Abstract: The present invention involves a narrow aisle truck comprising: a vehicle body having length and width directions; wheels assigned to the vehicle body and arranged on two axes running in the width direction and configured to drive and steer the truck; a drive system configured to exert an acceleration torque on at least one of the wheels; a mast extending substantially vertically with respect to the length direction of the vehicle body between the two axes; at least one detection unit to detect at least one state parameter; at least one actuator to cause a movement of the mast relative to the vehicle body; and a control unit to: determine a current state, determine an effect of an actuation of the at least one actuator on the current state, and activate the at least one actuator to reduce a difference between the determined current state and a predetermined target state.

Abstract: An industrial truck comprises a vehicle body, a lifting frame, at least one load wheel, at least one further wheel, at least one actuator, at least one detection unit configured to detect a current operating parameter of the industrial truck, and a control unit. The control unit is configured to define a target state of the industrial truck, to receive data from the detection unit to determine an actual state of the industrial truck based on the detected operating parameters of the industrial truck, to calculate the effects of possible adjustments of the relative position of the load wheel with respect to the vehicle body on the actual state of the industrial truck, and to instruct the at least one actuator to adjust the relative position of the load wheel with respect to the vehicle body to approximate the actual state of the industrial truck to the target state.

Abstract: A three-side stacker with a side push frame at one end of the stacker, on which a side arm is horizontally traversable mounted, wherein the side arm has a first traversable portion mounted on the side push frame and a second portion, which is mounted pivotally around a vertical axis on the first portion and on which a load supporting means is mounted, which is actuable by a hydraulic lifting cylinder, and a pivoting equipment for the second portion, mounted on the first portion, wherein the casing of a hydraulic rotational drive with a rotatable spindle is fixed on the first portion, wherein a portion of the spindle is splinedly connected with a holder or a lifting scaffold for the load supporting means outside the casing.

Abstract: The invention relates to a steering actuation device for a vehicle, in particular for an industrial truck, having an operating element for inputting steering commands by exerting torques on the operating element, having a sensor arrangement for monitoring the steering command input state of the operating element and having a control device for converting the steering command input data detected by the sensor arrangement into control information for a steering drive apparatus of a wheel, which can be steered, of the vehicle, the sensor arrangement detecting the respective steering command input state of the operating element by means of monitoring the elastic material deformation, in particular torsion, of an element, which is subjected to elastic deformation by means of a steering command input torque on the operating element and is coupled to or associated with the operating element.

Abstract: The present invention relates to an industrial truck (10) having a load-receiving device (14) for the purpose of receiving a load (34), said load-receiving device (14) having a clamping device (23) in order to hold a clamping region (36) of the received load (34) in clamping engagement, the clamping device (23) having at least one clamping mechanism (24, 28) which can move between a clamping position and a release position, a drive arrangement (40), which is coupled to at least one of the clamping mechanisms (24, 28), for the purpose of moving the clamping mechanisms (24, 28) and an elastic device (42) which prestresses the clamping mechanisms (24, 28) towards one of the positions. With the industrial truck according to the invention, provision is made for the elastic device (42) to prestress the clamping mechanisms (24, 28) in the direction of the clamping position and to exert a clamping force on the clamping region (36) of the load (34) in the clamping position.

Abstract: A load-handling means, in particular for industrial trucks, comprises a frame (12) and a load movement component part (14), which is accommodated on said frame in such a way that it is capable of a relative movement, the load movement component part (14) being guided on the frame (12) by means of a plurality of rolling bodies (30, 34, 36, 46) for the relative movement along a guide axis (F), the plurality of rolling bodies (30, 34, 36, 46) comprising at least one arrangement of circulating rolling bodies (46), with a supporting section (T), in which rolling bodies (46) in the event of a relative movement of the frame (12) and the load movement component part (14) roll along a guide track (50, 52), which is fixedly connected to one component part of the frame (12) and the load movement component part (14), and a rolling track (56), which is fixedly connected to the respective other component part of the frame (12) and the load movement component part (14), and with a return section (R), in which the rolling bo

Abstract: The invention relates to an industrial truck having a mounting plate and an add-on unit, which is fixed to said mounting plate by means of at least one fixing means, a bearing surface, which points towards the mounting plate, of the add-on unit being in touching contact with a mounting surface, which points towards the add-on unit, of the mounting plate, and at least one of the surfaces (bearing surface and mounting surface) being formed such that it is curved convexly at least in the section of the touching contact.

Abstract: In the case of an industrial truck having a piston/cylinder arrangement (20), comprising a cylinder (26) and a piston (22), which can be extended out of and withdrawn into said cylinder (26), as a drive and/or as guidance for a first component (12) for the purpose of moving it in relation to a second component (14), in particular as a drive for components (12, 14) of a lifting system (10), the piston (22) is coupled for force transfer purposes to a component (14) associated with it (first or second component), and the cylinder (26) is mounted on a cylinder bearing (34) of the respective other component (12) associated with the cylinder (26) and is coupled to said component (12) for force transfer purposes. According to the invention, the cylinder (26) is in bearing engagement with the cylinder bearing (34) such that it can be moved in relation to the cylinder bearing (34).

Abstract: The invention relates to a steering actuation device for a vehicle, in particular for an industrial truck, having an operating element (1) for inputting steering commands by exerting torques on the operating element (1), having a sensor arrangement (16) for monitoring the steering command input state of the operating element (1) and having a control device for converting the steering command input data detected by the sensor arrangement (16) into control information for a steering drive apparatus of a wheel, which can be steered, of the vehicle, the sensor arrangement (16) detecting the respective steering command input state of the operating element (1) by means of monitoring the elastic material deformation, in particular torsion, of an element (14), which is subjected to elastic deformation by means of a steering command input torque on the operating element (1) and is coupled to or associated with the operating element (1).

Abstract: A three-side stacker with a side push frame at one end of the stacker, on which a side arm is horizontally traversable mounted, wherein the side arm has a first traversable portion mounted on the side push frame and a second portion, which is mounted pivotally around a vertical axis on the first portion and on which a load supporting means is mounted, which is actuable by a hydraulic lifting cylinder, and a pivoting equipment for the second portion, mounted on the first portion, wherein the casing of a hydraulic rotational drive with a rotatable spindle is fixed on the first portion, wherein a portion of the spindle is splinedly connected with a holder or a lifting scaffold for the load supporting means outside the casing.

Abstract: A three-side stacker with a side push frame at one end of the stacker, on which a side arm is horizontally movably mounted, wherein the side arm has a first portion mounted by the side push frame and a second portion which is mounted pivotally around a vertical axis on the first portion and holds a load supporting means, a pivoting equipment for the second portion, mounted on the first portion, an upper and a lower horizontal guideway on the side push frame, with which guide rolls on the first portion of the side arm co-operate, as well as with an upper and lower toothed rack into which gear wheels engage which sit splinedly on a common shaft which is rotatably mounted in the first portion, and with a rotational drive for the torsion shaft on the first portion, wherein guideways are arranged on the side push frame in parallel to the toothed racks, and spacer rollers sit on the shaft, which co-operate with the guideways and determine the distance of the gearwheels from the toothed racks.

Abstract: The invention provides an industrial truck (10), in particular an order-picking stacker, which is provided with a sheet-holding device (30) which is mounted on a supporting structure (21) in the region of a driver's platform (20) on the industrial truck (10). A writing surface (32) of the sheet-holding device (30) can be displaced between a storage position and a use position along a displacement path and can be fixed in at least the use position. Furthermore, a force-exerting device (42) is provided which exerts a force (F) on the sheet-holding device (30) when the sheet-holding device (30) is displaced at least along a section of the displacement path (V) in at least one displacement direction, advantageously in both displacement directions, said force having a force component (Fv, Fv?) which is effective in the displacement direction.

Abstract: The present invention relates to an industrial truck (10) having a load-receiving device (14) for the purpose of receiving a load (34), said load-receiving device (14) having a clamping device (23) in order to hold a clamping region (36) of the received load (34) in clamping engagement, the clamping device (23) having at least one clamping means (24, 28) which can move between a clamping position and a release position, a drive arrangement (40), which is coupled to at least one of the clamping means (24, 28), for the purpose of moving the clamping means (24, 28) and an elastic device (42) which prestresses the clamping means (24, 28) towards one of the positions. With the industrial truck according to the invention, provision is made for the elastic device (42) to prestress the clamping means (24, 28) in the direction of the clamping position and to exert a clamping force on the clamping region (36) of the load (34) in the clamping position.

Abstract: An industrial truck having at least one elongate load-accommodating means (10) and a bearing structure (16) supporting the load-accommodating means (10), the load-accommodating means (10) being connected to the bearing structure (16) and it being possible for said load-accommodating means (10) to be pivoted about a pivot axis (SA) in relation to the bearing structure (16) between a use position and a non-use position, and the load-accommodating means (10) being supported on the bearing structure (16) in the use position, is characterized in that a damping arrangement is provided on the load-accommodating means (10) and/or on the bearing structure (16) and has at least one elastic damper element.

Abstract: In the case of an industrial truck having a piston/cylinder arrangement (20), comprising a cylinder (26) and a piston (22), which can be extended out of and withdrawn into said cylinder (26), as a drive and/or as guidance for a first component (12) for the purpose of moving it in relation to a second component (14), in particular as a drive for components (12, 14) of a lifting system (10), the piston (22) is coupled for force transfer purposes to a component (14) associated with it (first or second component), and the cylinder (26) is mounted on a cylinder bearing (34) of the respective other component (12) associated with the cylinder (26) and is coupled to said component (12) for force transfer purposes. According to the invention, the cylinder (26) is in bearing engagement with the cylinder bearing (34) such that it can be moved in relation to the cylinder bearing (34).

Abstract: The invention relates to an industrial truck having a mounting plate (14) and an add-on unit (16), which is fixed to said mounting plate (14) by means of at least one fixing means (18, 24, 26), a bearing surface (20a), which points towards the mounting plate (14), of the add-on unit (16) being in touching contact with a mounting surface (14b), which points towards the add-on unit (16), of the mounting plate (14), and at least one of the surfaces (bearing surface and mounting surface) being formed such that it is curved convexly at least in the section of the touching contact.

Abstract: A light scanning system for needles in knitting machines, more particularly circular knitting machines, with a control unit, which comprises at least a light source and an evaluating unit with a receiver, at least a first (22, 42) and a second (24, 44) light wave conductor, the first light wave conductor (22, 42) having a first end, which is connected to the light source in order to supply light into the first light wave conductor, and having a second end (26), which is secured in a casing (20, 46) for transmitting the light to a needle, and the second light wave conductor (24, 44) having a first end (30), which is secured in the casing (20, 48) so close to the second end (26) of the first light wave conductor (22, 42) that radiation reflected by the needle enters the second light wave conductor (24, 44), and having a second end, which is connected to the evaluating unit, so that the reflected radiation is supplied to the receiver.