Abstract: A ski having vents for venting snow from beneath the ski to a location above the ski and a modified keel that provides for greater and easier directional control over the ski relative to a conventional ski.

Abstract: A snow vehicle is disclosed comprising a uni-body frame having a forward engine compartment, a propulsion unit coupled to the frame, and a front ski steered by a steering mechanism. The snow vehicle has a chain coupling the sprocket of the propulsion unit located outside of the frame and directly coupled to the belt drive.

Abstract: A retrofitting bumper that is intended to be used in motorsports and in the vehicular industry consists of a main structural bar, a first pair of support bars, and a second pair of support bars. Preferably, the main structural bar is manufactured from ultra-high-molecular-weight polyethylene (UHMWPE) so that the memory shape behavior allows the main structural bar to retain the original shape even after impact. The first pair of support bars and the second pair of support bars are terminally and angularly mounted along a structural body of the main structural bar. A fastening mechanism, a first pair of attachment brackets, and a second pair of attachment brackets are used to mount the main structural bar, the first pair of support bars, and the second pair of support bars onto the frame of the ATV.

Abstract: An apparatus and method for decreasing the difficulty of executing a “pop-up” maneuver on a water sport board, such as a surfboard, is disclosed. Said apparatus consists of either one or two devices attached to the surfboard at the location where a user places his hands to execute the pop-up maneuver. Said devices move the user's hands away from the deck of the surfboard, creating more space between the surfer and the board during the pop-up maneuver, facilitating the user to swing the user into position and execute the pop-up maneuver.

Abstract: Devices, methods, and systems, for a modular rail slide are described herein. One or more embodiments include a modular rail slide, comprising: a first slide module comprising a first number of inserts coupled to the first slide module, and a second slide module, coupled to the first slide module, comprising a second number of inserts, and wherein the second slide module is coupled to a first coupling end of the first slide module.

Abstract: A running surface for a ski having a running surface profile that has slideback prevention elements with sliding surfaces which slope up counter to a sliding direction and merge into push-off flanks. The slideback prevention elements have at least one first ramp element having a longitudinally convexly curved sliding surface with a first radius of curvature (r1) and at least one second ramp element. The the second ramp element has a longitudinally convexly curved sliding surface with a second radius of curvature (r2) which is greater than that of the first ramp element.

Abstract: A snowmobile ski assembly has a ski defining a slot, a ski runner disposed in the slot and being translatable in the slot between a first position and a second position, and a runner adjustment assembly connected to the ski runner. The runner adjustment assembly selectively translates the ski runner between the first and second positions. A snowmobile having the snowmobile ski assembly and a ski runner are also disclosed.

Abstract: Disclosed is a cooler that is adapted for use on various terrain. The cooler includes an insulated body having an inner compartment defined by a bottom wall having side walls extending upwardly therefrom, and a lid hingedly attached at the open upper portion of the body. The body further includes a bottom portion having a pair of rear wheels. In one embodiment, the device includes a sled arrangement. In another embodiment, the device includes a ski arrangement. The ski arrangement includes a pair of skis that may be removably attached to the bottom of the cooler. The sled or ski arrangement of the present invention are preferably attached to the bottom portion of the body, and in front of the rear wheels. In this way, the present invention provides a convenient way to transport a cooler to different locations by preventing the rear wheels from getting stuck on various terrain.

Abstract: A bucket assembly and a skid device and a method of manufacturing thereof has a ski-shaped member and is configured to be attachable to a front end portion of a loading bucket. Two or more skid devices can be attached to the front edge portion of the bucket to enable the bucket to move materials on the ground. Each skid device has a mounting bracket configured to be attached to the front edge portion of the bucket and has a main fastening device for securing it to the bucket and a secondary securing device comprising a retaining member that maintains the skid device on the bucket when the main fastening device becomes loose or fails. The retaining member prevents the skid device from falling off the bucket and acts as an alarm by making rattling noise. Each skid device also allows mounting of an auxiliary member that enables the bucket to carrying items longer than the width of the bucket, such as logs or posts.

Abstract: A snowmobile steering ski comprises a longitudinally extending body having a front portion, a central portion, a rear portion, a top surface configured to be secured to a snowmobile, and a bottom running surface configured to travel or glide over snow. The steering ski comprises at least one keel blade typically removably mounted to the body and downwardly extending from the bottom surface and generally extending longitudinally along at least a portion of the bottom surface. The bottom surface is further slightly upwardly arched, generally along the central portion thereof, such that the bottom surface defines a generally front pressure zone and a generally rear pressure zone. The rear pressure zone is located longitudinally behind the at least one keel blade, and is configured for substantially filling the trace(s) formed in the snow by the at least one keel blade such that the steering ski leaves little or no trace(s) in its wake.

Abstract: A snow gliding board, including front and rear lines of maximum width, and having sidecuts including a central area having a curvature directed towards the outside of the board, wherein said central area extends towards the front and/or the back in an adjacent area having a curvature oriented toward the inside, which extends at least all the way to the respective front and/or rear line of maximum width.

Abstract: Snowmobile skis include at least one elongated wing member projecting laterally outward and upward from a lateral side of a base portion of the ski. The at least one elongated wing member has a lower surface that extends vertically over and laterally outward from a lower running surface of the ski. At least a longitudinal section of the lower surface of the at least one elongated wing member may include a portion having a curved, concave shape. The lower surface of the at least one elongated wing member may extend a greater distance vertically over the lower running surface of the ski near a longitudinal midportion of the ski relative to a distance by which the lower surface of the at least one elongated wing member extends vertically over the lower running surface of the ski near a longitudinal front portion of the ski and near a longitudinal rear portion of the ski.

Abstract: An ice skate overshoe includes; an upper portion; a sole connected to the upper portion; a blade connected to the sole; where the upper portion is made substantially of stretchable rubber; where the upper portion is configured stretchable and capable to return substantially to its original state; where the upper portion comprises a first opening configured as an entrance for a footwear; where the upper portion is configured to stretch over the footwear to secure the ice skate overshoe to the footwear; where the sole is configured to support a footwear bottom; where the sole is configured substantially rigid; where the blade is configured substantially rigid; where the blade is rigidly attached to the sole; where the blade is configured operable to engage with an ice surface; where the ice skate overshoe is configured to wear over the footwear; and where the ice skate overshoe is configured operable to skate on the ice surface.

Abstract: A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 18 is fitted with mounting structure 48 which extends upwardly from the base portion and does not extend into the channel 36. The mounting structure 48 may be formed as one piece with the runner body 16 of the same material, has one or more tab features, and may be threaded and/or pierced to accommodate an associated net or mounting pin as desired for mounting the runner.

Abstract: A runner for a snowmobile ski is fabricated from flat metal plate stock and incorporates mounting features for securing the runner to the ski and a wear strip of a relatively harder material provided on and projecting from a lower surface of the runner body. A quick release mounting system is provided for attaching the runner to the ski, including quick installation and release wedge mounting systems. The thin runner blade and wear strip are of the same thickness and are joined by a brazed joint. The invention contemplates a method of fabricating the runner and a method of mounting the runner.

Abstract: The invention relates to running bases with improved speed and gliding characteristics when they run over water, snow or ice surfaces or artificial materials that mimic these surfaces. In particular the invention relates to a method comprising sequentially treating at least a portion of the running base with one or more abrasive materials having a progressively smaller particle size.

Abstract: A snowmobile ski comprises a body having a pair of rails laterally spaced from one another and interconnected at a tip. A spindle assembly connects the ski to suspension elements of the snowmobile. The spindle assembly has a pair of legs connected to respective rails to allow snow to pass between the legs.

Abstract: A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 18 is fitted with mounting structure 48 which extends upwardly from the base portion and does not extend into the channel 36. The mounting structure 48 may be formed as one piece with the runner body 16 of the same material, has one or more tab features, and may be threaded and/or pierced to accommodate an associated net or mounting pin as desired for mounting the runner.

Abstract: A ski for a snowmobile is provided with a pair of lateral wings and a central channel for increasing the flow of snow under a gliding surface at the bottom of the ski. The increased flow of snow enhances flotation of the ski. The channel may be formed by two downwardly extending keels. The wings are defined between the keels and outer edges of the ski. The keels may be asymmetric with a shorter keel being positioned toward an outer edge of the snowmobile to improve handling characteristics of a snowmobile.

Abstract: A snowmobile steering ski comprises a longitudinally extending body having a front portion, a central portion, a rear portion, a top surface configured to be secured to a snowmobile, and a bottom running surface configured to travel or glide over snow. The steering ski comprises at least one keel blade typically removably mounted to the body and downwardly extending from the bottom surface and generally extending longitudinally along at least a portion of the bottom surface. The bottom surface is further slightly upwardly arched, generally along the central portion thereof, such that the bottom surface defines a generally front pressure zone and a generally rear pressure zone. The rear pressure zone is located longitudinally behind the at least one keel blade, and is configured for substantially filling the trace(s) formed in the snow by the at least one keel blade such that the steering ski leaves little or no trace(s) in its wake.

Abstract: A snow gliding board, including front and rear lines of maximum width, and having sidecuts including a central area having a curvature directed towards the outside of the board, wherein said central area extends towards the front and/or the back in an adjacent area having a curvature oriented toward the inside, which extends at least all the way to the respective front and/or rear line of maximum width.

Abstract: A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 18 is fitted with mounting structure 48 which extends upwardly from the base portion and does not extend into the channel 36. The mounting structure 48 may be formed as one piece with the runner body 16 of the same material, has one or more tab features, and may be threaded and/or pierced to accommodate an associated net or mounting pin as desired for mounting the runner.

Abstract: The snowmobile ski edge includes a main body having a plurality of mounting holes formed on a mounting face of the main body and a plurality of raised, breaker rails formed on the opposite face of the main body. The breaker rails are spaced across the width of the main body and break up ice and snow in front of the snowmobile skis to easily form new paths, which substantially reduces darting. Each breaker rail is angled to form a leading breaking face and a trailing face extending towards the back of the main body. Carbide inserts are disposed in grooves on both the breaking and trailing faces to strengthen and increase wear characteristics of the breaker rails. The main body includes sloping sides, which together with the breaker rails form channels to funnel broken ice and snow towards the back and reduce drag.

Abstract: The present invention generally relates to snowmobiles. More particularly, the present invention relates to skis for a snowmobile.

Abstract: Some embodiments are directed to a board for riding on a snow surface, comprising a base having a first snow engaging element, a second snow engaging element, and a third snow engaging element positioned on a bottom surface of the base. The first snow engaging element can be positioned beneath a user's front foot during operation of the board and positioned entirely on a forward half of the base. The second and third snow engaging elements can be positioned such that a fore portion of each is positioned beneath a user's front foot during operation of the board and extends toward the rear portion of the board at least to the user's rear foot. In some embodiments, the snow engaging elements can be protrusions, depressions, or otherwise, and can be removably supported by the base.

Abstract: A multi-adaptable power automated apparatus used for gaining traction on various surfaces comprising: snow, and/or ice to name some. Further assisting with accelerating, decelerating, turning, and/or stopping of a person(s) and/or vehicle(s); yet further compatible in/or on water.

Abstract: A ski for a snowmobile is provided with a pair of lateral wings and a central channel for increasing the flow of snow under a gliding surface at the bottom of the ski. The increased flow of snow enhances flotation of the ski. The channel may be formed by two downwardly extending keels. The wings are defined between the keels and outer edges of the ski. The keels may be asymmetric with a shorter keel being positioned toward an outer edge of the snowmobile to improve handling characteristics of a snowmobile.

Abstract: A snowmobile includes a body, a steering mechanism provided in the body, a steering shaft connected with the steering mechanism for associated operation with the steering mechanism, a power steering device provided in the steering shaft, a pair of skis, and a connecting section arranged to connect the skis with the body. Each of the skis includes, in its lower surface, a straight portion extending straightly; an approach portion ahead of the straight portion and curving upward; and a keel portion protruding downward to a lower position than the straight portion and the approach portion.

Abstract: A server system maintains records and their associated attributes in a secure database. A plurality of queries generated by encrypting indices identifying a records and their associated attributes, by homomorphic encryption is received from a client system. A secret key is generated at a certain query count and is divided into randomly generated key shares. A key share sequence is homomorphically encrypted. A table is formed by encrypting the indices, secret key and attributes. Query responses, which each comprise the attributes for each of the records of the table of entries are provided. The key shares are decrypted sufficient to recover the secret key subject to a non-inference enabling query.

Abstract: A snowmobile ski comprises a body having a pair of rails laterally spaced from one another and interconnected at a tip. A spindle assembly connects the ski to suspension elements of the snowmobile. The spindle assembly has a pair of legs connected to respective rails to allow snow to pass between the legs.

Abstract: A snowmobile ski has an upturned front portion, a middle portion, and a rear portion. A longitudinally extending rib protrudes from a top of the middle portion and is laterally spaced from a longitudinal centerline of the ski. An aperture is disposed in the longitudinally extending rib for permitting attachment of the ski to a snowmobile. A ramp extends from a first point to at least a second point. The first point is disposed longitudinally between the front portion and the aperture, and closer to the top of the middle portion than the aperture. The second point is disposed longitudinally between the first point and the rear portion, and further away from the top of the middle portion than a lower end of the aperture. The longitudinally extending rib is disposed between the longitudinal centerline and the ramp. A snowmobile having a pair of the above-described skis is also described.

Abstract: A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 18 is fitted with mounting structure 48 which extends upwardly from the base portion and does not extend into the channel 36. The mounting structure 48 may be formed as one piece with the runner body 16 of the same material, has one or more tab features, and may be threaded and/or pierced to accommodate an associated net or mounting pin as desired for mounting the runner.

Abstract: The beach wagon is a modified wagon including a plurality of large wheels, a plurality of foldable chair carrying racks, and side bars that can carry umbrellas, tables, and the like. The beach wagon is also capable of storing items inside of the wagon bed, such as coolers and beach toys.

Abstract: A strut to connect a ski assembly to a snowmobile suspension comprising a spindle having at least one attachment point to secure the spindle to suspension components and having a first abutment face. A saddle assembly extending from the spindle for connection to the ski assembly and having a second abutment face oppositely directed to the first abutment face. A connector to hold the abutment faces in engagement to provide a unitary strut.

Abstract: The snowmobile ski edge includes a main body having a plurality of mounting holes formed on a mounting face of the main body and a plurality of raised, breaker rails formed on the opposite face of the main body. The breaker rails are spaced across the width of the main body and break up ice and snow in front of the snowmobile skis to easily form new paths, which substantially reduces darting. Each breaker rail is angled to form a leading breaking face and a trailing face extending towards the back of the main body. Carbide inserts are disposed in grooves on both the breaking and trailing faces to strengthen and increase wear characteristics of the breaker rails. The main body includes sloping sides, which together with the breaker rails form channels to funnel broken ice and snow towards the back and reduce drag.

Abstract: Snowmobile skis include at least one elongated wing member projecting laterally outward and upward from a lateral side of a base portion of the ski. The at least one elongated wing member has a lower surface that extends vertically over and laterally outward from the lower running surface of the ski. At least a longitudinal section of the lower surface of the at least one elongated wing member may include a portion having a curved, concave shape. The lower surface of the at least one elongated wing member may extend a greater distance vertically over the lower running surface of the ski near a longitudinal midportion of the ski relative to a distance by which the lower surface of the at least one elongated wing member extends vertically over the lower running surface of the ski near a longitudinal front portion of the ski and near a longitudinal rear portion of the ski.

Abstract: A runner and method of making a runner for mounting on a snow ski including a runner body fabricated of one piece of stamped metal which includes a central base portion and a pair of longitudinally extending runner portions which are bent downwardly from the base portions in laterally spaced relationship to one another. Carbide wear strips are secured to the lower edges of the runner portions, while the base portion 18 is fitted with mounting structure 48 which extends upwardly from the base portion and does not extend into the channel 36. The mounting structure 48 may be formed as one piece with the runner body 16 of the same material, has one or more tab features, and may be threaded and/or pierced to accommodate an associated net or mounting pin as desired for mounting the runner.

Abstract: A snowmobile ski with a pair of outboard keels and laterally projecting, upwardly slanting, lateral wings attached proximate the outboard keels is disclosed. A ski of this structure has improved flotation and resistance to side slippage in turns.

Abstract: The present invention relates to a prior application U.S. Ser. No. 11/705,116 <<ANTI-ZIGZAG GUIDE RAIL FOR SNOWMOBILE SKI>> wherein a flat rectangular extension (122) is added to protect from wear the skittle of a snowmobile ski when crossing rocky paths. The flat extension is used as floating link between the guide and the tail (131) of a wear runner laid out longitudinally of the ski. The guide (120) located at the front of the ski is always engaged, along with the self-sharpening runner, in ice, while the extension (122) keeps the back of the ski flat. The extension may be of a reversed U-shape comprising an extra web (135) and two extra cutting wings (136) protruding from the web (135) to a certain depth in direction of the ground and longitudinally of the extension, thus defining five cutting trails.

Abstract: A mobile security apparatus without wheels is provided. The mobile security system may be suitable for transportation to and/or deployment in locations that are not accessible by roads, such as those covered by ice or snow, those in a body of water, etc. For some embodiments, the mobile security apparatus includes surveillance equipment, a pole for supporting the surveillance equipment, a base unit for supporting the pole, and wheel-less positioning means for transporting the mobile security system.

Abstract: A ski for a snowmobile or other snow machine is provided with a pair of lateral wings and a central channel for increasing the flow of snow under a gliding surface at the bottom of the ski. The increased flow of snow enhances flotation of the ski. The channel may be formed by two downwardly extending keels. The wings are defined between the keels and outer edges of the ski.

Abstract: An ice skate strip-blade holder that provides a means to remove, replace, tension, and maintain tension in a strip-blade fastened and tensioned on the holder. In a preferred embodiment, the strip-blade holder assembly includes a front segment fixed to the skate plastic superstructure; a latched, pivoting rear segment arranged to apply and maintain tension in the strip-blade. In a preferred embodiment, the pivot and latch are positioned such that the pivot carries the majority of the tensile load maintained in the strip-blade and the latch carries a minor component of this tensile load. This arrangement provides for easy latch release. The latch provides release of the rear segment for subsequent pivoting and unhooking of the strip-blade for replacement.

Abstract: Traction enhancing runner assemblies for mounting underneath a snowmobile ski. The runner assemblies of this invention are a single rail with double edges to provide parallel runner bars, but the runner bars are not adjacent each other such that they provide a “staggered” runner arrangement which enhances the traction of the runner bar and hence the stability of the snowmobile on which they are mounted. Also, the double edges are provided with novel grooves that contain hard welds or carbide inserts to enhance the wear characteristics of the runner assemblies.

Abstract: A snowmobile ski has an upturned front portion, a middle portion, and a rear portion. A longitudinally extending rib protrudes from a top of the middle portion and is laterally spaced from a longitudinal centerline of the ski. An aperture is disposed in the longitudinally extending rib for permitting attachment of the ski to a snowmobile. A ramp extends from a first point to at least a second point. The first point is disposed longitudinally between the front portion and the aperture, and closer to the top of the middle portion than the aperture. The second point is disposed longitudinally between the first point and the rear portion, and further away from the top of the middle portion than a lower end of the aperture. The longitudinally extending rib is disposed between the longitudinal centerline and the ramp. A snowmobile having a pair of the above-described skis is also described.

Abstract: A blade for a skate includes a holder, a runner, and an attachment device. The holder includes a front section and a rear section where at least one of the front section and the rear section includes at least two, separate hollow regions and an aperture. The aperture extends through the holder between the at least two, separate hollow regions. The attachment device extends through a substantially solid portion of the holder between the two, separate hollow regions into the aperture and secures the runner to the holder. At least a portion of the attachment device used to secure the runner to the holder is accessible in the aperture.

Abstract: A runner for a snowmobile ski is fabricated from flat metal plate stock and incorporates mounting features for securing the runner to the ski and a wear strip of a relatively harder material provided on and projecting from a lower surface of the runner body. A quick release mounting system is provided for attaching the runner to the ski, including quick installation and release wedge mounting systems. The thin runner blade and wear strip are of the same thickness and are joined by a brazed joint. The invention contemplates a method of fabricating the runner and a method of mounting the runner.

Abstract: A runner for a snowmobile ski is fabricated from flat metal plate stock and incorporates mounting features for securing the runner to the ski and a wear strip of a relatively harder material provided on and projecting from a lower surface of the runner body. A quick release mounting system is provided for attaching the runner to the ski, including quick installation and release wedge mounting systems. The thin runner blade and wear strip are of the same thickness and are joined by a brazed joint. The invention contemplates a method of fabricating the runner and a method of mounting the runner.

Abstract: A sporting apparatus comprises at least two bases (1) apt to slide above a resting surface (100), connecting means (5) of the bases (1), apt to implement mutual motions of the bases (1) and characterized in that each one of the bases (1) comprises at least a projection (11), faced towards the resting surface (100).

Abstract: A snow-sliding vehicle including a bearing rear runner and a directional front runner to which is connected a steering column pivoting in a sleeve firmly attached to the upper end of a stiff frame connecting both runners, and the lower end of which is attached to a supporting base surmounting the bearing runner and provided for supporting the feet of the user. The front portion of said base is connected to the bearing runner by a mechanical connection providing it with clearance ostensibly perpendicular to said runner controlled by a damping device.

Abstract: A board is provided particularly for supporting a front of a snow vehicle. The board is provided alone as a single board for a forward portion of the snow vehicle with the board capable of floating upon soft snow. The board includes a mounting bracket on an upper surface for mounting to a chassis of the snow vehicle. The running surface opposite the upper surface floats the board upon the snow or other support surface and preferably includes a central fin and a pair of skegs extending down from the running surface. Side edges of the board can engage the snow to allow turns to be carved by the snow vehicle. The central fin can be adjusted in position and depth and has various different configurations to provide optimal steering control of the snow vehicle through the board.