US3792537A - Ski boot - Google Patents

Ski boot Download PDF

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Publication number
US3792537A
US3792537A US00227906A US3792537DA US3792537A US 3792537 A US3792537 A US 3792537A US 00227906 A US00227906 A US 00227906A US 3792537D A US3792537D A US 3792537DA US 3792537 A US3792537 A US 3792537A
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US
United States
Prior art keywords
shell
sub
cover
foot
ski boot
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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
Application number
US00227906A
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English (en)
Inventor
W Plank
P Handlbauer
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.)
Justus Rieker & Co dt
Rieker & Co Justus
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Rieker & Co Justus
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Publication date
Application filed by Rieker & Co Justus filed Critical Rieker & Co Justus
Application granted granted Critical
Publication of US3792537A publication Critical patent/US3792537A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0429—Adjustment of the boot to calf or shin, i.e. fibula, tibia
    • A43B5/0433—Adjustment of the boot to calf or shin, i.e. fibula, tibia to the width of calf or shin, i.e. fibula, tibia

Definitions

  • the invention relates to a plastic ski boot produced by injection moulding of the type having an outershell and inner padding.
  • a boot is described wherein the shape of the outer shell is symmetrical about a central longitudinal plane and therefore adapted for use as either the right or left foot boot of a pair; the right or left foot shape being imparted interiorly of the shell by suitably contoured padding.
  • ABSTRACT 6 Claims 11 Drawing Figures PATENTEDFEB 1 91914 sum 1 OF 3 SKI BOOT BACKGROUND AND SUMMARY OF THE INVENTION
  • the invention relates to a sports shoe, especially a ski boot, made by the moulding process, having an outer shell made of plastic and comprising the outer sole and the upper, and padding adapted to the shape of the foot arranged therein.
  • ski boots made by moulding, especially by injection moulding.
  • the advantages of ski boots thus produced are, among others, that it is possible with a single mould to produce simply and quickly a large number of completely identical boots, the necessary stiffness of which may be accurately controlled by altering the thickness of the shell wall, this stiffness remaining practically unchanged throughout the life of the boot.
  • This latter advantage is the main reason why moulded ski boots have been accepted so quickly, especially for racing, since it was impossible to obtain with leather ski boots the stifiness required for optimal skiing, and. leather boots lose their original stiffness in a very short time.
  • the boot is adapted to the shape of the foot by means of the inner boot, which may either be made in known fashion of a thermo-plastic plastic compound which is heated at the first fitting and is thus adapted to the foot, or may be made of a plastic or foammaterial compound injected between the foot and the outer shell at the first fitting.
  • the said sub-shell forms the rear portion of the upper, while the cover is adapted to pivot, in the instep part of the subshell, about an axis running perpendicularly to the central longitudinal plane.
  • the edge of the cover and/or of the entry aperture is advisable to provide the edge of the cover and/or of the entry aperture with a sealing bead or sealing surface. If the cover is made of a softer plastic, which makes it more adaptable to the instep of the foot, it will then be necessary to connect the said cover to the rigid sub-shell with a plurality of individual fastening elements distributed over both edges.
  • the cover is also made of rigid material and is fastened to the sub-shell by means of a substantially U-shaped yokeembracing the rear portion of the upper, the forward-facing ends of the said yoke being hinged to the said cover, while the legs thereof are hinged to links on each side of the sub-shell which pivot about an axis perpendicular to the central longitudinal plane.
  • the said links are located in such a manner that when the cover is closed, the straight line connecting the hinge point of each link on the yoke and on the sub-shell lies parallel with the plane containing the pivot axis of the links on the subshell and the pivot axis of the yoke on the cover, or includes therewith an acute angle opening towards the yoke.
  • This ensures that the distance between the attachment points of the links to the sub-shell and the attachment points of the yoke to .the cover is at a minimum, or almost a minimum, when the cover is closed; or in other words, the cover is pressed as tautly as possible to the entry aperture.
  • a supporting shell pivotable about an axis perpendicular to the central longitudinal plane, and embracing the foot from the rear, is attached to the sub-shell.
  • the said supporting shell may be locked with the yoke simultaneously with the closing ofith cover.
  • the links are attached to the sub-shell by means of a disc carrying an eccentric, the said eccentric projecting into a recess in the said supporting shell and resting against the edge thereof in such a manner that, when the yoke is closed, the supporting shell is pushed forwards.
  • the eccentricity of the eccentric is BRIEF DESCRIPTION OF THE DRAWINGS Additional advantages and characteristics of the present invention may be gathered from the following description of preferred examples of embodiment, from the sub-claims, and from the drawings, wherein:
  • FIG. 1 is a front elevation of a ski boot according to the invention
  • FIG. 1a and lb are cross sections along the lines lala and lb-1b in FIG. 2; these are intended to illustrate schematically the internal shape of the upper;
  • FIG. 2 is a side elevation of the ski boot illustrated in FIG. 1, with a first example of a fastening means;
  • FIG. 3 is a view from above of the ski boot illustrated in FIG. 2;
  • FIG. 4a and 4b are detail sections through the boot along the line IVIV in FIG. 2, through a fastening means whereby the cover and the supporting shell may be locked simultaneously, and a side elevation of a part of this fastening means;
  • FIG. 5a and 5b show another method for locking the supporting shell
  • FIG. 6, like FIG. 3, is a view from above of a ski boot according to the invention, showing another type of fastening for the supporting shell, and
  • FIG. 7 is a view from above of still another means of fastening the supporting shell.
  • a moulded ski boot according to the invention consists of a sub-shell 1 made largely of rigid plastic and an also largely rigid cover 2.
  • Sub-shell 1 comprises a sole 3, moulded directly on, and rear portion 4 of the upper which encloses the foot from both sides to above the ankle bone in a forward direction.
  • Cover 2 is attached to the front end of sub-shell 1 by means of a hinged joint 5, in such a manner that the said cover may be swung upwards about the axis of the said hinged joint, which axis is perpendicular to the central longitudinal plane of the boot.
  • Hinged joint 5 may consist of pins arranged on cover.2 or sub-shell 1 co-operating with corresponding holes in the sub-shell or the cover. It is advisable, however, that the said hinged joint be such that cover 2 is connected to sub-shell l, at the hinge location, by a thin strip of plastic moulded directly on.
  • FIG. 1 shows that the ski boot according to the invention is largely symmetrical about the central longitudinal plane perpendicular to sole 3. This also applies to the outer shape of sub-shell 1 and cover 2, and to its inner configuration, as shown in FIGS. 1a and 1b,
  • Adaptation of the ski boot to the shape of the skiers foot is elfected, in the example of embodiment illustrated, in that, at the first fitting, a hardenable, preferably foamable plastic compound is injected through a valve, not shown, in the centre line of the heel, into the interior of the shoe, between the users foot and the outer shell.
  • Cover 2 closes ofi an entry aperture (FIG. 1), the edge of which has a resilient sealing bead 7 to which the cover is pressed when closed. This prevents the entry of any snow or water. Sealing bead 7 is preferably stuck or welded on after the shell has been made.
  • connection between cover 2 and sub-shell 1 to ensure that the skiers foot is held securely and that the slightest movement of the foot is transferred to the ski.
  • this connection is accomplished by means of a yoke 8 which may be seen in FIGS. 2 and 3.
  • the said yoke is preferably made of metal and, as seen from above, is of a substantially U-shaped configuration its two legs having vertical Z-shaped jogs, producing an upper leg 8' and a lower leg 8".
  • Yoke 8 embraces the rear portion 4 of the upper part of sub-shell l on both sides from behind, so that the ends of upper legs 8' project over cover 2.
  • the said leg ends are hinged to the said cover in that pivot pins 9 welded or screwed thereto are inserted into a number of holes 10 in cover 2.
  • the free ends of pins 9 should preferably be provided with rearwardly pointing notches or recesses, to prevent the said pins from slipping out of holes 10.
  • each of the lower legs 8" of yoke 8 is hinged, on each side of sub-shell 1, to one end of a link 11, the other end of which is hinged at 12 to subshell 1.
  • Yoke 8 thus forms with link 1 1 a pivotable triarticulate joint which tightens cover 2 to sub-shell 1.
  • the arrangement is such that the connecting line between hinge point 12 of link 11 on sub-shell 1 and the hinge point of link 11 on yoke 8 forms, with plane E (FIG. 2), which contains the pivot axis formed by pivot pins 9 and the pivot axis passing through hinge point 12, an acute angle opening towards the direction of closing of yoke 8.
  • the back of yoke 8 has a grip 13 to facilitate lifting the yoke.
  • a recess may be provided at the centre line of the heel in part 4 of the upper.
  • a supporting shell 14 is provided within rear part of the upper, the said shell being made of a relatively stiff, dimensionally stable material and being approximately semi-circular in cross section.
  • the lower end of supporting shell 14 pivots on sub-shell 1, by means of rivets 15, about an axis perpendicular to the central longitudinal plane of the boot.
  • Shell 14 is preferably provided with padding 16 which allows the said shell to lie snugly but painlessly against the ankle. Pivoting of shell 14, and pressing it against the back of the foot; are effected simultaneously by the closing of cover 2 by means of yoke 8.
  • the mechanism used for this purpose is shown in FIGS. 4a and 4b.
  • link 11 is connected to a disc 17, at hinge point 12, by a square 18 in such a manner that it is hard to turn.
  • Disc 17 is substantially circular in shape, and is embedded in part 4 of sub-shell 1, so that it may rotate about its axis.
  • the surface facing the inside of the ski boot carried an eccentric 19 which projects through a recess 20 in shell 14 and is prevented from slipping out by a screwed-on cover plate 21.
  • Eccentric 19 is located at the edge of aperture 20 and, when link 11 is pivoted, the said eccentric pulls shell 14 forwards ina clockwise direction (Flg. 2). Since eccentric 19 exerts considerable force on the edge of aperture 20, the latter is preferably reinforced by an insert 22 attached by hollow rivets 23.
  • Aperture 20 may be of any configuration which does not impede the vertical movement of eccentric 19. If is preferably in the form of an elongated vertical hole.
  • the configuration of eccentric 19 may also differ from the sector shape illustrated. As shown in dotted lines at 24 (FIG. 4b), it is also possible to displace eccentric 19 radially of disc 17, which makes it possible to alter its eccentricity.
  • the pivoted position of supporting shell 14 may thus be adapted to the individual requirements of the skier.
  • eccentric 19 is attached to disc 17, for instance by means of a screw, now shown.
  • FIGS. 50 and 5b show two protuberances 25 of the same height directly cast-on or injection moulded in the vicinity of the upper end of part 4 of the boot upper, the said protuberances serving to accommodate bearing shaft 26 of a pivotable bell-crank of cam 27.
  • Cam 27 passes thorugh an opening 28 in part 4 and its free end presses against the back of shell 14.
  • cam 27 is attached to a tension clip 29 which is of a substantially U-shaped configuration, the ends of the legs thereof being bent round in order to engage in appropriate holes in cam 27.
  • a tension clip 29 which is of a substantially U-shaped configuration, the ends of the legs thereof being bent round in order to engage in appropriate holes in cam 27.
  • the angle of pivot of cam 27 is preferably made adjustable by means of a screw 31 in clip 2 which rests against eccentric lock 30.
  • a strap 33 passing through a slot 32 in part 4, is used to pivot supporting shell 14, the two ends of the said strap being affixed to a latch 34 in such a manner that the length of the said strap may be increased or decreased by raising or lowering the said latch. If the length of the strap is decreased, the part lying inside part 4 against supporting shell 14 is tautened, whereby the said shell 14 is pivoted forward.
  • FIG. 7 shows an example of embodiment in which the pivoted position of supporting shell 14 may be altered by means of an adjusting screw 35 adapted to be screwed into part 4 at the centre line of the heel. If required, the free end-face of screw 35 may carry an adjusting scale which makes it possible to check and easily reproduce the pivoted position of the supporting shell.
  • the designs outlined above, for linking cover 2 and supporting shell 14, are of particular advantage in carrying out the concept of the invention, i.e. to keep'the outer shape, and possibly also the inner shape of the outer shell. of both ski boots of a pair the same, since they make it possible to maintain the required symmetry.
  • the said designs are not restricted to ski boots of this configuration, but may also be used with advantage for conventional as symmetrical ski boots.
  • the hinge point of yoke 8 may also be located lower in the cover, near where the said cover buckles, in order to increase the pressure in this area.
  • cover 2 and supporting shell 14 are provided with conventional padding, the purpose of which is to avoid pressure points on the foot and to secure and hold the foot firmly.
  • a ski boot having a plastic outer shell comprising: a substantially rigid sub-shell having an outer sole and an upper covering a foot to above the ankle region of the foot, said outer shell being internally and externally generally symmetrical about its central longitudinal plane and being identical for both boots of a pair, a padding in said outer shell adapted to the shape of a foot, an entry aperture in said upper extending as far as the top edge thereof, and adapted to be closed by a cover forming a part of said upper; said cover being substantially rigid and forming the remainder of said upper and being adapted to be placed and locked over said entry aperture; said sub-shell forming the rear part of said upper and in the instep area of said sub-shell, the cover is pivotable about an axis perpendicular to the central longitudinal plane.
  • a supporting shell embracing the foot from behind, pivots on the sub-shell about an axis perpendicular to the central longitudinal plane and is adapted to be locked by said yoke simultaneously with the closing of said cover.
  • each of said links are connected to said sub-shell by means of a disc carrying an eccentric, and said eccentric projecting into a recess in said supporting shell and resting against the edge thereof in such a manner that it pushes the supporting shell forward when said yoke is closed.
  • the said supporting-shell is made from a substantially rigid material and a cam is pivotably supported on the sub-shell passing through an opening in the sub-shell and pressing against the supporting-shell.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
US00227906A 1971-02-24 1972-02-22 Ski boot Expired - Lifetime US3792537A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712108711 DE2108711A1 (de) 1971-02-24 1971-02-24 Im Giessverfahren hergestellter Sport schuh, insbesondere Skischuh

Publications (1)

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US3792537A true US3792537A (en) 1974-02-19

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ID=5799664

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Application Number Title Priority Date Filing Date
US00227906A Expired - Lifetime US3792537A (en) 1971-02-24 1972-02-22 Ski boot

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US (1) US3792537A (enrdf_load_stackoverflow)
DE (1) DE2108711A1 (enrdf_load_stackoverflow)
FR (1) FR2127470A5 (enrdf_load_stackoverflow)

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060256A (en) * 1974-11-28 1977-11-29 Ets. Francois Salomon Et Fils S.A. Device for connecting a skier's leg to a ski
US4391049A (en) * 1980-02-12 1983-07-05 Calzaturificio S.C.A.R.P.A. S.N.C. Di Parisotto Francesco & C. Covering element or tongue for rock-climbing and similar sport boots
US5426872A (en) * 1993-02-16 1995-06-27 Tetra Sports Corporation Ski boot closure system
US5441015A (en) * 1991-08-20 1995-08-15 Farley; Michael D. Compression boot and method for treatment of injured limb
US5725489A (en) * 1994-10-12 1998-03-10 N.E.S.S. Neuromuscular Electrical Stimulation Systems Ltd. Splint structure
US20100234782A1 (en) * 2008-05-15 2010-09-16 Irving Hu Circumferential walker
USD729393S1 (en) 2014-03-27 2015-05-12 Ossur Hf Outsole for an orthopedic device
USD742017S1 (en) 2014-03-27 2015-10-27 Ossur Hf Shell for an orthopedic device
USD744111S1 (en) 2014-03-27 2015-11-24 Ossur Hf Orthopedic device
US9248042B2 (en) 2012-09-12 2016-02-02 Yessenia Lopez Dorsal foot splint
US9492305B2 (en) 2013-03-15 2016-11-15 Ortho Systems Orthopedic walking boot with heel cushion
US9510965B2 (en) 2014-07-01 2016-12-06 Ortho Systems Adjustable walking apparatus
US9668907B2 (en) 2013-09-25 2017-06-06 Ossur Iceland Ehf Orthopedic device
US9744065B2 (en) 2013-09-25 2017-08-29 Ossur Hf Orthopedic device
US9839548B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
US9839549B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
US10039664B2 (en) 2013-03-15 2018-08-07 Ortho Systems Overmolding for an orthopedic walking boot
US10058143B2 (en) 2013-12-12 2018-08-28 Ossur Hf Outsole for orthopedic device
USD846130S1 (en) 2018-01-31 2019-04-16 Ortho Systems Knee brace
US10391211B2 (en) 2015-01-26 2019-08-27 Ossur Iceland Ehf Negative pressure wound therapy orthopedic device
US10449078B2 (en) 2013-03-15 2019-10-22 Ovation Medical Modular system for an orthopedic walking boot
US10863791B2 (en) 2011-04-07 2020-12-15 Ovation Medical Removable leg walker
US10939723B2 (en) 2013-09-18 2021-03-09 Ossur Hf Insole for an orthopedic device
US12156825B2 (en) 2018-02-02 2024-12-03 Ossur Iceland Ehf Orthopedic walker

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3849914A (en) * 1972-09-01 1974-11-26 F B S A S Dia Bertele Giovanni Ski boot
CH587620A5 (enrdf_load_stackoverflow) * 1974-11-28 1977-05-13 Salomon & Fils F
FR2450574A1 (fr) * 1979-03-06 1980-10-03 Blanc Roger Chaussure de ski
EP0255680B1 (en) * 1986-08-01 1993-03-03 NORDICA S.p.A. Closure and adjustment device, particularly for ski boots
FR2613914B1 (fr) * 1987-04-17 1989-06-09 Salomon Sa Chaussure de ski alpin
EP0307746B1 (en) * 1987-09-17 1993-07-14 NORDICA S.p.A. Ski boot with improved wearability
CH680557A5 (enrdf_load_stackoverflow) * 1989-08-28 1992-09-30 Lange Int Sa
FR2653310A1 (fr) * 1989-10-24 1991-04-26 Rossignol Sa Chaussure de ski en matiere plastique.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374561A (en) * 1965-10-20 1968-03-26 Rosemount Eng Co Ltd Hydrostatic pad for ski boot
US3521385A (en) * 1968-05-02 1970-07-21 Melvin W Dalebout Ski boot
DE1962632A1 (de) * 1969-12-13 1971-06-16 Franz Heili Schuh,insbesondere Skischuh

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374561A (en) * 1965-10-20 1968-03-26 Rosemount Eng Co Ltd Hydrostatic pad for ski boot
US3521385A (en) * 1968-05-02 1970-07-21 Melvin W Dalebout Ski boot
DE1962632A1 (de) * 1969-12-13 1971-06-16 Franz Heili Schuh,insbesondere Skischuh

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060256A (en) * 1974-11-28 1977-11-29 Ets. Francois Salomon Et Fils S.A. Device for connecting a skier's leg to a ski
US4391049A (en) * 1980-02-12 1983-07-05 Calzaturificio S.C.A.R.P.A. S.N.C. Di Parisotto Francesco & C. Covering element or tongue for rock-climbing and similar sport boots
US5441015A (en) * 1991-08-20 1995-08-15 Farley; Michael D. Compression boot and method for treatment of injured limb
US5426872A (en) * 1993-02-16 1995-06-27 Tetra Sports Corporation Ski boot closure system
US5725489A (en) * 1994-10-12 1998-03-10 N.E.S.S. Neuromuscular Electrical Stimulation Systems Ltd. Splint structure
US10064749B2 (en) 2008-05-15 2018-09-04 Ossur Hf Circumferential walker
US9333106B2 (en) 2008-05-15 2016-05-10 Ossur Hf Circumferential walker
US9492301B2 (en) 2008-05-15 2016-11-15 Ossur Hf Circumferential walker
US9468553B2 (en) 2008-05-15 2016-10-18 Ossur Hf Circumferential walker
US20100234782A1 (en) * 2008-05-15 2010-09-16 Irving Hu Circumferential walker
US9220621B2 (en) 2008-05-15 2015-12-29 Ossur Hf Circumferential walker
US8506510B2 (en) * 2008-05-15 2013-08-13 Ossur Hf Circumferential walker
US10863791B2 (en) 2011-04-07 2020-12-15 Ovation Medical Removable leg walker
US9248042B2 (en) 2012-09-12 2016-02-02 Yessenia Lopez Dorsal foot splint
US10449078B2 (en) 2013-03-15 2019-10-22 Ovation Medical Modular system for an orthopedic walking boot
US10085871B2 (en) 2013-03-15 2018-10-02 Ovation Systems Overmolding for an orthopedic walking boot
US9492305B2 (en) 2013-03-15 2016-11-15 Ortho Systems Orthopedic walking boot with heel cushion
US10039664B2 (en) 2013-03-15 2018-08-07 Ortho Systems Overmolding for an orthopedic walking boot
US10939723B2 (en) 2013-09-18 2021-03-09 Ossur Hf Insole for an orthopedic device
US11969373B2 (en) 2013-09-25 2024-04-30 Ossur Iceland Ehf Orthopedic device
US9668907B2 (en) 2013-09-25 2017-06-06 Ossur Iceland Ehf Orthopedic device
US9744065B2 (en) 2013-09-25 2017-08-29 Ossur Hf Orthopedic device
US9839548B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
US9839549B2 (en) 2013-09-25 2017-12-12 Ossur Iceland Ehf Orthopedic device
US9839550B2 (en) 2013-09-25 2017-12-12 Ossur Hf Orthopedic device
US10646368B2 (en) 2013-09-25 2020-05-12 Ossur Hf Orthopedic device
US10993826B2 (en) 2013-09-25 2021-05-04 Ossur Iceland Ehf Orthopedic device
US10058143B2 (en) 2013-12-12 2018-08-28 Ossur Hf Outsole for orthopedic device
USD744111S1 (en) 2014-03-27 2015-11-24 Ossur Hf Orthopedic device
USD776289S1 (en) 2014-03-27 2017-01-10 Ossur Hf Shell for an orthopedic device
USD776288S1 (en) 2014-03-27 2017-01-10 Ossur Hf Shell for an orthopedic device
USD772418S1 (en) 2014-03-27 2016-11-22 Ossur Hf Shell for an orthopedic device
USD742017S1 (en) 2014-03-27 2015-10-27 Ossur Hf Shell for an orthopedic device
USD729393S1 (en) 2014-03-27 2015-05-12 Ossur Hf Outsole for an orthopedic device
US10449077B2 (en) 2014-07-01 2019-10-22 Ovation Medical Adjustable walking apparatus
US9510965B2 (en) 2014-07-01 2016-12-06 Ortho Systems Adjustable walking apparatus
US10391211B2 (en) 2015-01-26 2019-08-27 Ossur Iceland Ehf Negative pressure wound therapy orthopedic device
USD846130S1 (en) 2018-01-31 2019-04-16 Ortho Systems Knee brace
US12156825B2 (en) 2018-02-02 2024-12-03 Ossur Iceland Ehf Orthopedic walker

Also Published As

Publication number Publication date
DE2108711A1 (de) 1972-09-07
FR2127470A5 (enrdf_load_stackoverflow) 1972-10-13

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