Buckles – buttons – clasps – etc. – Button with fastener – Spiral fastener
Patent
1987-11-18
1989-01-03
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Button with fastener
Spiral fastener
24 90R, 24103, 24105, 411 2, 411 5, A44B 118
Patent
active
047946725
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a button arrangement, and more specifically, although not exclusively, to a quickly-attachable button arrangement constructed in a manner to enable it to be secured to a piece of material irrespective of whether the material is provided with a hole therefore or not.
The button arrangement can be used to secure labels and the like.
The quickly-attachable button arrangement is primarily intended as a spare button for replacing temporarily a button that has inadvertently been lost from the article on which it was sewn.
The button arrangement according to the invention comprises a button head having formed integrally therewith a combined button-head attachment and holding device, these devices being formed integrally with the button head. The button-head holding part of the device has provided thereon one or more surfaces or the like which are spaced from and face towards the button head, and the button-head attachment part of which device consists of a needle-like part which is intended to pierce the material, i.e. cloth or fabric, to which the button is to be attached.
The button-head holding device of this kind of button arrangement is intended to lie against the surface of the material opposite the button head, in a manner to hold the button head firmly on the material.
The button-head holding device has a helical and/or spiral form, thereby to enable the attachment part and the holding part of the combined device to be screwed through the material.
BACKGROUND PRIOR ART
Swedish Published Specification No. 418 050 and its counterpart U.S. Pat. No. 3,925,855, published on Dec. 16, 1975 and having the same inventor and applicant as the present invention, teach a quickly-attachable button arrangement that comprises a button head and a combined button-head attachment and holding device in the form of a one-piece structure. In this case, the button-head holding part of the combination device comprises a plurality of barbs which face towards the button head at a distance therefrom, and the button attachment part of the device comprises an elongated, needle-like part, the end of which distal from the button head is hard and pointed and the intermediate part of which connected to the button-head holding device and adjacent to the button head is resilient or elastic.
The barbs located on the button-head holding part are intended to engage the material on the side thereof opposite the button head, in a manner to hold the button head firmly on the material. The button-head attachment part of the device has a form which enables it to penetrate the material to which the button arrangement is to be attached.
A particular feature of the known quick-attachment button arrangements is that they present a part which is so elastic that when the button-head attachment part of said device is pushed or screwed through the material and subjected to a tension or pulling force, the barbs will pass through the material and take a position spaced therefrom. When the tension force is removed from the combined attachment and holding device, the barbs move into holding engagement with the material as the elastic attachment device retreats.
The barbs extend laterally over a relatively wide area beyond the attachment device, such as to form one or more material support surfaces when engaging the aforesaid opposite side of the material. These support surfaces must be located adjacent a counter-support provided on the button head, such that the material will be held firmly between the counter-support and the support surfaces when the button arrangement is used.
The elongated needle-like button attachment part of said device is given a hardness which increases progressively from the button head to the point of said attachment part.
This known button arrangement may also be provided with recesses at a location inwardly of those parts of the barbs that are located nearest the needle-like part of the button-head attachment device, these recesses facilitating removal of the needle-like part.
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REFERENCES:
patent: 352712 (1886-11-01), Riker
patent: 649656 (1900-05-01), Brooks
patent: 1375231 (1921-04-01), Rovelli
patent: 2104885 (1938-01-01), Robbins
patent: 2188552 (1940-01-01), King et al.
patent: 3343443 (1967-09-01), Moore
patent: 3349447 (1967-10-01), Raleigh, Jr.
patent: 3925855 (1975-12-01), Olovson
patent: 4096901 (1978-06-01), Reichenbach
patent: 4232427 (1980-11-01), Mawhinney et al.
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