DE3201787A1 - SAFETY FOOT STRAP FOR SAILING BOARDS (WINDSURFING) - Google Patents

Description

Munich, January 15 * 82 Safety foot strap for sailboards (windsurfing)

The subject of the invention is the formation of a foot loop and a device for attaching it to a sail board, The focus of the considerations is on achieving the greatest possible safety for the sailor from injuries.

One of the requirements to be met by the construction is therefore the glider's foot held by the foot strap Exceeding a predetermined, maximum permissible force or. To release momentary action.

According to the invention, the foot loop is fixed in its fastening element by its wedge-shaped end pieces. These are introduced into the corresponding undercuts of the fastening element during assembly and fixed there by the additional introduction of a spacer. The foot loop slides out of its fastening element when a maximum permissible tensile force acting on it is exceeded in that a spring is compressed by the running of the wedge-shaped end pieces on the undercut wedge tracks in the fastening element the spring is compressed by the amount of the undercut and the foot strap is released from the fastening element. The angle of inclination of the wedge surfaces is to be selected so that the foot strap is returned to its rest position when the tensile force acting on it is reduced by the force of the spring if the release force has not been exceeded. The spring, the characteristic curve of which determines the release force at a given angle of inclination of the wedge surfaces, can be located in the end pieces of the foot strap or in the fastening element. respectively. the undercuts are provided in the fastening element.

(2)

Safety foot loop for sailboards (2)

Through different, interchangeable springs with different characteristics, which, for example, are attached to their place of action with adhesive can be, the release force of the Pußschlaufö veieääd he t, thus thus adapted to the sailing ability and physique of the sailor. With a resilient design of the end pieces of the foot loop, whose characteristic cannot be changed can be adjusted by adjusting the degree of undercut of the wedge surfaces the release force.

Parts of the foot strap that touch the sailor's foot must be designed in such a way that there is no risk of injury Furthermore, the width of the loop opening must be equal to The sailor's foot or shoe size can be adjusted Foot straps, for example, there is a great danger that the sailor's foot slips through it and this is held on to the sailboard, possibly under water after a fall.

An adjustability of the foot loop opening to two different widths is achieved in the present invention not by changing the length of the foot loop, but by the fact that the end pieces of the foot loop are symmetrical and this can thus be turned. By an asymmetrical design of the foot loop in such a way that one side by knobs, ribs, an order of foam, air chambers, o.Ä.bezogen to their center plane "is Dieker ^n, it is achieved that, depending on the whether the" thin ^H or ^H thick ^tt side inwardly facing foot dhdem is mounted, a wider or narrower loop opening is created.

This principle can be applied analogously to a hose like cover, which is pushed over the foot strap. The shape of the cover is to be adapted to the shape of the cross section of the foot loop so that it can be unintentionally twisted about its length axis and thus a change in the shop width.

Some possible embodiments of a safety foot arch construction The functional principles outlined above are shown and explained in the figures.

Peter St. Lutz

Figure description

Fig. 1 shows the attachment end of a safety foot loop
prior to their attachment in the fastener.

Fig. 2 shows the foot loop end according to Fig. 1, in the fastening element attached.

Fig. 3 shows a differently designed end of a foot loop.

Figures 4 and 5 show the behavior of one end of a foot loop
when pulling out of the fastener.

Figures 6 and 7 show the behavior of the end of another foot loop when pulling out of the fastener.

The foot straps 2 according to the exemplary embodiments have wedge-shaped end pieces 4, 6 that rest on corresponding, wedge-shaped undercuts 8, 10 in a fastening element 12
run up when the foot straps come out of the fastening element 12
should be pulled out. Press the undercuts 8, 10
the end pieces 4, 6 resiliently together over a release path up to a release point which corresponds to the dimension of the undercuts 8, 10. The end pieces 4, 6 of the foot rails 2 or the undercut

fertilize 8, 10 are resilient. In the exemplary embodiments 3, 6 and 7 are springs 14 as separate components in the form of replaceable, fixed with adhesive at their place of action Elastomer springs are provided in the split end pieces 6.

The end pieces 4 and 6 are in the undercuts 8, 10 via a non-undercut, correspondingly wide opening 16 in the To introduce fastening element 12 and in the undercuts by a blocking piece 18 inserted into opening 16 to fix.

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Claims (9)

Patent attorneys Dipl.-Ing. H. Veicmann, Di? L .- * Phys ".; Dr".; K. Fincke Dipl.-Ing. F. A. Weickmann, Dipl.-Chem. B. Huber Dr.-Ing. H. Liska P 32 01 787.1 8000 MÜNCHEN 86 '' ■ "an · 1983 Peter St. Lutz postfachseo820 MÖHI.STRASSE 22 TELIiFON (089) 980352 TELIiX 5 22 621 TPXI GRAM PATIiNTW] -ICKMANN MONCHKN patent claims 1. Safety foot loop for a sail board that should pass releases the foot of a sailor with a predetermined, maximum permissible force, characterized in that that the foot loop (2) has wedge-shaped end pieces (4, 6) which point to corresponding, wedge-shaped undercuts (8, 10) run in a fastening element (12) which the end pieces (4, 6) resiliently over a release path around the Compress the measure of the undercuts (8, 10) up to a release point. 2. Safety foot loop according to claim 1, characterized in that that there are springs (14) in the end pieces (4, 6) of the foot loop (2) or behind the undercuts (8, 10). 3. Safety foot loop according to claim 2, characterized in that that the springs (14) as separate components, preferably in Form of replaceable elastomer springs attached to their place of action with adhesive are formed. 4. Safety foot loop according to claim 2, characterized in that that the end pieces (4, 6) of the foot loop (2) or the rear ι / ν cuts (8, 10) are resilient. 5. Safety foot loop according to one of claims 2 to 4, characterized characterized in that its release path, in particular by changing the degree of the undercuts (8, 10), is variable is. 6. Safety foot loop according to one of the preceding claims, characterized in that the end pieces (4, 6) in the undercuts (8, 10) via a non-undercut, corresponding to introduce a wide opening (16) in the fastening element (12) and by blocking this opening (16) with a spacer (18) are to be fixed there. 7. Safety foot loop according to one of the preceding claims, characterized in that the width of the loop opening is designed to be adjustable to two different sizes. 8. Safety foot loop according to claim 7, characterized in that that the foot loop (2) is designed asymmetrically to its center plane in such a way that it is either with a "thick" or a "thin" side facing the loop opening in the Fastening element (12) is to be mounted. 9. Safety foot loop according to claim 7, characterized in that that the width of the loop opening through one to its midplane asymmetrically formed cover can be adjusted to two different sizes. 0. Safety foot loop according to claim 9, characterized in that that the cover is to be pushed over the foot loop (2), that it faces the loop opening either with its "thick" or with its "thin" side.