Patent Application
20190216182
The invention generally relates to a device to assist in closing or sealing a fastener and more specifically to a fastener pull apparatus that is affixable to a slidable fastener located on a rear side of a garment to assist in sealing the garment.
Fastening mechanisms, such as zippers, have long been included on garments to aid in releasably binding edges of an opening of the garment together. Zippers typically include a first and second portion of tape from which teeth protrude, a slider that facilitates the joining of the teeth and a pull-tab that extends from the slider and can be pulled by an individual to aid in moving the slider along the teeth.
On some garments, such as dresses, zippers are fixed to edges of fabric at the rear of the dress. It can be challenging for an individual wearing the dress to grasp and move the pull-tab along the teeth without having to, for example, contort their body, request assistance or, where possible, rotate the dress so that the zipper can be closed and then readjust the dress to the intended orientation on the individual's body. In other instances, where the individual can reach the zipper, due to the angle at which they must grasp the zipper, they risk possibly damaging the garment and/or zipper.
Devices designed for extending/retracting, ratcheting and spooling in general are known. However, these devices typically have undesirable drawbacks. For example, one known ratcheting mechanisms can produce an undesirable noise when a cord is pulled due to the interaction of the parts of said mechanism. Another known ratcheting mechanism requires pressure to be applied thereto to prevent rotation of a spool and in turn extension or retraction of a cord. As will be described in detail below, the present invention overcomes drawbacks of these devices by allowing for control of both the extension and retraction of a cord with a clip attached to one end of the cord.
The present invention is directed to a fastener (e.g., zipper) pull apparatus that is arranged within a housing (e.g., figurine) and that is configured to assist in sealing a slidable fastener (e.g., zipper) at the back of a garment (e.g., dress).
In general, the fastener pull apparatus is a spring-loaded, ratcheting, winding mechanism that allows for the extension and retraction of a cord, cable or the like. In an embodiment, a clasp can be fixed to the cord external of the housing. The cord can be freely pulled out of the housing, which is part of the fastener pull apparatus and retracted therein by depressing a button that is part of the fastener pull apparatus up to about ⅔ of a possible travel distance of the button. If the button is depressed fully, the cord is be precluded from extending or from retracting within the housing.
The fastener pull apparatus includes a plurality of elements that work together to allow for the extension and retraction of a cord from the housing. These elements include a spool, a spool plate that is fixable to the spool, a retraction button that is arranged between the spool and the spool plate, a plurality of springs, a cap and a shaft that extends from the housing through openings in the spool, retraction button, spool plate and cap and is configured to receive and/or interaction with the plurality of springs. The cord is wound about the spool and extendable through an opening in the housing. The end of the cord that extends through the housing is fixable to a fastener, such as a clasp, that is configured to be releasably secured to a fastening mechanism to aid in binding edges of an opening of the garment together.
In operation, the cord and/or clasp can be pulled to extend the cord to a desired length from the housing. When the cord is extended from the housing, the spool rotates and in turn winds one of the springs (i.e., the clock spring) that is part of the fastening apparatus, this increases tension on the apparatus. Retraction of the cord is prevented by the interaction of a first coil spring and the retraction button. The first coil spring, which sits within the shaft, is configured to contact and apply pressure on the retraction button. The retraction button includes a plurality of ramps or teeth that project therefrom. Similarly, the spool plate has a plurality of ramps or teeth that are configured to interact with the ramps or teeth of the retraction button. Due to the pressure applied on the retraction button, the ramps or teeth of the retraction button and spool plate remain in contact with each other. The spool plate is fixed to the spool. Because the spool plate cannot rotate due to the interaction of ramps or teeth of the retraction button interaction with mating ramps or teeth of the spool plate, the spool plate prevents the spool from rewinding and the cord from retracting.
When the cap is depressed about ⅔ of a possible total travel, the second spring, which has a spring force greater than the first spring, applies pressure on the retraction button, forcing the retraction button away from the spool plate such that the ramps or teeth of the retraction button and spool plate are no longer interacting with each other and in turn releases the tension on the system. This allows the cord to retract within the housing.
The cap is prevented from rotating due to the interaction of a plurality of teeth extending out from the side of the cap into corresponding grooves arranged longitudinally along the button shaft in the rear housing. If the cap is depressed fully, the spool is prevented from rotating and the cord is prevented from retracting or extending due to an interaction of at least one stop extending from the cap with at least one projection extending from the spool plate. The interaction of the stop and projection lock the spool plate in place. The spool plate is fixed to the spool and therefore the interaction of the stop of the cap and projection of the spool plate preclude rotation of the spool.
The clasp, which is affixed to an end of the cord external of the housing, is configured to be releasably attached to a fastener such as a zipper, pull-tab or the like to aid in sealing the fastener. Upon the fastener being sealed, the clasp is released from the fastener and the cord can be retracted within the housing.
In an embodiment, the present invention is directed to a fastener pull assist apparatus that comprises a housing, a spooling mechanism that is arranged within the housing and a fastening assembly that is fixed to the spooling mechanism and releasably fixable to an object to aid in pulling the object.
The housing can include a front housing member and a rear housing member that are fixable to each other. The front housing member can include a shaft extending therefrom that has a first projection and a second projection that is spaced from the first projection such that a cavity is formed between the first projection and the second projection.
The spool mechanism can include a spool about which a cord is windable, a spool plate that is fixable to the spool, a retraction button that is arranged between the spool and the spool plate, a cap that is contactable with the spool plate and a plurality of springs. The plurality of springs can include a first spring, a second spring and a third spring. The first spring can be a coil spring, the second spring can be a coil spring that has a spring rate that is greater than that of the first spring and the third spring can be a clock spring.
The spool, the retraction button, the spool plate can have an opening extending therethrough and the cap can have an opening extending therein and the shaft can be configured to extend through the opening of the spool, the retraction button, the spool plate and into the opening of the cap to align the spool, the retraction button, the spool plate and the cap in relation to each other about an axis.
The spool can include a cylindrical sidewall that has a first surface and a second surface that is mirror opposite the first surface and a wall extending from the second surface, dividing an interior of the spool into a first cavity and a second cavity.
The retraction button can include a hub that has a first slotted opening and a second slotted opening and a flange that includes a plurality of ramps.
The spool plate can include a body that that has a plurality of ramps that extend from a first surface, at least one fastener that extends from the first surface and at least one projection extending from a second surface.
The cap can include a housing, a flange extending from an end of the housing, a plurality of teeth extending radially out from the flange and at least one stop extending longitudinally from the flange.
In an embodiment, the present invention is directed to a fastener pull assist apparatus that comprises a first housing that has a shaft extending therefrom, a second housing that is configured to be connectable with the first housing and form a cavity therein and a spool system that is arranged between the first housing and the second housing and that includes a spool about which a cord is windable, a spool plate fixed to the spool, a retraction button arranged between the spool and the spool plate, a cap configured to interact with the spool plate and a plurality of springs. The housing can be part of a decorative element.
The shaft can include a first projection and a second projection that is spaced from the first projection such that a cavity exists between the first projection and the second projection.
In an assembled first state, one of the plurality of springs can be arranged within the cavity of the shaft and contactable with the retraction button and in turn the retraction button can be contactable with the spool plate, allowing for rotation of the spooling mechanism in only a first direction. In a second state, upon partial depression of the cap, the retraction button can be spaced from the spool plate, permitting the spool to rotate in a second direction. In a third state, upon full depression of the cap, the cap can contact and interact with the spool plate, preventing rotation of the spool in either the first or second direction.
In an embodiment, the present invention is directed to a method of moving a slidable fastener that comprises the steps of: providing a housing and a spool system arranged within the housing that includes a spool about which a cord is windable, a spool plate fixed to the spool, a retraction button arranged between the spool and the spool plate, a cap configured to interact with the spool plate and a plurality of springs; pulling the cord to extend a length of the cord exterior of the housing; depressing the cap partially to retract the cord within the housing; and depressing the cap fully to prevent rotation of the spool and in turn retraction or extension of the cord.
With reference now to the drawings, and in particular to
In general, the fastener pull apparatus 10 is a spring-loaded, ratcheting, winding mechanism that allows for the extension and retraction of a cord 14. In an embodiment, a clasp 15 can be fixed to the cord 14 external of the housing 12. The cord 14 can be freely pulled out of the housing 12 and retracted therein by partially depressing a button 34 (i.e., up to about ⅔ of a possible travel distance of the button 34). If the button 34 is depressed fully, the cord 14 can be precluded from extending from retracting within the housing 12. It is noted that the cord 14 can extend through a tube 13 (see
As will be described in detail below and can be seen, for example, in
As illustrated, for example, in
The shaft spring 24, as depicted, for example, in
The flange 84 includes a plurality of ramps or teeth 94 that extend about a first surface 96 of the flange 84. As will be described in more detail below, the ramps or teeth 94 of the retracting button 28 are configured to releasably engage mating ramps or teeth 98 of the spool plate 30.
As depicted in
In operation, an individual can grasp the housing 12 in one hand and the cord 14 and/or the clasp 15 in the other and pull on the cord 14 and/or clasp 15 to extend the cord 14 out of the housing 12. This in turn simultaneously causes the spool 26 to rotate and the flat coil or clock spring 22 to wind and contract, and increase tension on the fastener pull apparatus 10. The tensioning of the system 10 precludes the cord 14 from being freely retracted after being extended from the housing 12. The cord 14 is only permitted to extend from the housing 12 if the cap 34 is not depressed because the shaft spring 24, which is arranged within the cavity 50 of the shaft 18, is configured to abut the second surface 93 of the retracting button 28, applying pressure thereto which keeps the ramps or teeth 110 of the button 28 engaged with the ramps or teeth 94 of the spool plate 30. Because the spool plate 30 is fixed to the spool 26, by keeping the ramps or teeth 94, 110 engaged with each other, the spool 26 is prevented from rotating and as such, the clock spring 22 is precluded from expanding to a rest state and rewinding the cord 14 about the spool 26. Additionally, it is noted that the retraction button 28 is precluded from rotation by the shaft 16 due to geometry of the features of the retraction button 28 and the shaft 16. As noted above, the retraction button 28 first slotted opening 86 and a second slotted opening 88 and a substantially square shaped opening 92 extending through a second surface 93. When the shaft 16 is arranged within the openings 86, 88, 92, due to the rectangular shape of the openings 86, 88 in the hub 82 and the square shaped opening 92, the retraction button 28 is precluded from rotation about the shaft 16.
To retract the cord 14, the cap 34 must be depressed. The cord 14 will retract as the cap 34 is depressed and travels up to about ⅔ of its total possible travel distance along an axis of the apparatus 10. The cord 14 is able to retract upon partial depression of the cap 34 because the second spring 32 has a higher spring rate that the first spring 24 and as such, is able to overcome the spring force of the first spring 24, compressing the first spring 24 and in turn permitting the ramps or teeth 94 of retraction plate 28 to become disengaged from the ramps or teeth 110 of the spool plate 30 (i.e., the retraction plate 28 can move about the second cavity 76 of the spool 26). By disengaging the connection between the ramps or teeth 94, 110, the spool plate 30 no longer restricts rotation of the spool 26 to which the spool plate 30 is fixed, allowing the tension placed on the flat coil or clock spring 22 to be released and the spool 26 to rotate and wind the cord 14 about the sidewall 60 thereof.
If the cap 34 is depressed beyond ⅔ of the total possible travel distance along the axis of the apparatus 10, the retraction button 28 stops traveling away from the spool plate 28 (i.e., it bottoms out against the wall 70 of the spool) and the second spring 32 begins to compress. The cap 34 continues to travel toward the front housing member 16. The stop 122 of the cap 34 contacts the spool plate 30, between two of the projections 112 of the spool plate 30 and contacts one of the projections 122 which prevents rotation of the spool 26 in either direction and in turn the cord 14 will be prevented from being extended from the housing 12 or being retracted therein.
Although the description above and accompanying drawings contains much specificity, the details provided should not be construed as limiting the scope of the embodiments, but merely as describing some of the features of the embodiments. The description and figures should not to be taken as restrictive and are understood as broad and general teachings in accordance with the present invention. While the embodiments have been described using specific terms, such description is for illustrative purposes only, and it is to be understood that modifications and variations to such embodiments, including, but not limited to, the substitutions of equivalent features and terminology may be readily apparent to those of skill in the art based upon this disclosure without departing from the spirit and scope of the invention.
This patent application claims benefit under 35 U.S.C. § 120 to U.S. Provisional Patent Application No. 62/618,963, filed Jan. 18, 2018, which is hereby incorporated by reference in its entirety as part of the present disclosure.
| Number | Date | Country | |
|---|---|---|---|
| 62618963 | Jan 2018 | US |
