate, said stop pin having upper end thereof used to align with a lower end of a series of teeth on an inner side of said first chain fabric, said first back plate being connected to a back side said stop pin and extending to the outside of said stop pin to form a plate body, said first chain fabric groove being formed between said stop pin and said first back plate, said first chain fabric groove having a first opening towards the upper end of said stop pin and an outer side of said stop pin, said stopper being formed on a front side of a bottom edge of said first back plate and protruding forward from a front side of said first back plate, said stop pin having a lower end thereof connected to an inner end of said stopper, said first clamping block being formed on an outer side of the front of said first back plate to form a first clamping gap with said first back plate;
said movable pin unit is used for injection molding at a lower end of a second chain fabric of the other of the said two chain straps of said double-open end zipper, said movable pin unit comprising a movable pin, a second back plate, a second chain fabric groove and a second clamping block integrally formed, said movable pin being a second bar-shaped body formed on an inner side of a front of said second back plate, said movable pin extending from a top edge of said second back plate along an inner edge of said second back plate to a bottom edge of said second back plate and protruding from the bottom edge of said second back plate, said movable pin having upper end thereof used to align with a lower end of a series of teeth on an inner side of said second chain fabric, said second back plate being connected to a back side of said movable pin and extending to an outer side of said movable pin to form a plate body, said second chain fabric groove being formed between said movable pin and said second back plate, said second chain fabric groove, said second chain fabric groove having a second opening towards the upper end of said movable pin and an outer edge of said movable pin, said second clamping block being formed on a front outer side of said second back plate, said second clamping block forming a second clamping gap with said second back plate.