A foldable recreational board that can be formed into a ridable board for riding and then folded when finished for easy transportation or storage. The foldable recreational board has foam sections covered by a flexible skin. The flexible skin includes a closing and opening mechanism. When the closing and opening mechanism is closed the skin is held very tight around the foam sections so that the foam sections are squeezed together tightly to form a ridable board. When the closing and opening mechanism is opened, pressure is released from the foam sections and the recreational board can be folded. In a preferred embodiment there are three foam sections and the opening and closing mechanism is two zippers attached to a inch thick flexible neoprene skin.

The invention relates to a folding pole (1), normally comprising four pipe sections (7-9), wherein the pipe sections (7-9) are connected to each other by means of plug-in connections while aligned along the pole axis (32) in the assembled state of the folding pole (1), and normally only three pipe sections (8, 8, 9) are still connected to each other by means of a movable connecting element (16) in the folded state, and wherein a pole handle (2) is arranged on a top pipe section (7) and a pole tip (23) is arranged on a bottom pipe section (9). According to the invention, at least one of the plug-in connections is realized by means of an external clamping mechanism (10), wherein the clamping mechanism (10) is fastened to a first pipe section (7), and wherein a second pipe section (8), which has an outside diameter smaller than or nearly equal to the inside diameter of the first pipe section (7), and which is supported in the first pipe section (7) so as to be movable itself, can be fastened in the relative axial position by the external clamping mechanism (10). The further plug-in connections are designed as pure plug-in connections, wherein pipe sections (8, 8, 9) are fastened only an axial direction in the connected state. The pipe sections (7-9) are connected to each other by means of at least one tension cable (16), which is fastened to the bottom pipe section (9) and to the top pipe section (7) and which is arranged so as to pass through the interior (31) of the at least two middle pipe sections (8, 8). The folding pole (1) is designed in such a way that the folding pole can be transferred from the folded state to the assembled state by connecting the further plug-in connections, and then, with the external clamping mechanism (10) released, pulling the second pipe section (8) out of the first pipe section (7) until the tension cable (16) is under tension, and fastening the external clamping mechanism (10).

A method, system and apparatus for carrying a user including a board for supporting the user, a ground-contacting member coupled with the board, a motorized drive assembly coupled with the ground-contacting member and one or more sensors coupled with the drive assembly. In operation, the drive assembly adjusts the velocity of the ground-contacting member based on one or more distances of the board from a surface below the board as detected by the sensors. As a result, the system is able to maintain a desired velocity when ascending, descending or traversing uneven ground without the need for excessive and sometimes impossible tilting of the board.

The invention relates to a sporting device (1), in particular a touring ski assembly. The sporting device (1) comprises a sliding body (2) on which a bottom side (3) is designed as a sliding surface (4). Furthermore, the sporting device (1) comprises a binding apparatus (6) disposed on the top face (5) of the sliding body (2) for fastening to a sporting shoe (7) of a user (8) in such a way that the fastening can be released as and when necessary, a circulating belt (13) having a first segment (14) for establishing a relative motion between the sliding body (2) and the ground (12) and a second, returning segment (15), as well as a drive apparatus (17) and at least one first deflecting apparatus (18) for the belt (13). The first segment (14) is disposed next to the bottom side (3) of the sliding body (2) and the second, returning segment (15) is disposed next to the top face (5) of the sliding body (2). At least the majority of the length (9) of the sliding body (2) is surrounded by the circulating, intrinsically closed belt (13). By means of this design, a user can be supported with regard to his advancing movement, in particular the overcoming of ascents and mountain routes can thereby be made easier, such that the body force or performance capacity to be applied by the user can be lower.

A foldable longboard composed of a deck split in multiple sections connected on their lower surface with a folding assembly having an indivisible flexible element capable of bending near the interface between the different sections of the deck, allowing therefore said sections to be rotated in one direction to a folded position where the bottom surfaces of each section face each other, while inhibiting said sections to rotate in the other direction, against each other's top surface, when the longboard is in its elongated configuration.

The invention relates to a folding pole (1), normally comprising four pipe sections (7-9), wherein the pipe sections (7-9) are connected to each other by means of plug-in connections while aligned along the pole axis (32) in the assembled state of the folding pole (1), and normally only three pipe sections (8, 8, 9) are still connected to each other by means of a movable connecting element (16) in the folded state, and wherein a pole handle (2) is arranged on a top pipe section (7) and a pole tip (23) is arranged on a bottom pipe section (9). According to the invention, at least one of the plug-in connections is realized by means of an external clamping mechanism (10), wherein the clamping mechanism (10) is fastened to a first pipe section (7), and wherein a second pipe section (8), which has an outside diameter smaller than or nearly equal to the inside diameter of the first pipe section (7), and which is supported in the first pipe section (7) so as to be movable itself, can be fastened in the relative axial position by the external clamping mechanism (10). The further plug-in connections are designed as pure plug-in connections, wherein pipe sections (8, 8, 9) are fastened only in an axial direction in the connected state. The pipe sections (7-9) are connected to each other by means of at least one tension cable (16), which is fastened to the bottom pipe section (9) and to the top pipe section (7) and which is arranged so as to pass through the interior (31) of the at least two middle pipe sections (8, 8). The folding pole (1) is designed in such a way that the folding pole can be transferred from the folded state to the assembled state by connecting the further plug-in connections, and then, with the external clamping mechanism (10) released, pulling the second pipe section (8) out of the first pipe section (7) until the tension cable (16) is under tension, and fastening the external clamping mechanism (10).

An apparatus comprising a platform; a plurality of trucks coupled to the platform; and a roller assembly coupled to the platform, wherein the roller assembly is configured for an omnidirectional rotation, wherein the roller assembly is configured for an elastic biasing, wherein the roller assembly is driven by a motor.

A collapsible ski includes a front part and a rear part that, when arranged in their linearly aligned position, are fixed in that position by a connecting platform which is rotatable around an axis, which extends throughout a fold between the front part and rear part, and which is rectangular. Benefits of such a collapsible ski may include, to a consumer, practical storage and transporting benefits, while to the manufacturer, may include simplification of technology for manufacturing of each component, when compared with manufacturing of classic single-part skis. The collapsible ski can be assembled in place simply without using any tools. The collapsible ski is assembled of several mutually connectable yet detachable parts. The collapsible ski also provides the possibility of combining separately manufactured and preferably standardized parts in view of providing semi-products and finalizing each collapsible ski.

The enclosed invention is a portable professional regulation size skate board and snowboard half pipe park. The park is made up of two mobile trailer units. Each unit consisting of a quarter ramps, performer platform with safety railing and a weather canopy cover. One unit consists of spectator platform and spiral staircase for climbing to the platform.

Each unit comprising of structural steel framing is mechanically operated using hydraulics to raise and lower the unit on the a axis and raise and lower the quarter ramps on V axis, safety rails followed by horizontal movement on the X and Y axis.

Once placed, the units, facing each other in a parallel position, hydraulically raised, then quarter ramps lowered and then hydraulically moved in the horizontal position connecting the two individual quarter ramps to be mechanically attached providing a smooth surface transition as required for the professional skate board performer.

A pole comprising a pole handle and a pole tip, with at least two tube portions located therebetween, which in an assembled state of the pole are connected to one another by means of insertion connections aligned along a longitudinal pole axis A. At least one of the plug connections is realized on a second tube portion by way of a form-fit and/or force-fit locking device, wherein the second tube portion has a smaller the same outer diameter than the inner diameter of a first tube portion, and which can be inserted into the first tube portion, and which can be fixed in the relative axial position by means of the form-fit locking device. On at least one of the plug connections, a tubular sleeve having a clamping element in a receiving groove is arranged between the tubular sleeve and the lower end of the first tubular portion.