GB2155531A - Releasable fastener for a strap - Google Patents
Releasable fastener for a strap Download PDFInfo
- Publication number
- GB2155531A GB2155531A GB08406123A GB8406123A GB2155531A GB 2155531 A GB2155531 A GB 2155531A GB 08406123 A GB08406123 A GB 08406123A GB 8406123 A GB8406123 A GB 8406123A GB 2155531 A GB2155531 A GB 2155531A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jaw
- base member
- releasable fastener
- slide
- jaws
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
- A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
Landscapes
- Buckles (AREA)
Abstract
The fastener comprises a base (112) having a bar (113) to which is attached a loop at an end of a belt (111). The opposite end of the belt is passed between a first jaw (116) defined by a base member and a second jaw (117) integrally moulded with the base member and capable of flexing for opening and closing the jaws. A slide (125) is slidable on the base member to hold the jaws in closed position so as to grip the belt. The belt is bent around parallel shoulders (130, 131) on the jaws to improve the grip. <IMAGE>
Description
SPECIFICATION
Releasable fastener for a strap
This invention relates to a releasable fastener for a strap.
Releasable fasteners are commonly used for connecting straps together and adjusting the length of a strap e.g. for garment belts and braces and for baby harnesses. Such fasteners in the form of clamps are also used for releasably securing braces to a garment. This type of fastener usually comprises metal pressings pivoted together and inherently spring-biased into a clamping position. The pressings define jaws which carry serrated members formed of plastics material and secured to the jaws for providing a firm grip on a garment. Such a fastener is of complicated construction, is expensive to produce and quickly loses its ability to grip firmly.
The present invention provides a releasable fastener which can be of simple and inexpensive construction and can provide a strong grip, which does not weaken with frequent use.
In accordance with this invention, there is provided a releasable fastener comprising a base member defining a first jaw, a second jaw secured to the base member and angularly movable between open and closed positions relative to the first jaw, and a slide mounted on the base member for sliding movement between a closing position in which the slide holds the second jaw in the closed position and an open position in which the slide releases the second jaw.
The second jaw is preferably resiliently biased to the open position and the resilience may be inherent in the second jaw. The second jaw may be capable of bending to provide for the angular movement. The base member and the second jaw may be integral parts of a single plastics moulding.
The grip between the jaws may be made particularly effective in a very simple manner by providing co-operating shoulders on the jaws which lie in close parallel relationship in the fully closed position of the second jaw and define a nip. One shoulder may be defined by a rebate formed in the base member and the other shoulder may be defined by the end face of the second jaw.
Reference is now made to the accompanying drawings, wherein: Figure 1 is a perspective view of a fastener for use with trouser braces;
Figure 2 is a sectional view on line 2-2 of
Fig. 3 of the fastener of Fig. 1;
Figure 3 is a sectional view on line 3-3 of
Fig. 2;
Figure 4 is a perspective view of a fastener for use with a belt and shown disassembled;
Figure 5 is a cross-sectional view on the line 5-5 of Fig. 6, showing the fastener of
Fig. 4; and
Figure 6 is a cross-sectional view on the line 6-6 of Fig. 5.
The fastener shown in Figs. 1 to 3 is intended for securing a strap 11 of a pair of trousers. The fastener comprises an elongate base 1 2 having an eye 1 3 at one end receiving a loop at the end of the strap 11.
The base is a one-piece plastics moulding shown with a metal insert defining the eye 1 3. The eye may, however be defined by an integral part of the moulding. The base defines a first jaw 1 6 and a second jaw 27 which is thinner in cross-section then the first jaw. The second jaw is angularly movable towards and away from the first jaw by bending of the first jaw, the resilience of the material being such that the second jaw is biased angularly away from the first jaw. The first jaw has a rebate 18 defined by a shoulder 1 9 at the end of the base opposite to the eye 13. The second jaw has an end face 21 which, in the closed position of the jaws, lies close to and parallel to the shoulder 1 9 to define a nip.In this closed position, the gripping surfaces of the jaws converge longitudinally away from the nip.
The shoulder 1 9 is defined by a lateral projection having a surface 20 generally perpendicular to the shoulder and provided with serrations 22.
A slide 25 receives the base 1 2 and is slidable along the base. In the position shown in Fig. 1, the slide is positioned so as not to engage the second jaw 1 7 and the latter is biased away from the first jaw leaving an opening for receiving a part of a waist band.
The slide is slidable over the second jaw 17, so as to move it into the closed position and hold it there with the waist band gripped in the nip between the jaws. The convergence of the jaws and the serrations 22 improve the grip. The closed position is shown in Figs. 2 and 3 and the waist band 27 is shown gripped between the jaws in Fig. 2. The slide has a curved upstanding flange 26 to facilitate movement of the slide.
The fastener of Figs. 4 to 6 operates on the same principle, but is intended as a belt adjuster.
The fastener comprises an elongate base 112 defining an eye 11 3 at one end. An end of a belt 111 is looped around the eye.
The base has a longitudinal slot defined between a first jaw 116, a second jaw 11 7 and side walls 118, 11 9 and the opposite end part of the belt extends through the slot so that the base is movable along the belt.
The second jaw is resiliently biased away from the first jaw to an opening position, but the jaws can be closed by a slide 1 25 to grip the belt. The slide is of channel form with inturned marginal edges 126, 127, which engage in grooves 128, 1 29 in the side walls 118, 11 9 to captivate the slide on the base.
A nip is again defined between a shoulder 1 30 on the first jaw and the end face 131 of the second jaw. The second jaw also has a lateral projection 1 32 on its surface facing the first jaw and at the end of the second jaw, so that the projection has a face forming a continuation of the end face 1 31. This projection forms an additional nip with the first jaw, as illustrated in Fig. 5.
The slide may carry a decorative device (not shown) which completely, or substantially, obscures the fastener in use.
Claims (2)
1. A releasable fastener comprising a base member defining a first jaw, a second jaw secured to the base member and angularly movable between open and closed positions relative to the first jaw, and a slide mounted on the base member for sliding movement between a closing position in which the slide holds the second jaw in the closed position and an open position in which the slide releases the second jaw, the first jaw having a rebate defining a shoulder facing the axis of angular movement of the second jaw, the second jaw having an end face defining a shoulder which, in the closed position, lies in close substantially parallel relationship with the shoulder of the first jaw, whereby a strap or garment positioned between the jaws is caused to bend and be trapped in the rebate.
1
2. A releasable fastener constructed substantially as herein described with reference to
Figs. 1 to 3 or Figs. 4 to 6 of the accompanying drawings.
CLAIMS
Amendments to the claims have been filed, and have the following effect: Claims 1 and 6 and 7 above have been deleted or textually amended. New or textually amended claims have been filed as follows:- Claims 8 to 1 2 above have been renumbered as 6 to 10 and their appendances corrected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08406123A GB2155531B (en) | 1984-03-08 | 1984-03-08 | Releasable fastener for a strap |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08406123A GB2155531B (en) | 1984-03-08 | 1984-03-08 | Releasable fastener for a strap |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8406123D0 GB8406123D0 (en) | 1984-04-11 |
GB2155531A true GB2155531A (en) | 1985-09-25 |
GB2155531B GB2155531B (en) | 1988-01-20 |
Family
ID=10557796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08406123A Expired GB2155531B (en) | 1984-03-08 | 1984-03-08 | Releasable fastener for a strap |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2155531B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230938A (en) * | 1989-05-06 | 1990-11-07 | David Partridge | Seat belt adjuster |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB268973A (en) * | 1926-04-21 | 1927-04-14 | Amos Bernard Newton | Improvements in dress fastenings |
GB316176A (en) * | 1928-07-24 | 1929-11-14 | Wilhelm Greineisen | |
GB419876A (en) * | 1934-04-21 | 1934-11-20 | Hapfor Sa | A method of mounting clips for suspenders, braces and the like |
GB462432A (en) * | 1936-06-08 | 1937-03-09 | Lipotne Blumenthal | Improvements in or relating to stocking suspender clips |
-
1984
- 1984-03-08 GB GB08406123A patent/GB2155531B/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB268973A (en) * | 1926-04-21 | 1927-04-14 | Amos Bernard Newton | Improvements in dress fastenings |
GB316176A (en) * | 1928-07-24 | 1929-11-14 | Wilhelm Greineisen | |
GB419876A (en) * | 1934-04-21 | 1934-11-20 | Hapfor Sa | A method of mounting clips for suspenders, braces and the like |
GB462432A (en) * | 1936-06-08 | 1937-03-09 | Lipotne Blumenthal | Improvements in or relating to stocking suspender clips |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2230938A (en) * | 1989-05-06 | 1990-11-07 | David Partridge | Seat belt adjuster |
Also Published As
Publication number | Publication date |
---|---|
GB2155531B (en) | 1988-01-20 |
GB8406123D0 (en) | 1984-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |