US 12,433,375 B2
Slider of zipper and zipper
Hao Lu, Jiaxing (CN)
Assigned to ZHEJIANG HUASHENGDA ZIPPER TECHNOLOGY CO., LTD., Jiaxing (CN)
Filed by Zhejiang Huashengda Zipper Technology Co., Ltd., Jiaxing (CN)
Filed on Aug. 9, 2023, as Appl. No. 18/446,669.
Application 18/446,669 is a continuation of application No. PCT/CN2021/076329, filed on Feb. 9, 2021.
Prior Publication US 2023/0380548 A1, Nov. 30, 2023
Int. Cl. A44B 19/28 (2006.01); A44B 19/26 (2006.01)
CPC A44B 19/28 (2013.01) [A44B 19/262 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A slider of a zipper comprising tapes arranged at opposing left side and right side and zipper teeth arranged on the tapes, wherein the slider of the zipper comprises:
a slider body comprising an upper guide plate and a lower guide plate connected to each other, wherein two guide channels at the left side and the right side are formed between the upper guide plate and the lower guide plate to engage and separate the zipper teeth, and one guide channel of the two guide channels at one side allows insertion and withdrawal of the zipper teeth at corresponding side;
a pull tab movably connected to the upper guide plate, wherein the pull tab comprises an assistive insertion member on which a track channel running through two ends of the assistive insertion member is formed; the assistive insertion member is able to be flipped upwards relative to the slider body in a length direction of the slider body, such that the track channel is in communication with a guide channel of the two guide channels at a corresponding side, and a pin of the zipper teeth at the corresponding side is allowed to enter inside of the slider body through the track channel;
the assistive insertion member comprises a connection portion connected to the upper guide plate and a track portion connected to the connection portion, the assistive insertion member has a use state resulted from flipping the connection portion together with the track portion upwards relative to the upper guide plate;
the zipper teeth comprise a first zipper teeth capable of free insertion and withdrawal, the two guide channels comprise a first guide channel for insertion of the first zipper teeth; the track portion is provided at same side as the first guide channel, the track channel is formed on the track portion, and the track channel has a track guide inlet facing away from the first guide channel and a track guide outlet facing the first guide channel;
the track channel flares out along a width direction of the slider body; and
in the use state, taking a direction from the upper guide plate to the lower guide plate as a direction from top to bottom, cross section of the track portion is L-shaped, and the track portion comprises a first track plate and a second track plate, wherein the first track plate is formed by extending downward from the connection portion, the second track plate is formed by extending outward from a lower edge of the first track plate in the width direction of the slider body, and the track channel is enclosed by inner sides of the first track plate and the second track plate.