Abstract: The present invention relates to a work machine, in particular to an excavator, having a boom, an extension element and a piece of working equipment, wherein the extension element is attached to a pivotal connection axle of the boom via a first gimbal mounting and bears the piece of working equipment, wherein the piece of working equipment is attached to a pivotal connection axle of the extension element via a second gimbal mounting.

Abstract: An apparatus to press the collar of a shirt may include a base member with a first press surface, where the base is configured in the shape of a U and a lid member including a second press surface, where the lid member is configured generally in the shape of a U, where the lid member is hingedly attached to the base member, and wherein the second press surface is substantially complementary to the first press surface. In an open position, the first press surface is configured to receive a turndown style collar of shirt and in the closed position, the second press surface is configured to fit over and press the turndown style collar of the shirt.

Abstract: A license plate frame that allows for removable coupling of elements to the license plate frame. The license plate frame may include four borders that each include an outer frame lip and an inner frame lip extending outwardly from a rear surface of the license plate frame. The inner frame lip may include a plurality of equally sized notches adjacent one another. A removable element that includes a pin and a channel is removably coupled to the license plate frame by placing the pin within one of the plurality of notches and placing a portion of the outer frame lip within the channel of the removable element. The removable element may be moved by lifting the pin out of the notch and sliding the outer frame lip through the channel of the removable element before inserting the pin into a different notch.

Abstract: A thin, illuminatable graphic support assembly comprising an elongated base rail having an elongated first edge and an elongated second edge; an elongated cover rail having an elongated planar portion arranged along one edge thereof, and an elongated “J” shaped portion arranged along a second edge thereof, the elongated cover rail pivotable between an open orientation and a closed graphic or panel restraining position; an elongated receiving channel arranged in the elongated second edge of the base rail, with a biasing member arranged therein, and a fixture support first channel and a fixture support second channel on an outer lower side of the base rail, to enable the illuminable graphic support assembly to be selectively secured to a wall.

Abstract: A handguard system for use with a firearm including a tubular body assembly having a rearward end and a forward end, a top handguard portion and a bottom handguard portion. The bottom handguard portion includes a forward tubular portion, a gap extending from the rearward end to the forward tubular portion, a first groove formed in an inner surface thereof and spaced forwardly from the rearward end for receiving tines of a barrel nut therein, and a second groove parallel to the first groove. A clamp assembly is carried by the bottom handguard portion for engaging the barrel nut and securing the bottom handguard portion to the receiver. The top handguard portion is receivable in the gap and including a forward end, a rearward end, and engagement elements for securing the forward end of the top handguard to the bottom handguard portion.

Abstract: The present invention relates to a mechanism for bedding a receiver frame (3) and/or a barrel (1) in a stock (2) of a firearm, the mechanism having a bearing component (8) which can be attached to the stock (2) and which, on its upper surface, has a bearing surface (10,11) for bearing the receiver frame (3) and/or the barrel (1). To ensure permanent and reproducibly accurate positioning, the lower surface of the bearing component (8) comprises a guide profile (9) for seating the bearing component (8) free from play in the stock (2).

Abstract: A light and accessory mount having a mounting bracket for attaching to a weapon mount, the mounting bracket having a proximal side and a distal side, the proximal side of the mounting bracket having one or more mounting holes for connecting the mounting bracket to the weapon mount with mounting fasteners and one or more lugs to engage bosses on the weapon mount; the distal side of the mounting bracket having one or more attachment holes and one of more bosses for attaching a channel assembly to the mounting bracket; the channel assembly including a proximal end and a distal end, the proximal end having one or more attachment points for attaching the channel assembly to the mounting bracket with one or more attachment fasteners and one or more lugs to engage bosses on the distal end of the mounting bracket; and the distal end of the channel assembly having one or more rails for attaching devices.

Abstract: A firearm holding device for holding a firearm having a forend, a grip and a buttstock. The holding device comprises a base having a longitudinal axis, a forend support mounted on the base for supporting the forend of the firearm, a grip support mounted on the base for supporting the grip of the firearm, and a buttstock support mounted on the base for supporting the buttstock of the firearm. At least one of the forend support, grip support and buttstock support are moveable on the base along the longitudinal axis of the base to accommodate various sizes and types of firearms.

Abstract: Improved “moving red dot” sighting device, including a fixed light source (4) and a reflecting element (17), wherein the light source (4) produces a collimated light beam (5) which is projected onto the reflecting element (17) so as to obtain a red dot or reticle which is visible to the shooter thanks to the reflection on the reflecting element (17), and whereby the beam (5) is projected onto the reflecting element (17) by means of a rotating mirror (9) whose inclination angle (B) in relation to the light beam (5) can be adjusted.

Abstract: Systems and methods for securely mounting devices and/or accessories to vehicles and/or other supporting structures. The systems include a shaft having a longitudinal axis. A pair of clamp bodies cooperates with the shaft so that a distance is defined between the clamp bodies. A lever is engaged with the shaft and operable to alter the distance between the clamp bodies. A lock supported by the lever movably engages the shaft and maintains the orientation of the clamp bodies relative to one another by maintaining an orientation of the lever relative to the shaft so that the lever can only be operated when the lock is disengaged from the shaft.

Abstract: A removable trigger mechanism for a spring-biased hook assembly includes a generally U-shaped swivel attachment portion having first and second spaced apart resilient surfaces cooperating to frictionally engage a first biasing element of the hook assembly. A hook-setting finger is formed adjacent the first resilient surface of the swivel attachment portion, and is adapted for temporarily holding a second biasing element of the hook assembly when in a loaded condition. An actuation lever is formed adjacent the second resilient surface of the swivel attachment portion, and is adapted for pivoting the attachment portion relative to the first biasing element of the hook assembly. When pivoted, the actuation lever simultaneously moves the hook-setting finger away from the second biasing element of the hook assembly in the loaded condition, such that the hook assembly is released for sudden movement from the loaded condition to an outwardly-flared deployed condition.

Abstract: A bait station is mounted to a base. The bait station has the general shape of a box with a locking hinged lid. The box has side walls with openings so that rodents can enter into the box and gain access to poison bait or a mechanical trap. The base has a lower tray for receiving a weight. The bait station is releasably mounted to the base by a locking mechanism employing resilient finger which pass between a shroud on a side wall of the box to engage with portions of the wall forming an opening which is partly covered by the shroud so the fingers can be unlocked only by gaining access to the interior of the bait station box.

Abstract: The present invention relates to a greenhouse comprising outside walls provided with translucent surfaces (2) such that light may be received into the greenhouse (3) from at least two geographical directions, a roof structure (7) and a roof (6) provided with an insulating material portion. The invention is characterized in that the outside walls, in connection with the translucent surfaces (2), are provided with a light reflecting yard structure which resides below the translucent surfaces (2), above a ground surface (50), and extending away from the outside wall. The greenhouse (3) may further comprise vertically positioned light reflecting surface elements (40) and light reflecting shade elements (44) movable in a direction parallel with the transparent surfaces (2).

Abstract: Embodiments of a frame structure and grow media for use in vertical aquaponic gardens are described. The frame comprises a substantially rectangular tube structure with attachment points and connection means to hold a grow media in a vertical orientation. The grow media comprises a permeable or non-permeable backing layer having a defined elasticity to facilitate stretching, an activated carbon filter layer attached to the backing layer, one or more capillary biomats attached to the filter layer that physically support the growth of one or more varieties of plants and distribute water to the roots of the plants through capillary action through the area of the grow media, and an optional front panel layer attached to one of the capillary biomat layers, the front panel layer comprising a porous structure made of polypropylene or natural fibers and configured to support the plants growing in a direction substantially perpendicular to the plane the front panel surface.

Abstract: A system for modular gardening including a water module having a reservoir coupled to an aperture such that water in the reservoir flows out the water module via the aperture. The system also including a plant module having a housing having an aperture arranged to transfer water with another module and further having an open region on a top surface of the housing, a first conduit within the housing coupling the aperture and a regulator, a second conduit coupled to the regulator, the second conduit providing water to one or more water absorbent layers arranged atop the second conduit, and plant life at least partially embedded in at least one of the one or more water absorbent layers and receiving light through the open region.

Abstract: Drive assembly for a door, gate or barrier, having a rail or track, a trolley for connection to the door, gate or barrier, mountable to run along the rail or track, and a longitudinal drive having a chain or belt connectable in a closed loop arrangement around or within the rail or track. The trolley is provided with an engagement mechanism for selective engagement between the trolley and the longitudinal drive mechanism, whereby the engagement mechanism includes an engagement member arranged for selective movement in a direction substantially transverse to the longitudinal direction of the longitudinal drive and in a direction less than 45° from the plane of the loop of the longitudinal drive. The engagement member includes or cooperates with a cam part arranged for selective rotation about the engagement member, and a camming cooperation occurs between the cam part and the trolley body for converting rotation of the cam part about the engagement member into the required movement of the engagement member.

Abstract: A window drive mechanism is used to cover and uncover an opening formed in a first window panel. A second window panel is mounted for movement relative to the first window panel. The second window panel is moved by the window drive mechanism between an open position where the opening is uncovered and a closed position where the second window panel covers the opening. When the second window panel is in the closed position, the second window panel is flush with the first window panel. A guide member is mounted for movement with the second window panel and has a notch that defines a first path of movement where the second window panel is moved inwardly of the first window panel. When activated, the drive mechanism moves the second window panel inwardly to a non-flush position via the notch, and then moves the second window panel axially to uncover the opening.

Abstract: A door structure includes a handle whereon an engaging part, a sunken part, and a baffle part disposed nearby the sunken part are formed. The door structure further includes a cover connected to the handle. The cover includes a main body, a hook disposed on a side of the main body, a rib disposed on the side of the main body for installing inside the sunken part, and a protruding part disposed on the side of the main body for blocking the baffle part so as to fix the handle on the cover with the hook and the rib.

Abstract: A barrier has an expandable width barrier having opposing first and second ends. A locking arm is pivotably coupled to the expandable width barrier at the first end and slidably coupled to the expandable width barrier at the second end. The locking arm may be an adjustable-length construction. The pivoting of the locking arm causes the barrier to move between locked and unlocked states. When the locking arm is pivoted to lock the barrier, it causes the barrier to linearly expand a supplemental amount and fits the barrier to opposing sides of a passageway opening.

Abstract: Embodiments include an inflatable support structure enclosing a region fillable by a fluid at a positive pressure above an atmospheric pressure. A flexible screen is attached to the support structure, a region between the flexible screen and the support structure fillable by a fluid at a negative pressure below the atmospheric pressure that holds the flexible screen in a shape suitable for image projection. A method according to embodiments includes inflating an inflatable support structure with a fluid at a positive pressure above an atmospheric pressure and removing fluid from a region between the support structure and a flexible screen attached to the support structure to hold the flexible screen in a shape suitable for image projection with the fluid at the negative pressure below the atmospheric pressure between the flexible screen and the support structure.

Abstract: A gutter cover apparatus configured to fit the top of a conventional roof gutter is characterized by an elongated sheet member having a longitudinal front edge portion, a longitudinal rear edge portion, and a substantially planar intermediate portion therebetween. The intermediate portion, in turn, is characterized by at least one upstanding longitudinal ridge defining multiple drainage zones each containing a pattern of staggered rows of openings. The forward longitudinal edge portion of the sheet member is raised upwardly with respect to the drainage zones and together with the ridge retards the flow of water transversely with respect to the front edge of the gutter.

Abstract: An overhead arrangement, for use in a suspended ceiling system having a grid framework of frame elements lying in a ceiling plane and bounding a plurality of openings for supporting a corresponding plurality of ceiling members, includes an electrical apparatus, such as a DC power supply, a support for supporting the electrical apparatus on the framework at an elevation above one of the ceiling members supported in one of the openings, and a slanted control panel on the housing and having manually accessible controls and visually accessible displays. The slanted control panel is obliquely and downwardly inclined relative to the ceiling plane to enable manual access to the controls and visual access to the displays through the opening to the slanted control panel from below the framework after the ceiling member is at least partially removed from its opening without mechanical interference between the ceiling tile and the electrical apparatus.

Abstract: A universal skirt board has a base, a top flange section, an overhang section, and a sealing flange attached to the top flange section. The base has at least one ridge extending away from the base in a first direction, and a projection extending in the first direction. The top flange section is attached to the base. The overhang section is also attached to the base and defines a drip edge. The sealing flange is attached to the top flange section. The at least one ridge is formed to rest on a top of a base board. The projection is formed to fit into a slot defined in the top of the base board to provide an interference connection.

Abstract: A collapsible housing system having a floor panel, a first and a second side wall panel removably attached to the floor panel and extend upwardly, a front and a back wall panel removably attached to the floor panel and extend upwardly from the floor panel, a door in the front wall panel, a triangular first upper corner panel removably attached to a top edge of the front wall panel, and a second triangular upper corner panel removably attached to a top edge of the back wall panel, roof panels removably attached to the upper corner panels and extend over the side wall panels, and a window in the side wall panels, a door window in the door, and a window in the back wall panel, wherein the panels form an enclosure and the panels are attached via a hinge mechanism.

Abstract: A window well enclosure including a front wall, a first side wall and a second side wall that engage each other. At least one step is attachable to the window well enclosure using a channel formed in at least one of the front wall, the first side wall and the second side wall.

Abstract: A cover for an inflatable modular structure is claimed. A plurality of covers fit on the core of an inflatable module. An inflatable shell is attached to the core enclosing the covers and the core. In the pre-deployed configuration, the inflatable shell is folded over the covers and the covers provide a measure of protection for the shell. In the deployed state, the inflatable shell is filled with air and expands to its deployed configuration. The covers can be removed from core and attached to the inside of the shell. The covers then function as a platform to secure items in place.

Abstract: A connector to connect a pair of components of a building and transfer a load from one to the other. The connector comprising a pair of members, each to be connected to a respective one of the components, and an adjustable abutment acting between the members to inhibit relative movement between the members in one direction. The ratchet mechanism acting between the members to permit movement in the one direction and to inhibit relative movement in an opposite direction, whereby adjustment of the abutment to cause relative movements in the one direction is accommodated by the ratchet mechanism.

Abstract: A modular guy anchor includes an anchor head and an anchor shaft. The anchor head includes a tubular region for receiving the anchor shaft. The anchor shaft has one end that extends into or through the tubular region and is retained therein. The anchor shaft is preferably galvanized steel coated over at least a portion of its length with a corrosion-resistant material. The corrosion-resistant material is preferably applied over any portion of the anchor shaft that is exposed to soil during normal use. The modularity of the guy anchor facilitates stocking, shipping, and installation, while the corrosion resistance of the anchor shaft promotes longevity.

Abstract: A solar device for being configured on a platform is provided. The solar device includes a solar module, a splicing member, and a bracket. The solar module has a first connection hole. The splicing member has a body, a first latching pin, and a second latching pin. The first and second latching pins extend from the body and face against each other. The bracket is fixed to the platform and has a second connection hole. The first latching pin passes through and is locked to the first connection hole correspondingly, and the second latching pin passes through and is locked to the second connection hole correspondingly, such that the splicing member is connected between the solar module and the bracket.

Abstract: A water resistant apparatus includes a chassis, a door, a sealing member, and a water guiding member. The door is mounted to the chassis, and a gap is defined between the chassis and the door. The sealing member includes a mounting portion and a blocking portion. The water guiding member is secured to the chassis and defines a guiding slot communicating with the gap. The mounting portion is secured to the water guiding member. The blocking portion is located between the door and the water guiding member and abuts the door. A water path is defined by the gap and the guiding slot.

Abstract: The invention relates to a framing for panels sliding in a opening in particular for windows and French windows. The invention provides a framing in which the different constituent elements of the fixed frame are entirely positioned above or below the outer surface of the opening so that the fixed frame does not disclose any element protruding to the outside of the opening. The opening comprises at least two trough slots. The framing comprises a fixed frame comprising displacement means and an intermediate element fixed to the panel, the intermediate element comprising at least two main longitudinal wings passing through the at least two through slots and cooperating with the displacement means so as to permit the displacement of the panel along the fixed frame.

Abstract: The invention discloses devices and methods for making building blocks for construction that requires neither mortar nor additional internal or external finishing. A building block includes joining elements for attaching blocks from top to bottom as well as from side to side. Additionally, blocks have internal and external finishes that are complete. Thus, after construction of a structure, there is no additional need to paint, hang wallpaper or otherwise treat the outer and inner walls of the final structure.

Abstract: A construction structure includes a substrate made of a concrete material and has an external surface, and a reinforcement attachment made of a metallic material having an outwardly facing surface and an inwardly facing surface. The attachment is secured to the substrate with the inwardly facing surface bonded to the external surface of the substrate, and has first portions and second portions. At least one of the surfaces of a first portion of the attachment is pre-treated and attached to the substrate such that when the construction structure is under loading the first portion(s) block(s) or reduce(s) spreading of strain sustained by the attachment along the attachment to avoid or at least delay complete detachment of reinforcement from substrate.

Abstract: The pressure plate assembly is used for securing curtain wall panels. The pressure plate assembly includes an elongated base member and an elongated stiffening member. At least a portion of the interior main face of the stiffening member is removably engagable against a corresponding mating surface on the exterior main face of the base member. The stiffening member is made of a material having a mechanical stress resistance higher than that of the material of the base member. At least one longitudinally-extending thermal insulation chamber is provided within a space located between the interior main face of the base member and the interior main face of the stiffening member.

Abstract: A backer rod adapted for forming a fire-resistant seal within a construction joint. The backer rod may include an elongated tube defining a total assembly volume and a hollow interior, and a core disposed within the hollow interior. The tube is formed of a combustible foam plastic which disintegrates when exposed to fire. The core material is expandable when exposed to fire, such that the core has an intumescent expansion factor sufficient to expand to a volume beyond the total assembly volume. The backer rod may be press fit into a void between two surfaces to a depth. A sealant layer may be formed within the void. When exposed to fire on a side opposite the sealant layer, the external shell disintegrates, the core expands within the void in a direction away from the sealant layer, and a fire-resistant barrier is formed within the void between the surfaces.

Abstract: The space above a suspended ceiling grid that extends along a corridor is kept open and free of hang wires by creating a truss at each end of a beam in the grid. The truss includes the beam itself, an opposing wall along one side of the space, and a gusset stay that extends from the wall to the beam.

Abstract: A device for spacing, bracing and leveling tiles during installation on a ceiling substrate, comprises a, spacer and a bracer having a threaded substrate penetrating screw to releasably engage with the substrate for bracing and leveling tiles. The spacer and bracer are made of rigid material to support the weight of tile. The spacer carries at least one spacer ridge that when placed between tiles will create an equal distance between adjacent tiles. When the screw is inserted through a hole defined in the spacer and screwed until a first surface of the spacer frictionally contacts an exposed surface of the tile, the spacer will secure the tile and prevent a ceiling tile from falling until an adhesive dries.

Abstract: A process for installation of surface elements (1), the surface elements (1) comprising a core, a decorative upper surface (3) and edges (2) provided with joining means for mechanically locking the surface elements (1) together. Predetermined portions of the edges (2) are provided with a glue which is present on the edges (2) of the surface elements (1) in a passive dry form and which may be activated by applying a liquid. The surface elements (1) are joined to each other by use of the joining means wherein a unit of a plurality of surface elements (1) is formed.

Abstract: A tower barrel for wind electric power generation includes a barrel wall for supporting a wind turbine generator system, a torsion cable direction-changing device which is placed in the tower barrel and fixed on the barrel wall for holding the cable from the wind turbine generator system and restraining the torsion of the cable, and cable clamps which are placed under the torsion cable direction-changing device and connected to the barrel wall for securing the cable. The torsion cable direction-changing device includes a beam and two supports for the beam, the supports are fixed on the barrel wall. The torsion cable direction-changing device in the tower barrel improves the safety of the cable, and so improves the safety of the wind turbine generator system.

Abstract: An end cap is attached to a molding main body and is attached to a vehicle body by pressing a clip via the molding main body to the vehicle body. The end cap includes a cap portion which covers an end portion of the molding main body when the end cap is attached to the molding main body, an insertion portion whose proximal end portion is continuous with the cap portion and which is inserted into the molding main body, and a rib which is provided on the insertion portion such that the rib projects from an opening of the molding main body and which receives a reaction force from the vehicle body when a forward end portion of the rib butts against the vehicle body due to a pressing force which is applied to the clip via the molding main body so as to lock the clip.

Abstract: A method for installing a thrower's circle in the ground of an athletic field includes assembling a form for constructing a thrower's circle dimensioned for a player throwing at least one of a hammer, a shot put, and a discus from a plurality of sections having mounted thereto a plurality of arcuate portions. When the plurality of sections are assembled together, the plurality of arcuate sections together form a full circle, and wherein a portion of the plurality of sections is disposed outside the full circle and a portion of the plurality of sections is disposed inside the full circle. The method further includes excavating the ground, placing the assembled form in the excavated ground, placing cement in the assembled form, and allowing the cement to dry.

Abstract: Smokestacks are built by constructing a reinforced pad, a reinforced base on the pad, placing a preconstructed smokestack welded base element and the reinforced base. A smokestack constructing machine is positioned on the base with cross beams extending above the welded base. A preassembled top section is placed on the beams. In a lower work area, jacks connected to lower fixtures on the top section raise the top section. Transition sections are inserted laterally on the beams, and the top section is lowered, attached and welded to the transition sections. The jacks are disconnected, lowered and reconnected. The top section is attached and welded to the lower section, which is raised to laterally insert another section. The raising, inserting, lowering, attaching, welding and raising steps are repeated until the smokestack is complete. Ladders and wind screws attachments are attached in an upper work area.

Abstract: A method for constructing a structure to be lifted and moved from a first location to a second location includes (a) constructing, at the first location, a framework of the structure that includes braces to withstand lifting and moving the structure; (b) constructing, at the first location, at least some internal components of the structure; (c) providing a lift platform capable of supporting, balancing and lifting the structure below the lift platform by flexible lift members attachable to the lift platform and the framework; (d) attaching the flexible lift members to the lift platform and to a plurality of spaced portions of the framework; (e) lifting the lift platform to thereby lift the structure; and (f) while lifted, moving the lift platform and the structure to the second location, where the structure is lowered. A lift platform preferably made of subassemblies of beams and braces is used in the method.

Abstract: The disclosure relates to a connector assembly (20) for joining a main tower (102) to a base structure (114) where the axial alignment of the tower to the base structure needs to be adjustable, and to a method of using such a connector assembly to assemble a tower structure.

Abstract: Apparatus, systems, devices, methods and computer program products configured to provide one or more of the following: improved rotary table or platform packaging systems, improved adhesive (glue) based film seal systems, and/or easier loading or releasing mounting systems of horns, forming collars and/or sprockets.

Abstract: Packaging tools, which, in various embodiments, are adapted to assist a user in applying material from a roll of packaging material (e.g., packing tape, stretch wrap or shrink wrap) to an item or group of items. The packaging tool is typically adapted to move between: (1) a first orientation in which the packaging tool does not substantially restrict the rotation of the roll of packaging material adjacent the packaging tool; and (2) a second orientation in which the packaging tool does substantially restrict (e.g., prevent) the rotation of the roll of stretch wrap tool adjacent the packaging tool. A user typically maintains the packaging tool in the first orientation as the user wraps the packaging material about an item. The user may then move the packaging tool into the second orientation, which allows the user to pull the packaging material tight and separate the applied length of packaging material from the roll.

Abstract: The invention generally relates to unitized packages and a method of manufacturing the unitized packages for containing and dispensing a product material. In particular, the unitized packages comprise a printed base card and a fluid vessel permanently bonded to the printed base card. The fluid vessel comprises a first laminate barrier layer comprising at least one layer of a biaxially oriented thermoplastic polymer, a portion of which is formed into a modified dome shape, and a planar second laminate barrier layer. The first and second laminate barrier layers are sealed together to form a fluid-tight enclosure, wherein the product material substantially fills the enclosure and the modified dome shape is resiliently sustainable. In particular, the method includes forming a portion of the first laminate barrier layer comprising the biaxially oriented polymer into the modified dome shape using a force such as pressurized gas.

Abstract: An apparatus for forming and filling a flexible package, comprises: a film unwind station for unwinding a web of flexible film from a roll of film includes: a folding station for folding the web into a pair of opposing walls; a strip unwind station for unwinding a strip of semi-rigid material from a roll of material and positioning the strip between the pair of opposing walls of the web; a metal buffer plate insertable between the strip and one of the opposing walls of the web; sealing stations, separating stations and filling stations.

Abstract: A wrapper for wrapping bales of crop material includes a frame, a wrapping table, a wrapping device, and a loading device. The loading device includes a pivotable loading structure, and at least one actuator to move the loading structure between a pick-up position and a release position, wherein the loading structure comprises two loading arms between which the bale can be arranged. A pivotable grip arm is mounted on each loading arm. The pivotable grip arms are pivotable with respect to the loading arms between a closed position and an open position, and the at least one actuator is arranged to also move at least one of the grip arms between the open and the closed position.

Abstract: A ride-on mower can easily lift mower deck up and down so that it remains horizontal. The ride-on mower has driving motors, mower blades spinning for mowing grass, mowing motors for the mower blades, batteries for the driving motors and the mowing motors, a mower deck for covering the mower blades from the above and sides and for setting the mowing motors on, and a mower deck lifting device for lifting up and down the mower deck. The mower deck lifting device has a booster for assisting the mower deck lifting device in lifting the mower deck up and down, and the mower deck lifting device is set at the center on the mower deck.