Upper stopper structure of zipper
An upper stopper structure of a zipper has two pull strips. Each pull strip has a respective teeth strip and each teeth strip is installed with a plurality of teeth. The right upper stopper includes an end stop and an inner stopper. A connecting plate is connected to the inner stopper, and an elastic fixing strip is extended from the end stop. The connecting plate is at an inner side; and the fixing strip is at an outer side of the teeth strip. The left upper stopper is a stop unit. An outer side of the top of the left upper stopper has a protruded stop block. The stop block is connected to one pull strip. The pull of the zipper is easily guided to pass through the teeth by using the stop structure, but the pull can not leave out of the upper stopper structure.
The present invention relates to zippers, and particularly to an upper stopper structure of a zipper. The upper stoppers will not be buckled to the pull due to a larger force. The teeth guided into the pull from the gap between the end stop and inner stopper can not be guided out from the gap.
BACKGROUND OF THE INVENTIONIn one prior art, the upper stops of a zipper is disclosed. The upper stoppers include buckling proof stoppers, an end stop and an inner stopper. The lower half of the end stop is extended with fixing strip having a tip to generate a gap with the inner stopper so that the lateral plate of the pull can pass through the gap obliquely. After guiding, it will not separate from the teeth of the zipper. However in normal user, above mentioned prior art can be used well, but if improper force is applied, the pull possibly falls out from the gap 33. Thereby, this is a problem to be resolved.
Furthermore, the improper use of a zipper is induced from an overlarge force applied to the pull so that the pull is buckled to the upper stoppers. As a result, the plastic upper stoppers lose of the stop function. Namely, weak structure of the upper stoppers induces an insufficient tolerance.
Moreover, the upper stoppers of the prior art zipper are separated by the middle post of the pull so as to have a Y shape. Since the inner walls of the two upper stoppers are flat or cambered surfaces, they are two points contact with the lateral plate so that the upper stoppers are easy to move abnormally, even the Y shape area will be over-expanded to induce the pull strips at the two sides of the pull generate wrinkles or become coarse. Not only it is unbeautiful, but also the clothes having the zipper generates wrinkles.
Moreover, the plastic upper stoppers are not integrally formed. Because before injecting the upper stoppers, the pull strips in the mold must be flattened, a retainer is used to fix them. As a result, it is easy to induce too large gaps between the inner stopper and teeth or between the buckling proof stopper and the teeth. Not only the appearance is not beautiful, but also the lateral plate of the pull will be guided out from the teeth.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.
BRIEF DESCRIPTION OF THE DRAWINGS
Referring to
With reference to
Next, the right upper stopper includes an end stop 2 and an inner stopper 3. The end stop 2 is above the inner stopper 3. The end stop 2 and the inner stopper 3 are connected by a connecting plate 31. An outer side of the top of the end stop 2 has a round protruding stop block 21. A lower end of the end stop 2 near the outer side is extended with a narrow long elastic fixing strip 22 having a round tip 23. A lower side of the end stop 2 is formed with a concave cambered guide surface 24 from the inner side thereof to the fixing strip 22. A cambered surface of the cambered guide surface 24 extends upwards and outwards to be adjacent to the fixing strip 11. The connecting plate 31 is at an inner side of the end stop 2 and he inner stopper 3. The connecting plate 31, end stop 2 and inner stopper 3 are integrally formed. Only the end stop 2 and the inner stopper 3 are connected to the pull strip 101, while the connecting plate 31 is not connected to the connecting plate 31, but is tightly adjacent to the lateral side of the teeth strip 102 (referring to
With reference to
With reference to
Referring to
When the pull 5 is pulled upwards improperly, the right upper stopper causes that the gap between the end stop 2 and inner stopper 3 will not over expand by the effect of the connecting plate 31. Moreover, the pull strips 101 and teeth strip 102 between the end stop 2 and inner stopper 3 will not be over-pulled so as to prevent from damage, deformation or looseness. Thereby, to the right upper stopper, the connecting plate 31 has the effect of enhancement.
Next, after the pull 5 is pulled upwards (referring to
Besides,
Moreover, in
Advantages of the present invention will be described here. In the present invention, the upper stoppers will not be buckled to the pull due to a larger force. The teeth guided into the pull from the gap between the end stop and inner stopper can not be guided out from the gap. The pull is difficult to be guided out from between the inner stopper and teeth. The pull strips and teeth strips between the end stop and the inner stopper are not easy to deform or be loose. Moreover, the movement of the two upper stoppers to the pull can be smoothly and easily.
Although the present invention has been described with reference to the preferred embodiments, it will be understood that the invention is not limited to the details described thereof. Various substitutions and modifications have been suggested in the foregoing description, and others will occur to those of ordinary skill in the art. Therefore, all such substitutions and modifications are intended to be embraced within the scope of the invention as defined in the appended claims.
Claims
1. (Cancelled)
2. An upper stopper structure of a zipper having two pull strips; each pull strip having a respective teeth strip and each teeth strip being installed with a plurality of teeth; wherein
- a right upper stopper includes an end stop and an inner stopper; a connecting plate is connected to the inner stopper, and an elastic fixing strip is extended from the end stop; the end stop and inner stopper are connected to one of the pull strips; the connecting plate is at an inner side; and the fixing strip is at an outer side of the teeth strip; and
- a left upper stopper is a stop unit; an outer side of the top of the left upper stopper has a protruded stop block; the stop block is connected to another pull strip;
- wherein the pull of the zipper is easily guided to pass through the teeth of the two teeth strips by using the stop structure, but the pull does not leave out of the upper stopper structure;
- wherein an inner side of the right upper stopper is formed with an cambered concave wall extended from the end stop to the connecting plate; an upper end of the cambered concave wall is formed with a protruded upper cambered convex corner, and a right lower side of the inner stopper is formed with a lower cambered protruded corner; by the protruded stop block; upper cambered concave corner; and lower cambered convex corner; the right upper stopper has three points in contact with a middle post and a lateral plate of a Y shape guide groove of the pull.
3. (Cancelled)
4. The upper stopper structure of a zipper as claimed in claim 2, wherein a lower edge of the end stop of the right upper stopper is formed with a cambered guide surface which extended from an inner side of the end stop to an outer side of the end stop until the cambered guide surface is adjacent to the fixing strip; a top of the inner stopper is an inclined guide surface; and a space is formed between the inclined guide surface and the cambered guide surface for shifting the pull.
5. (Cancelled)
6. The upper stopper structure of a zipper as claimed in claim 2, wherein a lower end of the inner stopper of the right upper stopper near an inner side of the right upper stopper has a downward protruding block which is matched to a recess at a lateral side of a head portion of a teeth strip.
7. An upper stopper structure of a zipper having two pull strips; each pull strip having a respective teeth strip and each teeth strip being installed with a plurality of teeth; wherein
- a right upper stopper includes an end stop and an inner stopper; a connecting plate is connected to the inner stopper, and an elastic fixing strip is extended from the end stop; the end stop and inner stopper are connected to one of the pull strips; the connecting plate is at an inner side; and the fixing strip is at an outer side of the teeth strip; and
- a left upper stopper is a stop unit; an outer side of the top of the left upper stopper has a protruded stop block; the stop block is connected to another pull strip;
- wherein the pull of the zipper is easily guided to pass through the teeth of the two teeth strips by using the stop structure, but the pull does not leave out of the upper stopper structure;
- wherein an inner side of the stop unit of the left upper stopper has a cambered concave wall; an upper end of the cambered concave wall is formed with an upper cambered convex corner and a lower and thereof is formed with a lower cambered convex corner; by the stop block, the upper cambered convex corner and the lower cambered convex corner, the left upper stopper has three points to contact the middle post and lateral plate in the Y shape guide groove.
8. The upper stopper structure of a zipper as claimed in claim 2, wherein an inner side of the stop unit of the left upper stopper has a cambered concave wall; an upper end of the cambered concave wall is formed with an upper cambered convex corner and a lower and thereof is formed with a lower cambered convex corner; by the stop block, the upper cambered convex corner and the lower cambered convex corner, the left upper stopper has three points to contact the middle post and lateral plate in the Y shape guide groove.
9. (Cancelled)
10. The upper stopper structure of a zipper as claimed in claim 8, wherein a lower end of the left upper stopper near an inner side of the left upper stopper is installed with a downward protruding stop block which is matched to recess at a lateral side of the head of the teeth strip.
Type: Application
Filed: Sep 22, 2003
Publication Date: Mar 24, 2005
Inventor: Chang-Wen Tsaur (Tauyian)
Application Number: 10/666,781