Buckles – buttons – clasps – etc. – Plural fasteners having intermediate flaccid connector – Elastic connector
Patent
1990-05-10
1992-05-19
Brittain, James R.
Buckles, buttons, clasps, etc.
Plural fasteners having intermediate flaccid connector
Elastic connector
24129R, A44B 2100
Patent
active
051135523
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention refers to a fastening strap for, on the one hand, strapping and fastening at least one object or, on the other hand, bundling several objects. The fastening strap has at least one head element being arranged in the form of a clasp and engaging with the matter to be bound and includes a leg and a shaft carrying a locking member. The strap further has a wrapping element comprising one or several enlarged locking elements and being elastic. The enlarged locking elements may be individually and detachably anchored to the locking member of the head element.
Prior Art
A similar arrangement is known (CH A-405131, GRABHER), in which an eye of an elastic ribbon is placed exactly over the hooking nose of the head element. The eye has to be widened for the purpose of effecting the ringformed closure of this fastening strap, so that said eye may be hooked onto the hooking nose which is only possible by exertion of force.
Further arrangements have been published (West German Patent 1085809, ALL-PLASTIC), (West German Patent 1486292, CALOR) which do not comprise arrangements which are elastic of extension.
Summary of the Invention
It is the object of the invention to create a fastening strap the above kind which is elastic, the handling of which allows simpler and easier performance of fastening, bundling or strapping than is possible with presently known arrangements.
This object is achieved in accordance with the invention in that on the shaft of the head element at least one insertion groove is arranged, The groove forms a locking member. The locking member can also be formed by the area between the leg and the shaft, whereby the area of the wrapping element being in the ultimate vicinity of one of the enlarged locking elements may be inserted into and anchored to the insertion groove or the area between leg and shaft by means of tensile strain.
Further arrangements of the fastening strap in accordance with the invention may comprise the shaft having an extension. The extension being arranged with the insertion groove through which the area of the wrapping element being located between two enlarged locking elements may be inserted.
Furthermore--in accordance with the invention--the insertion groove may end in a sleeve. The sleeve being arranged on said shaft and having a traverse wall, whereby said sleeve is arranged such-like in that it allows insertion of the enlarged locking elements. This arrangement is particularly suitable for higher tensile strains, as no lateral tensile forces are exerted on the shaft.
Further arrangements of the invention may comprise the shaft having two insertion grooves. The grooves being arranged such that the wrapping element is insertable into the one insertion groove in the direction of the leg and that said wrapping element is insertable into the other insertion groove in the direction of the leg. The arrangement of two insertion grooves being oppositely aligned on the shaft is particularly preferable in cases where two objects which are located away from each other at a distance are to be bound together. A further feature of the invention may consist of a detachment prevention device, said device preventing an unintended slip-out of the wrapping element from the insertion groove.
Furthermore, the invention may comprise a head element having a hook-in safety device of the spring hook type.
A further feature of the invention--not outlined in detail--may comprise the fastening strap having on both of its ends a head element.
A further feature of the invention may comprise the wrapping element being anchorable in an area, said area being adjusted to the enlarged locking elements and formed between leg and shaft.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 a schematic view of a fastening strap strapped between two objects.
FIG. 2 is a schematic perspective view of a fastening strap strapped between two objects.
FIG. 3 is a schematic view of a head element according to another embodiment.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
REFERENCES:
patent: 565167 (1896-08-01), Harmon
patent: 749236 (1904-01-01), Smith
patent: 1067669 (1911-11-01), Borden
patent: 1721338 (1929-07-01), Gagnon
patent: 2581114 (1952-01-01), Carson
patent: 3042355 (1962-07-01), Stevens
patent: 3765060 (1973-10-01), Sharick
patent: 4579075 (1986-04-01), Foreman
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