EP0554426B1 - Safety ski binding - Google Patents

Safety ski binding Download PDF

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Publication number
EP0554426B1
EP0554426B1 EP92917652A EP92917652A EP0554426B1 EP 0554426 B1 EP0554426 B1 EP 0554426B1 EP 92917652 A EP92917652 A EP 92917652A EP 92917652 A EP92917652 A EP 92917652A EP 0554426 B1 EP0554426 B1 EP 0554426B1
Authority
EP
European Patent Office
Prior art keywords
coupling
sleeve
electric motor
spring
ski binding
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.)
Expired - Lifetime
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EP92917652A
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German (de)
French (fr)
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EP0554426A1 (en
Inventor
Henry Freisinger
Heinz Wittmann
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.)
HTM Sport und Freizeitgerate GmbH
Original Assignee
TYROLIA FREIZEITGERAETE
HTM Sport und Freizeitgerate GmbH
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Publication date
Application filed by TYROLIA FREIZEITGERAETE, HTM Sport und Freizeitgerate GmbH filed Critical TYROLIA FREIZEITGERAETE
Publication of EP0554426A1 publication Critical patent/EP0554426A1/en
Application granted granted Critical
Publication of EP0554426B1 publication Critical patent/EP0554426B1/en
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    • 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 a releasable jaw, in which at least one holding member engaging a ski shoe to be held is held in its holding position by a two-part holding part, on one part of which a spring determining the holding force, supported on a housing part, engages and the latter second part engages on or on the holding member (s), these two parts being releasable with one another via a coupling device or at least connected in a movement-locking manner in the direction of the force of the spring, which coupling device is controlled by an evaluation circuit processing signals from at least one force transducer , reversible electric motor is controlled in its direction of rotation.
  • the coupling device has overlapping sections of the two, coaxially arranged parts of the holding part, in the area of which coupling bodies, preferably balls, are held on the overlapping section having an inclined shoulder, and in the overlapping section openings, the size of which is large the coupling body corresponds at least, are arranged.
  • This overlapping section is surrounded by a sleeve which has at least one clearance on its inner wall for receiving the coupling body, which covers the openings of the overlapping section in the released position of the coupling device and can accommodate the coupling body.
  • the sleeve itself is axially displaceable by an electric motor which is acted upon by a circuit which detects the forces acting on the binding.
  • the aim of the invention is to avoid these disadvantages and to propose a binding of the type mentioned at the beginning, in which it is possible to find out with a small and only little energy-consuming electric motor and nevertheless a high degree of safety against tripping is ensured even in the event of icing.
  • the coupling device is pretensioned with a coupling spring against its disengaged position in which the positive connection between the two parts of the holding part is released.
  • coupling bodies preferably balls
  • this overlapping section is surrounded by a sleeve which has at least one clearance on its inner wall for receiving the coupling body, which can cover the openings of the overlapping section and receive the coupling body in the released position of the coupling device
  • the coupling spring engages the sleeve in the circumferential direction and furthermore on a pawl part which is pivotally held and cooperates with the sleeve engages, wherein the shaft of the electric motor can be brought into drive connection, optionally via a transmission member with the pawl part and the sleeve.
  • the transmission member and the pawl part are arranged on the shaft of the electric motor, the former being held non-rotatably and the latter being rotatable.
  • the pawl part is substantially L-shaped, one leg cooperating with a radially protruding shoulder of the same, or can be brought into abutment against it and the second leg at in Release direction rotating shaft of the electric motor with an eccentric approach to the same or the transmission member can be brought into engagement.
  • the device monitoring the position of the shaft of the electric motor can be provided by position sensors which are arranged at certain points around the shaft and are connected to a corresponding evaluation circuit, or by a stepping motor which is used to drive the shaft controlling the transmission element is, and a corresponding control circuit is formed with a counter counting the individual steps of the stepping motor, the outputs of which cause a corresponding reversal and stopping of the stepping motor.
  • position sensors can be dispensed with, which also eliminates the need for adjustment work.
  • the transmission member is essentially cam-like and, when the shaft of the electric motor rotates in the direction of engagement of the clutch arrangement, comes to rest on and protrude from an extension thereof projecting in the radial direction from the sleeve, which preferably also engages the clutch spring the sleeve rotates against the force of the clutch spring.
  • the binding has two holding members which can be pivoted about axles 1 fixed to the housing and which serve as sole holders 2 and are L-shaped. These have an essentially L-shaped cross section and their legs, which run essentially parallel to the surface of the ski, overlap the sole of a ski boot.
  • the shorter legs 3 of the sole holder 2 are overlapped by a pressure plate 4 which is arranged on the end face of a two-part pull rod 5 serving as a holding part.
  • This pull rod 5 passes through a wall 6 of the housing of the jaw which runs essentially perpendicular to the ski surface and the longitudinal extent of the ski and is held displaceably in the latter.
  • the two parts 7 and 8 of the two-part tie rod 5 can be connected to one another via a coupling 9.
  • the part 8 of the two-part pull rod 5 is provided with a collar 10 and is axially displaceably guided in a bore in a further wall 11 of the housing of the jaw, which is essentially perpendicular to the surface of the ski and perpendicular to its longitudinal extent.
  • a spring 12 is supported, which is further supported on a further wall 13 which extends essentially perpendicular to the surface of the ski and perpendicular to its longitudinal extension and is designed as a compression spring.
  • the coupling 9 consists essentially of a sleeve 14 which passes through the wall 13 with play. 2 to 4, which show a view of the coupling 9 in the direction of the sole holder 2 with the wall 13 and the spring 12 omitted, this sleeve 14 is provided with four axially extending grooves 15 machined into its inner wall.
  • the sleeve 14 is provided with a cam-like extension 16 on which a clutch spring 17 engages, the second end of which is suspended in a pawl part 18.
  • the clutch spring 17 engages with one end in a bore 19 of the shoulder 16.
  • the cam-like extension 16 has a support shoulder 20 which interacts with a corresponding recess 21 on the pawl part 18.
  • the part 7 of the two-part pull rod 5 engages in the sleeve 14 and has a section 22 which is designed as a head and has a bore 23 which is open on its free end face.
  • the head 22 is guided with little play in the sleeve 14 and held axially displaceable therein.
  • this bore 23 engages the second part 8 of the two-part tie rod 5, which is also provided with a section 24 designed as a head, which merges into the remaining area of part 8 via a conical lateral surface 25.
  • Coupling bodies 26, which are designed as balls, are in contact with this conical lateral surface 25 of part 8 and are guided in radial bores 27 of head 22.
  • the position of the bores 27 is determined by the pressure plate 4 connected to the part 7 in a rotationally fixed manner, which has an essentially rectangular shape and can slide along a base plate 28, whereby rotation of the pressure plate 4 and thus of the part 7 is prevented.
  • the grooves 15 cover the bores 27 of the head 22.
  • the coupling bodies 26 can therefore be pushed radially outwards by the conical outer surface 25 of the head 24 of the part 8 are, whereby the positive connection is released and a transmission of tensile forces via the coupling 9 is practically no longer possible.
  • all that is required to pivot the sole holder 2 is to overcome the force of a relatively weak return spring 29, which is supported on the shoulder of the head 22 and the wall 6 and is designed as a compression spring.
  • the control of the clutch 9 can be seen better from FIG. 5.
  • the pawl part 18 is loosely rotatable on a drive shaft 30 which passes through the wall 13.
  • the electric motor 31 driving the drive shaft 30 is arranged between the walls 13 and 11 of the housing and is provided with an attached gear.
  • a transmission member 31 is held in a rotationally fixed manner on this drive shaft 30.
  • This transmission member 31 has a driver 32 which cooperates with the pawl part 18, which is substantially L-shaped.
  • the driver 32 of the transmission member 31 bears against the shorter leg of the pawl part 18.
  • the drive shaft 30 is rotated by the clutch spring 17 in the direction of arrow R.
  • the control edge 35 of the transmission member 31 comes to rest against the cam 36 of the extension 16 and rotates it back together with the sleeve 14 until the position shown in FIG. 4 is reached and the support shoulder 20 of the extension 16 into the recess 21 of the pawl part 18 snaps into place.
  • the electric motor 37 rotates the drive shaft 30 and thus the transmission member 31 back into the position shown in FIG. 2, in which the driver 32 rests on the pawl part 18 or only a very small gap remains between the latter and the driver 32 to be able to trigger the jack part 18 after a short distance.
  • the electric motor 37 can be controlled via corresponding position sensors which, for example, detect the position of the transmission element 31 and thus that of the drive shaft 30 and reverse the direction of rotation of the electric motor 37 as soon as it receives a trigger signal which processes it in a known manner by signals from force transducers Evaluation circuit, which can be designed, for example, according to DE-OS 25 19 544, has traveled a sufficient distance in the triggering direction (arrow A) for triggering.
  • the trigger signal which is in itself only available for a very short period of time from such an evaluation circuit can be maintained, for example, by means of a monostable multivibrator circuit for a sufficiently long time, for example 20 seconds.
  • a further reversal of the direction of rotation takes place after reaching the position of the transmission member 31 or the drive shaft 30 shown in FIG. 4. After reaching the rest position shown in FIG. 2, in which the driver 32 is very close to the shorter leg of the pawl part 18 the electric motor is shut down.
  • the position of the drive shaft 30 or the transmission element 31 can also be monitored without a position sensor.
  • the electric motor 37 can be designed as a stepping motor, which is controlled via a control circuit that can be triggered by a trigger signal and that defines the above-mentioned sequence in the form of certain number of steps in both directions.
  • the triggering can take place very quickly due to the small required travel of the drive shaft 30, the relatively strong coupling spring 17 for rapid rotation of the sleeve 14 even in difficult conditions, such as e.g. with ice buildup.
  • the binding can be reset to the usable state after a release, since after a skier falls, a time span of approx. 20 to 30 seconds can be expected before he is able to get back into the binding. Since the opening of the clutch spring 17 can take place at a very low speed when the sleeve 14 is reset, since at least 30 seconds elapse between a fall with the binding being released and re-entry into it, the electric motor need only have a correspondingly low output, so that it is small can be built.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A safety ski binding with a releasable jaw has at least one retaining member that engages a ski boot to be retained and that is held in its retaining position by a two-piece retaining part. A spring supported on a housing part engages the first piece of the retaining part and determines the retaining force; the second piece of the retaining part engages the retaining organ(s). Both pieces of the retaining part can be releasably linked to each other by a coupling arrangement (9) or at least so as to move together in the direction in which the force of the spring (12) is exerted. The coupling arrangement (9) is controlled by a reversible electric motor (37) controlled by an evaluation circuit that processes the signals from at least one force transducer. In order to reset such a binding with minimal forces, once it has been released, the coupling arrangement (9) is prestressed by a coupling spring (17) against its released position, in which the link between both pieces (7, 8) of the retaining part (5) so as to move them together is no longer ensured.

Description

Die Erfindung bezieht sich auf eine Sicherheitsskibindung mit einem auslösbaren Backen, bei dem mindestens ein an einem zu haltenden Skischuh angreifendes Halteorgan in dessen Haltestellung von einem zweiteiligen Halteteil gehalten ist, an dessen einem Teil eine die Haltekraft bestimmende, an einem Gehäuseteil abgestützte Feder angreift und dessen zweiter Teil an dem, bzw. an den Halteorgan(en) angreift, wobei diese beiden Teile über eine Kupplungseinrichtung miteinander lösbar bzw. zumindest in Richtung der Kraftwirkung der Feder bewegungsschlüssig verbindbar sind, welche Kupplungseinrichtung von einem von einer Signale mindestens eines Kraftaufnehmers verarbeitenden Auswerteschaltung gesteuerten, in seiner Drehrichtung umsteuerbaren Elektromotor gesteuert ist.The invention relates to a safety ski binding with a releasable jaw, in which at least one holding member engaging a ski shoe to be held is held in its holding position by a two-part holding part, on one part of which a spring determining the holding force, supported on a housing part, engages and the latter second part engages on or on the holding member (s), these two parts being releasable with one another via a coupling device or at least connected in a movement-locking manner in the direction of the force of the spring, which coupling device is controlled by an evaluation circuit processing signals from at least one force transducer , reversible electric motor is controlled in its direction of rotation.

Eine solche Bindung wurde z.B. durch die AT-PS 375 833 bekannt. Bei dieser bekannten Lösung weist die Kupplungseinrichtung einander übergreifende Abschnitte der beiden, koaxial zueinander angeordneten Teile des Halteteiles auf, in deren Bereich Kupplungskörper, vorzugsweise Kugeln, auf dem eine schräg verlaufende Schulter aufweisenden übergriffenen Abschnitt gehalten sind und im übergreifenden Abschnitt Durchbrüche, deren Größe der Größe der Kupplungskörper zumindest entspricht, angeordnet sind. Dieser übergreifende Abschnitt ist von einer Hülse umgeben, die an ihrer Innenwand zumindest eine Freistellung zur Aufnahme der Kupplungskörper aufweist, die in der ausgelösten Stellung der Kupplungseinrichtung die Durchbrüche des übergreifenden Abschnittes überdeckt und die Kupplungskörper aufnehmen kann. Die Hülse selbst ist von einem Elektromotor axial verschiebbar der von einer die auf die Bindung einwirkenden Kräfte erfassenden Schaltung beaufschlagt ist.Such binding was e.g. known from AT-PS 375 833. In this known solution, the coupling device has overlapping sections of the two, coaxially arranged parts of the holding part, in the area of which coupling bodies, preferably balls, are held on the overlapping section having an inclined shoulder, and in the overlapping section openings, the size of which is large the coupling body corresponds at least, are arranged. This overlapping section is surrounded by a sleeve which has at least one clearance on its inner wall for receiving the coupling body, which covers the openings of the overlapping section in the released position of the coupling device and can accommodate the coupling body. The sleeve itself is axially displaceable by an electric motor which is acted upon by a circuit which detects the forces acting on the binding.

Bei dieser im wesentlichen nach dem sogenannten Federzangenprinzip arbeitenden Bindungen muß die zum Verschieben der Hülse erforderliche Kraft, die im Falle einer Vereisung relativ groß sein kann, von dem Elektromotor aufgebracht werden. Dadurch ist es erforderlich, diesen entsprechend kräftig auszubilden, da ja die Auslösung im Bedarfsfalle sehr rasch erfolgen muß.In these bindings, which operate essentially according to the so-called spring pliers principle, the force required to move the sleeve, which can be relatively large in the event of icing, must be applied by the electric motor. As a result, it is necessary to train them appropriately vigorously, since they must be triggered very quickly if necessary.

Ziel der Erfindung ist es, diese Nachteile zu vermeiden und eine Bindung der eingangs erwähnten Art vorzuschlagen, bei der mit einem kleinen und nur wenig Energie erfordernden Elektromotor das Auslangen gefunden werden kann und trotzdem ein hohes Maß an Auslösesicherheit auch im Falle einer Vereisung gewährleistet ist.The aim of the invention is to avoid these disadvantages and to propose a binding of the type mentioned at the beginning, in which it is possible to find out with a small and only little energy-consuming electric motor and nevertheless a high degree of safety against tripping is ensured even in the event of icing.

Erfindungsgemäß wird dies dadurch erreicht, daß die Kupplungseinrichtung mit einer Kupplungsfeder gegen ihre ausgerückte Stellung, in der die bewegungsschlüssige Verbindung der beiden Teile des Halteteiles gelöst ist, vorgespannt ist.This is achieved according to the invention in that the coupling device is pretensioned with a coupling spring against its disengaged position in which the positive connection between the two parts of the holding part is released.

Durch diese Maßnahmen ist es möglich, die Kupplungsfeder relativ kräftig auszubilden und diese nach einer Auslösung über den Elektromotor zu spannen um die Kupplungseinrichtung einzurücken. Dies kann aber relativ langsam, z.B. innerhalb von 10 bis 20sec erfolgen, sodaß mit einem sehr kleinen und schwachen Elektromotor das Auslangen gefunden werden kann, der entsprechend untersetzt werden kann.These measures make it possible to make the clutch spring relatively strong and, after it has been triggered, to tension it over the electric motor in order to engage the clutch device. However, this can be relatively slow, e.g. take place within 10 to 20 seconds, so that with a very small and weak electric motor it is possible to find out what can be reduced accordingly.

Bei einer erfindungsgemäßen Skibindung, bei der die Kupplungseinrichtung einander übergreifende Abschnitte der beiden, koaxial zueinander angeordneten Teile des Halteteiles aufweist, in deren Bereich Kupplungskörper, vorzugsweise Kugeln, auf dem eine schräg verlaufende Schulter aufweisenden übergriffenen Abschnitt gehalten und im übergreifenden Abschnitt Durchbrüche, deren Größe der Größe der Kupplungskörper zumindest entspricht, angeordnet sind und dieser übergreifende Abschnitt von einer Hülse umgeben ist, die an ihrer Innenwand zumindest eine Freistellung zur Aufnahme der Kupplungskörper aufweist, die in der ausgelösten Stellung der Kupplungseinrichtung die Durchbrüche des übergreifenden Abschnittes überdecken und die Kupplungskörper aufnehmen, kann nach einem weiteren Merkmal der Erfindung vorgesehen sein, daß die Kupplungsfeder an der Hülse in Umfangsrichtung angreift und weiters an einem mit der Hülse zusammenwirkenden, schwenkbar gehaltenen Klinkenteil angreift, wobei die Welle des Elektromotors, gegebenenfalls über ein Übertragungsglied mit dem Klinkenteil und der Hülse in Antriebsverbindung bringbar ist.In a ski binding according to the invention, in which the coupling device has overlapping sections of the two parts of the holding part arranged coaxially to one another, coupling bodies, preferably balls, are held in their area on the overlapping section having an oblique shoulder and openings in the overlapping section, the size of which Size of the coupling body at least corresponds, are arranged and this overlapping section is surrounded by a sleeve which has at least one clearance on its inner wall for receiving the coupling body, which can cover the openings of the overlapping section and receive the coupling body in the released position of the coupling device According to a further feature of the invention, it may be provided that the coupling spring engages the sleeve in the circumferential direction and furthermore on a pawl part which is pivotally held and cooperates with the sleeve engages, wherein the shaft of the electric motor can be brought into drive connection, optionally via a transmission member with the pawl part and the sleeve.

Auf diese Weise ergibt sich ein sehr einfacher Aufbau der Kupplungseinrichtung, wobei die für die Herstellung bzw. Lösung einer bewegungsschlüssigen Verbindung der beiden Teile des Halteteiles wesentliche Hülse durch den Klinkenteil einfach in ihrer von der Feder belasteten eingerückten Stellung gehalten und aus dieser über einen kurzen Weg freigegeben werden kann.This results in a very simple construction of the coupling device, the sleeve essential for the production or solution of a movement-locking connection of the two parts of the holding part simply being held in its engaged position by the pawl part and out of it over a short distance can be released.

Weiters kann vorgesehen sein, daß das Übertragungsglied und der Klinkenteil auf der Welle des Elektromotors angeordnet sind, wobei der erstere unverdrehbar und der letztere verdrehbar gehalten sind.Furthermore, it can be provided that the transmission member and the pawl part are arranged on the shaft of the electric motor, the former being held non-rotatably and the latter being rotatable.

Durch diese Maßnahmen wird ein sehr einfacher und kompakter Aufbau ermöglicht.These measures enable a very simple and compact structure.

Nach einem weiteren Merkmal der Erfindung kann vorgesehen sein, daß der Klinkenteil im wesentlichen L-förmig ausgebildet ist, wobei der eine Schenkel mit einem radial von der Hülse abstehenden Ansatz derselben zusammenwirkt, bzw. an diesem zur Anlage bringbar ist und der zweite Schenkel bei in Auslöserichtung drehender Welle des Elektromotors mit einem exzentrischen Ansatz derselben oder des Übertragungsgliedes in Eingriff bringbar ist.According to a further feature of the invention it can be provided that the pawl part is substantially L-shaped, one leg cooperating with a radially protruding shoulder of the same, or can be brought into abutment against it and the second leg at in Release direction rotating shaft of the electric motor with an eccentric approach to the same or the transmission member can be brought into engagement.

Dies ermöglicht eine einfache Betätigung der Hülse, wobei nach dem Erreichen der eingerückten Stellung der Hülse, in der es zu einer Verrastung des Klinkenteiles mit dem entsprechenden Ansatz der Hülse kommt, das Übertragungsglied wieder zurückgedreht werden kann.This enables simple actuation of the sleeve, and after reaching the engaged position of the sleeve, in which there is a latching of the pawl part with the corresponding extension of the sleeve, the transmission member can be turned back again.

Dabei kann weiters vorgesehen sein, daß eine bestimmte Stellungen der Welle des Elektromotors überwachende Einrichtung vorgesehen ist.It can further be provided that a certain position of the shaft of the electric motor monitoring device is provided.

Dies ermöglicht es den Elektromotor beim Einrücken der Kupplungseinrichtung bis zu einer bestimmten Stellung der Welle, bzw. des Übertragungsgliedes laufen zu lassen, bei der es zu einem sicheren Verrasten des Klinkenteiles kommt, und anschließend den Elektromotor wieder zurückzudrehen, um seine Welle bzw. das Übertragungsglied in eine Stellung zu bringen, von der aus der Klinkenteil aus seiner verrasteten Stellung, in der er die Hülse in einer eine Verbindung der beiden Teile des Halteteiles sichernden Stellung hält, rasch herausbewegt werden kann.This enables the electric motor to run when the clutch device is engaged up to a certain position of the shaft or the transmission member, at which the pawl part is securely locked, and then to turn the electric motor back again to its shaft or the transmission member to be brought into a position from which the latch part can be quickly moved out of its latched position, in which it holds the sleeve in a position ensuring a connection of the two parts of the holding part.

Die zur Überwachung der Stellung der Welle des Elektromotors überwachende Einrichtung kann durch Positionsfühler, die an bestimmten Stellen rund um die Welle ortsfest angeordnet und mit einer entsprechenden Auswerteschaltung verbunden sind, oder aber auch durch eine Schrittschaltmotor, der für den Antrieb der das Übertragungsglied steuernden Welle vorgesehen ist, und eine entsprechende Ansteuerschaltung mit einem die einzelnen Schritte des Schrittschaltmotors zählenden Zähler gebildet sein, dessen Ausgänge eine entsprechende Umsteuerung und Stillsetzung des Schrittschaltmotors bewirken. In letzterem Fall kann auf die Anordnung von Positionsfühlern verzichtet werden, wodurch sich auch Justierarbeiten erübrigen.The device monitoring the position of the shaft of the electric motor can be provided by position sensors which are arranged at certain points around the shaft and are connected to a corresponding evaluation circuit, or by a stepping motor which is used to drive the shaft controlling the transmission element is, and a corresponding control circuit is formed with a counter counting the individual steps of the stepping motor, the outputs of which cause a corresponding reversal and stopping of the stepping motor. In the latter case, position sensors can be dispensed with, which also eliminates the need for adjustment work.

Weiters kann vorgesehen sein, daß das Übertragungsglied im wesentlichen nockenartig ausgebildet ist und bei sich in Einrückrichtung der Kupplungsanordnung drehender Welle des Elektromotors an einem in radialer Richtung von der Hülse abstehenden Ansatz derselben, an dem vorzugsweise auch die Kupplungsfeder angreift, zur Anlage kommt und über diesen die Hülse entgegen der Kraft der Kupplungsfeder verdreht.Furthermore, it can be provided that the transmission member is essentially cam-like and, when the shaft of the electric motor rotates in the direction of engagement of the clutch arrangement, comes to rest on and protrude from an extension thereof projecting in the radial direction from the sleeve, which preferably also engages the clutch spring the sleeve rotates against the force of the clutch spring.

Auf diese Weise ergibt sich eine sehr einfacher Aufbau der Kupplungseinrichtung.This results in a very simple construction of the coupling device.

Die Erfindung wird nun anhand der Zeichnung näher erläutert. Dabei zeigen:

  • Fig. 1 schematisch einen Schnitt durch eine erfindungsgemäße Bindung,
  • Fig. 2 bis 4 schematisch die Kupplung in verschiedenen Stellungen, und
  • Fig. 5 einen Schnitt nach der Linie V-V in der Fig. 1.
The invention will now be explained in more detail with reference to the drawing. Show:
  • 1 schematically shows a section through a binding according to the invention,
  • Fig. 2 to 4 schematically the clutch in different positions, and
  • 5 shows a section along the line VV in FIG. 1st

Die Bindung weist zwei um gehäusefeste Achsen 1 schwenkbare Halteorgane auf, die als Sohlenhalter 2 dienen und L-förmig ausgebildet sind. Diese weisen einen im wesentlichen L-förmigen Querschnitt auf und übergreifen mit ihrem im wesentlichen parallel zur Oberfläche des Skis verlaufenden Schenkel die Sohle eines Skischuhs.The binding has two holding members which can be pivoted about axles 1 fixed to the housing and which serve as sole holders 2 and are L-shaped. These have an essentially L-shaped cross section and their legs, which run essentially parallel to the surface of the ski, overlap the sole of a ski boot.

Die kürzeren Schenkel 3 der Sohlenhalter 2 sind von einer Druckplatte 4 übergriffen, die an der Stirnseite einer als Halteteil dienenden zweiteiligen Zugstange 5 angeordnet ist.The shorter legs 3 of the sole holder 2 are overlapped by a pressure plate 4 which is arranged on the end face of a two-part pull rod 5 serving as a holding part.

Diese Zugstange 5 durchsetzt eine im wesentlichen senkrecht zur Skioberfläche und der Längserstreckung des Skis verlaufende Wand 6 des Gehäuses des Backens und ist in diesem verschiebbar gehalten.This pull rod 5 passes through a wall 6 of the housing of the jaw which runs essentially perpendicular to the ski surface and the longitudinal extent of the ski and is held displaceably in the latter.

Die beiden Teile 7 und 8 der zweiteiligen Zugstange 5 sind über eine Kupplung 9 miteinander verbindbar.The two parts 7 and 8 of the two-part tie rod 5 can be connected to one another via a coupling 9.

Der Teil 8 der zweiteiligen Zugstange 5 ist mit einem Bund 10 versehen und ist in einer Bohrung einer weiteren im wesentlichen senkrecht zur Oberfläche des Skis und senkrecht zu dessen Längserstreckung verlaufenden Wand 11 des Gehäuses des Backens axial verschiebbar geführt.The part 8 of the two-part pull rod 5 is provided with a collar 10 and is axially displaceably guided in a bore in a further wall 11 of the housing of the jaw, which is essentially perpendicular to the surface of the ski and perpendicular to its longitudinal extent.

An diesem Bund 10 der Zugstange 5, bzw. deren Teiles 8 ist eine Feder 12 abgestützt, die weiters an einer weiteren im wesentlichen senkrecht zur Oberfläche des Skis und senkrecht zu dessen Längserstreckung verlaufenden Wand 13 abgestützt ist und als Druckfeder ausgebildet ist.On this collar 10 of the tie rod 5, or its part 8, a spring 12 is supported, which is further supported on a further wall 13 which extends essentially perpendicular to the surface of the ski and perpendicular to its longitudinal extension and is designed as a compression spring.

Die Kupplung 9 besteht im wesentlichen aus einer Hülse 14, die die Wand 13 mit Spiel durchsetzt. Diese Hülse 14 ist, wie die Fig. 2 bis 4, die eine Ansicht der Kupplung 9 in Richtung auf die Sohlenhalter 2 unter Weglassung der Wand 13 und der Feder 12 zeigen, mit vier in ihre Innenwand eingearbeitete axial verlaufende Nuten 15 versehen. Außerdem ist die Hülse 14 mit einem nockenartigen Ansatz 16 versehen, an dem eine Kupplungsfeder 17 angreift, deren zweites Ende in einem Klinkenteil 18 eingehängt ist. Dabei greift die Kupplungsfeder 17 mit ihrem einen Ende in eine Bohrung 19 des Ansatzes 16 ein.The coupling 9 consists essentially of a sleeve 14 which passes through the wall 13 with play. 2 to 4, which show a view of the coupling 9 in the direction of the sole holder 2 with the wall 13 and the spring 12 omitted, this sleeve 14 is provided with four axially extending grooves 15 machined into its inner wall. In addition, the sleeve 14 is provided with a cam-like extension 16 on which a clutch spring 17 engages, the second end of which is suspended in a pawl part 18. The clutch spring 17 engages with one end in a bore 19 of the shoulder 16.

Der nockenartige Ansatz 16 weist eine Stützschulter 20 auf, die mit einer entsprechenden Ausnehmung 21 an dem Klinkenteil 18 zusammenwirkt.The cam-like extension 16 has a support shoulder 20 which interacts with a corresponding recess 21 on the pawl part 18.

Der Teil 7 der zweiteiligen Zugstange 5 greift in die Hülse 14 ein und weist einen als Kopf ausgebildeten Abschnitt 22 auf, der eine an dessen freier Stirnseite offenen Bohrung 23 aufweist. Dabei ist der Kopf 22 mit geringem Spiel in der Hülse 14 geführt und in dieser axial verschiebbar gehalten.The part 7 of the two-part pull rod 5 engages in the sleeve 14 and has a section 22 which is designed as a head and has a bore 23 which is open on its free end face. The head 22 is guided with little play in the sleeve 14 and held axially displaceable therein.

In diese Bohrung 23 greift der zweite Teil 8 der zweiteiligen Zugstange 5 ein, der ebenfalls mit einem als Kopf ausgebildeten Abschnitt 24 versehen ist, der über eine kegelige Mantelfläche 25 in den übrigen Bereich des Teiles 8 übergeht. An dieser kegeligen Mantelfläche 25 des Teiles 8 liegen Kupplungskörper 26, die als Kugeln ausgebildet sind, an, die in radialen Bohrungen 27 des Kopfes 22 geführt sind. Dabei ist die Lage der Bohrungen 27 durch die drehfest mit dem Teil 7 verbundenen Druckplatte 4 festgelegt, die eine im wesentlichen rechteckige Form aufweist und an einer Grundplatte 28 entlanggleiten kann, wobei eine Verdrehung der Druckplatte 4 und damit des Teiles 7 verhindert ist.In this bore 23 engages the second part 8 of the two-part tie rod 5, which is also provided with a section 24 designed as a head, which merges into the remaining area of part 8 via a conical lateral surface 25. At Coupling bodies 26, which are designed as balls, are in contact with this conical lateral surface 25 of part 8 and are guided in radial bores 27 of head 22. The position of the bores 27 is determined by the pressure plate 4 connected to the part 7 in a rotationally fixed manner, which has an essentially rectangular shape and can slide along a base plate 28, whereby rotation of the pressure plate 4 and thus of the part 7 is prevented.

In der in der Fig. 1 dargestellten gekuppelten Stellung der Kupplung 9 sind, wie aus der Fig. 2 zu ersehen ist, die Nuten 15 der Hülse 14 gegenüber den radialen die Kupplungskörper 26 verschiebbar haltenden Bohrungen 27 des Kopfes 22 verschwenkt, sodaß die Kupplungskörper nicht radial nach außen ausweichen können und die kegelige Mantelfläche 25 des Kopfes 24 des Teiles 8 übergreifen. Dadurch kommt es über die Kupplungskörper zu einer eine Übertragung von Zugkräften ermöglichenden Verbindung zwischen den beiden Teilen 7 und 8 der zweiteiligen Zugstange 5.In the coupled position of the coupling 9 shown in FIG. 1, as can be seen from FIG. 2, the grooves 15 of the sleeve 14 are pivoted relative to the radial bores 27 of the head 22, which hold the coupling body 26 displaceably, so that the coupling body does not can escape radially outwards and overlap the conical outer surface 25 of the head 24 of the part 8. This results in a connection between the two parts 7 and 8 of the two-part pull rod 5 that enables a transmission of tensile forces via the coupling body.

Ein Verschwenken der beiden Sohlenhalter 2 ist daher nur unter Überwindung der Kraft der Feder 12 möglich.A pivoting of the two sole holders 2 is therefore only possible by overcoming the force of the spring 12.

Kommt dagegen die Hülse 14 durch Verdrehen in die aus der Fig. 3 ersichtlich Lage, so überdekken deren Nuten 15 die Bohrungen 27 des Kopfes 22. Es können daher die Kupplungskörper 26 durch die kegelige Mantelfläche 25 des Kopfes 24 des Teiles 8 radial nach außen gedrängt werden, wodurch der Formschluß gelöst wird und eine Übertragung von Zugkräften über die Kupplung 9 praktisch nicht mehr möglich ist. In diesem Falle ist für ein Verschwenken der Sohlenhalter 2 lediglich die Überwindung der Kraft einer relativ schwachen Rückstellfeder 29 erforderlich, die an der Schulter des Kopfes 22 und der Wand 6 abgestützt und als Druckfeder ausgebildet ist.3, the grooves 15 cover the bores 27 of the head 22. The coupling bodies 26 can therefore be pushed radially outwards by the conical outer surface 25 of the head 24 of the part 8 are, whereby the positive connection is released and a transmission of tensile forces via the coupling 9 is practically no longer possible. In this case, all that is required to pivot the sole holder 2 is to overcome the force of a relatively weak return spring 29, which is supported on the shoulder of the head 22 and the wall 6 and is designed as a compression spring.

Die Steuerung der Kupplung 9 ist besser aus der Fig. 5 zu ersehen.The control of the clutch 9 can be seen better from FIG. 5.

Der Klinkenteil 18 ist lose drehbar auf einer Antriebswelle 30 angeordnet, die die Wand 13 durchsetzt. Der die Antriebswelle 30 treibende Elektromotor 31 ist zwischen den Wänden 13 und 11 des Gehäuses angeordnet und mit einem angebauten Getriebe versehen.The pawl part 18 is loosely rotatable on a drive shaft 30 which passes through the wall 13. The electric motor 31 driving the drive shaft 30 is arranged between the walls 13 and 11 of the housing and is provided with an attached gear.

Auf dieser Antriebswelle 30 ist ein Übertragungsglied 31 drehfest gehalten. Dieses Übertragungsglied 31 weist einen Mitnehmer 32 auf, der mit dem Klinkenteil 18 zusammenwirkt, der im wesentlichen L-förmig ausgebildet ist. In der in Fig. 5 und 2 dargestellten Ruhestellung der Kupplung, die dem Normalzustand der Bindung entspricht und in der eine Übertragung von Zugkräften ermöglicht ist, liegt der Mitnehmer 32 des Übertragungsgliedes 31 an dem kürzeren Schenkel des Klinkenteiles 18 an.A transmission member 31 is held in a rotationally fixed manner on this drive shaft 30. This transmission member 31 has a driver 32 which cooperates with the pawl part 18, which is substantially L-shaped. In the rest position of the clutch shown in FIGS. 5 and 2, which corresponds to the normal state of the binding and in which a transmission of tensile forces is made possible, the driver 32 of the transmission member 31 bears against the shorter leg of the pawl part 18.

Durch eine geringfügige Verdrehung des Übertragungsgliedes 31 in Richtung des Pfeiles A, kommt es zu einer Verschwenkung des Klinkenteiles 18 und dieser verliert die Abstützung an der Stützschulter 20 des nockenartigen Ansatzes 16. Dadurch kann die Kupplungsfeder 17 den Klinkenteil 18 und den Ansatz 16 gegeneinander verdrehen. Dabei kommt aber der Klinkenteil 18 mit seinem kürzeren Schenkel bereits nach einer kurzen Wegstrecke an einem Anschlag 33 der Wand 13 zur Anlage, sodaß praktisch nur der Ansatz 16 und damit die Hülse 14 verdreht wird, wodurch, wie die Fig 3. zeigt, die Nuten 15 über den radialen Bohrungen 27 des Kopfes 22 zu liegen kommen und daher die Kupplungskörper 26 radial nach außen ausweichen können, sobald eine Zugkraft in die zweiteilige Zugstange 5 eingeleitet wird. Damit ist aber ein Verschwenken der Sohlenhalter 2 bereits bei einer Überwindung der Kraft der Rückstellfeder 29 möglich, sodaß der Backen keine nennenswerten Kräfte mehr aufnehmen kann und den Skischuh freigibt.By a slight rotation of the transmission member 31 in the direction of arrow A, the pawl part 18 pivots and this loses the support on the support shoulder 20 of the cam-like extension 16. As a result, the coupling spring 17 can rotate the pawl part 18 and the extension 16 against each other. Here, however, the pawl part 18 with its shorter leg comes to rest after a short distance against a stop 33 of the wall 13, so that practically only the projection 16 and thus the sleeve 14 are rotated, as shown in FIG 15 come to rest over the radial bores 27 of the head 22 and therefore the coupling bodies 26 can dodge radially outwards as soon as a tensile force is introduced into the two-part pull rod 5. However, this means that the sole holder 2 can be pivoted when the force of the return spring 29 is overcome, so that the jaws can no longer absorb any significant forces and releases the ski boot.

Bei der Auslösung des Klinkenteiles 18, d.h. bei einem Anstoßen desselben in Richtung des Pfeiles A, gleitet der Klinkenteil mit seinem längeren Schenkel in eine seitliche Freistellung 34 des Ansatzes 16, in deren Bereich dieser Ansatz eine geringere Dicke aufweist (Fig. 3).When the pawl part 18 is triggered, i.e. when it bumps in the direction of arrow A, the latch part slides with its longer leg into a lateral clearance 34 of the extension 16, in the area of which this extension has a smaller thickness (FIG. 3).

Zur Rückstellung der Kupplung nach einem solchen Auslösevorgang wird die Antriebswelle 30 durch die Kupplungsfeder 17 in Richtung des Pfeiles R verdreht. Dabei kommt die Steuerkante 35 des Übertragungsgliedes 31 an dem Nocken 36 des Ansatzes 16 zur Anlage und dreht diesen samt der Hülse 14 zurück, bis die in der Fig. 4 dargestellte Lage erreicht ist und die Stützschulter 20 des Ansatzes 16 in die Ausnehmung 21 des Klinkenteiles 18 einrastet. Danach dreht der Elektromotor 37 die Antriebswelle 30 und damit das Übertragungsglied 31 in die aus der Fig. 2 ersichtliche Lage zurück, in der der Mitnehmer 32 an dem Klinkenteil 18 anliegt oder zwischen diesem und dem Mitnehmer 32 nur ein sehr kleiner Spalt verbleibt, um bereits nach kurzem weg den Klinkenteil 18 auslösen zu können.To reset the clutch after such a triggering process, the drive shaft 30 is rotated by the clutch spring 17 in the direction of arrow R. The control edge 35 of the transmission member 31 comes to rest against the cam 36 of the extension 16 and rotates it back together with the sleeve 14 until the position shown in FIG. 4 is reached and the support shoulder 20 of the extension 16 into the recess 21 of the pawl part 18 snaps into place. Thereafter, the electric motor 37 rotates the drive shaft 30 and thus the transmission member 31 back into the position shown in FIG. 2, in which the driver 32 rests on the pawl part 18 or only a very small gap remains between the latter and the driver 32 to be able to trigger the jack part 18 after a short distance.

Der Elektromotor 37 kann über entsprechende Positionsfühler gesteuert werden, die z.B. die Stellung des Übertragungsgliedes 31 und damit jene der Antriebswelle 30 erfassen und den Elektromotor 37 in seiner Drehrichtung umsteuern, sobald er nach Erhalt eines Auslösesignales, das in bekannter Weise durch eine Signale von Kraftaufnehmern verarbeitende Auswerteschaltung, die z.B. nach der DE-OS 25 19 544 ausgebildet sein kann, in Auslöserichtung (Pfeil A) einen für eine Auslösung ausreichenden Weg zurückgelegt hat. Das Auslösesignal, das an sich nur für einen sehr kurzen Zeitraum von einer solchen Auswerteschaltung bereitgestellt wird, kann dabei z.B. mittels einer monostabilen Multivibratorschaltung für eine ausreichend lange Zeit, z.B. 20sec, aufrecht erhalten werden. Eine weitere Umsteuerung der Drehrichtung erfolgt nach Erreichen der in der Fig. 4 dargestellten Stellung des Übertragungsgliedes 31, bzw. der Antriebswelle 30. Nach Erreichen der in der Fig. 2 dargestellten Ruhestellung, in der der Mitnehmer 32 dem kürzeren Schenkel des Klinkenteiles 18 sehr nahe ist oder an diesem anliegt, erfolgt die Stillsetzung des Elektromotors.The electric motor 37 can be controlled via corresponding position sensors which, for example, detect the position of the transmission element 31 and thus that of the drive shaft 30 and reverse the direction of rotation of the electric motor 37 as soon as it receives a trigger signal which processes it in a known manner by signals from force transducers Evaluation circuit, which can be designed, for example, according to DE-OS 25 19 544, has traveled a sufficient distance in the triggering direction (arrow A) for triggering. The trigger signal, which is in itself only available for a very short period of time from such an evaluation circuit can be maintained, for example, by means of a monostable multivibrator circuit for a sufficiently long time, for example 20 seconds. A further reversal of the direction of rotation takes place after reaching the position of the transmission member 31 or the drive shaft 30 shown in FIG. 4. After reaching the rest position shown in FIG. 2, in which the driver 32 is very close to the shorter leg of the pawl part 18 the electric motor is shut down.

Die Überwachung der Lage der Antriebswelle 30 bzw. des Übertragungsgliedes 31 kann aber auch ohne Positionsfühler erfolgen. So kann der Elektromotor 37 als Schrittschaltmotor ausgebildet sein, der über eine durch ein Auslösesignal triggerbare Ansteuerschaltung gesteuert ist, die den oben erwähnten Ablauf in Form bestimmter Schrittzahlen in der einen wie auch in der anderen Richtung festlegt.However, the position of the drive shaft 30 or the transmission element 31 can also be monitored without a position sensor. Thus, the electric motor 37 can be designed as a stepping motor, which is controlled via a control circuit that can be triggered by a trigger signal and that defines the above-mentioned sequence in the form of certain number of steps in both directions.

In beiden Fällen kann die Auslösung aufgrund des geringen hiefür erforderlichen Weges der Antriebswelle 30 sehr rasch erfolgen, wobei die relativ kräftige Kupplungsfeder 17 für ein rasches Verdrehen der Hülse 14 auch bei schwierigen Verhältnissen, wie z.B. bei einem Eisansatz sorgt. Die Rückstellung der Bindung in den gebrauchsfähigen Zustand nach einer Auslösung kann dagegen langsam erfolgen, da nach einem Sturz eines Skiläufers mit einer Zeitspanne von ca. 20 bis 30sec zu rechnen ist, bis dieser wieder in der Lage ist in die Bindung einzusteigen. Da das Aufziehen der Kupplungsfeder 17 bei der Rückstellung der Hülse 14 mit sehr geringer Geschwindigkeit erfolgen kann, da zwischen einem Sturz mit Auslösung der Bindung bis zum Wiedereinstieg in dieses ohnehin mindestens 30sec vergehen, braucht der Elektromotor nur eine entsprechend geringe Leistung aufweisen, sodaß er klein gebaut werden kann.In both cases, the triggering can take place very quickly due to the small required travel of the drive shaft 30, the relatively strong coupling spring 17 for rapid rotation of the sleeve 14 even in difficult conditions, such as e.g. with ice buildup. On the other hand, the binding can be reset to the usable state after a release, since after a skier falls, a time span of approx. 20 to 30 seconds can be expected before he is able to get back into the binding. Since the opening of the clutch spring 17 can take place at a very low speed when the sleeve 14 is reset, since at least 30 seconds elapse between a fall with the binding being released and re-entry into it, the electric motor need only have a correspondingly low output, so that it is small can be built.

Claims (6)

1. A safety ski binding comprising a releasable clamp assembly wherein at least one retainer element (2) engaging a ski boot to be retained is held in its retaining position by a two-component holding member (5) having its first component subjected to the action of a spring (12) determining the holding force and taking support on a housing part, and its second component (7) in engagement with said retainer element(s) (2), said two components (7, 8) being adapted to be releasably interlocked for transmission of movement at least in the direction Of the force exerted by said spring (12), by a coupling mechanism (9) controlled by a reversible electric motor (31) itself controlled by a processor circuit processing signals generated by at least one force sensor, characterized in that said coupling mechanism (9) is biased by a coupling spring (17) in opposition to its released position in which the movement-transmitting interlock of said two components (7, 8) of said holding member (5) is released.
2. A safety ski binding according to claim 1, wherein said coupling mechanism comprises mutually overlapping sections (22, 24) of said two coaxially disposed components (7, 8) of said holding member (5), at the location whereof coupling bodies (26), preferably balls, are retained on the overlapped section (24) formed with an obliquely extending shoulder, and the overlapping section (22) is provided with apertures (27) the size of which at least corresponds to the size of said coupling bodies (26), said overlapping section (22) being surrounded by a sleeve (14) having its inner wall surface formed with at least one recess (15) for receiving said coupling bodies (26) therein, and adapted in the released state of said coupling mechanism (9) to be aligned with said apertures (27) of said overlapping section (22) so as to receive said coupling bodies (26) therein,
characterized in that said coupling spring (17) acts on said sleeve (14) in the circumferential direction end is otherwise engaged with a pivotally supported pawl member (18) cooperating with said sleeve (14), the shaft of said electric motor (27) being adapted to be operatively connected, as the case may be by way of a transmission member (31), to said pawl member (18) and said sleeve (14).
3. A safety ski binding according to any of claims 1 or 2, characterized in that said transmission member (31) and said pawl member (18) are disposed on said shaft (30) of said electric motor (37), the formed being fixedly mounted thereon, and the latter freely rotatable.
4. A safety ski binding according to any of claims 1 to 3, characterized in that said pawl member (18) is substantially L-shaped, with a first leg cooperating with or adapted, respectively, to be brought into engagement with a projection (16) of said sleeve (14) projecting radially therefrom, and a second leg adapted when said shaft (30) of said electric motor (37) rotates in the release direction, to be brought into engagement with an excentric driver member thereof or of said transmission member (31
5. A safety ski binding according to any of claims 1 to 4, characterized in that said transmission member (31) is substantially formed as a cam and adapted when said shaft (30) of said electric motor (37) rotates in the interlock direction of said coupling mechanism (9), to be brought into engagement with a projection (16) of said sleeve (14) projecting radially therefrom and being preferably also engaged by said coupling spring (17), to thereby turn said sleeve (14) in opposition to the force of said coupling spring (17).
6. A safety ski binding according to any of claims 1 to 5, characterized in that means is provided for detecting determined positions of said shaft (30) of said electric motor (37).
EP92917652A 1991-08-23 1992-08-21 Safety ski binding Expired - Lifetime EP0554426B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT1665/91 1991-08-23
AT0166591A AT398387B (en) 1991-08-23 1991-08-23 SAFETY SKI BINDING
PCT/EP1992/001917 WO1993003804A1 (en) 1991-08-23 1992-08-21 Safety ski binding

Publications (2)

Publication Number Publication Date
EP0554426A1 EP0554426A1 (en) 1993-08-11
EP0554426B1 true EP0554426B1 (en) 1995-03-08

Family

ID=3518343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92917652A Expired - Lifetime EP0554426B1 (en) 1991-08-23 1992-08-21 Safety ski binding

Country Status (6)

Country Link
US (1) US5338052A (en)
EP (1) EP0554426B1 (en)
JP (1) JPH05506394A (en)
AT (1) AT398387B (en)
DE (1) DE59201614D1 (en)
WO (1) WO1993003804A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106219363A (en) * 2016-08-31 2016-12-14 住友富士电梯有限公司 A kind of elevator of fall arrest
CN106241548A (en) * 2016-08-31 2016-12-21 住友富士电梯有限公司 A kind of safety lock of elevator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743550A (en) * 1994-02-12 1998-04-28 Frohwein; Otto Electronically controlled safety binding for skis and snow board
FR2927818B1 (en) * 2008-02-26 2011-09-09 Salomon Sa TRIGGER DEVICE FOR FIXING A SHOE ON A SLIDING GEAR

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3367672A (en) * 1966-07-11 1968-02-06 Joseph A. Tonozzi Safety ski binding
DE1934060C3 (en) * 1969-07-04 1980-04-17 Marker, Hannes, 8100 Garmisch-Partenkirchen Safety ski binding
US4130296A (en) * 1976-06-30 1978-12-19 Kinetronic Industries Ski-binding
FR2418657A1 (en) * 1978-03-03 1979-09-28 Look Sa Electronic circuit in safety ski binding - causes release of locking mechanism, allowing housing to rotate and release boot
US4460195A (en) * 1980-01-23 1984-07-17 Carolyn Bildner Automatic clamping and release mechanism
AT375833B (en) * 1982-10-19 1984-09-10 Tyrolia Freizeitgeraete RELEASE MECHANISM FOR A SAFETY SKI BINDING
EP0121349B1 (en) * 1983-03-30 1988-10-12 T.T. Boughton & Sons Limited Improvements in or relating to trailers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106219363A (en) * 2016-08-31 2016-12-14 住友富士电梯有限公司 A kind of elevator of fall arrest
CN106241548A (en) * 2016-08-31 2016-12-21 住友富士电梯有限公司 A kind of safety lock of elevator

Also Published As

Publication number Publication date
JPH05506394A (en) 1993-09-22
AT398387B (en) 1994-11-25
DE59201614D1 (en) 1995-04-13
EP0554426A1 (en) 1993-08-11
WO1993003804A1 (en) 1993-03-04
US5338052A (en) 1994-08-16
ATA166591A (en) 1994-04-15

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