US3897076A - Longitudinal adjustment device notably for ski bindings - Google Patents

Longitudinal adjustment device notably for ski bindings Download PDF

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Publication number
US3897076A
US3897076A US412658A US41265873A US3897076A US 3897076 A US3897076 A US 3897076A US 412658 A US412658 A US 412658A US 41265873 A US41265873 A US 41265873A US 3897076 A US3897076 A US 3897076A
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Prior art keywords
adjustment
fastening element
ski
member means
bearing
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Expired - Lifetime
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US412658A
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English (en)
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Jean Joseph Alfred Beyl
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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
    • 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
    • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski
    • 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
    • A63C9/007—Systems preventing accumulation of forces on the binding when the ski is bending
    • 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
    • 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
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable

Definitions

  • This device for the fine adjustment of the relative longitudinal position of two elements one element being fixed and the other movable, more particularly in the case of a ski binding in relation to a ski, permits at the same time the change from one range of fine adjustment limits to another by combining a worm and rack mechanism, with a knee-actiion locking mechanism, the worm utilized in this device comprises a shaft having one end engaged in a universal bearing and the other end adapted to be actuated for engaging and disengaging said knee-action locking mechanism relative to the fixed companion locking member carried by the fixed element, and thus permit the change from one range of fine adjustment to another, on the one hand, and rotating said shaft for producing said fine adjustment, on the other hand.
  • the present invention is directed to an improved device for adjusting the relative position of fastening elements or members in the longitudinal direction, notably toe or heel holding members of ski bindings, this device comprising an adjustment member movably mounted on the binding element to be moved in rela tion to the ski, said adjustment member being constantly kept in meshing engagement with an adjustment rack rigid with the ski.
  • one of these known devices consists in disposing, in the binding element to be adjusted or in a binding device to be adjusted in a ski binding assembly, a worm having a fixed axial position and its axis substantially parallel to the ski, this worm being adapted to be actuated from the outside and meshing with a rack rigid with the ski. Rotating the worm in one or the other direction will causes an adjustment of the position of the ski binding member in the longitudinal direction.
  • a serious inconvenience of this known device is that said worm must be rotated to a considerable extent when adjusting the ski binding for different ski-boot sizes in order to move the ski binding member relatively great distances. This device is objectionable on account of the considerable loss of time deriving from its use.
  • longitudinal adjustment devices of this general type are also known wherein a locking member rigid with the ski binding co-acts with a section member rigid with the ski, said locking member being spring-urged, if necessary.
  • this locking-member may be brought manually out of engagement with the section member, so that the binding can be moved rapidly for relatively great distances.
  • this device is advantageous in that it permits a rapid adjustment, but it suffers from the serious drawback of excluding any fine adjustment when the locking member is locked in position on the section member of rack. Since the notches of this rack cannot be closely spaced for reasons of mechanical strength, the accurate adjustment of the ski binding with respect to the boot size becomes uncertain or is obtained only in case of fortuitous coincidence. But under normal conditions this adjustment is only of approximate value. To obtain a perfect adjustment between the locking member and the section member or rack associated therewith, the movable.
  • the solution of the problem set forth hereinabove is brought by the present invention by mounting for free movement the adjustment member of the corresponding ski binding element in a bearing member of the ski binding element and at a point somewhat spaced from said bearing member, said adjustment member being adapted to be locked either in a first position in which said adjustment member is in meshing engagement with the adjustment section member or rack, or in another position in which said adjustment member is disconnected from said adjustment section member or rack, said adjustment member further comprising fine adjustment means adjustable in the aforesaid first position in which said adjustment member is in meshing engagement with said adjustment section member or rack.
  • the ski binding element i.e., either the toe abutment or the heel holddown device
  • the ski binding element can be moved rapidly for a relatively great distance in order to perform a first, rough adjustment whereafter the ski binding element is locked to the adjustment section or rack.
  • the final and necessary fine adjustment may be effected by actuating the adjustment member now in meshing engagement with said adjustment section or rack, but only for short adjustment movements.
  • the arrangement is such that the bearing member provided on the ski binding element is a universal bearing in which the adjustment member can pivot, rotate and slide longitudinally in the direction of the longitudinal axis of the ski, a spacer spring. being disposed between this adjustment member and this bearing member.
  • the adjustment member comprising the rough adjustment means incorporates a base member adapted to be anchored or engaged into a perforated plate rigid with the ski, together with a worm mechanism for the fine adjustment of the position of the ski binding element in relation to the base plate mounted on said perforated plate for use after performing said rapid advance or feed, the axis of the worm mechanism being mounted in the bearing contemplated on the ski binding element.
  • the adjustment member consists, for fine adjustment purposes, of a worm rigidly secured to a shaft rotatably mounted in the bearing provided to this end in the ski binding element, and the adjustment section member rigid with the ski consists of a toothed rack meshing with said worm, this arrangement being particularly advantageous if the spacer spring interposed between the worm or the worm mechanism on the one hand and the fixed bearing of the rotary shaft on the other hand urges said worm or worm mechanism on one side and the ski binding element in the bearing portion on the other side, at least with one end, at a point located above a horizontal plane parallel to the ski and containing the axis of said rotary shaft.
  • FIG. 1 is a diagrammatic axial section of a longitudinal adjustment device according to this invention
  • FIG. 2 is a longitudinal section showing another embodiment of the device of this invention.
  • FIG. 3 is a longitudinal section showing a still further possible embodiment of the device of this invention.
  • FIG. 4 is a longitudinal section showing the device of FIG. 3 with the adjustment member disconnected from the rack to permit a rapid advance of the ski binding element;
  • FIG. 5 is an end view of the device of FIG. 3, and
  • FIG. 6 is a diagrammatic longitudinal section showing another possible embodiment of the fine adjustment means according to this invention.
  • the longitudinal adjustment device notably and principally for ski bindings, comprises essentially an adjustment section member 1 secured to the ski in the longitudinal direction thereof and a binding element 2 movable in a direction parallel to the longitudinal direction of the adjustment section member 1 but constantly held down on the ski.
  • An adjustment member 3 adapted to be operatively connected and disconnected in relation to the adjustment section member 1 is disposed within the binding element 2 and adapted to be stopped or locked at least in several defined positions.
  • the adjustment section member 1 consists of a rack secured for example by means of screws to the top face of the. ski.
  • This rack I may be formed integrally, or associated with, a plate constituting the base plate of the binding element so that the latter can move longitudinally as shown in FIG. 5 without allowing this binding element to be lifted in relation to the ski.
  • the adjustment member 3 is mounted in the binding element 2 by means of a shaft 4 to which a worm 5 is rigidly secured.
  • This shaft 4 is disposed within a bearing 6 formed in the binding element 2 so that it can rotate freely.
  • the term bearing is used in its broadest meaning.
  • the corresponding end 7 of shaft 4 is so mounted that it can move or swivel freely in all directions therein.
  • the latter is mounted in a manner permitting the movement and locking thereof with respect to the binding element 2 in at least two spaced positions.
  • a notch 9 visible more particularly in FIG. 2 is provided to permit this movable mounting so that the shaft 4 can pivot or tilt about its fixed bearing 6 in a plane at right angles to the ski, which comprises the axis of the adjustment section member 1.
  • the shaft 4 comprises a pivot member 10 co-acting with the fork of a link 11 pivotally mounted to the binding element 2 about a pin 12 so that said link, can move in the plane of the drawing (FIG. 1).
  • two such links 11 are provided which are adapted, through the medium of their forks disposed on either side of shaft 4, to co-act with the pivot member 10 so disposed on said shaft 4 that it can rotate freely thereon while being held against axial movement. Since the forks and/or the pivot member engage at the end of their stroke a first or lower stop provided on the ski binding element 2, a first lower position of shaft 4 is thus determined, in which the worm 5 is in meshing engagement with the rack 1.
  • link 11 are made stable by a spacer spring 13 consisting preferably of a coil compression spring interposed between the worm 5 and the fixed bearing 6, and surrounding the shaft 4, thus providing a knee-action mechanism.
  • spacer spring 13 consisting preferably of a coil compression spring interposed between the worm 5 and the fixed bearing 6, and surrounding the shaft 4, thus providing a knee-action mechanism.
  • the ski binding is to be subsequently adapted to a ski-boot of different size.
  • the control end 8 of shaft 4 is actuated by rotating same against the force of spring 13 from the lower stable position (FIG. 1) to the upper stable position in which said worm 5 is disconnected from the rack 1 (FIG. 1, phantom lives).
  • the heel hold-down device 2 can be moved rapidly towards the boot heel, and when the contact is obtained between this device and the boot heel the shaft 4 is pivoted downwards to restore the meshing engagement between the worm 5 and rack 1.
  • the fine adjustment of the heel hold-down device can be performed in relation to the boot heel.
  • the spring 13 may also act as a means for imparting a certain longitudinal flexibility to the ski binding; this may be quite advantageous in case of abnormal flexing of the ski, notably when so-called step-in heel hold down devices are used.
  • the boot tends to move the heel hold-down device 2 to the right as seen in FIG. 1.
  • the heel hold-down device can move to the right only against the force of spring 13 and through a limited extent only.
  • the open coupling between the forks of links 11 and the pivot member 10 on shaft 4 permits this relative movement. Under these conditions, the construction must be such that the forks and the pivot member cannot become disconnected completely under anycircumstance.
  • the available spring stroke is constant -and independent of the adjustment position of the heel hold-down device 2 in relation to the adjustment section member 1 rigid with the ski.
  • FIG. 2 illustrates another embodiment of the device of this invention.
  • the members identical with or corresponding to those of the preceding embodiment are designated by the same reference numerals plus the index letter a.
  • the corresponding adjustment member 3a consisting likewise ofa worm 5a is locked not by a link or kneeaction mechanism but by a male member 14 rigid with shaft 4 and co-acting with at least two female members spaced from each other on the heel hold-down element 211.
  • a relative movement between the heel hold down or like binding element 2a and the adjustment section la may also take place.
  • the male member 14 will be disconnected completely from the corresponding female member 15.
  • the pressure between the thread surfaces of worm 5a and rack la prevents an untimely disconnection between said worm and rack.
  • said spring 13a at least at its end adjacent the bearing 6a, may bear against this bearing at a point located above the shaft 4a. This bearing action may be obtained very simply by off-setting, as illustrated in FIG. 2, the lower half of bearing 6a to the left in relation to its upper half. Due to this bearing force of spring 13a a torque is constantly exerted on the worm 5a whereby the latter is urged for meshing engagement with the rack la.
  • FIGS. 3 and 4 illustrate another modified embodiment of the invention wherein the component elements identical with or'similar to those of the preceding embodiments are designated by the same reference numeral plus the index letter b.
  • the male retaining member 14b of shaft 4b consists of the respective end portion of worm 5b. This end is shaped and adapted to engage either of a pair of curved notches l6 and 17 formed in the registering portion of the binding element 2b.
  • the first notch 16 sets the position of worm 5b, in which the latter is in proper meshing engagement with rack lb, the other notch 17 setting the position of worm 5b, in which the latter is fully disconnected from the rack lb to permit the rapid advance of the binding element 2b.
  • the first notch 16 is characterised in that its shape and/or position are selected according to this invention with a view to hold the worm 5b in proper meshing engagement with the rack Ib under a certain elastic load.
  • the other notch 17 is so designed that the worm 5b be held through its male portion 14b in its upper position by self-locking action during the rapid advance of said binding element 2b.
  • the disposal and mode of operation of spring 13b are the same as in the embodiments of FIGS. 1 and 2.
  • the shaft 4b comprises at its outer end a gripping knob 8b. It is readily apparent from FIG. 4 that, for the position illustrated of adjustment member 3b in relation to the adjustment section lb the binding member 2b can be advanced rapidly in the direction of the double arrow F.
  • FIG. 5 illustrates another advantageous detail of this invention.
  • the notch 9b provided for tilting the shaft 4b must be wide enough to permit the free movement of this shaft, it may be particularly advantageous to provide this notch 9b with an open lower end to facilitate considerably the: mounting of adjustment member 3b in the binding element 2; furthermore, in this case this adjustment member 3b can easily be replaced in case of wear or damage.
  • FIG. 6 illustrates diagrammatically another form of embodiment of the adjustment member of the device of this invention.
  • the corresponding adjustment member 3c is made in this case of three elements comprising a base member 18 shaped to permit the coupling thereof with the adjustment section lc or the disengagement thereof from this section 1c to effect the rapid advance.
  • the adjustment section 1c rigid with the ski (not shown) consists in this case and preferably of a perforated plate comprising a series of spaced holes 19 disposed along the ski center line, the base member 18 being adapted to be coupled with this plate by engaging one or more studs 20 projecting from its bottom surface into the aforesaid holes 19.
  • a bearing 21 Projecting from the upper face of base member 18 is a bearing 21 in which the shaft 4c is rotatably mounted and held against axial movement by a shoulder 22.
  • This shaft 40 is mounted in or on the ski binding element 2c in the manner described with reference to FIGS. 1 and 2.
  • the shaft 40 On either side of shoulder 22 the shaft 40 comprises threaded portions 23 engaging tapped holes 24 formed in a sliding member 25.
  • This member 25 disposed straddlewise on said bearing 21 of base member 18 and is adapted to be moved micrometrically in'relation to said base member either to the left or to the right, as seen in FIG. 6, by rotating the shaft 4c in the proper direction.
  • Said sliding member 25 comprises at one end a projection 14c adapted to engage a female member 15c formed on the ski binding element 20 in the manner described hereinabove.
  • the sliding member 25 has a bearing face engageable by a coil compression spring 13c of which the arrangement and mode of operation are also known from the description of the preceding forms of embodiment.
  • a coil compression spring 13c of which the arrangement and mode of operation are also known from the description of the preceding forms of embodiment.
  • a ski binding comprising an adjustment section member means adapted to be fixedly mounted on a ski; a fastening element means for releasably retaining one end of a ski boot on the ski, said fastening element means being adapted to be mounted on the adjustment section member means, said fastening element means being relatively moveable along a selected direction with respect to said adjustment section member means; said fastening element means further comprising a bearing and an adjustment member means, said adjustment member means being carried by said fastening element means and mounted for free movement in said bearing; complementary fine adjustment means on said adjustment member means and on said adjustment section member means for permitting fine adjustment, in
  • said complementary fine adjustment means being disconnectable from each other to permit relative coarse adjustment of the relative positions of said fastening element means and said adjustment section member means, said adjustment member means being moveable between a first position in which said complementary fine adjustment means are operatively interconnected for permitting relative fine adjustment of the said fastening element means and said adjustment section member means, and a second position in which said complementary means are disconnected from each other and inoperative; and locking means releasably and firmly retaining the said adjustment member means in the first position and the second position.
  • said locking means comprises a pair of vertically spaced notches on said fastening element means adjacent the end of the adjustment member means spaced from said bearing, the lower notch being engaged by the adjacent end of the adjustment member means when said adjustment member means is in said first position, said locking means further comprising means for resiliently urging said adjustment member means toward said notches.
  • said adjustment member means is a shaft, a toothed worm fixedly mounted on said shaft, said adjustment section member means having teeth thereon for mating with the teeth on said worm when said adjustment member means is in said second position, said toothed worm and the teeth on said adjustment section member means comprising said complementary fine adjustment means.
  • said resilient means is a spacer spring one end of which abuts said bearing and the other end of which abuts said worm.
  • said fastening element means further comprises means for moving the said adjustment member means between said first and second positions.
  • a ski binding comprising a fastening element means and an adjustment section member means, said adjustment section member means adapted to be fixedly mounted on a ski; said fastening element means for releasably retaining one end of a ski boot on the ski, said fastening element means being moveable with respect to said adjustment section member means, said fastening element means having a bearing therein and an adjustment member means articulated in said bearing, complementary cooperating fine adjustment means on said adjustment member means and said adjustment section member means, and means on said fastening element means releasably locking said adjustment member means in a first position in which said complementary fine adjustment means are engaged to permit fine adjustment of the position of the fastening element means on said adjustment section member means, and in a second position in which the complementary fine adjustment means are disengaged to permit free sliding movement of the fastening element means on said adjustment section member means.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US412658A 1972-11-20 1973-11-05 Longitudinal adjustment device notably for ski bindings Expired - Lifetime US3897076A (en)

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Application Number Priority Date Filing Date Title
FR7241180A FR2206960B1 (xx) 1972-11-20 1972-11-20

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US3897076A true US3897076A (en) 1975-07-29

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US412658A Expired - Lifetime US3897076A (en) 1972-11-20 1973-11-05 Longitudinal adjustment device notably for ski bindings

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US (1) US3897076A (xx)
JP (1) JPS5321341B2 (xx)
AT (1) AT325490B (xx)
CA (1) CA988115A (xx)
CH (1) CH581479A5 (xx)
DE (1) DE2356164A1 (xx)
FR (1) FR2206960B1 (xx)
IT (1) IT999259B (xx)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040173994A1 (en) * 2003-02-18 2004-09-09 Howell Richard J. Alpine ski binding heel unit
US20080088114A1 (en) * 2006-09-27 2008-04-17 Frederic Farges Restraining and longitudinal position adjusting device of a binding for skis
US20100109290A1 (en) * 2008-11-03 2010-05-06 Atomic Austria Gmbh Ski binding with a positioning and fixing mechanism for its binding piece bodies
US20170173443A1 (en) * 2014-03-31 2017-06-22 Vist Tech S.R.L. Ski binding

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55180471U (xx) * 1979-06-11 1980-12-25
AT387150B (de) * 1984-07-12 1988-12-12 Amf Sport Freizeitgeraete Fersenniederhalter
AT384170B (de) * 1985-07-05 1987-10-12 Tyrolia Freizeitgeraete Verstelleinrichtung fuer skibindungen
AT412948B (de) * 2003-02-03 2005-09-26 Tyrolia Technology Gmbh Vorrichtung zur montage einer skibindung oder eines skibindungsteils

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226158A (en) * 1962-09-27 1965-12-28 Recaro A G Device for adjusting the back rest of a seat
US3361435A (en) * 1966-04-18 1968-01-02 Hvam Hjalmar Heel binding for a ski
US3604720A (en) * 1968-03-29 1971-09-14 Reuge Sa Safety attachment for skis
US3774925A (en) * 1971-02-16 1973-11-27 Marker Hannes Device for adjusting and indicating the initial stress of release-opposing springs in safety ski binding elements
US3810644A (en) * 1971-07-30 1974-05-14 J Beyl Ski binding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2037542A1 (de) * 1970-07-29 1972-02-10 Deutsche Edelstahlwerke AG, 4150Krefeld Verfahren zur Verminderung der Langs streifigkeit kaltgewalzter Bander aus rost und säurebeständigem Chromstahl

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226158A (en) * 1962-09-27 1965-12-28 Recaro A G Device for adjusting the back rest of a seat
US3361435A (en) * 1966-04-18 1968-01-02 Hvam Hjalmar Heel binding for a ski
US3604720A (en) * 1968-03-29 1971-09-14 Reuge Sa Safety attachment for skis
US3774925A (en) * 1971-02-16 1973-11-27 Marker Hannes Device for adjusting and indicating the initial stress of release-opposing springs in safety ski binding elements
US3810644A (en) * 1971-07-30 1974-05-14 J Beyl Ski binding

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040173994A1 (en) * 2003-02-18 2004-09-09 Howell Richard J. Alpine ski binding heel unit
US20080179862A1 (en) * 2003-02-18 2008-07-31 Kneebinding, Inc. Alpine ski binding heel unit
US7887084B2 (en) 2003-02-18 2011-02-15 Kneebinding, Inc. Alpine ski binding heel unit
US20110193324A1 (en) * 2003-02-18 2011-08-11 Kneebinding, Inc. Alpine ski binding heel
US8955867B2 (en) 2003-02-18 2015-02-17 Kneebinding, Inc. Alpine ski binding heel unit
US9687724B2 (en) 2003-02-18 2017-06-27 Kneebinding, Inc. Alpine ski binding heel unit
US20080088114A1 (en) * 2006-09-27 2008-04-17 Frederic Farges Restraining and longitudinal position adjusting device of a binding for skis
US7744113B2 (en) * 2006-09-27 2010-06-29 Skis Rossignol Restraining and longitudinal position adjusting device of a binding for skis
US20100109290A1 (en) * 2008-11-03 2010-05-06 Atomic Austria Gmbh Ski binding with a positioning and fixing mechanism for its binding piece bodies
US7988180B2 (en) * 2008-11-03 2011-08-02 Atomic Austria Gmbh Ski binding with a positioning and fixing mechanism for its binding piece bodies
US20170173443A1 (en) * 2014-03-31 2017-06-22 Vist Tech S.R.L. Ski binding

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Publication number Publication date
CA988115A (en) 1976-04-27
AT325490B (de) 1975-10-27
CH581479A5 (xx) 1976-11-15
IT999259B (it) 1976-02-20
JPS5321341B2 (xx) 1978-07-01
FR2206960A1 (xx) 1974-06-14
DE2356164A1 (de) 1974-05-30
FR2206960B1 (xx) 1976-06-04
JPS4982428A (xx) 1974-08-08

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