EP0059906A1 - Fixation de sécurité pour ski - Google Patents

Fixation de sécurité pour ski Download PDF

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Publication number
EP0059906A1
EP0059906A1 EP82101526A EP82101526A EP0059906A1 EP 0059906 A1 EP0059906 A1 EP 0059906A1 EP 82101526 A EP82101526 A EP 82101526A EP 82101526 A EP82101526 A EP 82101526A EP 0059906 A1 EP0059906 A1 EP 0059906A1
Authority
EP
European Patent Office
Prior art keywords
contact piece
binding
contact
switch
held
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP82101526A
Other languages
German (de)
English (en)
Other versions
EP0059906B1 (fr
Inventor
Gerhard Oberleitner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TMC Corp
Original Assignee
TMC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TMC Corp filed Critical TMC Corp
Publication of EP0059906A1 publication Critical patent/EP0059906A1/fr
Application granted granted Critical
Publication of EP0059906B1 publication Critical patent/EP0059906B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/088—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with electronically controlled locking devices

Definitions

  • the invention relates to a safety ski binding with electronic evaluation and release circuits, which process the signals originating from force transducers and, in the event of danger, activate a release device for releasing the boot held in the binding, and which can be supplied by a voltage source via a switching device.
  • Such a safety ski binding is e.g. made known by DE-OS 27 05 174.
  • the switching device is actuated when entering the binding and closes the supply circuit for the electrical supply of the control circuit, which controls the triggering of the binding in the event of danger. This ensures that the control circuit is only live when a shoe is actually held by the binding. In this way it is prevented that the control circuit is constantly under voltage and the current source, usually a battery, is constantly, although slightly, loaded due to the inevitable leakage currents.
  • the aim of the invention is to propose a safety ski binding in which the power consumption is reduced to a minimum.
  • the switching means comprises a selectively operable B e-vanungsaufionat, which is connected to an electronic switching element through a timing element and optionally a threshold value switch.
  • the accelerometer in a manner known per se by a contact piece fastened to the free end of a bar spring clamped on one side and a counter contact surrounding this is formed, and that the contact piece and the counter contact can be displaced relative to one another in the axial direction between two positions, the counter contact lying in one of these positions outside the range of movement of the contact piece and one the contacts are held on a ski-fixed and the other on a part of a conventional thrust compensation device that is displaceable relative to this, or is connected to such a device.
  • This also has the advantage of a simple structure of the accelerometer.
  • an accelerometer is characterized in that the accelerometer is formed in a manner known per se by a contact piece fastened to the free end of a bar spring clamped on one side and a mating contact surrounding it, and in that an annular gap between the contact piece and the Insulator insertable counter contact is provided, wherein the contacts are preferably held on a ski-fixed part, whereas the insulator is held on a part of a conventional thrust compensation device that is displaceable relative to this.
  • a further advantageous embodiment consists in that the accelerometer is formed in a manner known per se by a contact piece fastened to the free end of a bar spring clamped in on one side and a mating contact surrounding it, and that between one of the contacts and the current source only one is fixed in the binding Shoe closed switch is interposed. This arrangement also ensures that the power supply to the release and evaluation circuit is interrupted when the skis are being transported.
  • the timing element is formed by a series-connected RC element, the accelerometer designed as a switch being connected in parallel to the capacitor and the electronic switching element at a voltage below the voltage at the capacitor switches through.
  • the switching of the electronic switching element occurs practically without delay when a sufficiently large acceleration pulse leading to closing the contacts of the accelerometer occurs, it is also possible to set the switching threshold for the accelerometer and thus the switch-on threshold for the evaluation and the trip circuit relatively high, so that these circles are only activated when acceleration forces occur, as they occur in situations that come close to the triggering conditions of the binding, but are still clearly below these in terms of the intensity of the impulses.
  • the duty cycle of the evaluation and the tripping circuit or the time that these circuits are ready for operation can be reduced to a minimum, thereby reducing the life of the voltage supply extend the battery seen.
  • FIG. 1 shows a block diagram of a binding according to the invention
  • FIG. 2 shows an exemplary embodiment of the invention with an acceleration switch as an acceleration sensor
  • FIGS. 3 to 5 schematically show different embodiments of accelerator switch arrangements
  • FIGS. 6 and 7 schematically show the arrangement of an acceleration switch on part of the Binding.
  • the acceleration sensor 1 is connected to a timing element 2, which is activated when a corresponding acceleration occurs.
  • the response threshold can already be defined by the design of the acceleration sensor 1, for example if it is designed as an acceleration switch 10, or a threshold switch, for example a Schmitt trigger, can be pre-slated for the timing element 2.
  • the timing element remains in the active state for a predetermined time after each excitation, in that it controls the downstream electronic switch 3 in the sense of switching through.
  • the electronic unit 4 is connected to the voltage source 5 during this period and is thus ready for operation.
  • the electronic unit 4 comprises both an evaluation circuit processing signals, not shown, as well as a trigger circuit controlled by this, which in the Danger trap triggers the binding and causes the release of the shoe from the binding.
  • the evaluation circuit of the electronic unit could, for example, be designed according to an older, not yet published Austrian patent application (10A 5376/80) and the triggering circuit could be designed by a solenoid valve according to this patent application.
  • the acceleration sensor 1, the timing element 2 and the electronic shepherd 3 ensure that the electronic unit 4 is connected to the voltage source 5 only during a period in which the ski provided with such a binding is in motion.
  • the B e acceleration sensor is designed as an acceleration switch 10, which closes when a certain acceleration value is reached and which is connected in parallel with the capacitor 11 of the RC element, which serves as a timing element 2 and consists of the resistor 12 and the capacitor 11 is. If the acceleration switch 10 closes, the voltage at the capacitor 11 breaks down and the Schmitt trigger 13 connected at the connection point of the resistor 12 and the capacitor 11 changes its switching state. As a result, the voltage level at the output of the downstream inverter 14 jumps to a sufficiently high value and the electronic switch 3, which is designed as a transistor, switches through, so that the electronic unit 4 is supplied with current.
  • the acceleration switch 10 opens again, the charging takes place capacitor 111 is opened via resistor 12. If the voltage across the capacitor 11 reaches a certain value, the switching state of the Schmitt trigger 13 changes and this returns to its initial state, as a result of which the output voltage of the inverter suddenly drops to zero and the electronic switch 3 opens.
  • the Schmitt trigger 13 and possibly also the inverter 14 could be dispensed with, but compliance with a switching threshold would then only be possible within a relatively wide range of fluctuation.
  • 3 to 5 show schematic embodiments of acceleration switch arrangements, in which it is ensured that a response of the acceleration switch 10 during the mere transport of the binding or skis, that is to say without a shoe held by the binding, has no effects, or no switching through of the electronic switch 3 results.
  • the acceleration switch 10 consists essentially of a connecting piece 20 made of conductive material, to which an electrical line leading, for example, to the battery 5 or to the connection point of the resistor 12 with the capacitor 11 is connected, and in which a bar spring 21, for example a piece of spring wire, is anchored its free end carries a contact piece 22.
  • This contact piece 22 also serves as a pendulum of the acceleration switch.
  • the Be Acceleration switch 10 on an attached to the connector 20 insulating tube 23, in which the contact piece 22 is held with play counter contact 24 to which an electrical line is connected.
  • the counter contact 24 is held in the insulating tube 23 so as to be displaceable in the axial direction.
  • This counter contact 24 is, as can be seen from FIGS. 6 and 7, connected to an attachment 41 connected to the jaw 40 having a thrust compensation device via an insulator.
  • the remaining part of the acceleration switch 10 is attached to a ski-fixed holding part 42. It is thereby achieved that there can only be contact between the contact piece 22 and the counter contact 24 if the extension 41 of the jaw 40 has approached the ski-fixed holding part 42 sufficiently far. However, this is only the case with a shoe 43 held in the binding, so that when the skis provided with such a binding are merely transported, no contact can be made in the acceleration switch 10 and thus no switching through of the electronic switch 3.
  • the mating contact 24 ' is fixed in the insulating tube 23 and is always located in the range of movement of the contact piece 22.
  • an insulator 25 with a circumferential, axially projecting edge or at least three axially projecting approaches. This insulator 25 is held axially displaceably against the mating contact 24 ', the peripheral edge being insertable into the annular gap between the contact piece 22 and mating contact 24' and being removable therefrom.
  • the insulator 25 is expediently fastened to a part connected to or moving with the jaw 40, whereas the insulating tube 23 of the acceleration switch is fastened to a holding part fixed to the ski.
  • the attachment must be such that the distance between these parts increases when entering the binding.
  • the connecting piece 20 and the mating contact are likewise arranged rigidly in the insulating tube 23, but a switch 26 is provided in the connecting line to one of these two parts, which switch is actuated when entering the binding, or it closes as soon as the shoe is anchored in the binding or as soon as the shoe has approached its position anchored in the binding sufficiently.
  • This arrangement also ensures that e.g. Acceleration forces occurring during the transport of the skis do not lead to the electronic switch 3 being switched on.

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP82101526A 1981-03-10 1982-02-27 Fixation de sécurité pour ski Expired EP0059906B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0111081A AT371014B (de) 1981-03-10 1981-03-10 Sicherheitsschibindung
AT1110/81 1981-03-10

Publications (2)

Publication Number Publication Date
EP0059906A1 true EP0059906A1 (fr) 1982-09-15
EP0059906B1 EP0059906B1 (fr) 1984-08-22

Family

ID=3506797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82101526A Expired EP0059906B1 (fr) 1981-03-10 1982-02-27 Fixation de sécurité pour ski

Country Status (5)

Country Link
US (1) US4482168A (fr)
EP (1) EP0059906B1 (fr)
JP (1) JPS57160482A (fr)
AT (1) AT371014B (fr)
DE (1) DE3260591D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497910A (en) * 1994-05-05 1996-03-12 Allergan, Inc. Dropwise liquid dispensing system particularly suitable for liquids having low surface tension

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931120A1 (de) * 1979-07-31 1981-02-26 Marker Hannes Verfahren zum ausloesen von elektronischen sicherheits-skibindungen durch umsetzung der gemessenen analogsignale in analoge frequenzen
AT375833B (de) * 1982-10-19 1984-09-10 Tyrolia Freizeitgeraete Ausloesemechanismus fuer eine sicherheitsskibindung
DE3408129A1 (de) * 1984-03-06 1985-09-12 Marker Patentverwertungsgesellschaft mbH, Baar Elektronische skibindung und verfahren zu deren betrieb
US4785197A (en) * 1987-08-20 1988-11-15 Pulse Electronics, Inc. Tilt switch
US5156413A (en) * 1989-07-26 1992-10-20 Juhasz Paul R Ski device
US5308102A (en) * 1991-03-27 1994-05-03 Bildner Heinz H Elastic locking device, especially a heel portion of a safety ski binding
DE9111214U1 (de) * 1991-09-10 1992-11-12 Marker Deutschland GmbH, 8116 Eschenlohe Sicherheits-Skibindung mit einer elektronischen Schaltung
DE50108385D1 (de) * 2001-07-05 2006-01-19 Hans-Ulrich Kessler Sicherheitsbindung zum Halten einer Person oder eines Gegenstandes auf einem weiteren Gegenstand
AT502889B1 (de) * 2003-01-29 2009-09-15 Atomic Austria Gmbh Schibindung mit einem vorder- und einem fersenbacken und einer elektronischen schaltungsanordnung sowie einer anzeigevorrichtung
FR2892314B1 (fr) * 2005-10-20 2010-10-15 Salomon Sa Fixation de securite
US9305120B2 (en) 2011-04-29 2016-04-05 Bryan Marc Failing Sports board configuration

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139557A1 (de) * 1970-10-14 1972-04-20 Wiener Metallwarenfabrik Smolka & Co, Wien Skibindung
DE2244949A1 (de) * 1972-09-13 1974-03-21 Hannes Marker Verfahren und vorrichtung zur freigabe eines skischuhes vom ski
DE2705174A1 (de) * 1976-02-10 1977-08-11 Salomon & Fils F Mit einem schuh verbindbarer sportartikel
DE2736027A1 (de) * 1976-09-02 1978-03-09 Salomon & Fils F Sicherheitsskibindung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717467A (en) * 1926-12-27 1929-06-18 Jacob J Goergen Electric circuit closer
US1742685A (en) * 1927-04-05 1930-01-07 Arthur H Brandon Weight support for vibratory controls
US3073922A (en) * 1959-08-07 1963-01-15 Kenneth W Miller Acceleration devices and indicating apparatus
US3577208A (en) * 1969-07-03 1971-05-04 John T Petrick Electrostatic grounding probe for use in explosive atmospheres
GB1256638A (fr) * 1969-08-02 1971-12-08
DE2461342C3 (de) * 1974-12-24 1978-09-28 Kodak Ag, 7000 Stuttgart Batterieprufeinrichtung und ihre Verwendung
US4146829A (en) * 1977-11-21 1979-03-27 Gte Automatic Electric Laboratories Incorporated Battery dissipation limiter circuit
EP0006129A1 (fr) * 1978-06-21 1980-01-09 Voll, Walter, Ing. grad. Circuit de temporisation pour l'éclairage intérieur d'un véhicule

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2139557A1 (de) * 1970-10-14 1972-04-20 Wiener Metallwarenfabrik Smolka & Co, Wien Skibindung
DE2244949A1 (de) * 1972-09-13 1974-03-21 Hannes Marker Verfahren und vorrichtung zur freigabe eines skischuhes vom ski
DE2705174A1 (de) * 1976-02-10 1977-08-11 Salomon & Fils F Mit einem schuh verbindbarer sportartikel
DE2736027A1 (de) * 1976-09-02 1978-03-09 Salomon & Fils F Sicherheitsskibindung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497910A (en) * 1994-05-05 1996-03-12 Allergan, Inc. Dropwise liquid dispensing system particularly suitable for liquids having low surface tension

Also Published As

Publication number Publication date
ATA111081A (de) 1982-10-15
JPS57160482A (en) 1982-10-02
EP0059906B1 (fr) 1984-08-22
DE3260591D1 (en) 1984-09-27
JPH0356749B2 (fr) 1991-08-29
US4482168A (en) 1984-11-13
AT371014B (de) 1983-05-25

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