EP0289843A1 - Fixation de sécurité pour ski - Google Patents

Fixation de sécurité pour ski Download PDF

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Publication number
EP0289843A1
EP0289843A1 EP88106129A EP88106129A EP0289843A1 EP 0289843 A1 EP0289843 A1 EP 0289843A1 EP 88106129 A EP88106129 A EP 88106129A EP 88106129 A EP88106129 A EP 88106129A EP 0289843 A1 EP0289843 A1 EP 0289843A1
Authority
EP
European Patent Office
Prior art keywords
spring
abutment
release
ski binding
hold
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
EP88106129A
Other languages
German (de)
English (en)
Other versions
EP0289843B1 (fr
Inventor
Paul Rosenich
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 EP0289843A1 publication Critical patent/EP0289843A1/fr
Application granted granted Critical
Publication of EP0289843B1 publication Critical patent/EP0289843B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0846—Details of the release or step-in mechanism
    • 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
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0841—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw
    • A63C9/0842—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw the jaw pivoting on the body or base about a transverse axis
    • 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 an electronically controlled triggering device, which has an evaluation circuit that processes the signals of force transducers corresponding to the acting forces and a triggering element that can be triggered by this by means of a triggering pulse, a triggering spring being provided, on the one hand, against one between two end positions movable, releasable and latchable hold-down device associated with a jaw and on the other hand is supported on an abutment controlled by the release member or on this itself.
  • a number of such security ski bindings are known.
  • only one release spring is provided, which is supported with its one end on an abutment controlled by a release member.
  • the abutment must absorb the entire force exerted by the release spring.
  • the trigger member e.g. an electromagnet which, in the event of triggering, usually controls a support member which is movable perpendicular to the direction of the force exerted by the spring and which is provided for supporting the abutment, has to overcome correspondingly high frictional forces and must therefore be appropriately strong.
  • This not only requires a considerable amount of space, but also a corresponding energy requirement.
  • the latter in particular is of crucial importance in the case of safety ski bindings, which mostly depend on a supply by means of batteries, especially since the weight of the latter is to be kept as low as possible.
  • DE-OS 1 121 827 discloses a safety ski binding in which a hold-down device which can be positively locked by means of an electromagnetic release member is provided, in which the locking member is biased against its locked position by a weak spring. Furthermore, in this binding, a locking arm acted upon by a spring is provided, which interacts with a locking projection of the hold-down device, but it is possible for the locking arm and the locking projection to slide past one another with compression of the compression spring.
  • the purpose of this additional latching is when released of the hold-down device by means of the release member due to an only non-dangerous short-lasting peak load, to hold the hold-down device in the locked position, but with a force still acting on the binding, this also leads to a release of the purely mechanical locking.
  • the aim of the invention is to propose a binding of the type mentioned at the outset in which these disadvantages are avoided and in which only slight forces have to be applied by the trigger member.
  • this is achieved in that a second spring acting in the same direction as the release spring is supported at its one end on the latching path, and in that the second spring is supported at its other end on a further, preferably fixed abutment, the release being the Safety ski binding the free path of the abutment is sufficient for a substantially complete relaxation of the release spring.
  • the measures according to the invention do not result in any initiation of the movement of the hold-down device immediately after the abutment has been triggered, which is completely force-free for pivoting the hold-down device, but in practice this is of no importance since, in the event of danger, correspondingly large forces are exerted anyway Binding or hold down act and therefore the necessary forces are available to release the ski from the foot. But there is a very steep drop in the holding force on the ist on the fixed abutment supported spring predetermined value. However, since this holding force is already exceeded when the controlled abutment is triggered by the electronics, the triggering and binding occurs very quickly, which ultimately triggers without force.
  • the forces required to release the ski from the foot can be easily applied, particularly if it is a binding in which only the heel cheek can be released.
  • the triggering element has been triggered electrically or by hand, it is sufficient to push the lower leg forward, which, due to the stiff sole of the ski shoe, can exert a sufficiently large moment on the hold-down device in order to overcome the holding forces of the cheek.
  • the proportion of the holding force applied by the releasable abutment to the total holding force can be selected accordingly by appropriate dimensioning of the two release springs.
  • the proportion of the release spring supported by the electrically or mechanically releasable abutment can expediently be chosen between 10 and 50% of the total holding force, the higher value being more suitable for bindings intended for children, for whom only correspondingly low holding forces can be provided and for which importance is attached to a relatively easy arbitrary release of the ski from the foot.
  • the arbitrary triggering can be done both by the arbitrary delivery of a corresponding impulse to the evaluation circuit by Be Actuation, for example, a button, as well as a mechanical influence on the abutment.
  • This known binding practically represents a purely mechanical triggering binding, the triggering value of which is determined by the evaluation circuit and the toggle lever as well as the electromagnet depending on various parameters, e.g. the weight of the skier or the interfering forces can be changed continuously.
  • this known binding there is no defined triggering of the jaw depending on the forces that occur, but only a shift in the triggering value.
  • Another serious disadvantage of this known binding can also be seen in the fact that in this only the forces acting up and down are detected and processed via the evaluation circuit, so that this binding only in the case of the relatively safe falls backwards and the falls forward in their Trigger values are changed, but not in the case of dangerous falls, because the forces involved are not recorded.
  • the armature of the electromagnet is designed as an angle lever, one leg of which supports the abutment of the release spring and the abutment is guided in a guide of the jaw. This results in a very simple construction, which also enables the abutment to be easily reset.
  • a permanent magnet is arranged on the arm of the armature facing the core of the magnet, which ensures the repulsion of the armature from the core when the electromagnet is excited. In this way, the armature is held by the core of the electromagnet during normal operation and unintended triggering by vibrations or impacts is prevented.
  • the armature is in contact with the core, when the excitation is switched on, or during a trigger pulse, the greatest force repelling the armature is developed, whereby the idle friction of the trigger member on the abutment can be surmounted. This training therefore makes it possible to find sufficiency even with particularly small and low-performing electromagnets, but this also results in savings in the energy requirement for each triggering process.
  • the leg of the armature supporting the abutment has an oblique run-up surface on its side of a shoulder of this leg facing away from its support surface.
  • a pawl-like driver is arranged on the releasable hold-down device, which avoids the abutment when the hold-down device is pivoted up, but takes it with it during the return movement, this driver preferably having a protrusion on one side largely of the hold-down leaf spring is formed. In this way it is ensured that the driver can evade the abutment after it has been triggered when the hold-down device is pivoted out of its latched position, but takes it with it when the hold-down device is reset to its lockable position. If the driver is designed as a leaf spring, this results in an extremely simple construction with only a few components.
  • the binding shown in Fig. 1 is designed as a plate binding, the binding plate 1 is rotatable about a spherical pin 40, which is arranged in the region of the point of intersection of the axis of the tibia of the skier with the sliding plane and a rotation of the binding plate in the plane of Ski enabled.
  • this has an axis 41 which passes through a longitudinally extending slot 42 of a formally arranged holder 45, which projects into a recess 1a arranged on the underside of the binding plate 1 with great play on all sides, as a result of which limited rotation the binding plate around the pin 40 and a pivoting up of the binding plate 1 about the axis 41 is possible.
  • a rigid, non-releasable toe jaw 43 is held in the longitudinal direction of the binding plate so that it can be adjusted and locked.
  • the releasable heel shoe 17 arranged in the rear region of the binding plate is connected to the binding plate 1, its hold-down device 14 being pivotable upwards about the axis 9. Furthermore, the binding plate 1 is firmly connected in its rear region to a switching module 6 arranged in heel jaws 17, which is supported in a shifter abutment 2 via force transducers 4 and a measuring element 3, which has a spherical head-shaped end (FIG. 2).
  • the binding plate 1 is held in position, but a movement of the binding plate 1 in the extent of the measuring paths of the force transducers 4 is possible, which due to the fixed pivot points of the binding plate around the pin 40 and the axis 41, the detection of the binding plate 1 perpendicular and enable moments acting parallel to the ski.
  • a conventional opening spring 23 is provided, which is supported on the binding plate 1 and the hold-down 14 and biases it in the direction of its pivoted-up end position
  • the essentially hood-shaped hold-down device 14 has a nose 66 projecting against its interior, on which a locking roller 16 is rotatably held, which in the locked position of the binding is overlapped by an arm 18 having a locking path 31.
  • This arm 18 is pivotally held on an axis of rotation 28, which in turn is fixed to the part of the heel shoe fixed to the binding plate.
  • a guide rod 20 is articulated on the arm 18, on which the abutment 50 of the release spring 19 is held displaceably in the axial direction of the guide rod.
  • the release spring 19 and a further spring 51 (hereinafter also referred to as spring 51), which runs in the same direction as this, is arranged coaxially on the guide rod 20.
  • the spring 51 is on the articulated connection to the arm 18 of the guide rod 20 and on a star arranged on the ski-fixed part of the jaw 17 Ren abutment 52 supported, which is bridge-shaped and is provided with a bore for receiving the release spring 19.
  • the guide rod 20 is held in its position by the spring 51 51, the spring 51 51 being supported on a bearing surface of the connecting piece 53 of the guide rod 20 corresponding to the cross section of this spring.
  • the releasable abutment 50 is supported on an armature 54 which is rotatably mounted in the jaw 17 and is essentially L-shaped.
  • One leg has an essentially vertically projecting shoulder, the outer side of which supports the releasable abutment 50 in the rest position of the armature 54.
  • the second leg of the armature 54 also has an angled extension which is provided for actuation by means of a spring-loaded manual release button 55 which is guided in the hold-down device 14.
  • One leg of the armature 54 carries a permanent magnet 56 which, when the electromagnet 57 is not excited and is arranged in the switching module 6, bears against the core thereof.
  • the pole face of the core of the electromagnet facing the permanent magnet 56 assumes the polarity of the opposite pole face of the permanent magnet, so that one arm of the armature 54 is repelled and the armature is therefore rotated.
  • the releasable abutment 50 loses its support and, under the influence of the releasing release spring 19, moves towards the free end of the guide rod, where it contacts the end stop 58, which merely slides the abutment 50 off the guide rod 20 prevents, strikes.
  • the release spring 19 relaxes to such an extent that it can no longer contribute to the application of the holding force on the arm 18. Since this is now only applied by the further spring 51. This makes it possible to release the foot from the binding in the event of an arbitrary release by pressing over the spring 51 when lifting the heel.
  • the foot In the event of an involuntary triggering due to a trigger signal caused by impermissibly high forces acting on the foot or the binding, the foot is released quickly from the binding despite the holding forces of the spring 51, since the spring 51 alone is not sufficient the Maintaining latching of the hold-down device 14, especially when, as is always the case in the event of an involuntary release, correspondingly high forces act on the binding and the foot.
  • the spring 51 with the arm acts as a mechanical binding which is set too weakly and which is suddenly subjected to a high overload which is caused by the fact that the trigger spring 19 is no longer supported.
  • the two springs 19 and 51 are appropriately dimensioned so that the release spring 19, 10 to 50% of the total holding force of the spring combination applies.
  • the electromagnet is activated via an evaluation circuit arranged in the switching module 6, which processes the signals of the force transducers 4 and, when certain criteria are reached, emits a trigger signal which leads to the short-term excitation of the electromagnet 57.
  • the hold-down device 14 After an arbitrary release by pressure on the manual release button 55 or an involuntary release due to a release signal, the resulting reduction in the holding force and the forces acting or arbitrarily exerted on the binding cause the hold-down device 14 to pivot upwards, the spring 51 is suppressed.
  • the driver 60 connected to it which is formed from a leaf spring 61 and a support 62 for it, slides from the abutment 50 located in its rearmost position, the leaf spring 61 being lifted off its support.
  • the driver 60 with its leaf spring 61 comes to rest on the upper edge of the abutment 50.
  • the leaf spring 61 is supported on the support 62 when the holding-down device is pressed down, sufficient force can be transmitted to the abutment 50 via the leaf spring 61 in order to bring it back into its working position.
  • the abutment 50 slides over the contact surface of the shoulder of one arm of the armature 54. The armature is briefly deflected, after which the abutment and the armature again assume the position shown in FIG. 2.
  • the position of the driver 60 is dimensioned so that the abutment 50 is already in its working position before the hold-down device has assumed its locked position.
  • the abutment 50 itself is designed as a bridge-like part, the support being provided by the anchor 54 in the central region and the driver 60, which is preferably formed in two parts, engages or engages the abutment on one side edge or on both side edges.
  • the end stop 58 of the latter engages in a guide for the part of the jaw 17 that is fixed to the ski.
  • the hold-down device 14 ' has a locking lug 67 projecting against its interior, which is overlapped in the locked position of the binding by an outer locking arm 70 designed as an outer roller locking means.
  • This outer roller catch 70 is pivotally held on an axis of rotation 71, which in turn is fixed to the part of the heel shoe 17 fixed to the binding plate '.
  • a coupling rod 20 ' is articulated, which connects the outer roller catch 70' with a further abutment 50 'pivotally held about a rotational axis 72 rigidly connected to the binding plate 1', the coupling rod 20 'being articulated in these two parts
  • a support 146 of the further spring 51 is articulated on the roller catch 70, which in turn is held via a second support 146 on an axis 129 held in the ski part of the jaw 17 ', the two supports 146 being connected to one another via a telescopic rod 120.
  • the release spring 19' acts which urges the two parts apart. So that the outer roller detent 70 is pressed with a supported abutment 50 'against the locking lug 67, whereby the hold-down 14' is prevented from swinging up.
  • a manual release button 55' is pivotally mounted about an axis 69, this button 55 ' is biased against its inactive position by means of a spring 68.
  • the trigger button When the trigger button is pressed, it pivots counterclockwise or counter to the force of the spring 68 and presses on the trigger pin 73, which is held in a bushing of the switching module 6 and is biased by a spring against its illustrated inactive position.
  • This release pin 73 is sealed by means of an O-ring, but it is also possible to seal the release pin by means of a membrane which is stretched over the free end of the release pin, or is designed as part of the housing and on which the release button 15 'can be brought into contact is.
  • the measuring element 3' On the schifesten abutment 2 'of the measuring element 3' is supported by a spherical joint-shaped receptacle.
  • This measuring element 3 ' has force transducers which detect the moments ⁇ My and ⁇ Mz occurring on the binding plate 1' about their axes of rotation and convert them into electrical signals.
  • These force transducers which e.g. can be designed as piezoelectric transducers or as strain gauges, are connected to the housing of the switching module 6 'in which the battery, the evaluation circuit, and an electromagnet and parts of the mechanical locking system of the binding are housed.
  • the electromechanical release elements are formed by a, a folding armature 75 having electromagnet 57 ', which is connected via lines to the evaluation circuit or the battery.
  • the folding anchor 75 is biased by a weak return spring 77 against its dropped position from the core and has a locking surface 78 on which a part of the locking mechanism of the hold-down 17 'can be brought to bear.
  • a pawl-like inner lever 79 rests on the dropped hinged anchor 75.
  • This inner lever 79 is pivotally held about an axis 80 held in the switching module 6 'and biased by a weak spring 81 against its unlocked position.
  • This inner lever 79 has a recess 82 which is open at the edge.
  • An inner latch arm 83 engages in this recess with its angled end.
  • This inner rest arm 83 which can also be designed as a bracket, is rotatably connected to a shaft 84 which is tightly guided through the housing.
  • an outer latch arm 85 which is designed as a roller lever for reasons of low-friction construction, is held in a rotationally fast manner outside the housing.
  • This outer latch arm 85 supports in the operational state of the binding from an outer support lever pivotable about an axis 72 rigidly connected to the binding plate, which serves as a releasable abutment 50 'for the release spring 19', which is designed as an outer roller latch 70 outer latch lever, as already explained, presses against the nose 67 of the hold-down 14 '.
  • This torque is intercepted by the inner locking arm 83, which engages in the recess 82 of the inner lever 79 and the inner lever 79, which in turn is supported on the locking surface 78 of the hinged armature 75.
  • the release pin 73 is pressed by actuating the release button 55 'against the hinged armature 75, or the electromagnet 57' pulls the hinged armature 75 ', which is due to the weak return spring 77' and due to the lever ratios and the support by means of detent, only slight Frictional forces, only small forces are required, the inner lever 79 'loses its support and the torque acting on the outer locking arm 85 rotates the inner locking arm 83 out of the recess 82, whereby the locking arm 83 loses its support.
  • the release spring 19 Since the release spring 19 'applies only a part of the holding forces of the hold-down device 14', only extremely small forces are required for the release, with the locking mechanism still resulting in very favorable transmission ratios.
  • the second rigid spring 51 ' supports the pivoting back of the roller catch 70 and the releasable abutment 50'.
  • the distribution of the holding forces on the two springs 19 'and 51' is expediently such that the spring 51 'applies approximately 50 to 90 ° of the force of the trigger spring 19'.
  • the invention is not restricted to the above exemplary embodiments.
  • known release levers can be provided which set the arbitrary release force to zero when exiting.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP88106129A 1987-05-06 1988-04-18 Fixation de sécurité pour ski Expired - Lifetime EP0289843B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1135/87 1987-05-06
AT0113587A AT388110B (de) 1987-05-06 1987-05-06 Sicherheitsschibindung

Publications (2)

Publication Number Publication Date
EP0289843A1 true EP0289843A1 (fr) 1988-11-09
EP0289843B1 EP0289843B1 (fr) 1991-07-31

Family

ID=3507356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88106129A Expired - Lifetime EP0289843B1 (fr) 1987-05-06 1988-04-18 Fixation de sécurité pour ski

Country Status (3)

Country Link
EP (1) EP0289843B1 (fr)
AT (1) AT388110B (fr)
DE (1) DE3863961D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109946759A (zh) * 2019-05-08 2019-06-28 中国工程物理研究院核物理与化学研究所 一种水下探测片定位装置
CN113037142A (zh) * 2019-12-09 2021-06-25 苏州星诺奇科技股份有限公司 电动收紧装置的控制方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT399290B (de) * 1991-08-23 1995-04-25 Tyrolia Freizeitgeraete Sicherheitsskibindung
AT400226B (de) * 1993-11-05 1995-11-27 Waldner Wilfried Auslösevorrichtung für eine skibindung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1578752A1 (de) * 1965-09-21 1970-12-10 Ever New Inc Skibindung
US3826509A (en) * 1970-07-08 1974-07-30 Gertsch Ag Safety ski binding
FR2489701A1 (fr) * 1980-09-05 1982-03-12 Marker Hannes Talonniere pour fixation de ski de securite
FR2511257A1 (fr) * 1981-08-17 1983-02-18 Marker Patentverwertungs Gmbh Fixation de ski de securite
WO1988001191A1 (fr) * 1986-08-14 1988-02-25 Tmc Corporation Fixation de securite pour skis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT303583B (de) * 1970-07-08 1972-11-27 Smolka & Co Wiener Metall Auslöseskibindung
DE3311901A1 (de) * 1983-03-31 1984-10-11 Marker Patentverwertungsgesellschaft mbH, Baar Sicherheits-skibindung mit einer elektronischen schaltung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1578752A1 (de) * 1965-09-21 1970-12-10 Ever New Inc Skibindung
US3826509A (en) * 1970-07-08 1974-07-30 Gertsch Ag Safety ski binding
FR2489701A1 (fr) * 1980-09-05 1982-03-12 Marker Hannes Talonniere pour fixation de ski de securite
FR2511257A1 (fr) * 1981-08-17 1983-02-18 Marker Patentverwertungs Gmbh Fixation de ski de securite
WO1988001191A1 (fr) * 1986-08-14 1988-02-25 Tmc Corporation Fixation de securite pour skis

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109946759A (zh) * 2019-05-08 2019-06-28 中国工程物理研究院核物理与化学研究所 一种水下探测片定位装置
CN109946759B (zh) * 2019-05-08 2023-10-20 中国工程物理研究院核物理与化学研究所 一种水下探测片定位装置
CN113037142A (zh) * 2019-12-09 2021-06-25 苏州星诺奇科技股份有限公司 电动收紧装置的控制方法

Also Published As

Publication number Publication date
DE3863961D1 (de) 1991-09-05
AT388110B (de) 1989-05-10
ATA113587A (de) 1988-10-15
EP0289843B1 (fr) 1991-07-31

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