Land vehicles – Skates – Shoe attaching means
Patent
1989-04-11
1991-04-02
Mitchell, David M.
Land vehicles
Skates
Shoe attaching means
280611, 280809, 70 58, A63C 1102
Patent
active
050042610
DESCRIPTION:
BRIEF SUMMARY
This invention relates to an anti-theft device for a safety ski binding comprising a jaw having at least one sole retainer adapted to be selectively brought into a detent position and into an open position, and at least one mechanically or electronically releasable detent means for holding the sole retainer against a resilient force in the detent position, the structural members effecting the detent or open position of the sole retainer being coupled with each other in a non-positive way.
Anti-theft devices of this type are for instance known from Austrian patent specification No. 381 455. As for this known solution, there is provided a lock which fixes the binding in a position. This, however, has the resultant disadvantage that the lock must be accessible from the outside, whereby on the one hand an unauthorized manipulation of exactly this lock cannot be prevented, and the device is thus only of questionable value because the binding remains evidently operative, for instance after the lock has been destroyed, and whereby on the other hand considerable problems caused by the formation of ice on the lock may arise when the skis are used and corresponding precautionary measures are not taken for the maintenance thereof.
Furthermore, it has already been suggested in Swiss patent specification No. 637 842 that a lockable blocking of the ski brake should be provided when there is a binding having an integrated ski brake. This has also the resultant disadvantage that the elements causing the blocking are accessible from the outside and can be made inoperative by a corresponding application of force, with no damage to the binding proper having to be assumed from the start so that an operative binding can definitely be reckoned with even after a corresponding manipulation of the ski brake.
Moreover, a safety ski binding has been suggested in Austrian patent specification No. 290 350 wherein a release member adapted to be triggered via a transmitter is arranged in the locking mechanism. With the help of the transmitter it is thus possible to release the binding when there is the risk of falling, and to separate the ski. This, however, does not at all provide a protection against theft because the binding can be locked and unlocked by means of a manual release without difficulty.
It is the object of the present invention to avoid these disadvantages and to provide an anti-theft device of the type mentioned at the outset, wherein the device is arranged in a substantially protected way and wherein when force is used, inoperativeness of the binding must be reckoned with so that such an attempt is not at all made because of the obvious futility of such an untertaking.
According to the invention this is accomplished by providing a blocking means which is adapted to be selectively brought into an open or blocking position with the aid of a transmitting means via a receiving means and which in its blocking position assumes a position which allows locking into a blocking position only when the binding is in an open position, and in which the detent means is prevented from returning into a position corresponding to the closed position of the binding.
As a result of these measures, it is possible to fix the binding in its open position so that the jaw can no longer be moved out of this blocked position, and use of the binding is thus made impossible. The blocking means can expediently be arranged in the jaw so that this means is not accessible from the outside. An unauthorized manipulation of the blocking means is definitely prevented as well because this means can only be influenced by corresponding signals from an associated transmitter.
In principle, it would also be possible to lock the binding by means of the anti-theft device in the closed position thereof. The lawful user, however, would always have to pay attention that the device is only activated when the binding is in the closed position. Otherwise, there would be the risk that the binding is stepped into when the anti-theft device is activated in the open positi
REFERENCES:
patent: 3528672 (1970-09-01), Wunder
patent: 4598933 (1986-07-01), Hoelzl
Mitchell David M.
TMC Corporation
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