Abstract: A binding coupled ski boot shaft delatching device is described in which the pivotable shaft 12 of the boot can be latched with the lower part 14 of the boot via a latching lever 20. The latching lever 20 is pivotable inwardly into a latching position by a sole clamp 64 against a spring force 34. In this way a falsification of the preset release characteristic of the sole clamp through possible interference of the shaft delatching device with the binding is precluded.

Abstract: A safety ski binding includes two lateral retention wings movable about respective journal axes. Two frontal support elements are also journalled about the journal axis and include rolling rear surfaces which support and roll against the sole of a ski boot during lateral release of the boot from the binding. The rolling surfaces includes arcs of a circle having different radii of curvature.

Abstract: A toe unit of a ski safety binding has a housing (15) which is fixedly mountable on a ski, a release spring (14) and sole clamp arms (18) which are pivotable outwardly to the side relative to the housing against spring force and which locate the tip of an inserted ski boot in the sideways direction on the ski (40), but pivot sideways outwardly against the spring force and release the ski boot on the occurrence of sideways forces which lie above a predetermined release value. The space for movement (11) between the housing (15) and the outwardly pivotable sole clamp arms (18) is filled out, at least in the regions which border on the outside atmosphere, and preferably radially outside of the associated pivot axis (13), by an elastic filling piece (12).

Abstract: A binding for releasably securing an end of a ski boot to a ski including a body having a jaw for engaging a portion of the end of the boot, wherein the jaw includes a pair of wings mounted for lateral movement from an engagement position to a release position in response to the application of a release threshold force of a predetermined magnitude laterally against the jaw. The body is further mounted for movement in a direction substantially perpendicular to the lateral movement. An energization device is included for biasing the jaw toward the engagement position, against which the threshold force is applied to move the jaw from the engagement position to the release position. The binding further includes an assembly responsive to lateral movement of the end of said boot for applying a force against the energization device.

Abstract: A ski binding for retaining an end of a boot on a ski, including a body preferably mounted for pivoting vertically with respect to the ski, a jaw having a pair of arms arranged for lateral movement and elastic bias relative to the body and, further, having a pair of lateral wings arranged for lateral movement on respective lateral arms. Upon movement of one of the lateral arms of the jaw a predetermined amount in response to a lateral force exerted by the boot against a respective wing of a lateral arm, the wing is caused to move laterally outwardly from its lateral arm to release the boot. Further, upon a certain amount of lateral movement of an arm, upward movement of the body is used to reduce the lateral release threshold of the binding.

Abstract: A toe unit for a safety ski binding for disposal on a horizontal surface of a ski includes a base adapted to be mounted on the ski, a bolt having a lower end and an upper end, and a mounting portion for mounting the lower end of the bolt to the base. The mounting portion permits axial movement of the bolt between a first position and a second position, and secures the bolt substantially perpendicular to the horizontal surface of the ski when the bolt is in the first position. The mounting portion also permits pivotal movement of the bolt about a location on the base when the bolt is in the second position. The toe unit also includes a sole contact portion attached to the bolt for retaining a sole of a boot and for moving the bolt axially from the first position to the second position in response to a predetermined force exerted by the boot in a direction away from the base.

Abstract: A ski binding mechanism for retaining a ski boot in fixed position on a ski and providing for release of the binding at any angle and for precisely controlling the required forces at various release angles. A plurality of retaining points each consisting of a spring plunger mechanism with a spherical tip which is fitted to a contoured retaining socket or groove in the boot sole plate, and the socket or groove is milled away at it's periphery are varying angles. In one embodiment, a plunger is mounted on a rocker arm to counter balance ski brake forces and to facilitate removal by altering release force levels.

Abstract: A binding for retaining an end of a boot upon a ski. The binding includes a body, a device for securing the body to the ski, and a retention jaw for engagement with the end of the boot in an engagement position. The retention jaw includes a first arm and a second arm mounted on the body on respective sides of the longitudinal axis of the binding for lateral movement with respect to the body, and a first wing and a second wing mounted for lateral movement, respectively, on the first arm and on the second arm. The first wing and the second wing have a closed position in which the first wing and the second wing are substantially fixed for movement with the first arm and the second arm, respectively. The binding further includes a mechanism for elastically biasing the jaw in the engagement position and the wings in the closed position. Further, a member is provided for connecting the first wing and the second wing together for lateral movement and a linking mechanism for the first wing and the second wing.

Abstract: In accordance with the present invention, there is provided a toe piece for holding a ski-boot in a safety ski-binding, which toe piece is pivotable against a biasing force when excessive side forces occur. The toe piece includes a base plate, a housing mountable to the base plate and a pair of elongated, generally parallel side members, each pivotally mounted at one end of the base plate. A coupling member pivotally connects the other ends of the side members to each other to form a linkage. The linkage is laterally movable relative to the base plate about the pivotally mounted ends of the side members. A detent assembly operable against a biasing force is provided for centering the linkage. The toe piece also includes a pair of side boot holders pivotally connected to the coupling member. A lever centrally located relative to the side boot holders has end portions in operative engagement with the side boot holder.

Abstract: A safety binding for binding a boot to a ski, which includes first and second laterally pivotable independent wings adapted to retain one end of the boot on the ski. Each of the wings is mounted to pivot around respective first and second lateral pivot axes. Elastic return means bias each of the wings towards a centered stable maintenance position of the boot. The apparatus includes a movable antifriction plate adapted to slide laterally in a sliding zone of the upper surface of the ski. An intermediate linkage assembly is provided for associating the antifriction plate with the binding wings. The intermediate linkage assembly is adapted whereby lateral pivoting of either of the wings permits rearward movement of the linkage assembly whereas return of either of the wings to the centered position assures the return of the intermediate linkage assembly towards its front longitudinal extreme position.

Abstract: A safety binding comprises a fixed body and two independent wings which are laterally pivotable on a stationary member. An anti-friction plate can be pivotably mounted around a fixed axis and comprises two openings which respectively receive two arms which are affixed to two independently movable wings. The abutments or arms limit the extent of movement of the anti-friction plate, and insure its automatic recentering.

Abstract: A safety ski binding has a toe unit arranged in front of a front foot plate (21) and a heel unit which exerts a forwardly directed thrust force on the toe unit via the inserted ski boot. The toe unit has a sole clamp (16) which supports the front part of the sole (14) of the ski boot (15) from the front, sideways and from above and is pivotable against a substantially forwardly directed spring force about a respective one of two substantially vertical axes of rotation (17) provided on both sides of the vertical central longitudinal plane (11). An abutment (18) which faces downwardly and forwardly is provided on the sole clamp (16) at the region between the axes of rotation (17) and cooperates with an inclined surface (19) which is fixed relative to the housing and which extends downwardly and rearwardly from the top.

Abstract: A binding is provided which includes first and second distinct jaws which are rotatable about respective distinct axes of the body of a binding. The jaws are both biased by a common spring via one or more transverse arms having ends which abut the front portions of the respective jaws. Rotation of one of the jaws, and subsequent release of a boot retained thereby, effects compression of the spring and reduces the release threshold of the other jaw, thereby minimizing injury to a skier.

Abstract: A ski binding mechanism for retaining a ski boot in fixed position on a ski and providing for release of the binding at any angle and for precisely controlling the required forces at various release angles. A plurality of retaining points each consisting of a spring plunger mechanism with a spherical tip which is fitted to a contoured retaining socket or groove in the boot sole plate, and the socket or groove is milled away at its periphery are varying angles. In one embodiment, a plunger is mounted on a rocker arm to counter balance ski brake forces and to facilitate removal by altering release force levels.

Abstract: A toe piece for holding a ski-boot in a safety ski binding, which toe piece is pivotable against a biasing force when excessive side forces occur. The toe piece includes a base plate and a pair of elongated, generally parallel side members, each of which is pivotally mounted at one end of the base plate. A coupling member pivotally connects the other ends of the side members to each other to form a linkage. The linkage is laterally movable relative to the base plate about the pivotally mounted ends of the side members.

Abstract: The safety ski binding comprises a base plate on which a spring housing for a release spring is mounted for displacement transversely on the longitudinal direction of the ski. Mounted in the spring housing are two hinged jaws laterally engaging a ski boot and rotatably supported about vertical axes.For improving the retention of the ski boot and for facilitating the lateral release in the case of a rearward torsion fall, a U-shaped pivot member is mounted on a transverse axial member in the spring housing and supports a further transverse axial member supporting a catch lever subjected to the action of the release spring to be engaged with a nose of a clamp retainer rotatably mounted about another transverse axial member, which suppports a sole clamp.

Abstract: A toe piece for safety ski-bindings, which toe piece can pivot outwardly in a sideways direction against a biasing force if excessive lateral forces occur. A supporting member (8) is connected to two side holding members (9,10) adapted to support the sole of the boot in lateral and frontal directions. The support member (8) forms the coupling means of a linkage quadrangle which can pivot laterally. The side holding members (9,10) extend beyond the point where they are mounted to the support member. Each side holding member is releasably locked by means of a lever (27,28) mounted on the extensions thereof. A locking member (14) cooperative with the levers is adapted to release the appropriate side holding member when the linkage moves beyond a predetermined distance from center.

Abstract: A front piece for safety ski bindings having a sole holder adapted to be pivoted sideways against the force of a spring and serving to support the ski boot sole sideways and towards the front, a pedal for actuating a control mechanism which maintains the release resistance at least approximately constant and independent of the variable pressure applied to the pedal.

Abstract: A toe piece for a safety ski binding comprised of a base plate, and a pair of elongated, generally parallel side members each pivotally mounted at one end to the base plate. A connecting link having a detent depression pivotally connects the other ends of the side members to each other to form a linkage. The linkage is laterally movable about the pivotably mounted ends of the side members relative to the base plate. A pair of side jaws for laterally holding the sole of the ski boot are pivotally connected to the connecting link and are movable between a holding position and a release position. A lever is positioned between the side jaws and is pivotally connected to the connecting link.

Abstract: The invention relates to a front piece for safety ski-bindings. The front piece comprises a supporting member which can be pivoted sideways. Linked to the support member are side clamps for engaging the toe of a ski boot in order to hold the ski boot in the front piece of the safety ski-binding. The side clamps are releasable when a predetermined force is applied to the side of the ski binding. The binding of the present invention will automatically reset after the side clamp is released and the boot is free from the binding. An advantage of the mechanism of the present invention is that internal friction is minimized during the release/reset operation. This is achieved in part by the side clamps being designed such that they are extended beyond their respective points where they are pivotally attached to the supporting member.

Abstract: A toe piece for a safety ski binding having a pivotable rearwardly facing soleholder for releasably engaging the sole of a ski boot, a pedal having a series of ramps inclined towards opposite sides of the binding and joined by flattened junctures and engageable by lower support elements when the pedal is subjected to downward and sidewise forces for receiving forces which offset the frictional forces resulting from the engagement of the boot and the pedal. The tow piece further includes a second set of transverse ramps engageable by upper support elements when the pedal is subjected to upward and sidewise forces for receiving forces which offset the frictional forces resulting from the engagement of the boot and the pedal.

Abstract: A safety toe unit for a ski binding has two sole retaining jaws (11, 12) which can pivot laterally outwards in opposite directions. A respective projection (13, 14) of a pressure member (19) acts on each of the sole retaining jaws at the front between the pivot axes (15, 16) and shoe retaining rollers (17, 18). The pressure member (19) is arranged for displacement in the longitudinal direction of the ski substantially in front of the sole retaining jaws (11, 12) and is urged in a rearward direction by a compression spring (21) which is braced against a housing (20) which in operation is secured to the ski. The two pivot axes (15, 16) which are spaced by a small transverse distance (A) from the central longitudinal plane (22) are tilted slightly inwardly towards the vertical and central longitudinal axis (22). The pressure member (19) has an extension (24) which extends forwardly inside the coil spring (21) and which is journalled by means of a ball-shaped head (24' ) in an elongate guide sleeve (26).

Abstract: A release ski binding has a sole plate which is pivotal in its central region about an approximately vertical axis and is tiltable up about a transverse axis which is arranged in front of the vertical axis, which sole plate is held in the skiing position by a resilient holding mechanism which, during a release, effects an opening of the jaws which hold the ski show on the ski.In order to bring about a simple structural design of the binding, the holding mechanism has associated with it a spring housing which is movably supported on the sole plate, the spring of which spring housing urges a locking member for the jaws into the clamping position. The locking member is arranged on the sole plate.

Abstract: A release ski binding having a sole plate which is pivotal in its central region about a generally vertical axis and can be forwardly pivoted about a transverse axle which is arranged in front of the vertical axle, which sole plate is held in the skiing position by a resilient holding mechanism which, during a release, effects an opening of the elements which hold the ski shoe to the ski.In order to create a simple and reliable construction of the binding, a stepping bar, which is under the influence of an erecting spring, is supported on the sole plate, which stepping bar during a stepping down procedure, moves the elements into the ski boot clamping position.

Abstract: A display apparatus for displaying the state of adjustment of a ski binding jaw composed of a plurality of maintenance elements for maintaining the boot in the horizontal plane. The display apparatus includes a sensor for sensing the proper and improper adjustment of the maintenance elements with respect to the boot in a horizontal plane, and an indicator element which produces a perceptible signal when the maintenance elements are properly adjusted in the horizontal plane with respect to the boot. In one embodiment, the jaw comprises three maintenance elements, each of which contains a sensor. In this embodiment, an electrical circuit connects the sensors to the indicator element. When the boot contacts each of the sensors simultaneously, the electrical circuit is closed and the indicator element produces a perceptible signal. In another embodiment, three indicator elements are provided, each of which is attached to one of the sensors.

Abstract: A ski binding comprising two lateral clamps (4, 4') mounted displaceably under the action of a resilient member parallel to the plane of the ski (3) between a closed position in which the clamps coact with the sole of the boot and an open position. These clamps have when viewed from above a forwardly converging shape flaring rearwardly; the portion of each clamp adapted to coact in closed position with a medial portion of the sole of the boot forms a ramp that makes with the plane of the ski an acute angle increasing from the front (.alpha.) to the rear (.beta.). These clamps are carried by arms pivotally mounted on the ski behind the clamps. The ski boot (8) adapted to be maintained in operative position on a ski by the above binding comprises a sole (9) whose medial portion (10) has lateral edges forming ramps (11) corresponding to those of the clamps of the binding.

Abstract: A laterally releasable toe unit has two laterally pivotable side jaws (11) which are held in a ski boot retaining position by a yoke (26) on which a release spring (30) acts and which can be pivoted laterally while pushing the yoke rearwardly against the spring force to release the ski boot. A toe plate (15) which is movable by a small amount in a vertical direction is arranged behind a laterally fixed toe restrainer (13) and generates, via a force deflection transmission, a longitudinal force which is dependent on the contact force which acts on the toe and which counteracts the spring force via a bar member (12). At least one lever (14) which is acted on by the vertically displaceably or pivotably arranged toe restrainer (13) acts on the same bar member (12) in the same sense with a release force which is dependent on the vertically upwardly directed force acting on the toe restrainer (13).

Abstract: A safety ski binding having a pivotal binding plate releasably held in a skiing position, includes separate holder elements on opposite sides of the plate. The holder elements prevent lateral movement of the boot relative to the plate until the plate has been pivoted beyond a predetermined angle. On exceeding the angle, the holder elements may pivot freely to allow lateral release of the boot.

Abstract: A ski safety binding has a sole clamp 14, preferably formed as two sole clamp halves 14', 14", which is pressed by spring force against first and second abutment surfaces 12 provided on the binding housing 24 on respective sides of the central longitudinal axis 11. The first and second abutment surfaces 12 extend, at least in part, obliquely outwardly in the direction towards the ski boot in such a way that, during sideways release, the sole clamp 14 pivots about one or other of its points of contact 13 with the first and second abutment surfaces 12 and the associated point of contact 13 moves in the longitudinal direction of the ski in substantially exactly the same way as the vertical pivot axle 15 connecting the sole clamp to the release spring and draw rod assembly 31, 29 (FIG. 2). This means that the draw rod moves in a straight line without angular movement as in the prior art.

Abstract: The invention relates to a jaw, in particular a front jaw for safety ski bindings including a support member having at least two bolts therein symmetrically arranged with respect to a longitudinal center plane of the jaw and oriented perpendicularly with respect to the upper side of the ski. About each bolt is pivotally supported a two-arm sole holder, one arm of which engages the sole of a ski shoe and the other arm of which extends laterally inwardly toward the longitudinal axis of the ski and engages a part which is movable in the longitudinal direction of the ski against the force of a spring. The spring is supported at its one end on the support member and at its other end on an abutment which can be adjusted by means of an adjusting screw.

Abstract: A front jaw for a safety ski binding includes a support member mounted on a ski having a hold-down cooperable with a ski shoe sole supported for vertical movement, a pair of centering levers cooperable with the sides of the ski shoe sole supported for pivotal movement about vertical axes, and a compensating lever supported for pivotal movement about a substantially horizontal axis. One end of the compensating lever engages the top of the sole hold-down and the other end engages the centering levers. A spring urges the centering levers inwardly, and the centering levers in turn urge the compensating lever pivotally so that it urges the hold-down downwardly. When the sole hold-down is moved upwardly during a fall, it causes pivotal movement of the compensating lever which in turn causes pivotal movement of the centering levers outwardly away from the ski shoe sole against the force of the spring. Upward movement of the sole hold-down is limited by a stop.

Abstract: A ski binding front jaw has a support member and a slide member which are independently supported for movement longitudinally of the ski. The support member has a pair of two-arm sole holder levers supported for pivotal movement about vertical axes, a first arm of each sole holder being adapted to engage a ski boot and the second arm engaging the slide member. A spring engages the support member and slide member and urges them rearwardly and forwardly, respectively, the slide member in turn urging the sole holders pivotally so that the second arms thereof are urged against the ski boot. Respective stops limit forward and rearward movement of the slide member and support member, respectively. A forward force exerted on the support member moves it forwardly relative to the slide member against the force of the spring, so that the first arms of the sole holders become spaced from the slide member and the second arms of the sole holders can pivot freely outwardly.

Abstract: A cross-country ski boot binding having a pivot, the pivot disposed so that when a ski boot is in place on the binding, the skier can tilt the boot forward about the pivot thereby providing a rearward driving force or "kick" for an attached ski without any appreciable use of the ankle, foot or leg muscles.

Abstract: A ski binding front jaw has a cylindrical sleeve supported on a ski-fixed housing for axial movement parallel to the longitudinal axis of the ski in response to movement of ski boot engaging sole holders. An adjusting screw has an end portion rotatably and axially slidably supported in the sleeve, a threaded portion spaced from the end portion which threadedly engages an abutment, and a central portion of lesser diameter than the end portion adjacent thereto. A hollow cylinder is rotatably and axially slidably supported on the sleeve coaxial therewith by a first inner surface and has a second inner surface of greater diameter than the first surface adjacent thereto. The sleeve has a plurality of circumferentially spaced radial openings, and a spherical ball is disposed in each opening. The radial distances between the screw central portion and cylinder first surface and the screw end portion and cylinder second surface substantially equal the diameter of the balls.

Abstract: A ski binding, either a toe clamp or a heel clamp, which is provided with clamping arm rotatably supported by a post fitted on the top surface of a ski, the post having a pendulum to face a hungover end of the clamping arm which is urged toward the boot by a mild elastic member. A marginal clearance is provided between the end of the pendulum and the hungover end of the clamping arm, whereby the clamping arm is locked by the pendulum and keeps clamping the boot onto the ski under normal use of the skis, but the clamping arm is not locked by the pendulum and allows the ski boot to be readily disengaged from the ski under an abnormal condition, such as fall, which causes the pendulum to be out of the lock position. A modification of this generic configuration is possible, which gives elasticity to the clamping arm by means of a second, stronger elastic member. Use of plural pieces of the generic or modified clamping unit improves the function and provides a variety in performance.

Abstract: Under normal skiing conditions, two lateral arms of a jaw unit cooperate with the toe end of a ski boot in order to maintain the boot in the axis of the ski and are held in position with a force designated as the inherent stiffness of release. When an excessive twisting effort is exerted on the skier's leg, the arms both move in a transverse direction with respect to the ski in order to permit lateral disengagement of the boot. A toe abutment feeler member is in contact with the front end of the boot and cooperates with a spring-loaded piston unit in order to reduce the inherent stiffness of release as well as resistance to torsional disengagement in the event of a forward fall of the skier and/or of an axial thrust exerted by the boot, thus achieving considerably enhanced safety.

Abstract: A safety ski binding having a pair of sole holders pivotally secured to a base plate. Structure is provided for damping the movement of the sole holders to the ski boot releasing position. The damping mechanism includes a chamber having a fluid therein and a member movable in the chamber. The movable member in the chamber is connected through linkage to the sole holders and moves in response to a movement of the sole holders. The fluid on one side of the movable member will flow in a restricted manner to the other side thereof in response to sudden movements of the sole holders. The initial movement of the movable member is, therefore, restricted due to the fact that the fluid on the aforesaid one side of the movable member is restricted in its flow to the other side.

Abstract: A front jaw or a rear jaw for use in a ski binding arrangement. The jaw utilizes a support member which has a ski boot sole engaging structure for releasably holding the ski boot onto the ski. The ski boot holding structure facilitates a movement of the ski boot relative to the ski during a release operation in both the horizontal and vertical directions as well as solely in the vertical direction and solely in the horizontal direction. The support member supporting the ski boot holding members is guided for movement in a direction parallel to the longitudinal axis of the ski and is urged into engagement with the ski boot by a spring which is separate from the release spring.

Abstract: A heel binding for a cross-country ski has opposing latches movable toward each other under engagement by spaced apart flexible beams that force the latches together to capture a projection from the heel of a skier's shoe to hold the heel to the ski. The inside surfaces of the latches are cam-shaped to allow releasing force on the pin to urge the latches outward against the flexible beams, and to release the pin when the force is substantial enough, as in a fall. A collar slidable on the flexible beams adjusts the effective stiffness of the flexible beams to adjust the releasing force.

Abstract: A releasable step-in ski binding has movable clamping members (1,2) at the forward ends of a pair of elongated arms (21,22,21',22'). The rear ends of the arms (21,22,21',22') are coupled to a pair of transverse spring members (43,44) forming a transverse spring assembly (10). A lever member (11,11') is pivotably mounted on the binding and has a first position for compressing the rear ends of the arms (21,22,21'22') against the springs (43,44) for opening the clamping members (1) and (2). Extending from the lever member (11,11') there is provided a member (14) for receiving a ski pole tip to move the lever member (11,11') to its first position for opening the clamping members (1,2). In one embodiment a ski boot receiving member (12) for moving the lever member (11) to a second position is provided for closing the clamping members (1,2). In another embodiment a trigger member (103) between the clamping members (1,2) is provided for closing the clamping members (1,2).

Abstract: A ski binding which includes a keeper element and a clamping mechanism for retaining a ski boot therein, the clamping mechanism including a U-shaped fixing strap arranged in guides on the keeper element with upwardly extending free ends for coaction with holes in the front sole portion of a ski boot, and a tensioning device which connects with a transverse portion of the fixing strap in such a manner that the free ends of the strap, upon operation of the clamping device, will pull the ski boot forwardly in the longitudinal direction of the ski and into the keeper element. The tensioning device incorporates a intermediate piece, which is preferably adjustable in length, and a tensioning arm, the intermediate piece being rotatably connected to the tensioning arm at one end and to the transverse portion of the fixing strap at its other (front) end. The binding may be released by causing the front end of the intermediate piece to be lifted upwardly with respect to the top surface of the ski.

Abstract: A safety toe unit for ski binding includes a compensation mechanism to compensate the release setting of the binding for the changes in the frictional resistance to sliding of the ski boot relative to the ski which accompany the continuously changing pressure between the ball region of a skier's foot and the ski. The invention is applicable to most known kinds of safety toe unit and in particular to those safety toe units which feature a safety release mechanism including at least one spring adapted to bias one or more toe clamping elements into a ski boot securing position and operative on the occurrence of a predetermined sideways force to permit sideways pivoting of the toe clamp or at least of an element thereof to a position in which the ski boot is released from the binding.

Abstract: A roller construction for use on the lever arms of a front jaw of a ski binding. The rollers have a central opening therethrough which has a radially enlarging characteristic from the midlength portion thereof toward the axial end thereof. That is, the diameter of the opening adjacent the axial ends is greater than the diameter of the opening at the midlength portion thereof. The interior surface of the opening at the midlength portion thereof is rounded at a radius which is substantially greater than the diameter of the roller. The interior diameter of the roller at the midlength portion is generally equal to or preferably slightly larger than the diameter of the axle received in the opening. The contour of the wall of the opening facilitates a rocking or tilting of the roller relative to the axis of the axle. As a result, the roller can assume a tilted position relative to the axis of the axle as the ski boot sole shifts its position relative to the ski binding.

Abstract: A toe jaw for a safety ski binding having a ski boot sole hold-down mechanism which is pivotal about an axis extending generally perpendicular with respect to a base plate secured to the upper surface of a ski. A support part is provided on the hold-down mechanism and is adapted to engage the frontmost portion of the sole of the ski boot. The support part is pivotal about an axis to accommodate a movement of the ski boot away from the toe jaw upon a release of the ski boot from the ski. The spring force utilizable for returning the sole holder to the original position is the same spring force which effects a returning of the support part to the original position thereof.

Abstract: An acceleration compensated step-in type ski binding for releasably securing a ski boot to a ski. The ski binding includes a pivotable body member mounted on a support plate attached to the ski which engages the boot on one side of a pivot and carries a mass on the opposite side of the pivot. The mass generates a moment equal and opposite to the moment generated by the acceleration of the boot so as to cancel out the internal forces resulting from such acceleration of the boot. The ski binding further includes a boot engagement assembly for engaging a first portion of the ski boot.

Abstract: A device for engaging and holding a sole of a ski boot, which device includes a sole holder which is adjustable in a vertical direction relative to the ski by means of an adjusting screw and is connected to a ski binding part which is associated therewith. The adjusting screw is secured to the ski binding part and is prevented from lifting off in a vertical direction from the ski while at the same time is swivelably supported on a base plate. The sole holder can, during an automatic release operation (safety release) be swung slightly upwardly from the ski on a side of the ski facing the release side. The sole holder performs a normal pivotal movement with respect to the longitudinal axis of the ski or a combined pivotal and swivel movement about differing pivot axes. Structure is provided for urging the sole holder into a normal ski boot holding position.

Abstract: An improved ski binding has a resiliently-loaded holding device operatively interposed between a boot assembly and a ski to provide points of contact between the boot assembly and ski at each of three mutually-spaced locations arranged at the apices of an imaginary triangle. At each location, a convex member is mounted on the boot assembly to engage a concave surface on the ski. An improved pivot clip is mounted on the ski and provides two of the concave surfaces. The pivot clip has two cam surfaces, each of which is engaged by a convex member mounted on the sole-plate. Each of the cam surfaces is inclined in a direction such that an external moment applied to the boot assembly about the skier's tibial axis will produce a reaction force between one cam surface and its associated convex member, which reaction force will have a longitudinal component not opposing the applied moment.

Abstract: A ski binding wherein the sole holding members are pivotally secured to a carriage movable forwardly and rearwardly on the upper surface of a ski. The carriage is locked to a base plate fixedly secured to the ski. A movement of the ski boot toward the ski boot release position relative to the sole holding members initiates an unlocking of the carriage from the base plate so that the entire carriage, including the sole holding members, is shifted away from the ski boot to facilitate a release of the ski boot from engagement with the ski. Upon release of the ski boot from the ski, the sole holding members are returned to their initial sole holding position and, simultaneously therewith, the carriage is returned and locked to the base plate.

Abstract: This invention is an improvement over the structure illustrated in U.S. Pat. No. 3,902,730. The ski binding includes a pair of pivoted sole holders pivotal about axles which are fixed to the ski. The sole holders each have two arms, one of which engages the ski boot adjacent the toe thereof and the other arm engaging a structural part which is under spring tension, which spring tension must be overcome in order to effect a release of the ski boot from the ski. Structure is provided to interrupt the transfer of force of the ski boot acting on the spring intermediate the travel of the particular sole holder so that a decrease in the force resisting movement of the ski boot occurs and the ski boot can be freely removed from engagement with the ski.

Abstract: A toe piece for a safety ski binding having a pivotable rearwardly facing soleholder for releasably engaging the sole of a ski boot, a pedal having a series of ramps inclined towards opposite sides of the binding and joined by flattened junctures and engageable by lower support elements when the pedal is subjected to downward and sidewise forces for receiving forces which offset the frictional forces resulting from the engagement of the boot and the pedal. The toe piece further includes a second set of transverse ramps engageable by upper support elements when the pedal is subjected to upward and sidewise forces for receiving forces which offset the frictional forces resulting from the engagement of the boot and the pedal.