US3612560A - Rear tightener for safety ski binding - Google Patents

Rear tightener for safety ski binding Download PDF

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Publication number
US3612560A
US3612560A US843989A US3612560DA US3612560A US 3612560 A US3612560 A US 3612560A US 843989 A US843989 A US 843989A US 3612560D A US3612560D A US 3612560DA US 3612560 A US3612560 A US 3612560A
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US
United States
Prior art keywords
boot
axle
pushing member
spring
legs
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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US843989A
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English (en)
Inventor
Bernd Payrhammer
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Marker International GmbH
Marker International Co
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Individual
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Publication of US3612560A publication Critical patent/US3612560A/en
Assigned to MARKER INTERNATIONAL COMPANY reassignment MARKER INTERNATIONAL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: MARKER-PATENTVERWERTUNGSGELLSCHAFT GMBH
Anticipated expiration legal-status Critical
Assigned to FIRST SECURITY BANK, N.A. reassignment FIRST SECURITY BANK, N.A. SECURITY AGREEMENT Assignors: MARKER INTERNATIONAL, INC.
Assigned to MARKER INTERNATIONAL, INC. reassignment MARKER INTERNATIONAL, INC. RELEASE OF SECURITY Assignors: FIRST SECURITY BANK, N.A.
Assigned to MARKER INTERNATIONAL reassignment MARKER INTERNATIONAL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FIRST SECURITY BANK, N.A.
Assigned to MARKER INTERNATIONAL GMBH reassignment MARKER INTERNATIONAL GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MARKER INTERNATIONAL
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
    • A63C9/0844—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable the body pivoting 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
    • 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
    • A63C9/0805—Adjustment of the toe or heel holders; Indicators therefor
    • 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
    • A63C9/005—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
    • A63C9/08—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
    • A63C9/0847—Details of the manual release

Definitions

  • a boot-pushing member is rotatably mounted on an axle which extends transversely to the longitudinal axis of the ski and parallel to the tread of the ski and forms the web of a U-shaped member having legs which serve as pull rods and have free end portions which, on an axis that is parallel to the web, are pivoted to a plate which is secured to the ski.
  • the boot-pushing member is subjected to the action of a spring, which produces the force for holding down the heel and the contact pressure between the toe portion of the skiing boot and a toe holder and which has one end that engages the axle which carries the boot-pushing member.
  • the boot-pushing member is mounted on the axle by means of a slot and is slidable against the force of the spring so as to reduce the spacing of the sole-holding end of the boot-pushing member from the axle.
  • the boot-pushing member has at least one laterally out wardly directed projection close to the sole-holding end, which projection serves to cooperate with a bracket, which extends inwardly from one leg of the U-shaped member, so that said bracket permits of a rotation of the boot-pushing member only when the sole-holding end has been displaced toward the axle.
  • the sole-holding end lies over the straight line connecting the axle forming the web of the U-shaped member and the pivotal axis of the free end portions of the legs when the projection of the boot-pushing member engages the bracket from below.
  • the present invention relates to a rear tightener for safety ski bindings, which tightener comprises a boot-pushing member, which is rotatably mounted on an axle which extends transversely to the longitudinal axis of the ski and parallel to the tread of the ski and forms the web of a U-shaped member having legs which serve as pull rods.
  • the legs have free end portions which on an axis that is parallel to the web are pivoted to a plate which is secured to the ski, the boot-pushing member being subjected to the action of a spring, which produces the force for holding down the heel and the contact pressure between the toe portion of the skiing boot and a toe holder and which has one end that engages the axle which carries the boot-pushing member.
  • a prestressed helical compression spring is mounted in the boot-pushing member and through an interposed plungerlike spring abutment acts on the axle, which is provided adjacent to the spring abutment with a flat, which is disposed to be engaged by the spring abutment when the rear tightener is in condition for skiing whereas the spring abutment is forced against the nonflattened portion of the axle when the rear tightener is open.
  • the sole-holding portion of the boot-pushing member is thus under the action of a moment of force which tends to retain the skiing boot on the ski.
  • the invention relates to a rear tightener for safety ski bindings, which tightener comprises a bootpushing member, which is rotatably mounted on an axle which extends transversely to the longitudinal axis of the ski and parallel to the tread of the ski and forms the web of a U-shaped member having legs which serve as pull rods.
  • the legs have free end portions which on an axis that is parallel to the web are pivoted to a plate which is secured to the ski.
  • the boot-pushing member is subjected to the action of a spring, which produces the force for holding down the heel and the contact pressure between the toe portion of the skiing boot and a toe holder and which has one end that engages the axle which carries the boot-pushing member.
  • the object set forth above is accomplished in that the boot-pushing member is mounted on the axle by means of a slot and is slidable against the force of the spring so as to reduce the spacing of the soleholding end of the boot-pushing member from the axle.
  • the boot-pushing member has at least one laterally outwardly directed projection close to the sole-holding end which pro jection serves to cooperate with a bracket which extends inwardly from one leg of the U-shaped member so that said bracket permits a rotation of the boot-pushing member only when the sole-holding end has been displaced toward the axle.
  • the sole-holding end lies over the straight line connecting the axle forming the web of the U-shaped member and the pivotal axis of the free end portions of the legs when the projection of the boot-pushing member engages the bracket from below.
  • the spring comprises a helical compression spring, which is mounted in a longitudinal bore, which opens into a slot and is provided with a screw thread in its outer end portion and contains a screw plug serving as a spring abutment.
  • each of the upper and lower walls of the boot-pushing member are suitably provided with a slot which extends in the direction in which the boot-pushing member is displaccable.
  • the scales are provided at the longitudinal edges of said slots and are relatively staggered in the longitudinal direction, and the spring abutment comprises two diametrically opposite extensions, which serve as indicators. That indicating device which is the upper one when the rear tightener is in condition for use serves to indicate the contact pressure.
  • the other indicating device serving to indicate the setting of the force for holding down the heel will be on top when the boot-pushing member has been pivotally moved to a position in which the screw plug is easily accessible, e.g., by a screwdriver, so that it can be screwed in or out to vary the force for holding down the heel.
  • the axle may be provided with a flat, which is engaged by the weak helical compression spring, preferably with a spring abutment interposed.
  • FIG. 1 is a top plan view showing the rear tightener in condition for skiing.
  • FIG. 2 is a central longitudinal sectional view showing the rear tightener of FIG. 1,
  • FIG. 3 shows the rear tightener of FIG. l with its boot-pushing member swung out to the rear.
  • FIG. 4 is a side elevation showing the rear tightener in the same position as in FIG. 3 but partly cut open.
  • the rear tightener comprises two pull rods ll, 2, by which it is secured to the ski at a suitable heel plate, which is not shown because it is known in various designs.
  • the heel plate may be mounted, e.g., for longitudinal adjustment on a bmeplate, which is secured to the ski. This longitudinal adjustment serves to adjust the rear tightener to skiing boots differing in size and to select the contact pressure applied by the skiing boot against a toe holder.
  • the pull rods I, 2 are interconnected by an axle 3, which is nonrotatably riveted in holes of the pull rods.
  • a bootpushing member 4 is mounted to be freely rotatable and iongitudinally slidable to a limited extent.
  • the boot-pushing member 4 has a slot 5.
  • One end of the boot-pushing member constitutes a soleholder 6.
  • the boot-pushing member 4 has a blind hole 7, which is provided with a screw thread in its outer end portion.
  • the blind hole 7 crosses the slot so that the axle 3 extends transversely through the blind hole.
  • a weak helical compression spring 8 is disposed between the axle and the bottom of the blind hole and through an interposed spring abutment 9 bears on a flat formed on the axle 3 (see FIG. 2).
  • the blind hole 7 contains a strong helical compression spring 10, which bears on the axle, also with a spring abutment ll interposed.
  • this spring bears on a plug 12, which is threaded into the blind hole 7.
  • the outer end face of that plug is formed with a slot 13 for engagement by a screwdriver.
  • the spring abutment 11 comprises two extensions 14, 15, which are received by respective, diametrically opposite slots 16 or 17, which are formed in the boot-pushing member 4. That end of the boot-pushing member 4 which is not provided with the soleholder 6 carries a cap 18, which serves at the same time as a handle.
  • Brackets 19, 20 having mirror symmetry are mounted on respective pull rods 1, 2 and adapted to cooperate with lateral projections 21, 22 of the boot-pushing member 4. As is apparent from H6. 1, the projections engage the brackets from below when the rear tightener is in condition for use.
  • a skiing boot is indicated in dash-dot lines in FIGS. 1 and 2 to facilitate the understanding of the rear tightener.
  • a rotation of the screw plug 12 causes a displacement of the boot-pushing member 4 on the axle 3 against the force of the helical compression spring 8, which is much weaker than the helical compression spring 10.
  • the extension 14 of the spring abutment 11 extends into the slot 16 of the boot-pushing member 4 and serves as an indicator.
  • a scale is provided at the longitudinal edges of the slot on the boot-pushing member 4 and may divide the range of adjustment into four steps, as is indicated by way of example in FIG. 3.
  • the skier When the skier has set the rear tightener to the desired resistance opposing a release, he may step into the binding and may then check whether the correct pressure is applied by the rear tightener. This check is accomplished by an indicating device, which consists of an extension of the spring abutment l1 and a scale provided on the longitudinal edges of the slot 17 of the boot-pushing member 4 (see FIG. 1). As to the division into steps, this scale is like the one provided on the other side of the boot-pushing member because the contact pressure should vary as a function of the resistance opposing a release.
  • the skiing boot is first placed on the ski and is forced against the toe holder.
  • the boot-pushing member 4 of the rear tightener is then raised and its soleholder 6 is inserted into the heel groove of the skiing boot and applied to the sole.
  • the cap 18 at the free end of the boot-pushing member is then swung down so that the spring 10 is stressed and the soleholder is moved to a position over the straight line which connects the axle 3 and the pivotal axle connecting the free end portions of the pull rods 1, 2 to the heel plate, not shown, and in this position is held by toggle joint action.
  • the projections 21, 22 of the boot-pushing member engage the brackets 19, 20 of the pull rods and prevent a further rotation of the boot-pushing member.
  • To get out of the binding it is sufficient to raise the boot-pushing member so that the soleholder is disengaged from the sole of the skiing boot. This requires only a small effort, which need not be sufficient to overcome the entire resistance opposing a release.
  • a safety release will be effected if the soldholder is subjected to the action of an approximately vertically upwardly directed force which is sufficient to stress the spring 10 and displace the boot-pushing member 4 until the projections 21, 22 are no longer restrained by the brackets 19, 20.
  • the bootpushing member is then virtually freely rotatable and no longer opposes a lifting of the heel of the skiing boot from the ski.
  • the rear tightener is then ready to engage a boot.
  • the flat formed on the axle 3 and serving to hold the boot-pushing member in position when the rear tightener is open may be provided at a point other than shown in F IG. 2.
  • a ski boot rear heel tightener for safety ski bindings adapted to be used with a toe holder, said tightener comprising a U-shaped member, said U-shaped member comprising legs adapted to serve as pull rods and an axle connecting said legs, said axle forming the web of the U-shaped member and extending transversely to the longitudinal axis of the ski, a boot-pushing member rotatably mounted on said axle, said boot-pushing member defining a longitudinal bore and having a slot therethrough through which said axle extends, a spring positioned in said boot-pushing member, said spring acting on said boot-pushing member to produce a force for holding down the heel and contact pressure between the toe portion of the ski boot and a toe holder, said spring having one end that engages the axle which carries the boot-pushing member, said boot-pushing member being slidable against the force of said spring so as to reduce the spacing of the sole-holding end of the boot-pushing member from the axle, at least one outwardly directed projection secured
  • a rear heel tightener according to claim 1 wherein two laterally outwardly projections are provided on opposite sides of said boot-pushing member and two brackets are provided on the respective legs of said U-shaped member.
  • a rear heel tightener according to claim 1, wherein the spring is a helical compression spring, said helical compression spring being mounted in said longitudinal bore, said lon gitudinal bore being provided with a screw thread at least in its outer end portion to receive a screw plug, said screw plug serving as a spring abutment.
  • a rear heel tightener according to claim 3, wherein the boot-pushing member extends beyond the axle and the longitudinal bore portion contains a weak helical compression spring, said weak helical compression spring bearing at one end on the bottom of said bore and at the other end on said axle for the boot-pushing member.
  • a rear heel tightener according to claim 4, wherein a spring abutment is provided at least between the axle for the boot-pushing member and a spring.
  • a rear heel tightener according to claim 5, wherein said spring abutment forms an indicator means, said indicator means being adapted to include the settings of the force for holding down the heel and the contact pressure, and registering the settings on scales provided on said boot-pushing member.
  • boot-pushing member comprises a housing, slot means defined by said housing, scale indicia provided on said housing, said scale indicia positioned adjacent the longitudinal edge of said slot means in a substantially staggered arrangement, and a spring abutment mounted in said housing, said spring abutment comprising two diametrically opposed extensions which serve as indicators.
  • a rear heel tightener according to claim 4, wherein the axle is provided with a flat, a weak helical compression spring engaging said axle and an abutment interposed between said axle and said helical spring when said rear tightener is in an open condition to hold the boot-pushing member in position on the axle.
  • a rear heel tightener according to claim 1 wherein said legs have free end portions pivoted to a plate, said pivoted free.
US843989A 1969-03-07 1969-07-23 Rear tightener for safety ski binding Expired - Lifetime US3612560A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE6909278 1969-03-07
DE1923882A DE1923882C3 (de) 1969-03-07 1969-05-09 Fersenstrammer für Sicherheits-Skibindungen

Publications (1)

Publication Number Publication Date
US3612560A true US3612560A (en) 1971-10-12

Family

ID=25757378

Family Applications (1)

Application Number Title Priority Date Filing Date
US843989A Expired - Lifetime US3612560A (en) 1969-03-07 1969-07-23 Rear tightener for safety ski binding

Country Status (10)

Country Link
US (1) US3612560A (de)
JP (1) JPS4923865B1 (de)
AT (2) AT314396B (de)
CH (1) CH486892A (de)
DE (1) DE1923882C3 (de)
FR (1) FR2034708A1 (de)
GB (1) GB1252843A (de)
NO (1) NO124415B (de)
RO (1) RO55986A (de)
SE (1) SE344017B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797843A (en) * 1971-10-19 1974-03-19 Salomon Georges P J Device for securing a boot to a base
US3970326A (en) * 1974-01-28 1976-07-20 S.A. Etablissements Francois Salomon & Fils Safety ski binding device
US3995880A (en) * 1974-10-31 1976-12-07 Hope Kabushiki Kaisha Heel piece of a ski safety binding

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2553886C3 (de) * 1975-11-29 1981-10-08 Heinrich Wunder GmbH & Co KG, 8060 Dachau Fersenstrammer für Sicherheits-Skibindungen
FR2765115B1 (fr) 1997-06-26 1999-09-03 Look Fixations Sa Fixation de securite de chaussure de ski
FR2908319B1 (fr) * 2006-11-13 2009-04-17 Salomon Sa Element de retenue d'une chaussure sur une planche de glisse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249365A (en) * 1962-12-15 1966-05-03 Beyl Jean Joseph Alfred Safety bindings for releasably locking the heels of ski boots
US3418004A (en) * 1965-12-07 1968-12-24 Attenhofer A G A Mounting base for a portion of a ski binding
CH470190A (de) * 1964-07-08 1969-03-31 Ess Skibeschlag Fersensicherheitsskibindung
US3466057A (en) * 1967-01-12 1969-09-09 Attenhofer Ag A Heel holder for cableless ski binding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249365A (en) * 1962-12-15 1966-05-03 Beyl Jean Joseph Alfred Safety bindings for releasably locking the heels of ski boots
CH470190A (de) * 1964-07-08 1969-03-31 Ess Skibeschlag Fersensicherheitsskibindung
US3418004A (en) * 1965-12-07 1968-12-24 Attenhofer A G A Mounting base for a portion of a ski binding
US3466057A (en) * 1967-01-12 1969-09-09 Attenhofer Ag A Heel holder for cableless ski binding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797843A (en) * 1971-10-19 1974-03-19 Salomon Georges P J Device for securing a boot to a base
US3970326A (en) * 1974-01-28 1976-07-20 S.A. Etablissements Francois Salomon & Fils Safety ski binding device
US3995880A (en) * 1974-10-31 1976-12-07 Hope Kabushiki Kaisha Heel piece of a ski safety binding

Also Published As

Publication number Publication date
FR2034708A1 (de) 1970-12-11
SE344017B (de) 1972-03-27
AT314396B (de) 1974-04-10
JPS4923865B1 (de) 1974-06-19
RO55986A (de) 1974-02-01
DE1923882C3 (de) 1978-11-30
DE1923882A1 (de) 1970-09-24
AT293243B (de) 1971-09-27
DE1923882B2 (de) 1978-03-30
GB1252843A (de) 1971-11-10
NO124415B (de) 1972-04-17
CH486892A (de) 1970-03-15

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Owner name: MARKER INTERNATIONAL COMPANY,UTAH

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MARKER-PATENTVERWERTUNGSGELLSCHAFT GMBH;REEL/FRAME:004906/0245

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Effective date: 19990730