Abstract: A heel piece of a safety ski binding, said heelpiece comprising: a base attachable to a ski; opposed vertical support members mounted on said base, each support member including a track formed by an outwardly curved surface terminating in first and second end surfaces extending at an angle thereto; a soleholder mounted on said support members for pivotal movement about an axis transverse to said support members between a closed position for securing a ski boot and an open position for releasing said ski boot, said soleholder including a track formed by an inwardly curved surface terminating in first and second end surfaces extending at an angle thereto, said inwardly curved surface being contiguous with said outwardly curved surface and movable relative thereto such that said sole holder end surfaces are movable past said end surfaces of said support members; a first movable roller operable to engage said first end surfaces and said curved surfaces of said support members and said soleholder;a second movable

Abstract: A safety ski binding having a sole plate which is pivotally supported on a ski-fixed pivot pin in a horizontal plane, however, is secured against lifting off from the ski. The sole plate has a front jaw at its front end and a heel holder provided with a housing at its rear end. The heel holder has a sole holder which is pivotal upwardly about a transversely extending axle on the housing against the force of a pressure spring. The heel holder also carries a roller which is loaded by at least one further pressure spring on a control lever, with which roller is associated a cam surface arranged on a ski-fixed member. The pressure springs for controlling the vertical release and the ones for controlling the lateral release can thereby either be arranged among one another or nested into one another.

Abstract: The heel hold-down device, notably for safety ski bindings, comprises a fixed body, a tilting heel retaining member, a control lever, and an elastic mechanism incorporating an axial coil compression spring. The fixed body has two lateral vertical walls and is operatively connected to a movable U-shaped piston of which the two flat side arms are adapted to slide parallel to the vertical walls of the body. The heel retaining member is pivoted to the side arms of the piston by means of a pair of trunnions engaging registering holes formed in the side walls of the heel retaining member and in the piston arms. The trunnions are also slidably engaged in longitudinal slots formed in the lateral walls of the fixed body.

Abstract: An alpine ski binding releasable toe piece is provided for holding the toe of a ski boot on a ski that allows for unimpeded forward movement of the ski boot along the ski upon ski binding release. The toe piece comprises an upstanding holding member hinged to a baseplate for engaging the toe of a ski boot, a spring member to pivot the holding member from the inoperative to operative position and a holding member engaging rib that requires that a greater force be applied to the holding member to move the holding member from the operative position to the inoperative position than from the inoperative to operative position.

Abstract: A projecting nose from the grooved body is engaged in a stirrup to retain the boot on the ridge of a cross-country ski to which the stirrup is pivotally connected by an axis transverse to the ridge. An outer stirrup can be swung relative to the inner stirrup to cause a rod to rise in arcuate windows of the inner stirrup and thereby lift the nose of the boot and clamp it against the fixed crosspiece of the inner stirrup. A detent plate pivotal on an outer stirrup can releasably latch the outer stirrup relative to the inner stirrup.

Abstract: A cross-country ski binding for cross-country ski shoes which have, at their front sole end, engagement elements which correspond with and engage into engagement elements of the ski binding, to provide a pivot connection. The ski binding has a U-shaped clip or stirrup member for securing the front sole end against lifting off the ski binding engagement elements, the legs of which clip are mounted pivotably about a transverse axis by their free ends to side jaws of the ski binding, which are fixed to the ski, and which clip is loaded by a spring in the direction toward a position engaging over the front sole end by its web portion. Further, the ski binding has a spring-loaded locking lever, which can engage behind a catch projection of the ski binding by means of a latch and can thereby hold the U-shaped clip in an open position.

Abstract: A heel holder has a bearing block on which a binding housing biased by an opening spring and a control lever biased by an adjustable locking spring are supported for movement about two transverse axles. A control member is associated with the control lever and, in the downhill skiing position of the heel holder, is held by a release lever. In one preferred embodiment, the control member is a crankshaft which is rotated during a voluntary release. In a second preferred embodiment, the release lever is supported on the bearing block on the axle of the binding housing, and it has two legs which carry hook-shaped projections and are arranged within the sidewalls of the bearing block.

Abstract: A step-in ski electronic binding having a housing for engaging a ski boot, the housing being moveable between ski boot releasing and latching positions, releasable latching means for releasably latching the housing in its latching position and cocking means for cocking an electrically controlled release actuator when the housing is moved to its latching position.

Abstract: The invention relates to a heel holder, the bearing block of which carries in the upper region thereof a pivot axle for a binding housing having a down-holding means and a stepping mandrel. In the lower region of the bearing block there is arranged a pivot axle for a control lever. A two-arm release lever is hingedly secured to the control lever, an arm of which release lever engages a projection on the binding housing. In order to avoid damage to the control lever during an opening of the heel holder by stepping down on the release lever with the other ski, the invention provides that the pivot axle for the release lever be guided in a slotted hole in the control lever and in two arc-shaped slotted holes in the sidewalls of the bearing block.

Abstract: A safety ski binding having a release member actuable in response to forces or moments exceeding a threshold value, a carriage biased forwardly by a carriage spring, a sole holder mounted on the carriage and biased to an open position, a locking lever mounted on the carriage for releasably locking the sole holder in the open position, a locking lever spring biasing the locking lever to the position for opening the sole holder and for biasing the carriage rearwardly, a locking pawl for controlling the condition of the locking lever, and a connecting mechanism responsive to actuation of the release member for actuating the locking pawl to effect rearward movement of the carriage under the influence of the locking lever spring without overcoming the force of the carriage spring.

Abstract: A step-in heel piece for a safety ski binding which yields, in its latching position, away from the sole plate of the binding in response to the influence of external forces. The yielding heel piece improves skier comfort and accommodates various ski boot heel sole thicknesses without mechanical adjustment.

Abstract: A release ski binding comprising a sole plate having thereon a rear jaw for a ski shoe, a central part thereof being pivotal relative to the ski about a vertically upright axis and about a transversely extending axis. The sole plate is held in a skiing position by an elastic holding mechanism on the ski. The holding mechanism is responsive to a swivel movement occurring between the sole plate and the ski and upon reaching of a predetermined angle of traverse effects an opening of a release lock on the rear jaw. The sole plate consists of two parts, of which the one part is pivotally supported for movement about a vertical axis of a sleeve and the other part is hingedly connected to the first part through the transverse axis.

Abstract: A cross country ski binding (10) includes a base plate (16), a pivot plate (18) hinged to the base plate, an upstanding transverse lug (36) on the pivot plate for receiving a slotted toe plate (38) on the ski boot, and a wire clamp (54) for releasbly securing the toe plate and ski boot to the pivot plate. A vertical tongue-and-slot arrangement together with abutting engagement between the pivot plate (18) and toe plate (38), in combination with the releasable wire clamp (54), provide a more positive connection while at the same time allowing free pivotal movement of the boot relative to the ski. In a second embodiment, the ski binding (70) includes a horizontal tongue-and-slot arrangement (74, 76 and 78) together with a latch (84) resiliently urged into engagement with a slot (86) in the toe plate (38').

Abstract: A cross-country ski binding for use with a ski boot having a front extension portion on its sole, with the front end portion providing a hooking area on its top surface, has a double-armed retaining lever whose arm which faces towards the rear of the binding forms a hook for engaging behind the hooking area on the extension portion of the boot. The second arm of the retaining lever can be secured in the closed position of the binding by a locking lever pivotally mounted at the front end of the binding. The locking lever is spring-loaded towards the position of locking the retaining lever in the closed condition of the binding. The binding also has a release button which is disposed pivotally coaxially with respect to the retaining lever and which is limitedly pivotable relative to the retaining lever, against the force of a retaining spring, thereby to displace the locking lever into a position for releasing the retaining lever.

Abstract: The invention relates to a safety ski binding, in particular a heel holder, comprising a sole holder which is pivotal about a transverse axle supported on a bearing block secured to a base plate. The sole holder is under the influence of an opening spring which urges it into its opened position. The sole holder is held in the downhill skiing position by a locking rocker arm pivotally supported on the sole holder. The locking rocker arm has on the one side thereof a locking projection which, in the downhill skiing position, grips under a control-cam member arranged on the bearing block and on the other side thereof a locking notch into which is received a locking member at least in the downhill skiing position urged by at least one spring.

Abstract: Ski safety binding which maintains one end of a ski boot or shoe secured to a ski. The binding includes:(a) a jaw for securing the sole of a shoe or boot to the ski, when the binding is in the locked position;(b) a pivot to be secured to the ski;(c) a rotatable element mounted pivotably on the pivot;(d) a body having a movable element configured to be biased against a rocker, the rocker being pivotably mounted relative to the rotatable element; andwherein the bias of the movable element against the rocker is adapted to bias the jaw against the sole when the binding is in the locked position.

Abstract: A safety ski binding includes a sole holder which is pivotally supported on a base member for movement upwardly about a transversely extending axle relative to the base member. The sole holder in the position of use is held thereat by a locking spring which acts onto a locking mechanism also supported on the base member. A hand lever is pivotally secured to the base member for movement about a second transversely extending axle, and through compression of the locking spring overcomes the spring loading of the locking mechanism. Thus, the sole holder can be swung upwardly force-free. The locking mechanism includes a first locking rocker arm which is pivotally supported for movement about the second axle and engages the sole holder and a second locking spring. The second locking rocker arm is also supported on the base member. The hand lever engages the first locking rocker arm so that upon a manual manipulation thereof, the locking spring will be compressed until the sole holder can be freely swung upwardly.

Abstract: A toe-abutment member providing safety ski boot release in the event of a backward-fall movement combined with a twisting movement of the skier's leg comprises a fixed locking member having an inclined ramp and an abutment body pivotally mounted on a cross-pin. The jaw unit for retaining the toe end of the ski boot is movably mounted within the abutment body and carries a transverse rod which is applied against the ramp by means of a spring-loaded piston.

Abstract: A safety ski binding includes a bearing block having an axle thereon, a sole holder pivotally supported on the axle, and a spring housing supported on the bearing block for pivotal movement about an axis which is generally parallel to the axle. A slide member is movably supported in the spring housing and is biased by a release spring into engagement with a control surface on the sole holder in the downhill skiing position of the binding. The axle is closer to the tail of the ski than the axis, and the control surface on the sole holder includes a cam which engages the slide member in the region between the axle and axis. The slide member has a control recess therein and the axle extends through the control recess, pivotal movement of the spring housing causing the axle to engage an inclined surface of the slide member and move the slide member away from the sole holder against the urging of the release spring.

Abstract: A heel binding for ski boots cooperates with a boot heel plate for use in either alpine or cross-country skiing and includes a pivot member displaceable between locked and unlocked positions. In the locked position, during alpine skiing a forward shoulder on the pivot member engages the heel plate and resists upward thrust of the boot heel according to a selective biasing force as provided by a yieldable latch member engaging a first detent on a cam section of the pivot member. In the alternate unlocked position, for cross-country skiing, the pivot member is retained clear of the heel plate by engagement of the same latch member within a second detent on the pivot member cam section. The forward portion of the binding is constructed to engage within a mating recess in the heel plate and/or boot heel on each downward motion of the heel so as to guide the skier's foot into proper axial alignment with the ski.

Abstract: The ski binding part consists essentially of a fulcrum part (1) which is affixed to the ski or displaceable thereon against a biasing spring (5) and on which a latch (2) is fulcrumed on a transverse axis (3) of the ski for the purpose of gripping the heel of the ski boot. On the side of the fulcrum (1) facing away from the boot, a thrust block (10) is displaceably guided on or in the latch and cooperates with a counterthrust member (13) integral with the latch. The longitudinal central axis (M) of the thrust block is disposed at a radial distance (a) below the fulcrum axis (3).

Abstract: A step-in binding for securing a ski shoe or boot having a latching element including a transverse bit across and in front of the shoe or boot onto a ski. The binding includes a support element to be mounted on a ski, and a movable latch to be secured to the ski. The latch includes a movable pressure element and means for biasing the movable pressure element towards the support element. The shoe or boot may be secured by the binding to the ski by inserting the transverse bit between the support element and the pressure element when the movable pressure element is biased towards the support element and lowering the transverse bit between the movable pressure element and the support element.

Abstract: A heel holder includes a ski brake, a bearing block which is arranged on a base plate, and a housing which is supported swingably on the bearing block, wherein the housing carries a sole hold-down member which is under the influence of a spring, and is held in the skiing position by a locking lever or a pawl, and wherein braking mandrels of the ski brake, with respect to their swivelling movement to the braking position, are controlled by the housing. In order to permit an opening of the heel holder and a swivelling of the ski brake into the braking position in a simple manner when only the front jaw of the ski binding has released, the ski brake is provided with a stepping plate and is operatively connected through a coupling or operating member to the locking lever or the pawl.

Abstract: The device comprises a locking lever having a bearing surface adapted to cooperate with a complementary bearing surface formed on a heel-gripping member. The angle of slope of the two surfaces is such that the resultant force of the bearing force and the friction force passes through the axis of rotation of the locking lever.

Abstract: A heelholder for a safety ski binding which is manually adjustable from an open condition to a closed condition, including a soleholder, a first locking member biased in a forward direction, an actuating member mounted on the soleholder for engaging the first locking member to releasably hold the soleholder in the closed position, a second locking member for releasably locking the adjusting member in engagement with the first locking member when the soleholder is in the closed position, a manual release mechanism, and an interposed member located between the manual release mechanism and the second locking member for enabling movement of the soleholder from the open condition to closed condition and the locking by the second locking member of the adjusting member in engagement with the first locking member upon actuation of the manual release mechanism during movement of the soleholder from the open to the closed condition.

Abstract: A safety ski binding has a bearing block with a locking projection, and a sole holder is supported on the bearing block for pivotal movement between a downhill skiing position and a released position. A locking part pivotally supported on the sole holder has a cam which engages the locking projection and has a surface on the opposite side thereof. a spring housing has one end pivotally supported on the bearing block and has an opening in the opposite end. A piston slidably supported in the spring housing has a piston rod which extends through the opening and slidably engages the surface on the locking part. A spring disposed in the spring housing urges the piston toward the locking part, thereby urging the cam against the locking projection. A mechanism is provided to obstruct sliding movement of the piston rod along the locking part surface from a first location thereon to a second location in which the effect of the spring on the locking part is reduced or absent.

Abstract: A heel holder for a ski binding includes a guide rail, a base plate movably supported on the guide rail, and an abutment which can be releasably secured to the guide rail. A thrust spring urges the base plate forwardly relative to the abutment. A sole holder and spring housing are pivotally supported on the base plate, the sole holder pivotally supporting a pawl and the spring housing supporting a release spring which biases the pawl against a control surface provided on the base plate. An upwardly projecting control part provided on the abutment, when the thrust spring moves the base plate forwardly with the sole holder in a closed position, cooperates with a cam provided on the spring housing and pivots the spring housing, thereby interrupting the force exerted by the release spring on the pawl so that a spring cooperable with the sole holder can move it into an open position.

Abstract: A manually releasable heel holder of a safety ski binding having a housing, a sole holder, a connecting arm movably connected to the housing and to the sole holder, and a manually actuable releasing member for releasing the connecting arm from a locking to an unlocking position, allowing the sole holder to open under the influence of a spring.

Abstract: A heelholder for a safety ski binding comprising a carriage, a soleholder pivotally mounted on the carriage and carrying a lever, a first locking lever mounted on the carriage and disposed in the path of the soleholder lever and biassed towards a blocking position by a release controlling spring so that the soleholder normally cannot be opened unless the force of the spring is overcome, a second locking lever for releasably blocking the soleholder lever from movement from a position obstructed by the first locking member, and a toggle joint for voluntarily moving the second locking lever to unblock the soleholder lever to enable release of the binding with a small force.

Abstract: A manually releasable heel holder of a safety ski binding having a housing, a sole holder, a connecting arm movably connected to the housing and to the sole holder, a manually actuable releasing member for releasing the connecting arm from a locking to an unlocking position, allowing the sole holder to open under the influence of a spring and an interim lever for automatically releasing the connecting arm from a locking to an unlocking position when a ski boot is released from the ski by the toe unit.

Abstract: A heelholder for a safety ski binding having a baseplate, a slide mounted for movement between forward and rearward positions, a soleholder pivotally mounted on the slide for movement between closed and open position, a locking device mounted on the soleholder for movement between an obstructed position where it holds the soleholder in the closed position and an unobstructed position, a locking lever for releasably obstructing the locking device against movement from the obstructed position, and a blocking lever mounted on the slide for movement between a blocking condition wherein the blocking lever holds the locking device in the obstructed position and an unblocking condition wherein the blocking lever moves the locking device out of the obstructed position.

Abstract: A ski binding provided with a step-in frame which may be firmly connected to the surface of the ski for downhill skiing, released and freely pivotable for level movement or provided with two elevated heel positions for uphill climbing.

Abstract: A sole or heel holder of a ski binding has a housing and sole down-holding member pivotally supported on a base and latched in a closed position for skiing by a U-shaped locking pawl which is pivotally supported on the housing, has a roller at the end of each leg, and has a row of notches along the bight. The bight is substantially vertical, one roller is disposed against the down-holding member, and the other roller is disposed against a detent on the base. A support part is pivotally supported on the base and positionally adjustable relative to the housing by means of a setscrew, and a spring-loaded locking element is slidably supported thereon and selectively engages the different notches in the pawl in response to rotation of the setscrew. A release lever is pivotally mounted to the base and cooperates with the pawl through a linking member for effecting a voluntary release of the latched housing and down-holding member.

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 ski binding adapted to be used to maintain a boot onto a ski. The binding comprises a latching element adapted to be mounted on the boot which comprises at least one transverse bit. The binding further comprises a support element adapted to be mounted on the ski as well as a retention system which, by virtue of an elastic element, serve to maintain the transverse bit held between the support element and a moveable pressure element of the retention system when the binding is in the locked position. The boot itself comprising the transverse element also forms part of the invention.

Abstract: A ski safety binding of the type in which a sole clamp is pivotally mounted about a transverse pivot axis on a base plate and is retained in a closed position for clamping a ski boot by means of a spring loaded latch device. During safety release the sole clamp is able to pivot upwardly about the transverse axis to overcome the latching force. To allow the sole clamp to be readily opened by hand a pivotable hand opening lever is provided for relieving the spring loading of the latch device.The latch device features a latch projection carried at one end of a pivoted latch lever which is spring loaded by a coil spring carried by the hand opening lever. The force of the spring is transmitted to the latch lever via a bar-like extension of a spring abutment which is displaceably arranged relative to the hand opening lever and which is pivotally connected to the latch lever about a further transverse pivot axis which defines the pivot axis for the hand opening lever.

Abstract: A voluntary-ski-removal lever pivots about a first axis integral with a piston and moving therewith. By means of a ramp, this lever cooperates with a fixed axle about which a jaw pivots in such a manner that, when the lever is depressed, this movement brings the first axis and the fixed axle together, thus causing the piston to move back and to release the jaw.

Abstract: A safety ski binding provides automatic recentering of a ski boot along the longitudinal axis of the ski and comprises for one end of the boot a retaining element which consists of a catch cooperating with a slope and adapted to move, in relation to the ski, between two positions. The end of the boot comprises, above the slope which cooperates with the catch, a sliding surface pointing in a downward direction and cooperating with the catch when the latter rocks from the first to the second position.

Abstract: An adjustable release ski boot binding is provided for holding a ski boot attached to the surface of a snow ski while skiing. The binding is adapted to permit the toe of the ski boot to pivot laterally and/or vertically out of the binding should a predetermined torque force be applied in that direction; as during a fall by a skier utilizing the binding. Individual spring-loaded components of the binding are provided for restricting movement of the ski boot toe in lateral and vertical planes. The compression force of each spring is adjustable to provide different release capabilities for accommodating different skiing styles, and skier weights. In a preferred embodiment, the spring-loaded components for restricting lateral pivoting of the ski boot out of the binding reset automatically after the displacing torque has been removed.

Abstract: A ski binding having a heel hold-down member which releases the boot whenever an overload is applied thereto. An opening lever is mounted for pivotal movement about an axis secured to a pair of parallel upstanding bearing supporting members mounted to the upper surface of a ski. One arm of the operating lever extends rearwardly of the heel hold-down member and is longer than the other arm which extends generally toward the heel hold-down member. The long arm is connected to a strap and the short arm is operatively connected to a spring-loaded operating member for controlling the movement of the heel hold-down member during the releasing operation.

Abstract: According to the invention a heel binding is envisaged which gives the possibility of a positive contact between the heel of the shoe and the cross country ski within the natural limits of the elasticity of the components being used. According to this invention this function is resolved by two parallel, swivel mounted stirrups, one of which serves as a tensioning stirrup and the other as an operating stirrup. Through the swivelling of the same it is possible to engage or release the binding.