Buckles – buttons – clasps – etc. – Drawstring – laced-fastener – or separate essential... – Includes separate device for holding drawn portion of lacing
Patent
1993-09-02
1994-05-31
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Drawstring, laced-fastener, or separate essential...
Includes separate device for holding drawn portion of lacing
247123, 247126, 24115G, A43C 700
Patent
active
053157419
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a snap fastener for securing shoe laces.
Especially for kindergarten children who are not yet able to tie shoe laces on their own, a device eliminating the need for tying shoe laces is very useful. Proposals for such a device have been made in EP 0 314 628 A2, FR 1.518.038 and U.S. Pat. Nos. 3,500,508, 3,345,707 and 948,071. The present invention is based on the object of providing an improved device of this kind which is even easier to handle.
SUMMARY OF A PREFERRED EMBODIMENT OF THE INVENTION
According to the invention, this object is solved by a snap fastener for securing shoe laces which is characterized by the following features:
an inner sleeve is guided within an outer sleeve so that the two sleeves are substantially movable toward and away from each other;
the inner sleeve accommodates an inner body which is rotatably mounted;
there are means for effecting rotation of the body upon relative movement between the inner sleeve and the outer sleeve;
at least one opening permits the lace to be passed therethrough; sleeve, the body and the outer sleeve;
the boreholes of the inner sleeve, the body and the outer sleeve associated with each of the openings are in alignment with one another when the snap fastener is in the unlocking or releasing position so that the shoe lace can be readily passed therethrough; unlocking position effects displacement of the boreholes whereby the shoe lace is immovably clamped; which one shoe lace each is passed.
The snap fastener according to the invention also prevents the shoe laces from becoming undone on their own. The circular movement of the inner ring ensures reliable clamping of the shoe laces.
The snap fastener according to the invention allows for the simple and fast securing of shoe laces on any kind of shoes, particularly children's shoes.
Since the tying of shoes has been practiced for thousands of years but no absolutely safe method of tying and easily releasing shoe laces has been found so far, the solution according to the present invention provides the opportunity of durably securing and releasing the shoe laces on shoes by way of a simple movement of the hand.
By knotting the ends of the shoe laces, the shoe laces can be prevented from inadvertently getting out of the snap fastener.
The snap fastener is advantageously designed such that it comprises two openings offset relative to each other for passing one end of a shoe lace each therethrough, the ends of the shoe laces being preferably bent at right angles at least once when the inner and outer sleeves are pressed together. Said bending of the shoe laces is reversed when the inner and outer sleeves are pulled apart again. When pressure is exerted on the outer sleeve, the body is made to rotate on account of the vertical movement being converted into a horizontal circular movement so that the shoe laces are immovably clamped by the snap fastener. They are released upon a slight upward drawing action.
According to a preferred embodiment of the invention, the inner body comprises at least one surface bevelled in relation to the rotational axis of the body, said bevel substantially extending in the circumferential direction of the body. Opposite the bevelled surface there is provided a projection which slides on the bevelled surface upon relative movement of the inner and outer sleeves towards each other, thus turning the body. The bevelled surface preferably starts from a side of the body which extends substantially vertically to the axis of rotation of the body.
According to a particularly preferred embodiment of the invention, the body comprises two bevelled surfaces, with a projection being disposed opposite each of the bevelled surfaces. The projections are suitably arranged on the inner surface of the sleeve opposite the bevelled surface, preferably on the inside of the outer sleeve.
According to a further development of the invention, means are provided for limiting the maximum extent to which the two sleeves can be pulled apart. Further
REFERENCES:
patent: 948071 (1910-01-01), Lubeck
patent: 3057029 (1962-10-01), Miller, Jr. et al.
patent: 3290745 (1966-12-01), Maxwell et al.
patent: 3345707 (1967-10-01), Rita
patent: 3500508 (1970-03-01), Bennett
patent: 3908238 (1975-09-01), Panicci
patent: 4790048 (1988-12-01), Arnt
Nicole Durr GmbH
Sakran Victor N.
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