Abstract: The invention relates to a foldable housing with which a sports equipment can be folded out easily and safely below the water line and such that a training can be performed or the sports equipment can be released from the wall bracket and placed freely within the swimming pool. After the training, the sports equipment can be folded together and, within the foldable housing, folded up to the wall of the swimming pool or the wall bracket and secured with little exertion of force and visually be barely perceivable from the outside, the content representing no risk of injury to swimmers.

Abstract: The invention relates to a foldout stern-lowering means (1) which constitutes an integral part of the watercraft (38) and has at least three sectors (A, B, C) which can be walked on and optionally three further sectors (D, E, F) which can be walked on, with three different foldout modes: gangway, stairs and tender, with a safety means on the lifting means (18) in order always to return the stern-lowering means (1) into the starting position, and a safety means by means of an emergency lifting means (31) for people, and also to compensate for the additional weight of a stern-lowering means (1) by means of buoyancy means (39, 39a) and to increase the comfort while underway and before anchoring, assisted by slosh plates (40).

Abstract: The invention relates to two maneuvering systems, each of which is located in a housing and which are placed as far apart from each other as possible on the stern in order to this enable a watercraft to be moved precisely on the longitudinal axis, laterally, forward/backward and on the vertical axis. By means of a modified throttle and gear lever of the main engines, referred to as a manipulator, which is coupled with the functions of the maneuvering systems and, with the integration of the steering wheel, all of the maneuvering functions and driving modes can be carried out and automated or act in a supportive capacity by means of the controller, or the manual incorporation of the main engines can be permitted at any time by means of an actuator.

Abstract: The invention relates to a basic drive (1), which, by means of few manual actions, can be coupled securely and with an exact fit to desired modules (2) one or more times by means of a quick-acting closure (8, 8a), and which has different technical functions, ranging from the lifting functions by means of a spindle lift module (16), gas spring (60), electromagnetic locking mechanism (27), turning module (38), controller (14) and sensor module (54), through to the basic drive (1), to which a solar cell enclosure (42) may be attached.

Abstract: The invention relates to a tender furniture (1) unit which is hollow and contains a fold-out V-support (6) which thus serves as a parking means for a tender (9), and additional technical means (12, 12a, 12b, 13, 16, 26, 27, 36, 38, 43, 47) and general storage means can be stowed therein and, with no tender (9) is present, the tender furniture unit (1) serves, by means of the backrest (3), as seating, an enlarged platform area or lying area.

Abstract: A lift with guide rails and guide device and by using a cable winch reduction, an electric drive or a hydraulic cylinder enables a lift platform or a double platform to move vertically over a lifting and the swimming pool lift includes a flotation body, which can receive the drive, the hydraulic system and the swimming pool cleaning system.

Abstract: A weight adjuster on a weight station which has a support frame on which a rotatably mounted guide frame is attached which has rails on which the weight can be moved in the longitudinal direction by means of pulleys or sliding elements, and the angle of the guide frame is continuously adjustable by means of an actuator means and therefore effects a change in the load on the rope. The rope can supply electrical power, and a training program can be optimized by means of buttons, a force sensor, a rotational-speed sensor, a vibration generator and the controller.

Abstract: The invention relates to stairs that are attached under the platform and can be swung out and are distinguished in that the steps remain positionally stable horizontally when the stairs are swung out, and the bottom steps form a cover and optionally a flow body, and once the stairs are swung out, they form means for climbing in and out of the water, a seat element, function as a trim tab and damping means and, when the swinging arms are swung out further, constitute an additional platform, and the swinging ladder consists of ladder elements and can be folded by means of a cam and a bracket, and the stairs and swinging ladder as a stairway can have a handrail which can be swung out manually or automatically.

Abstract: A securing device for a lowerable platform on a watercraft, wherein a lowering of the platform by way of a technical device that is mounted on the tail of the watercraft is only activated after the height and steering positions of the technical device have been adjusted and secured by sensors.

Abstract: The invention relates to command input means (1) for balance assemblies (22) having a cover housing (15) to be intuitively turned and a rocker (4) as well as a quick button (6), which respectively trigger different lowering functions on the balance assemblies (22) in the bottom or the top rotary speed ranges, respectively, a neutral button (7) which neutralises all functions and causes the balance assemblies (22) to move fully upwards, and enables further functions by means of the controller (9), such as triggering of the adjustment of the balance assemblies (22) as a function of the rotary speed or by means of turning the steering wheel (20) in an automatic manner, and the signals can also be used at the same time for controlling the trim of a stern drive (16).

Abstract: The invention relates to stairs that are attached under the platform and can be swung out and are distinguished in that the steps remain positionally stable horizontally when the stairs are swung out, and the bottom steps form a cover and optionally a flow body, and once the stairs are swung out, they form means for climbing in and out of the water, a seat element, function as a trim tab and damping means and, when the swinging arms are swung out further, constitute an additional platform, and the swinging ladder consists of ladder elements and can be folded by means of a cam and a bracket, and the stairs and swinging ladder as a stairway can have a handrail which can be swung out manually or automatically.

Abstract: The invention relates to an operating cylinder which includes a cylinder liner having one or more annular grooves incorporated into it, corresponding retainer rings or retainer ring segments fitting into said grooves and resting against the bulkheads or being forced against the cylinder liner or against the retainer rings or the retainer ring segments by means of the shaft nut owing to the beveled or fluted section. Means prevent any additional axial displacement of the bulkheads.

Abstract: The invention relates to a tender furniture (1) unit which is hollow and contains a fold-out V-support (6) which thus serves as a parking means for a tender (9), and additional technical means (12, 12a, 12b, 13, 16, 26, 27, 36, 38, 43, 47) and general storage means can be stowed therein and, with no tender (9) is present, the tender furniture unit (1) serves, by means of the backrest (3), as seating, an enlarged platform area or lying area.

Abstract: The invention relates to a three-armed pivot system, the two upper pivot arms having a V shape and representing part of a parallelogram, and the lower arm being a single, centrally situated pivot arm which represents the second part of the parallelogram. The active cylinder is assisted by a gas spring, and a personal protection safety net covers the gap between the vehicle and the platform, which may optionally be horizontally displaced. The active cylinder has a lift sensor which is connected to the controller, and the offset positioning of the active cylinder with respect to the bracket and of the fastening point to the pivot arm or support produces an improved lifting force.

Abstract: Watercraft having a hull and a stern and including at least two additional floaters stretching out at the stern of a watercraft, wherein the additional floaters form a U at the stern of the watercraft, wherein the additional floaters and the hull each include bottoms and the bottoms of the additional floaters are positioned above the hull bottom, and wherein the bottoms of the additional floaters are stepped by one or more steps.

Abstract: The invention comprises a tender pick up (1) having the appropriately formed retainer (4) hinged on a chock (2). The retainer (4) is manually or by means of cylinder (5) and spring (6) preloaded and slip-free, and clamps a tender (22) with docking mean (29). If necessary, the use of sensors (30) register the exact position, before the appropriate functions are activated by the controller (19). Is a drop down stair (8) or a platform (80) or a deck (51) fixed onto the transom (20) of the watercraft, then by using the swiveling arms (7) the tender (22) is tilted out when lowering or extended by a sledge (81). The weight of the platform (80) or stair (8) and the tender pick up (1) can be compensated by means of the static lifting force of the lifting body (14). To bring up the platform (80) or stair (8) safely, a gas spring (37) can be used as a supportive measure.

Abstract: The invention relates to two maneuvering systems (5), each of which is located in a housing (11) and which are placed as far apart from each other as possible on the stern (10) in order to this enable a watercraft to be moved precisely on the longitudinal axis (LA), laterally, forward/backward and on the vertical axis (HA). By means of a modified throttle and gear lever of the main engines (2), referred to as a manipulator (8), which is coupled with the functions of the maneuvering systems (5) and, with the integration of the steering wheel (7), all of the maneuvering functions and driving modes can be carried out and automated or act in a supportive capacity by means of the controller (9), or the manual incorporation of the main engines (2) can be permitted at any time by means of an actuator (25b).

Abstract: The invention comprises a segmented platform (1) for watercraft which, which serves as a stair lift, swimplatform or gangway and can be lowered by an active or passive cylinder (4) and a parallelogram (3). The platform (1) consists of plates (2) and optional lateral lifting bodies (8), as well as of a locker (11,12) whereby the whole unit can be tilted up by the bearing (6) attached to the side plates (7) and in addition a down stroke (H1,H2,H3) is created by a second parallelogram (28) or pivot mean (29), therefor the watercraft takes up less space when not in use. The plates (2) can have a cover (21) in the form of a strap (18) and when lifting the plates (2) a higher safety for people is made possible.

Abstract: The invention relates to a swivel lift (1) with swivel arms (2) with a parallelogram function on which a bridge plate (30) or a walkable and drivable swivel arm floor (6) or positionally stable steps (42) is mounted on the lower swivel arm (2), and the swivel arms (2) hold the lifting plate (7) horizontally positionally stable by means of bearing(s) (18), can be moved as needed longitudinally electronically or by forced control, and a ramp (8) and/or a gate (9) is mounted on the lifting platform (19) in front of or behind the lifting plate (7), and the lifting movement is accomplished by means of an operating cylinder (3) with the support of a gas spring (4).

Abstract: The invention relates to command input means (1) for balance assemblies (22) having a cover housing (15) to be intuitively turned and a rocker (4) as well as a quick button (6), which respectively trigger different lowering functions on the balance assemblies (22) in the bottom or the top rotary speed ranges, respectively, a neutral button (7) which neutralises all functions and causes the balance assemblies (22) to move fully upwards, and enables further functions by means of the controller (9), such as triggering of the adjustment of the balance assemblies (22) as a function of the rotary speed or by means of turning the steering wheel (20) in an automatic manner, and the signals can also be used at the same time for controlling the trim of a stern drive (16).