US3173701A - Safety bindings for releasably locking the heels of ski boots - Google Patents

Safety bindings for releasably locking the heels of ski boots Download PDF

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Publication number
US3173701A
US3173701A US271143A US27114363A US3173701A US 3173701 A US3173701 A US 3173701A US 271143 A US271143 A US 271143A US 27114363 A US27114363 A US 27114363A US 3173701 A US3173701 A US 3173701A
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Prior art keywords
ski
boot
heel
pivot pin
pin
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Expired - Lifetime
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US271143A
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English (en)
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Beyl Jean Joseph Alfred
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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
    • A63C9/084—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
    • A63C9/082—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with swivel heel-plate
    • 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
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • 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
    • A63C9/0847—Details of the manual release
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S280/00—Land vehicles
    • Y10S280/12—Clamp-type ski bindings having plural diverse axes or clamps

Definitions

  • This invention relates to ski bindings in general, notably of the heel-type to be mounted on a ski for releasably locking the heel of a ski boot while urging the boot forward against a front binding for holding the toe end of the ski boot. More particularly, this invention relates to a ski binding of the type adapted automatically to release the heel of the ski boot if the skier falls, in order to avoid any abnormal and dangerous stretching of the skiers leg or foot.
  • bindings of this character are designed with a view to release the toe end of the ski boot when an abnormal torsional stress is applied thereto, the boot pivoting about its rear or heel portion.
  • most front bindings of this type are associated with a turntable fitted under the heel of the boot to permit its free rotation.
  • FIGURE 1 is a vertical section showing the safety binding of this invention carried by a rotary plate mounted on the ski;
  • FIGURE 2 is a plan view from above of the same device
  • FIGURE 3 is a fragmentary section similar to FIG. 1 but illustrating the operation of the safety device when the rear portion of the boot is lifted;
  • FIGURE 4 is a fragmentary section showing a detail on a larger scale
  • FIGURE 5 is a perspective view showing an alternate embodiment
  • PEGURE 8 is a plan view from above showing the same device
  • FIGURE 10 is a view similar to FIG .6, showing the device during its operation.
  • FIGS. 1 to 4 of the drawings illustrate a first form of embodiment of the device.
  • the device consists essentially of a hook-like retaining member 5 formed on its front face with a retaining or hooking catch 20.
  • This member is pivoted about a fixed horizontal pin 6 carried in turn by a pair of vertical lugs 7.
  • This pin 6 is parallel to the upper face of the ski but extends in a direction at right angles to the longitudinal axis of the ski.
  • This pin engages in a transverse bore 5b formed through the retaining member 5.
  • the support 7 is solid with a rear extension 8 of a swivel plate 9 rotatably mounted under the heel of boot C and retained on the ski by a circular plate 11 secured by means of screws 12.
  • the rotary hook 5 carries an extension 13 of substantially cylindrical configuration formed with an inner axial bore 14 communicating with the transverse bore 5!) engaged by the pivot pin 6. Slidably mounted in this axial bore 14 is a piston 15 provided with a rod 16 having its free end slidably mounted in turn in a blind hole formed in a plug 17 screwed in the outer end of extension 13.
  • the spring 18 constantly urges the fiat face of piston 15 for tight engagement with the fiat seat 19.
  • this seat is disposed in a substantially horizontal plane whereby the action of spring 18 tends to keep the extension 13 of the rotary hook in a substantially vertical position behind the boot C with the gripping projection 20 facing forwards.
  • This extension 13 acts somewhat as a lever whereby the hook 5 can be moved by hand without difficulty to rotate same about its pin 6 in the direction of the arrow F against the pressure exerted by the coil spring 18.
  • the gripping projection 20 carried by the rotary hook 5 is adapted to engage a natural shoulder formed at the rear of the skit boot, for example the rear upper edge of the heel or a bearing member secured on the rear face of the heel as in the example illustrated.
  • This bearing member may consist of a strap 21 secured by screw or otherwise on the heel and carrying a pair of parallel lugs 22 extending rearwardly and receiving a substantially horizontal pin 23 between them.
  • the gripping projection 20 is thus adapted to engage this pin.
  • the rotary hook 5 is first rotated in the direction of the arrow F to direct the gripping projection 20 upwards, this movement being affected very easily by actuating the lever 13 manually. Then the boot can be positioned on the ski, its toe end being subsequently engaged under the abutment member or rotary endpiece of the front binding. It will be noted that the rotary hook 5 remains automatically in its retracted position during this operation, for the piston 15 of the resilient return system engages the rear rounded face of pin 6. When the boot is thus properly positioned, the user simply raises the lever 13 to cause the gripping projection 20 thereof to engage the transverse pin 23 of the strap secured on the boot.
  • the device of this invention permits a partial lifting movement of the heel which is sufficient to avoid the detrimental consequences of a rigid fastening of the heel on the ski. After this lifting movement the boot is again lowered and remains safely secured on the ski, so that the skier may continue skiing without having to actuate the binding.
  • this binding does not interfere with swivelling movements of the boot about its heel when the front binding 1 releases the boot as a consequence of an abnormal torsional stress.
  • the complete device will then rotate bodily with the rotary plate 9 to follow the movement of the boot heel.
  • this device permits a perfect operation of the front binding, as contrasted with most heel-type bindings.
  • the front face of the rotary hook '5 is formed with a cam face adapted to push the boot C forwards when the rotary hook is moved to its boot-locking position.
  • This cam face may consist simply of a circular contour 24 having a certain degree of eccentricity in relation to the center 0 of pin 6 about which the hook body 5 rotates.
  • the shape of this contour is clearly visible in FIG. 4 wherein the curve in chain-dotted lines corresponds to a circular :are centered on O and extending from the rear face of the hook body. The front end of the cam face 24 is thus shifted forwards by a distance d in relation to this circular are.
  • FIGURE 5 illustrates a modified embodiment of the preceding device shown in FIGS. 1 to 4.
  • This alternate embodiment is adapted to retain in position the rear end of a ski boot without necessitating the provision of a bearing member thereon such as the strap 21 of the preceding form of embodiment.
  • the gripping projection of the pivoting retaining member 5a consists of two arcuat-e arms 20a between which a roller 25 is rotatably mounted, as shown.
  • This arcua-te device is adapted to bear directly on the upper edge of the rear end of a boot sole or heel, its shape accommodating the curvature of this end portion.
  • the structure of the device is generally the same as that of the device indiiv cated in FIGS. 1 to 3, and its operation is also the same.
  • FIGURES 6 to 9 illustrate a further form of embodiment of the device according to this invention.
  • the device comprises a gripping member adapted to engage the rear portion of a boot sole.
  • the piston and the spring of the resilient return system are disposed in the pivoting retaining member, which is similar to that provided in the embodiment shown in FIGS. ,1 to 3.
  • it is rotatably mounted about a horizontal transverse pin 60 carried by a pair .of lateral upstanding flanges 7c solid with a stationary strap-like base member.
  • the retaining member 50 is formed with an extension 130 having an inner cylindrical cavity 140 slid-ably engaged by the piston 15 urged by the compress-ion spring 18 of the resilient return systern.
  • This piston 15 thus engages a flat seat 19 formed on the transverse pin 60 and so oriented that the extension 130 is directed upwards, at a small angle to the vertical, when the device is in its normal operative position (FIGS. 6 and 7).
  • This device comprises a special gripping member 29 adapted to engage the rear portion of a boot sole.
  • the lower portion of this member is pivoted about a horizontal pin 26 carried by an extension 43 of the pivoted rretaining member c.
  • This pin is mounted between a pair of vertical lugs 32 extending backward from the gripping member 29. Between the upper ends of these lugs extends another pin 33 on which a roller 34 is retatably mounted.
  • This roller 34 engages a race 35 formed on the front edge of an upwardly directed projection 36 extending firorn the aforesaid flanges 7c of the base member.
  • This race 35 has a contour adapted to ensure -a first displacement-of the gripping member 29 which is coincident with the normal path followed 'by the heel during its initial upward movement.
  • the upper ends of the two vertical lugs 32 are each formed with a hooklike inwardly bent portion 37, the .two bent portions 37 being disposed behind a pair of outwardly bent portions 38 of the upstanding flanges of the base member 7c to prevent the forward movement of the gripping member 29.
  • the device of this embodiment operates as hereinabove described: as a consequence of an effort tending to lift the rear end of the ski boot, the gripping member 29 is lifted bodily therewith and carries along the retaining member 50. This-member rotates about the pin 60 which is stationary. This :movement is attended by a backward movement of the piston against-the resistance of spring 18, as in the device shown in FIGS. 1 to 3 and described hereinabove.
  • the gripping member 29 will thus perform a first displacement coincident with the normal path .of the hee movement until the roller 34 clears the top of the race 35. As in the preceding case, this position is substantially coincident with the moment when the piston begins to engage the round surface 40 of pin 6c. Then I e resilient system will no more tend to restore the pivoting retaining member 50 to its initial position and this member can continue its rotation, the gripping member 2d tilting backwards (see FIG. 10). The roller is now disposed on the rear face of the projection 36.
  • the device constituting this alternate form of embodiment of the invention is also advantageous in that it permits of dispensing with the use of a special bearing member secured on the rear end of the boot. Nevertheless it ensures a particularly reliable retaining action on the boot, without damaging the boot material, unlike most of the hitherto known devices of this character.
  • This is due to the provision of the pivoted gripping member 29 and more particularly to the guiding action applied thereto during a first portion of its movement which is coincident with the normal path of the heel when the latter is lifted off the ski.
  • the upper portion of the guide race is slightly inclined to produce a corresponding slight inclination of the gripping member 2?, for the normal bending of the ski boot involves a moderate inclination of the heel. Under these conditions, the gripping member 29 will follow exactly the heel of the ski boot during its movement and will not slide on, or otherwise engage, the leather or otherboot material and damage same each time the boot is lifted.
  • the manual operation of the device is as easyas in the case of the device illustrated .in FIGS. 1 to 3, for the extension 130 of the pivoting retaining memberconstitutes a kind of control lever.
  • the form of embodiment illustrated in FIGS. .6 to 10 is adapted to be mounted on the extension 8 of a swivel-plate 9 underlying substantially the boot .heel.
  • this device could also be mounted permanently on the ski, although this solution is less advantageous for the reasons set-forth before.
  • the base member of the deviceof FIGS. 610 and the base member of the device of FIG. .5, as :wcllas the base member 7 of the device of FIGS. 1 to 3 may advantageously be mounted in horizontal slideways permitting the longitudinal adjustment vofjthe position of the device by means of a screw, according to the boot size.
  • Safety binding device for releasably locking the heel of a boot on a ski, comprising in combination a pivot pin disposed behind the boot position .and parallel to the upper face of the ski but extending in a direction at right angles to the ski axis, meanson the ski for supporting said pivot pin said means adapted to prevent said pin from revolving about its axis, apivoting retaining member having a bore formed therein which is engaged by the said pivot pin, whereby said last-named.
  • pivot pin acts as a pivot to said member, means mounted on and ahead of said pivoting member'for gripping the rear portion of the heel of the ski boot and holding said rear portion on the ski, an extensionon said pivot member which constitutes a manual .control lever for rotating said pivoting membena passage in said extension which communicates with the bore containing said pivot pin, resilient means for interconnecting said pivoting member and said pivot pin, said resilient means being adaptedto keep said pivoting member in a position in which'said gripping means are in engagement with the rear portion of the boot heel and comprising a piston slidably mounted in said passage formed in said extension of said pivoting member, a
  • a safety binding device for releasably locking the heel of a boot on a ski, comprising in combination a pivot pin disposed behind the boot position and parallel to the upper face of the ski but extending in a direction at right angles tothe ski axis, means secured on the ski for supporting said pivot pin, said means being adapted to prevent said pin from revolving about its axis, a pivoted retaining member having a bore formed in it and which is engaged by the pivot pin, said last named pvot pin acting as a pivot for said retaining member, a gripping projection formed solid with the forward part of the pivoted member, said projection engaging the rear upper edge of the heel to hold said heel on the ski, an extension on said pivoted member constituting a manual control lever for rotating said pivoted member, a passage in said extension communicating with the bore containing said pivot pin, resilient means between said pivoted member and said pivot pin, said resilient means keeping said pivoted member in a position in which said gripping projection is pressed against the rear upper edge of the heel and in which part of
  • a safety binding device for releasably locking the heel of a boot on a ski comprising, a bracket having a pair of lugs projecting upwardly from the top of a ski in a position to the rear of a boot to be placed on the ski, a fixed pivot pin extending between the lugs, said pin having a horizontal flattened surface and an arcuate surface, a cylindrical lever having one end disposed around the pin to pivotally mount the lever on the pin,
  • said lever being formed with a hook for engagement with a heel extension on a boot resting on the ski, a springbiased piston located within the lever, said piston being in contact with the fiat surface on the pivot pin when the hook is fully engaged with the heel extension and engaging the arcuate surface of the pivot pin when said hook is disengaged from the heel extension, and cam means on the lever for engaging against the heel extension to urge the boot forwardly when the lever is moved to its heelengaging position.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US271143A 1961-04-13 1963-04-08 Safety bindings for releasably locking the heels of ski boots Expired - Lifetime US3173701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858621A FR1294261A (fr) 1961-04-13 1961-04-13 Dispositif de fixation de sécurité pour ski

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US3173701A true US3173701A (en) 1965-03-16

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US271143A Expired - Lifetime US3173701A (en) 1961-04-13 1963-04-08 Safety bindings for releasably locking the heels of ski boots

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US (1) US3173701A (fr)
AT (1) AT241316B (fr)
CH (1) CH377702A (fr)
DE (1) DE1205875B (fr)
FR (1) FR1294261A (fr)

Cited By (13)

* 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
US3278195A (en) * 1963-01-22 1966-10-11 Salomon Georges Pierre Joseph Safety ski binding
US3473816A (en) * 1966-08-27 1969-10-21 Paul Unger Step in safety binding for ski
US3884492A (en) * 1973-03-15 1975-05-20 Spademan Richard George Overcenter ski binding mechanism
US4484763A (en) * 1981-02-26 1984-11-27 Marker-Patentvertwertungsgesellschaft Mbh. Heelholder for a safety ski binding
US5318320A (en) * 1992-02-25 1994-06-07 Ramer Products, Ltd. Snow ski binding
US5713594A (en) * 1996-07-18 1998-02-03 Jenni; David Christian Snow board binding
US6206404B1 (en) * 1997-06-26 2001-03-27 Look Fixations Sa Ski boot safety binding
US20100078915A1 (en) * 2008-09-29 2010-04-01 Farges Frederic Ski boot binding heelpiece with movable body
US20100257754A1 (en) * 2009-04-08 2010-10-14 Ski Trab S.R.L. Ski-boot with means for actuating corresponding engaging members of ski-touring bindings
ITMI20091419A1 (it) * 2009-08-05 2011-02-06 Ski Trab S R L Talloniera a piu' posizioni ed aggancio/sgancio facilitato per attacchi da sci alpinistico.
ITMI20110839A1 (it) * 2011-05-13 2012-11-14 Colibri Di Murada Ivan Sistema di attacco per sci.
US20120299255A1 (en) * 2011-05-27 2012-11-29 Skis Rossignol Safety fastening heelpiece for ski boot

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1357018A (fr) * 1963-02-18 1964-04-03 Tendeur de sécurité pour câble de fixation de ski
AT330627B (de) * 1973-07-20 1976-07-12 Smolka & Co Wiener Metall Skibindung
AT331158B (de) * 1974-04-02 1976-08-10 Smolka & Co Wiener Metall Backenkorper
FR2645766A1 (fr) * 1989-04-11 1990-10-19 Chabiland Michel Dispositif de fixations de securite pour sports de glisse

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH258334A (fr) * 1949-07-20 1948-11-30 Yovanovitch Lazare Dispositif presse-talon pour ski.
FR1110856A (fr) * 1954-07-26 1956-02-17 Fixation de ski
US2836428A (en) * 1955-04-21 1958-05-27 Marker Hannes Ski binding having swivelable heel securing means
US2851278A (en) * 1954-10-25 1958-09-09 Bernard E Berlenbach Heel anchoring means for a ski boot
US2867447A (en) * 1955-08-15 1959-01-06 Gaffron D Mueller Safety ski binding
FR1190118A (fr) * 1957-12-28 1959-10-09 Dispositif de fixation de sécurité pour ski
US3027173A (en) * 1957-12-23 1962-03-27 Beyl Jean-Joseph Alfred Safety ski binder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE807788C (de) * 1949-09-04 1951-07-05 Eduard Eibl Skibindung
DE812053C (de) * 1949-09-04 1951-08-27 Eduard Eibl Skibindung
DE807789C (de) * 1950-02-02 1951-07-05 Franz Schwaerzler Skibindung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH258334A (fr) * 1949-07-20 1948-11-30 Yovanovitch Lazare Dispositif presse-talon pour ski.
FR1110856A (fr) * 1954-07-26 1956-02-17 Fixation de ski
US2851278A (en) * 1954-10-25 1958-09-09 Bernard E Berlenbach Heel anchoring means for a ski boot
US2836428A (en) * 1955-04-21 1958-05-27 Marker Hannes Ski binding having swivelable heel securing means
US2867447A (en) * 1955-08-15 1959-01-06 Gaffron D Mueller Safety ski binding
US3027173A (en) * 1957-12-23 1962-03-27 Beyl Jean-Joseph Alfred Safety ski binder
FR1190118A (fr) * 1957-12-28 1959-10-09 Dispositif de fixation de sécurité pour ski

Cited By (16)

* 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
US3278195A (en) * 1963-01-22 1966-10-11 Salomon Georges Pierre Joseph Safety ski binding
US3473816A (en) * 1966-08-27 1969-10-21 Paul Unger Step in safety binding for ski
US3884492A (en) * 1973-03-15 1975-05-20 Spademan Richard George Overcenter ski binding mechanism
US4484763A (en) * 1981-02-26 1984-11-27 Marker-Patentvertwertungsgesellschaft Mbh. Heelholder for a safety ski binding
US5318320A (en) * 1992-02-25 1994-06-07 Ramer Products, Ltd. Snow ski binding
US5713594A (en) * 1996-07-18 1998-02-03 Jenni; David Christian Snow board binding
US6206404B1 (en) * 1997-06-26 2001-03-27 Look Fixations Sa Ski boot safety binding
US20100078915A1 (en) * 2008-09-29 2010-04-01 Farges Frederic Ski boot binding heelpiece with movable body
US20100257754A1 (en) * 2009-04-08 2010-10-14 Ski Trab S.R.L. Ski-boot with means for actuating corresponding engaging members of ski-touring bindings
ITMI20091419A1 (it) * 2009-08-05 2011-02-06 Ski Trab S R L Talloniera a piu' posizioni ed aggancio/sgancio facilitato per attacchi da sci alpinistico.
EP2281614A1 (fr) * 2009-08-05 2011-02-09 Ski Trab S.r.l. Talonnière comprenant une fourche à deux bras pour accrochage avec des chevilles de la chaussure
US20110049821A1 (en) * 2009-08-05 2011-03-03 SKI TRAB S.r.I. Multiple-position heel piece with easy engagement/release for Ski-touring bindings
ITMI20110839A1 (it) * 2011-05-13 2012-11-14 Colibri Di Murada Ivan Sistema di attacco per sci.
US20120299255A1 (en) * 2011-05-27 2012-11-29 Skis Rossignol Safety fastening heelpiece for ski boot
US8820771B2 (en) * 2011-05-27 2014-09-02 Skis Rossignol Safety fastening heelpiece for ski boot

Also Published As

Publication number Publication date
CH377702A (fr) 1964-05-15
FR1294261A (fr) 1962-05-26
AT241316B (de) 1965-07-12
DE1205875B (de) 1965-11-25

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