US3779569A - Safety front jaw for ski bindings - Google Patents

Safety front jaw for ski bindings Download PDF

Info

Publication number
US3779569A
US3779569A US00132324A US3779569DA US3779569A US 3779569 A US3779569 A US 3779569A US 00132324 A US00132324 A US 00132324A US 3779569D A US3779569D A US 3779569DA US 3779569 A US3779569 A US 3779569A
Authority
US
United States
Prior art keywords
jaw
pair
links
arms
projections
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
Application number
US00132324A
Other languages
English (en)
Inventor
R Ramillon
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US3779569A publication Critical patent/US3779569A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever
    • 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
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08535—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw
    • A63C9/0855—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw pivoting about a vertical 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
    • A63C9/005—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
    • A63C9/0805—Adjustment of the toe or heel holders; Indicators therefor

Definitions

  • This releasable front hold-down device or toe clamp 0 for ski binding has a boot-engaging jaw adapted to [30] Forelgn Apphcatlon Pnoniy Data shift laterally within a predetermined range of dis- A r. 14, 1970 France 7013488 placement beyond which the toe end of the ski boot is released. It comprises to this end at least one pair of [52] US. Cl. 280/1l.35 T links dispersed symmetrically on either side of the [51] Int. Cl.
  • the present invention relates in general to ski bindings and has specific reference to a safety front jaw of the type adapted r'eleasably to hold the toe end of a ski boot.
  • ski bindings comprise a clamp or rear holddown device and a front retaining jaw or toe clamp, both clamps contributing to safely retainingthe skiers boot on the ski.
  • these heel and toe clamps are so constructed that they will release the boot from the ski if a force exceeding a predetermined, adjustable value is exerted on the skiers leg.
  • the front jaw is adapted to pivot, swing or move by translation in a plane parallel to the ski in case an abnormal torsion stress is exerted on-the skiers leg.
  • my invention aims at providing an improved safety, toe clamp of the type wherein the body of the device is pivotally mounted on a base plate and connected through a pair of links to a boot-retaining jaw' so as to form therewith a shiftable linkage.
  • the pivot pin pivotally connecting the body of the device to the base plate lies within the quadrilateral defined by that body, said pair of links and the boot-retaining jaw, these links extending beyond the pivot pins connecting them to the body so as to coact with abutments rigid with the base plate in such a manner that the jaw can move generally parallel to itself while compressing a spring constantly urging the assembly to its initial position as long as the lateral stress exerted on the jaw remains below a predetermined, adjustable maximum value beyond which the jaw movement is such that the link extremities are disengaged from the stationary abutments of the base plate, whereby the body oscillates freely and is no longer urged automatically to its initial or operative position.
  • the extremities of the pair-of links interconnecting the body and the boot-retaining jaw are each provided with a cam-shaped front end adapted to engage a respective abutment-forming roller carried by the base plate, the movement of the edge of either of these extensions on the corresponding roller determining the distance along which the jaw can move and return automatically to its initial or centered position under the pressure of said spring.
  • the amplitude of the permissible movement of the jaw is determined by the length of the cam-forming portions of the front ends of the two link extremities.
  • a coiled compression spring is used; this spring, housed in a longitudinal bore formed in the body of the jaw, bears with one end against the inner end of an adjustable screw accessible from the front end of the body and with the opposite end against a ball also housed freely in that bore and urged 'by the spring against a pair of inner confronting lateral projections each formed on the pair of links connecting the body to the clamp jaw.
  • the assembly of my improved toe clamps may be simplified considerably while increasing its strength by dividing the two links into four arms interconnecting the body and jaw, namely a pair of lower arms formed with the cam-shaped front ends determining the mode of operation of the device, and a pair of upper amrs parallel thereto, the latter being provided with the confronting lateral projections engageable by the springurged ball.
  • FIGS. 1, 2 and 3 are diagrammatic plan views from above given for explaining the mode of operation of the device of the present invention
  • FIG. 4 is a perspective view of the device
  • FIGS. 5 and 6 are horizontal sections taken along-the lines 5-5 and 6-6 of FIG. 7, respectively; and I FIG. 7 is a vertical cross-section taken along the line 7--'7 of FIG. 6.
  • the releasable front clamp or boot-retaining device illustrated in FIGS. 4 to 7 comprises essentially the following component elements a base plate 2, a clamp body 3, a jaw support 4 and a toe-engaging jaw 5.
  • the base plate 2 is secured by means of screws to the top surface 6 of the ski. It carries in its front portion a pair of rollers 7 having their axes perpendicular to the ski surface and in its rear portion a vertical pivot pin 8 defining a swing axis for the body 3 of the device.
  • the body 3 has formed therein a longitudinal throughgoing bore 9 whose front end is tapped for receiving a headless adjustable screw 10.
  • a pair of horizontal coplanar slots 12 open into the centrally extending bore 9.
  • the body 3 has a pair of lateral, symmetrical vertical holes 13 extending throughout its height and also through the slots 12, as shown.
  • the jaw support 4 comprises conventional means for fastening the jaw 5- and permitting the vertical movement thereof for setting same in the vertical position consistent with the thickness of the boot sole; these means consist notably of a screw 14 shown in FIG. 4. Furthermore, a pair of lateral, symmetrical vertical holes 15 pass through the jaw support 4.
  • each arm l6, 17 has formed therein a pair of holes aligned with the holes 13 and 15 present on the same side in the body 3 and the jaw support 4, and vertical pins extend through these holes, as follows a first pair of pivot pins 18 extend through the holes 13 of body 3 as well as the corresponding holes of arms 16 and 17;
  • the lower pair of arms 16 comprise integral forward extremities or extensions projecting well beyond the pins 18; their front ends 21 are cam-shaped and each adapted to coact with a corresponding roller 7 carried by the base plate 2.
  • the pair of upper arms 17 comprise confronting or inner lateral lugs with sloping edges 22 together forming a cradle engageable by a ball 23 disposed freely in the rear portion of the bore 9 of body 3 and pressed against these lugs by a compressive coil spring 24 bearing against adjustment screw 10.
  • the two pairs of link pins 18 and 19 constitute the pivots interconnecting the four sides of a quadrilateral linkage comprising the body 3, the two pairs of arms 16, 17 and the jaw support 4; furthermore, the central pivot pin or fulcrum 8 of the body 3 is disposed within the outline of the quadrilateral defined by pivots l8 and 19.
  • FIGS. 1, 2 and 3 consituting very diagrammatic views wherein the pair of links are represented by a single pair of arms 16.
  • the resistance of the jaw to these lateral movements is determined by the loading pressure of spring 24 bearing upon the spherical member 23.
  • the force of spring 24 is adjustable by varying the position of screw (FIGS. 4 and 6).
  • the component elements of the device are constantly biased into their normal operative position as long as the lateral force exerted on the jaw, for example in the direction of the arrow 25 of FIG. 2, remains inferior to the aforementioned maximum.
  • the operating characteristics of the device may be modified by using links 16 having different cam contours 21 at their front ends.
  • a toe clamp for a ski binding comprising:
  • a horizontal base plate fasten able to the upper surface of a ski
  • a body formed with a central horizontal bore and pivotally secured to said base plate at a fulcrum defining a vertical swing axis, said bore being provided with a tapped end;
  • a toe clamp as defined in claim 1 wherein said abutment means comprises a pair of rollers, said extremities being provided with cam-shaped ends contacting said rollers.
  • each of said links comprises two parallel arms, one'pair of said arms being provided with said extremities, the other pair of said arms being provided with said projections.
  • a toe clamp for a ski binding comprising:

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
US00132324A 1970-04-14 1971-04-08 Safety front jaw for ski bindings Expired - Lifetime US3779569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7013488A FR2086942A5 (enrdf_load_stackoverflow) 1970-04-14 1970-04-14

Publications (1)

Publication Number Publication Date
US3779569A true US3779569A (en) 1973-12-18

Family

ID=9053953

Family Applications (1)

Application Number Title Priority Date Filing Date
US00132324A Expired - Lifetime US3779569A (en) 1970-04-14 1971-04-08 Safety front jaw for ski bindings

Country Status (6)

Country Link
US (1) US3779569A (enrdf_load_stackoverflow)
AT (1) AT314398B (enrdf_load_stackoverflow)
CA (1) CA927861A (enrdf_load_stackoverflow)
CH (1) CH523078A (enrdf_load_stackoverflow)
DE (1) DE2116490A1 (enrdf_load_stackoverflow)
FR (1) FR2086942A5 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831957A (en) * 1972-03-01 1974-08-27 R Ramillon Safety toe-end device for ski binding
US3873113A (en) * 1972-11-27 1975-03-25 Willy Suhner Ski safety binding for the toe of a ski boot

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366394A (en) * 1965-08-17 1968-01-30 Ever New Inc Ski boot heel binding device
US3552759A (en) * 1968-06-01 1971-01-05 Paul Unger Heel retainer for ski binding
US3594014A (en) * 1968-02-28 1971-07-20 Georges P J Salomon Safety ski binding
US3692322A (en) * 1969-07-04 1972-09-19 Marker Hannes Toe- or heel-holding device for safety ski bindings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366394A (en) * 1965-08-17 1968-01-30 Ever New Inc Ski boot heel binding device
US3594014A (en) * 1968-02-28 1971-07-20 Georges P J Salomon Safety ski binding
US3552759A (en) * 1968-06-01 1971-01-05 Paul Unger Heel retainer for ski binding
US3692322A (en) * 1969-07-04 1972-09-19 Marker Hannes Toe- or heel-holding device for safety ski bindings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831957A (en) * 1972-03-01 1974-08-27 R Ramillon Safety toe-end device for ski binding
US3873113A (en) * 1972-11-27 1975-03-25 Willy Suhner Ski safety binding for the toe of a ski boot

Also Published As

Publication number Publication date
AT314398B (de) 1974-04-10
FR2086942A5 (enrdf_load_stackoverflow) 1971-12-31
CA927861A (en) 1973-06-05
CH523078A (fr) 1972-05-31
DE2116490A1 (de) 1971-10-28

Similar Documents

Publication Publication Date Title
US2836428A (en) Ski binding having swivelable heel securing means
US4348036A (en) Safety binding for nordic skis
US2858137A (en) Automatically releasable ski binding
US3291500A (en) Heel-holding device for ski safety binding
US3752491A (en) Safety ski binding system
US3810644A (en) Ski binding
US3572738A (en) Securing head for safety ski bindings
US3866928A (en) Safety ski binding
US3583719A (en) Safety ski binding
US3667770A (en) Ski-binding toe mechanism
US3612559A (en) Toe binding
US3779569A (en) Safety front jaw for ski bindings
US3675937A (en) Safety bindings for skis
US3950002A (en) Front jaws for ski bindings
US2844381A (en) Automatically releasable safety arrangement for securing a ski to a skier's boot
US4883286A (en) Toe piece for safety ski binding
US4732405A (en) Safety ski binding
US3594014A (en) Safety ski binding
US3743308A (en) Ski binding
US3107102A (en) Safety securing means for skis
US4629208A (en) Safety ski binding
US3743310A (en) Sole support device
US3776568A (en) Toe iron for safety ski bindings
US3831957A (en) Safety toe-end device for ski binding
US6951347B2 (en) Front binding for gliding-sports device