Patent Application
20200288837
This invention relates to a hair claw clip, particularly to a hair claw clip that allows the user to control the tightness of the hair claw clip and has an automatic opening function.
Traditional hair claw clip, such as the U.S. Pat. No. 7,984,720 (B2) “BOBBY PIN” invented by the inventor, the foregoing bobby pin includes a left body and a right body respectively having plural ribs that are formed with plural teeth for engaging with each other to keep hair firmly clamped. The left and the right body have an opening device that is provided with a root member respectively, with a pivotal pin mounted with a compression spring and a torsion spring. In using, press inward the two bodies to keep the teeth engaged with each other for clamping hair. And, as long as the opening device is pressed, the two bodies can be immediately separated from each other for releasing hair.
According to a long-term study by the inventor, although the foregoing bobby pin can provide a strong clamping force when the plural teeth arranged on the both sides of the corresponding ribs. However, during the manufacturing process, the shape of the plural teeth will inevitably have slight errors; or when the user uses the bobby pin for a period of time, the bobby pin will be slightly deformed or worn due to various external force factors or material deterioration, this will cause the problem that the plural teeth of two corresponding ribs are not tightly fitted. In this case, the bobby pin will be very difficult to tightly clamp during the clamping operation, the hair inside the bobby pin will be easily burst out of the bobby pin, and the bobby pin will be very easy to get stuck during the opening operation.
Moreover, the friction between the foregoing bobby pin and the hair is insufficient, and the user must tighten the bobby pin to prevent the bobby pin from slipping off the hair. However, too much force in the hair will hurt the hair and hinder the opening of the bobby pin. In addition, the outer surface of the foregoing bobby pin is too smooth, so it is not easy for the user to hold the bobby pin steadily, and it is very inconvenient to use.
Therefore, the inventor of this invention, having much experience in designing and manufacturing various hair clip and its related products, understands and researches the problem of the foregoing bobby pin and hence devised this invention.
The objective of this invention is to offer an innovative hair claw clip, which is provided with a new snap-fit structure on the first body and the second body of the hair claw clip to improve the service life and stability of the hair claw clip during the clamping operation and the opening operation. Moreover, through the new anti-slip structure design, the present invention can be held more firmly by the user, and the hair claw clip on the hair will not be easily slipped from the hair even if the hair is not be clamped tightly by the hair claw clip.
The hair claw clip in the present invention includes at least a first body, a second body, an automatic opening device and at least four sets of snap-fit structures as main components combined together. Said first body is provided with a plurality of first ribs at one end and a plurality of first rotating shaft brackets at the other end, said second body is provided with a plurality of second ribs at one end and a plurality of second rotating shaft brackets at the other end. Said automatic opening device is arranged between said first rotating shaft brackets of the first body and said second rotating shaft brackets of the second body, said automatic opening device is provided with a pivot, at least one first elastic member is mounted between the adjacent first rotating shaft bracket and the second rotating shaft bracket, said pivot is provided with a second elastic member, the two sides of the second elastic member respectively against the inner side of said first body and the inner side of said second body. Said snap-fit structures are respectively arranged on the adjacent positions of the corresponding first rib and the second rib; said snap-fit structures is provided with a one-way tooth row and a locking projection which are respectively arranged on the adjacent positions of the corresponding first rib and the second rib.
The hair claw clip of the present invention, among which when the one-way tooth row and the locking protrusion of said adjacent snap-fit structures are arranged in opposite directions, the clamping force of the hair claw clip is the most average, and can effectively prevent the hair claw clip from being opened by the pressure of the hair.
The hair claw clip of the present invention, among which said first body and second body may be provided with a hollow portion, so that the material cost of the hair claw clip can be saved, the adhesion between the hair claw clip and the hair can be improved, the hair claw clip can becomes better for the user to hold, and the visual beauty of the hair claw clip can be increased. Said first body and second body may be provided with an anti-slip member on it's outer surface to increase the anti-slip effect of the hair claw clip.
This invention will be better understood by referring to the accompanying drawings, wherein:
A preferred embodiment of the hair claw clip in the present invention, as shown in
Said first body 1 is provided with a plurality of first ribs 10 at one end and a plurality of first rotating shaft brackets 11 at the other end. Each spacing space formed between the adjacent first ribs 10 is greater than the width of each second rib 20 of the second body 2, and each spacing space formed between the adjacent first rotating shaft brackets 11 is larger than the width of each second rotating shaft bracket 21 of the second body 2. In this way, the spacing spaces formed by the adjacent first ribs 10 and the adjacent first rotating shaft brackets 11 can be used as the moving spaces of the second ribs 20 and the second rotating shaft brackets 21 of the second clip 2, respectively; and the first body 1 and the second body 2 can be moved in the opposite direction.
As shown in
Said second body 2 is provided with a plurality of second ribs 20 at one end and a plurality of second rotating shaft brackets 21 at the other end. Each spacing space formed between the adjacent second ribs 20 is greater than the width of each first rib 10 of the first body 1, and each spacing space formed between the adjacent second rotating shaft brackets 21 is larger than the width of each first rotating shaft bracket 11 of the first body 1. In this way, the spacing spaces formed by the adjacent second ribs 20 and the adjacent second rotating shaft brackets 21 can be used as the moving spaces of the first ribs 10 and the first rotating shaft brackets 11 of the first clip 1, respectively; and the first body 1 and the second body 2 can be moved in the opposite direction.
As shown in
Said automatic opening device 3 is arranged between said first rotating shaft brackets 11 of the first body 1 and said second rotating shaft brackets 21 of the second body 2. Said automatic opening device 3 is provided with a pivot 30, the first shaft brackets 11 of the first clip 1 and the second shaft brackets 21 of the second clip 2 are staggered with each other, and the first shaft brackets 11 and the second shaft brackets 21 are pivotally connected by said pivot 30. In this way, when the first body 1 and the second body 2 are in the clamping action, said first ribs 10 and second ribs 20 are interlaced with each other, and the spacing spaces respectively formed by the adjacent first ribs 10, second ribs 20, first rotating shaft brackets 11 and the second rotating shaft brackets 21 allows the first body 1 and the second body 2 to move laterally opposite to each other on the pivot 30.
At least one first elastic member 31 (such as a spring) is mounted between the adjacent first rotating shaft bracket 11 and the second rotating shaft bracket 21, so that an elastic support force can be generated between the adjacent first rotating shaft bracket 11 and the second rotating shaft bracket 21 to maintain the relative position of the first body 1 and the second body 2. Said pivot 30 is provided with a second elastic member 32 (such as a torsion spring), the two sides of the second elastic member 32 respectively against the inner side of said first body 1 and the inner side of said second body 2. In this way, the elastic force generated from the second elastic member 32 can be used to automatic spread out the hair claw clip and keep the hair claw clip in the opening state.
Said snap-fit structures 4 are respectively arranged on the adjacent positions of the corresponding first rib 10 and the second rib 20. Said snap-fit structures 4 is provided with a one-way tooth row 40 and a locking projection 41 which are respectively arranged on the adjacent positions of the corresponding first rib 10 and the second rib 20. In this way, when the first body 1 and the second body 2 are in the clamping action, each of the corresponding one-way tooth rows 40 and the locking projection 41 will lock to each other to maintain the clamping force of the hair claw clip. By inventor actual test, when the one-way tooth row 40 and the locking protrusion 41 of the adjacent snap-fit structures 4 are arranged in opposite directions (as shown in
As shown in
While the preferred embodiments of this invention have been described above, it will be recognized and understood that various modifications may be made therein and appended claims are intended to cover all such modifications that may fall within the spirit and scope of the invention.
