Abstract: Combination ski-snowboard devices reversibly configured in both: a ski configuration comprising two skis each with both an inside and outside edge and a ski binding mounting systems, and in a snowboard configuration having two outside edges and two binding mounting systems. Methods for converting ski-snowboard devices from a snowboard configuration to a ski configuration and from a ski configuration to a snowboard configuration. A reconfigurable binding provides an interchangeable all-in-one binding for at least alpine touring, snowboard, split board and alpine ski mode. One aspect of the reconfigurable binding discloses binding connection adaptable for use in alpine touring and traditional ski mode. Another aspect of the reconfigurable binding discloses a bolt/pin pattern configuration for split board and snowboard mode.

Abstract: Safety binding for the practice of ski touring, including a baseplate having a rear end and a front end, the baseplate being adapted to be pivotally mounted relative to a ski; a rear base adapted to be fixed to the ski; a heel lift capable of taking at least a support position in which the heel lift limits the rotation of the baseplate, and a storage position in which the heel lift does not limit the rotation of the baseplate; and a mechanism enabling the baseplate to be alternatively fixed to and released from the rear base. The mechanism includes a locking device capable of switching from a first closed position to a second open position. The binding also includes a release member having an actuation surface adapted to be manipulated by the user, the bias of the actuation surface thereof driving the locking device toward the second open position; and a return member biases the locking device toward their first closed position.

Abstract: Disclosed is a disk for adjusting the angle of a snowboard binding. A base plate of the snowboard binding has a toothed gear formed at an inner periphery of a center opening thereof. As toothed gear formed at outer ends of disk gears included in the disk are engaged with the toothed gear of the base plate of the snowboard binding when a disk lever provided at the center of the disk is rotated clockwise or counterclockwise, the disk can be mounted to the base plate of the snowboard binding, so as to control the angle of the snowboard binding.

Abstract: Binding for fastening a boot (10) into in exercise appliance, such as into a ski (1), which binding comprises at least a support part (4), a tip part (7) installed in the support part, and a heel loop (8), of which the position of at least one or other in the support part (4) can be changed for adjusting the binding to boots of different sizes, and which heel loop (8) is installed in the support part (4) in a manner that allows turning in relation to it. The invention is implemented so that the support part (4) is hinged at its front end so that the support part is hinged around a horizontal axis, such as a hinge pin (5), which is essentially at a right angle in relation to the ski (1).

Abstract: A binding device for a ski or other sports apparatus. The ski or sports apparatus provides an upper service adapted to receive a binding device for retaining a boot, the binding device including an anchoring mechanism to anchor the binding device to the ski, the anchoring mechanism including a slide and at least one tightening mechanism which enables the binding device to be forced in place against the upper surface of the ski or sports apparatus.

Abstract: One embodiment of a foot or boot mounting for a sportboard such as a snowboard, wakeboard, mountainboard, surfboard, kiteboard, or similar article, having a tilted base plate (72) with a bearing raceway (73B) or other means providing an axis of rotation that is inclined by a predetermined angular amount (?), pivotably guiding a tilted rotating plate (86) that has a top surface (87T) tilted with respect to its axis of rotation by a predetermined angular amount (?). Top surface (87T) provides direct or indirect support for the bottom surface of a rider's foot. The tilt of top surface (87T) is aligned relative to its axis of rotation such that the upward tilted portion is generally aligned toward the inside of a rider's foot. Thus, a rider's feet and body members are aligned more naturally while the rider is free to continually rotate his or her feet and change posture more comfortably.

Abstract: An assembly for retaining a boot on a sports apparatus. The assembly includes a base, a disk having at least two elongated holes parallel to one another, and at least two screws each extending through an elongated hole. The assembly further includes a plate that is parallel to the disk, the plate sliding along the length of the elongated holes, at least two holes extending through the plate in its thickness, each screw extending through a hole of the plate, and retaining elements retaining the screws on the plate.

Abstract: A method and apparatus for providing a gliding board binding, such as a snowboard binding. The binding may include an adjustment indicator that allows for determination of a longitudinal position of the base relative to a gliding board, heel-to-toe position of the base relative to a gliding board and/or an angular position of the base relative to a gliding board when the base is secured to the gliding board. The adjustment indicator may be included with a footbed that is removable from a binding base, e.g., that includes a foot engagement member to secure a rider's foot to the binding and board. A removable footbed may include a toe portion that is adjustable in position relative to a heel portion of the footbed. A gliding board may include a channel for mounting a binding that is arranged in the board core so that no portion of the board core is located on top or bottom sides of the channel, and instead so the top and bottom reinforcement layers are located above and below the channel.

Abstract: The invention describes a ski binding (1), with guide elements (8, 9) which can be mounted or pre-fitted on a ski (3) in the binding longitudinal direction (10), for a front and a rear jaw body (4, 5). A first coupling element (15) is connected to the front jaw body (4) and a second coupling element (16) is connected to the rear jaw body (5). Mutually facing end portions (17, 18) of these coupling elements (15, 16) co-operate with a positioning and fixing mechanism (14) disposed between the jaw bodies (4, 5) in order to adjust and retain the jaw body (4, 5) as necessary. An overlap width (19) between the two coupling elements (15, 16) can be varied to make an individual adjustment for different jaw distances (12). At least one coupling element (15, 16) is provided with at least two mutually parallel rows (21, 22, 23) of positioning elements (20), and these positioning element-rows (21, 22, 23) are disposed offset from one another in the binding longitudinal direction (10).

Abstract: A snowboard binding includes a base plate and a heel support attached directly or indirectly to this base plate so that it can pivot. Intermediate elements mount the heel support and can be adjusted in the longitudinal direction of the snowboard binding. Thus, the effective length of the snowboard binding can be adapted to the respective boot. Also, through different positioning of the intermediate elements, the heel support can be arranged diagonally relative to the longitudinal axis of the snowboard binding.

Abstract: A snowboard binding (1) including a base plate (2), arranged to receive the sole of the user's boot, and an element (5) for securing to the board located in the central part of the base plate, wherein the base plate (2) includes two plates (10, 11) for receiving the contact of the boot sole, these two plates (10, 11) partially overlapping and each having an adjustable longitudinal position, and wherein locking means (25) pass through the two plates (10, 11) in their overlap zones (14, 16) in order to anchor them in an element (5) for securing the base plate to the board.

Abstract: The invention relates to a snowboard binding for soft boots. The fixing straps can be pivoted by means of a joint from a closed position to an open position close to the opening for entry. The straps are kept in an open position by means of a holding device. The holding power of the holding device stems from the resistance of the joint.

Abstract: A snowboard binding includes a base plate and a heel support attached directly or indirectly to this base plate so that it can pivot. Intermediate elements mount the heel support and can be adjusted in the longitudinal direction of the snowboard binding. Thus, the effective length of the snowboard binding can be adapted to the respective boot. Also, through different positioning of the intermediate elements, the heel support can be arranged diagonally relative to the longitudinal axis of the snowboard binding.

Abstract: A downhill ski binding (2) that operates to allow the skier to select a number of skates or a time interval, after which a lock means (30) locks the rearward end (28) of a ski boot plate (4) to a ski plate/lift (14) and/or a ski (22) until reset. Until the pre-selected number of skates or time interval is reached, the rearward end of the ski boot plate is freely moveable with respect to the ski plate/lift and/or ski, thereby allowing the skier to freely skate. A variety of configurations and mechanical, electromechanical and electromagnetic dynamic locking means are described, several with remote input means (104) and a logic unit (102).

Abstract: A universal binding apparatus for detachably securing footwear to an article is disclosed. The apparatus includes a base plate and a foot plate. The base plate attaches to the article while the foot plate attaches to the footwear. The base plate includes a toe latch, a heel latch, and a first release. The toe latch is disposed at a front portion of the base plate while the heel latch is disposed at a rear portion of the base plate such that the first release is also disposed between the toe latch and the heel latch. The first release enables either the toe latch or the heel latch to be disengaged from the foot plate. The foot plate includes a toe support and a heel support. The toe support is disposed at a front portion of the shoe plate similar to the front portion of the base plate and while the heel support is disposed at a rear portion of the shoe plate. The shoe plate removably attaches to the base plate with the toe support engaged with the toe latch and the heel support engaged with the heel latch.

Abstract: A wakeboard binding plate assembly includes a disc and ring. The disc is sized to fit within the opening of the ring, with each of the disc and ring including irregular surfaces, respectively positioned to engage each other. The disc is mounted to a portion of a boot assembly of the wakeboard. The ring is adapted to be fastened to a wakeboard, with the disc held in place between the disc and a boot assembly for the wakeboard, engagement between the irregular surfaces of the disc and the ring preventing rotation of the disc. Loosening the ring allows the disc to rotate so that the boot assembly can be easily moved to a desired alignment.

Abstract: Snowboard binding has a base plate (1) having an arch (4), a rear support piece (24) which can be displaced on the base plate, a foot strap (13), optionally an instep strap (5), and a linking device for kinematic linking between the foot strap and the rear support piece. The kinematic linking device has linking pieces (14, 15, 25, 26) connecting the support piece (24) and the foot strap (13) and passing on each side of the central zone of the base plate. This binding may be adjusted rapidly, symmetrically or non-symmetrically, without the necessity of removing and replacing screws.

Abstract: A binding system for securing a boot (10) having an instep portion and a toe portion to a snowboard (28) includes an attachment member (12) provided on the toe portion of the sole of the boot, a corresponding engaging member (16) on a frame (14), and a strap (18) for securing a portion of the boot in the frame. One end (58) of the instep strap is anchored to one side of the base, while a loose end of the strap is passed over the instep boot portion and tightened by means of a ratcheting buckle mechanism (48) to the opposing side of the frame once the user has placed his foot on the frame. Thus, the toe is readily and firmly secured to the frame, and the strap is merely tightened.

Abstract: A step-in, releasable cross country binding mechanism allowing rotational and/or forward release of the binding toe piece and skier from the ski. A cleat, mounted to the bottom of a binding toe pieces is relesably retained by spring loaded structure located between a ski boot and ski. A step-in heel piece is connected to the toe piece by a cable.

Abstract: A foot binding assembly particularly adapted for use as a snowboard binding and including a base portion which is adapted to be secured to the snowboard, a heel support portion adapted to be carried by the base portion and an ankle/toe securement assembly which is pivotally mounted with respect to the base portion and movable between an open and closed position. In the open position a boot can be readily inserted into and removed from the binding and in the closed position the securement assembly bears against portions of a boot inserted into the binding and cooperates with the base and heel support portions to encase the boot within the binding. A releasable locking mechanism is employed for maintaining the securement assembly in the closed position upon the assembly being pivoted to the closed position, thereby securing and supporting the boot within the binding.

Abstract: A binding apparatus for a snowboard with which the boots of a snowboarder can be securely attached to the board while permitting release thereof upon application of a force greater than a preselected threshold. If a force of an undesirable magnitude in either a lift-out or torsional direction is applied to either of the snowboarder's boots with respect to the board, then that boot will be released by the binding, and the other binding will also automatically release the other boot. Both boots can also be manually released from the bindings, and one boot can be left secured to the board while the other is released for negotiating ski lifts and the like. The snowboard bindings permit easy step-in entry which will allow the boot to be secured to the binding even in the event of snow or the like being stuck between the boot and binding. A safety brake is also provided which prevents run-away of the board if it is detached from the rider.

Abstract: A heel piece of a safety binding for a ski boot, comprising a sole grip body (7) which is mounted on a stirrup piece (4, 5) articulated to a plate (3) which is in turn mounted so as to pivot on a base (2) mounted and immobilized on a rail (1) which is fixed to the ski. The heel piece is equipped with a ski brake (8) which is mounted on the base (2), in front of the pivoting plate (3) so that it moves with the base and remains at a fixed distance from the pivot axis.

Abstract: There is disclosed a snowboard binding system for a soft style snowboard boot. The snowboard binding system includes a base plate mounted to the snowboard and a toe strap unit, a heel loop, and a highback mounted to the base plate. Mounted to the heel loop is a secondary strap device which wraps around the back of the boot. Wrapping over the top of the boot is the ankle strap unit which is mounted to the secondary strap device. The secondary strap device and ankle strap have a plurality of adjustment holes for selective adjustment of the binding for greater support or for more flexibility. The secondary strap device works in conjunction with the ankle strap to provide better heel hold to the snowboard, thereby resulting in enhanced snowboard performance. The secondary strap device also reduces the pressure exerted across the top of the boot from the ankle strap resulting in better comfort.

Abstract: A device is provided which secures one's leg and foot to a moving plane such as a skate board or ski board. The device comprises a first strap wrapped around the user's leg beneath the knee and above the calf. A second strap attached to the first strap and removably attached to the moving plane. Means are provided to hold the second strap in tension and to connect the second strap to the board.

Abstract: A binding strap for use in a soft boot snowboard binding is provided, the binding strap including a flexible, unitary binding member having an ankle section connected to a toe section by a midsection. The binding strap may be configured and dimensioned to preferably provide a rider with easy entry and exit from the strap. In addition, the shape and flexible nature of the binding makes it comfortable to use, while also allowing it to perform well by securely engaging the rider's boot to the snowboard. The unitary construction allows the binding strap to move in an integrated manner, while the surface area of the binding strap reduces pressure points by distributing pressure exerted by the binding over a relatively large surface area of the boot, and hence foot, of the rider.

Abstract: A step-in snowboard binding 100 provides a base assembly 200 which is adjustably attached to the snowboard at an angle that is selected by the user. A front assembly 300 and a back assembly 400 are pivotally carried by the base assembly and are pivotally connected to each other. The front and back assemblies pivot between a closed and locked boot-restraining position, and an open step-in/out position. In a preferred embodiment, the front assembly carries an adjustable toe strap 350 and an adjustable foot strap 360. A fastening assembly 500 releasably locks the front and back assemblies together in the closed boot-restraining position. With both boots locked in the boot restraining position, the user is able to operate the snowboard. The fastening assembly is easily released, allowing the front and back assemblies to pivot to the step-in/out position. In this position, the user is able to step into or out of each binding.

Abstract: A binding for snowboards has a back plate 2 at the rear of a base plate 1, and the back plate 2 is moved back and forth to vertically move side plates 3 which are provided with an ankle strap 32 and a toe strap 33.

Abstract: A ski including a lower gliding face, bordered by ridges respectively constituting an outer edge (5) and an inner edge (4), the inner edge corresponding to the two opposite edges of two skis of a pair of skis for accommodating an intermediate device consisting of at least one platform (10, 30, 45, 60, 70, 85, 90, 91, 100) on which a safety binding, composed of a toe piece and a heel piece, is mounted, the longitudinal mid-plane (25, 66, 81, 108) of the platform being coincident with the longitudinal mid-plane (6) of the gliding board, when the device supports the skier's weight. The intermediate device includes means for shifting the position of the longitudinal mid-plane (25, 66, 81, 108) of the platform, relative to the longitudinal mid-plane (6) of the ski board and at least one return member (12, 22) for returning the two longitudinal mid-planes respectively of the platform and of the gliding board, back to the coincident position.

Abstract: There are two assemblies in the binding, a harness assembly and an attachment assembly. The harness assembly attaches to a ski boot and has a toe fitting which fits over the toe of the boot and has a flat metal plate contacting the toe portion of the sole of the boot. Four sharp pointed posts extend downward from the plate. Each post has a groove near its base, perpendicular to the axis of the post. The attachment assembly attaches to the ski and has latch bars which engage the grooves in the posts to attach the attachment assembly and ski to the harness and ski boot. One latch bar is spring loaded toward the other and as the posts are inserted onto the attachment assembly the spring loaded bar is moved to allow the posts to pass. When the posts are fully inserted the spring loaded bar moves to capture the posts. There is a lever operated cam at the forward end of the attachment assembly which is used to separate the latch bars to enable detaching the ski from the harness.

Abstract: A snowboard (10) is provided with front and rear foot mounts (12, 14). The front foot mount (12) is mounted for rotation or pivotable movement about an axis (22). It is lockable into a number of rider selected azimuthal positions on the snowboard (10). Foot rotation can be used to move it between some positions. In other positions, the front foot mount (12) is locked in position and cannot be moved to a new position without the rider first pulling on a pull line (112), to unlock the front foot mount (12) from the snowboard (10). The rear foot mount (14) is a step-in step-out mount. The rider can step in at a number of different azimuthal positions, selected by the rider. In each position, the rear foot mount (14) is moved by rotation into a position where it is locked to the snowboard (10). A pull line (160) is used to unlock the rear mount (114) front of the board, so that the rider can rotate his/her rear foot into a step-out position.

Abstract: A base intended to receive a ski binding thereon, said base comprising a slider (1) fixed to the ski, with a row of notches (4) parallel to the axis of the slider, and a fitted plate (5) sliding onto the slider, with a latch (6) engaged, by the action of a spring, in a notch of the slider, in such a way as to immobilize the plate on the slider, as well as a release lever (13). The latch (6) consists of a fitted part separate from the lever, sliding transversally to the plate, and the base also comprises a mobile element, like a shoe (16) which removes play between the plate and the slider, and may be moved to an active or inactive position by action on the release lever.

Abstract: A snowboard binding system comprises a toe strap, an ankle strap, a heel loop and two pods. The pods, mounted to the surface of a snowboard, are located at the outside footprint of the rider's boot. The pods allow the snowboard rider to rotate the binding to various angles, to adjust the width of the binding to accommodate his foot and to modify the distance between the two bindings to accommodate the rider's stance. In addition, the rider's center of gravity is lowered, thereby increasing the rider's sensitivity to the board and enabling the rider to hold a better edge while turning.

Abstract: A solo ski system which contains a ski, a first ski binding mounted on the ski, and a second ski binding mounted on the ski in back of the first ski binding. The second ski binding is suitable for removably attaching a boot to a ski. It contains a base plate, a first mounting stud attached to the base plate, a second mounting stud attached to the base plate, a binding base removably and pivotally attached to the first mounting stud. The ski binding is adjustably and releasably attached to the boot.

Abstract: A ski binding for removably attaching a boot to a ski. The ski binding contains a base plate, a first mounting stud attached to the base plate, a second mounting stud attached to the base plate, a binding base removably and pivotally attached to the first mounting stud. The ski binding is adjustably and releasably attached to the boot.

Abstract: A tightening device for the heel portion of a safety ski binding comprises a ski boot holding member which includes a sole holder and a closing pedal positioned between arms extending from upright shoulders connected to a turntable attachable to a ski. A support member with one of its ends pivotally attached to the bottom of the holding member has a hook on its free end, and when a ski on which the binding is mounted is to be transported, the support member can be pivoted from a holding member supporting position in which its free end rests on an upper surface associated with the ski, to a position in which the hook engages a projecting surface forming part of the turntable, or of a bearing surface associated therewith. The binding components are thus locked in a tightened position, eliminating movement therebetween.

Abstract: A ski binding for releasably securing a boot to a ski. The boot includes a pivotable plate adapted to be pivotably secured to the ski whereby the plate is pivotable on the ski around an axis substantially perpendicular relative to the upper surface of the ski. The plate pivots to an unaligned position relative to the binding during release of the boot. First and second assemblies are provided for securing the front and rear of the boot onto the ski. The second assembly is mounted on the plate. The first assembly is elastically pivotable to allow for release of the boot with pivoting of the first assembly, and is operatively associated with the plate whereby realignment of the first assembly relative to the binding is accompanied by automatic realignment of the plate.

Abstract: The invention relates to a safety ski binding and, in particular, to a heel support having a base plate supporting a vertical pivot and fastened to the upper side of a ski. The heel support is equipped with a sole support and with a pivotable support plate, along the heel area of the ski boot. The support plate is pushed into a central position by a spring. In order to shift the axis of rotation of the ski boot in such a ski binding to be substantially in alignment with the extension of the shinbone and to simplify the construction of the ski binding as well, the invention provides that the pivot is disposed between front jaw and heel support of the ski binding. The support plate is pivotably mounted at the pivot and the spring is extended in the longitudinal direction of the ski in the skiing position. The spring acts on a roller. The axle of the roller is guided in a slot in the support plate and anchored in the bearing block of the heel support. A cam is rigidly fastened to the roller.

Abstract: The disclosure relates to a cross country ski binding having a triple-leaved hinge interconnecting a fixed toeplate and a heelplate detachably connected to the boot heel characterized in that as the boot is bent at the ball of the foot and lifted off the ski carrying with it the heelplate thereby lengthening the distance separating the latter from the toeplate, a yieldable spring-biased connection becomes operative to permit these elements to spread apart without materially retarding or otherwise interfering with the skier's freedom of lifting the boot and setting it back down again to initiate and complete the cross country glide while, at the same time, providing the lateral stability necessary for effectively edging the skis in the downhill mode. The invention also encompasses certain novel features present in a yieldable self-adjusting heel holdown subassembly.

Abstract: A binding for retaining a boot on a ski. The binding is provided with a jaw for retaining one end of a boot against the ski, and a support on which the jaw is mounted. The support itself is connected to two arms mounted on the ski. These two arms are separated by a distance less than the width of a sole of the boot which the binding retains on the ski.

Abstract: A device adapted to be mounted on a ski comprising a first maintenance element, a pivotable plate adapted to pivot around an axis substantially perpendicular to the ski comprising a second maintenance element; and a braking assembly. The braking assembly comprises at least one braking element adapted to shift between active and inactive positions and at least one boot-sensitive element adapted to shift the braking element to the inactive position as the boot is mounted on the ski.The braking assembly may be arranged such that it is either stationary with respect to the pivotable plate or such that it pivots together with the pivotable plate.Stopping means for limiting rotation of the plate may also be provided.

Abstract: A device adapted to be mounted on a ski comprising a first maintenance element, a pivotable plate adapted to pivot around an axis substantially perpendicular to the ski comprising a second maintenance element; and a braking assembly. The braking assembly comprises at least one braking element adapted to shift between active and inactive positions and at least one boot-sensitive element adapted to shift the braking element to the inactive position as the boot is mounted on the ski.The braking assembly may be arranged such that it is either stationary with respect to the pivotable plate or such that it pivots together with the pivotable plate.Stopping means for limiting rotation of the plate may also be provided.

Abstract: A device adapted to be mounted on a ski comprising a first maintenance element, a pivotable plate adapted to pivot around an axis substantially perpendicular to the ski comprising a second maintenance element; and a braking assembly. The braking assembly comprises at least one braking element adapted to shift between active and inactive positions and at least one boot-sensitive element adapted to shift the braking element to the inactive position as the boot is mounted on the ski.The braking assembly may be arranged such that it is either stationary with respect to the pivotable plate or such that it pivots together with the pivotable plate.Stopping means for limiting rotation of the plate may also be provided.

Abstract: A device adapted to be mounted on a ski comprising a first maintenance element, a pivotable plate adapted to pivot around an axis substantially perpendicular to the ski comprising a second maintenance element; and a braking assembly. The braking assembly comprises at least one braking element adapted to shift between active and inactive positions and at least one boot-sensitive element adapted to shift the braking element to the inactive position as the boot is mounted on the ski.The braking assembly may be arranged such that it is either stationary with respect to the pivotable plate or such that it pivots together with the pivotable plate.Stopping means for limiting rotation of the plate may also be provided.

Abstract: A ski binding for releasably securing a boot to a ski. The boot includes a pivotable plate adapted to be pivotably secured to the ski whereby the plate is pivotable on the ski around an axis substantially perpendicular relative to the upper surface of the ski. The plate pivots to an unaligned position relative to the binding during release of the boot. First and second hold down are provided for securing the front and rear of the boot onto the ski. The second hold down is mounted on the plate. The first hold down is elastically pivotable to allow for release of the boot with pivoting of the first hold down, and is operatively associated with the plate whereby realignment of the first hold down relative to the binding is accompanied by automatic realignment of the plate.

Abstract: A ski binding which has a bearing member and confinement means moveable relative to the bearing member to releasably confine a ski boot in use. Means are provided which are associated with the confinement means to maintain the confinement means in or to release the confinement means from the position wherein they hold the ski boot on the bearing member. The bearing member is elastically attached to a ski to allow relative elastic movement between the bearing member and the ski. Activating means are provided to act upon the means associated with the confinement means which release the confinement means when a predetermined relative movement of the bearing member relative to the ski has occurred. The predetermined movement in order to effect release must be lateral twisting or upward elastic movement or a combination of both.

Abstract: An improved ski binding for use with a cross country ski and a boot having a forwardly projecting sole portion. The binding including a toe plate to be secured to the ski boot with a bail means and an elastic strap connected to the bail means. The elastic strap is adapted to fit around the heel of the boot and when so positioned causes the bail means to clamp the ski boot to the toe plate. A pair of open faced sockets are mounted to the ski. A toe piece is secured to the toe plate and has a pair of release buttons each received by a corresponding one of the open faced sockets. Further each of the release buttons has a spring means for resiliently urging each release button into a corresponding socket whereby the toe piece and thus the ski boot is releasably held by the sockets to the ski.

Abstract: The axis of rotation of a plate which carries the heel-holding member of a ski binding is forwardly inclined at an angle approximately between 8.degree. and 20.degree. with respect to a vertical axis perpendicular to the top ski face. This angle of slope is close in value to the forward slope imposed on the skier's tibia by the shape of the ski boot. The top surface of the rotary plate nevertheless remains parallel to the top ski face.

Abstract: A heel grip for a rotary ski binding having a lever pivotally mounted on a rotary plate for rotation between skiing and braking positions, a pair of brake wings mounted on the lever to move with the lever between skiing and braking positions and being rotatable on the lever between positions inboard and outboard of the ski, and a spring wire connecting member having an intermediate portion connected to a pedal and free end portions connected to the brake wings, the pedal engaging the connecting member between its intermediate and free end portions to deform the connecting member and rotate the wings to their inboard position as the pedal is moved to its skiing position and the latter action being reversed to move the wings to their outboard position as the pedal is moved out of the skiing position.

Abstract: A spindle extending transversely to the longitudinal direction of a ski and parallel to the upper surface of the ski carries sole holder elements normally engaged against a ski boot to hold the ski boot on the ski. The spindle is disposed below the plane of the ski boot sole. If the ski boot exerts force in excess of a predetermined force against the sole holder elements either longitudinally or laterally of the ski, the sole holder elements swing forward about the axis of the spindle to below the plane of the ski boot sole to permit unimpeded movement of the boot. The spindle and the sole holder elements carried thereby are mounted on the ski for movement in a direction transversely of the ski. Release mechanism automatically permits the forward swinging movement of the sole holder elements when the spindle and sole holder elements have moved transversely of the ski a predetermined distance.

Abstract: A heelholder for a safety ski binding comprising a base member, a carriage mounted on the base member for movement in a direction transverse to the longitudinal direction of the ski on which the binding mounted, a retaining spring biasing the carriage to a central, normal position, a pair of cheeks pivotally mounted on the carriage and carrying a heel-releasing mechanism, and a locking mechanism for releasing the cheeks to open the binding when the carriage moves beyond a predetermined distance in the transverse direction.