Abstract: A shelter includes a body having a wall. A stairs and platform system is connected adjacent the wall of the shelter. The stairs and platform system includes a platform and a stair assembly. The platform includes: (i) first and second spaced-apart side rails and a platform floor located between the first and second side rails; and (ii) first and second platform handrail assemblies respectively located on opposite first and second lateral sides of the platform. The stair assembly is connected to the platform to provide access to the platform and is movable relative to the platform from a first operative position in which the stair assembly projects outwardly away from the platform to a second stowed position in which the stair assembly is retracted relative to the platform and at least part of the stair assembly is supported adjacent the platform.

Abstract: Devices and systems are disclosed which reduce compressional forces and allows for the induction of mild CCI injuries. An exemplary device features a resettable fall-away platform which allows for ultra-mild injuries to be induced on mice that are under light anesthesia. The result is injuries which do not produce long periods of unconsciousness, do not cause compressive injury and cause no increase in time-to-righting over control mice.

Abstract: A deployable platform is disposed at a side of the hull of a marine vessel and is movable between a raised position in which the platform is substantially vertically oriented, and a first lowered position in which the platform is in a horizontal orientation. Further, at least a portion of the platform can be lowered to a second lower position that is below the first lowered position. In the second lowered position the platform will normally be submerged when the vessel is afloat in water. In the raised position the platform forms a portion of the side of the hull and acts to exclude water from entering the vessel.

Abstract: A movable platform adjacent to a stationary platform and operable between a raised position forming a part of a deck surface and a lowered position at least partially submerged in the body of water. A landing section and walkway section included in the movable platform. A lever arm carried by the landing section and extending underneath the walkway section, wherein the lever arm engages a bottom side of the walkway section when the movable platform is in the raised position, and the lever arm disengages from the walkway section when the movable platform is in the lowered position. A floatation unit disposed on the bottom side of the landing section. An air pump unit carried by the stationary platform, wherein the air pump unit channels air into and out of the floatation unit to change the buoyancy of the floatation unit to raise and lower the movable platform.

Abstract: Craft including hull having stern with mobile platform having first work position where it is extracted from water, and second work position where it is immersed in water, device for platform movement having a pantograph, a structure with an articulated quadrilateral connected to the mobile platform, said movement and a unit for actuating movement of this structure, which unit allows moving the platform from the first to second work position and vice versa. The structure with articulated quadrilateral folded back onto hull when platform is in first position, and extended when platform is in second position. The movement device includes a body distinct from hull. The structure with articulated quadrilateral integral with, but mobile relative to body. The body secured on hull stern and having at least one fixed step, at least one second step inside the structure with articulated quadrilateral, which step moveable and foldable back with the structure.

Abstract: A deck apparatus for assembly with a pair of opposing brace frames interconnected by a pair opposing connector bases and a deck board top frame having a plurality of deck boards disposed thereon, the connector bases having opposing posts for being received in openings in a lower end of the opposing brace frames ends and the deck board top frame having posts for being received in an upper end of the opposing brace frames, and optionally attaching a stairs riser having a plurality of spaced-apart treads or a ramp riser for extending from a deck surface at a height to a vertically lower support surface.

Abstract: A storage tank defines a square hopper bottom converging to a bottom discharge located at one corner. The tank sits on a base frame defined by four vertical retractable legs with one leg at the discharge recessed inwardly from the corner. A discharge conveyor is mounted at the discharge for rotation about an upstanding axis at the discharge opening unimpeded by the recessed leg to move the conveyor from a retracted position along a side of the frame to an extended position at a selected angle outwardly from the frame. A horizontal platform and ladder is located at one side of the tank with the ladder being movable to a stored position parallel to the platform and both the ladder and the platform are movable to a stored position along the side of the tank.

Abstract: A combination ladder assembly and pool includes a pool having a side wall and a support member positionable along an inner surface of the side wall of the pool. The support member may include at least one aperture. Additionally, the combination ladder assembly and pool further includes a ladder positionable along an outer surface of the side wall of the pool. The ladder may be removably coupled to the support member. The ladder further includes at least one leg having a first end and a second end and a plurality of steps. The plurality of steps may be coupled to the leg of the ladder between the first end and the second end of the leg. The ladder may be moveable between a use position, permitting ingress into the pool, and a storage position. When the ladder is in the use position, the leg of the ladder is supported by the support member. When the ladder is in the storage position, the ladder extends from the aperture of the support member to cantilever from the support member.

Abstract: The invention comprises of a railing (1) which is foldable or and height adjustable or and extendable lengthwise and has rungs (5) or pivotable safety footsteps (14a) which, if necessary, can be kept in the vertical position (V) or horizontal position (Q) or and when tilting down the railing (1) remain in a stable position. The railing (1) has technical mean (4a,40,43a,45a,51) as well as an emergency mean (10,11) and can if necessary take up a tender (42) and other objects and the footsteps (14) can be transparent for example to improve visibility to the rear.

Abstract: An access ladder configurable from an extended position for providing access to a structure and a stowed position. The access ladder comprises an elongated first member having a first step extending laterally therefrom. An elongated second member is associated with the first member and configured for translational movement relative thereto and has a second step extending laterally therefrom. A link extends between the second member and the structure such that rotation of the first member moves the second member translationally relative to the first member, thereby moving said at least one second step towards said at least one first step.

Abstract: A ladder assembly for accessing an elevated platform of a work machine such as an agricultural combine includes an upper ladder portion connected to an upstanding handrail of the elevated platform for upward and downward movement, and a combination lower ladder portion and handle assembly carried on the lower end of the upper ladder portion and pivotable between a stowed position generally vertically coextensive with at least a portion of the upper ladder portion, and a deployed position extending downwardly. A latch mechanism holds the lower ladder portion in the stowed position. The handle is positioned for use to move the ladder down and up, is manipulable to release the latch, and pivots out of the way when the ladder is deployed. The lower ladder portion can also carry a trim panel which covers a portion of the ladder when stowed.

Abstract: An access ladder configurable from an extended position for providing access to a structure and a stowed position. The access ladder comprises an elongated first member having a first step extending laterally therefrom. An elongated second member is associated with the first member and configured for translational movement relative thereto and has a second step extending laterally therefrom. A link extends between the second member and the structure such that rotation of the first member moves the second member translationally relative to the first member, thereby moving said at least one second step towards said at least one first step.

Abstract: A work machine and work machine access ladder assembly are provided. The work machine includes a work machine body having an operator platform. A hinge mechanism is coupled to the work machine body and defines a hinge axis oriented diagonally with respect to a vertical line. The ladder may be rotated about the hinge axis between a use and a stowed position.

Abstract: A portable boarding ladder is attached to a rubberized portion of an inflatable boat without the use of piercing fasteners and does not require a hard point mounting structure. A base ladder section and a climbing ladder section are pivotally coupled together and supported in an operative, stand-off boarding position along a curved hull surface of a pontoon boat by a pair of hook support brackets and a pair of latch retainer brackets. The support brackets are bonded to the pontoon by adhesive deposits. A lateral cross bar tubing segment of the base ladder section is supported by hanging engagement on the hook brackets. A pair of side rail tubing segments of the climbing ladder section are retained and secured against lateral shifting displacement and rotation relative to the pontoon by snap-fit engagement against resilient arm portions of the latch retainer brackets.

Abstract: An access assembly leading to first and second storage tanks of a planting implement is provided. The access assembly includes a central ramp located between and fixed in relation to the first and second storage tanks, and an extended ramp having a forward end opposite a rearward end aligned in a fore-and-aft direction relative to the direction of travel of the implement. The forward end of the ramp is pivotally connected about a first horizontal axis at a rearward end of the central ramp. The access assembly further includes a ladder pivotally independently coupled about a second horizontal axis at the rearward end of the extended ramp. The ladder and the extended ramp pivot together about the first horizontal axis at the forward end of the extended ramp between a lowered, operative position and a raised, inoperative position above the central ramp.

Abstract: A stair system for a mobile storage tank includes a platform subsystem attached to a wall of the mobile storage tank, a staircase subsystem coupled to the platform subsystem, and a rail subsystem attached to the staircase subsystem. The platform subsystem includes a retractable platform extension, and the staircase and rail subsystem are configured to be extended for use and retracted for transit and non-use modes of operation.

Abstract: An access assembly to approach a first storage tank and an adjacent second storage tank of a planting implement is provided. The first and second storage tanks are mounted on a wheeled frame assembly for movement in a direction of travel. The access assembly includes a ramp having a first end opposite a second end aligned in a fore-and-aft direction relative to the direction of travel of the implement. The first end of the ramp is pivotally attached about a first horizontal axis relative to the wheeled frame assembly. The access assembly further includes a ladder pivotally coupled about a second horizontal axis at the second end of the ramp. The ladder and the ramp pivot together about the first horizontal axis at the first end of the ramp between a raised and a lowered position.

Abstract: An emergency ladder system for providing an exit from non-ground level floors of a building in the event of an emergency such as a fire includes an alarm system having fire detectors positioned in a building. The alarm system is operationally coupled to a ladder positioned in a compartment, typically underground. Upon detection of a fire in the building, a door covering the compartment is automatically opened, an audible alarm sounds, and the ladder is extended to reach an opening in an upper floor of the building to provide an escape route from the building.

Abstract: A ladder system consists of a base and extension and a system for connection of the base to the extension for vertical height extension or horizontal lenght extension or for nesting the extension steps in the base for storage.

Abstract: A vehicle-mounted system includes a platform that is attachable to a front and a rear of a vehicle. A main surface of the platform is located above the vehicle. One or more ramps are rotatably connected to the platform. Each of the ramps includes an extending portion located under a top surface of the ramp. A first hydraulic system is configured to incline the ramps relative to the main surface of the platform. A second hydraulic system is configured to extend the extending portions of the ramps.

Abstract: A retractable ladder assembly for marine applications having a frame and a ladder having a pair of channel members pivotally connected to the frame and extendible there from in a vertical position and in a horizontal position. A plurality of rung members extend between the channel members, and channel extension members are slidably supported in the channel members. A pair of strut connectors have one end pivotally connected to the frame and the other end pivotally connected to the lower ends of the channel extension members. A power actuator is supported by the frame to pivot the channel members between a vertical position and a horizontal position, the channel extension members extending from the upper ends of the channel members in the vertical position and are contained in the channel members in the horizontal position.

Abstract: An access device for providing access between a lower substrate surface and an upper substrate surface. The access device includes upper and lower articulated ladder members. A first end of the upper member is pivotally connected to or near the upper surface. A second end of the lower member is pivotally connected to the second end of the upper member, such that the lower ladder member is rotatable 180° relative to the upper member. In the storage position, the ladder members are folded in a substantially compact upright disposition, while, in the access position, the members are aligned and extend downwardly and outwardly.

Abstract: A safety apparatus for an elevated region of a ready-mix concrete truck. The safety apparatus includes at least one elongate, rigid railing element having opposite end portions and a concave portion disposed therebetween, the end portions being supported by structure on the truck for pivotal movement of the railing element between a deployed position located generally above and extending around the peripheral portion or region of the elevated region, and a stored position angularly related to the deployed position above or below the deployed position, and an element positionable in a predetermined position for holding the railing element in the deployed position. In the deployed position, the railing element allows a person to move between a ladder or other climbable element and the elevated region while providing protection against the person falling outwardly away therefrom. The apparatus can optionally include a second elongate, rigid railing element movable and positionable as above.

Abstract: A submergible activity platform for attachment to an associated structure on a body of water is disclosed. The activity platform for supporting persons engaged in water activities includes a platform area extending outwardly from and alongside the associated structure. A support structure is carried by the activity platform for mounting the activity platform to the associated structure so that the activity platform is located at a desired depth in the water when mounted to the associated structure. A walkway is included in for providing access between the associated structure and the activity platform when submerged. The activity platform includes a water activity section free of the walkway where water activities may take place. The activity platform also includes a plurality of water flow passages for allowing water to flow through the activity platform when submerged to reduce the force of water currents against the activity platform.

Abstract: A retractable ladder assembly for marine applications having a frame and a ladder having a pair of channel members pivotally connected to the frame and extendible there from in a vertical position and in a horizontal position. A plurality of rung members extend between the channel members, and channel extension members are slidably supported in the channel members. A pair of strut connectors have one end pivotally connected to the frame and the other end pivotally connected to the lower ends of the channel extension members. A power actuator is supported by the frame to pivot the channel members between a vertical position and a horizontal position, the channel extension members extending from the upper ends of the channel members in the vertical position and are contained in the channel members in the horizontal position.

Abstract: A free-floating step ladder which can hang on the rim of a trash dumpster has a stepless hook portion for hanging the ladder on the dumpster, a platform to stand on while loading the dumpster, and a stairway from the platform which extends adjustably toward the ground on which the dumpster rests without touching the ground.

Abstract: An access device for providing access between a lower level and an upper level the access device including a main body mounted for pivotal movement about a main body pivot mounting between an access position in which it enables access between the upper and lower levels and a stowed position in which a substantial part thereof is disposed above the main body pivot mounting; a drive mechanism operable to cause movement of the main body between the operative and stowed positions, the drive mechanism including a drive device and a link mechanism, the link mechanism including control link means mounted for pivotal movement about a control link pivot mounting, the control link being operatively connected to the drive device at a first connecting point, coupling link means operatively connecting the main body to the control link means, the coupling link means being connected to the main body at a second connecting point, the arrangement being such that actuation of the drive means causes the connection between the c

Abstract: A stair device for use in entering and exiting the water from a water vehicle, swim platform or dock. A first embodiment of the stair device is best suited for use on water vehicles and is comprised of an upper tubular section having two parallel tubes each having a straight vertical section, a curved section and a substantially straight horizontal section. A lower tubular section is rotatably mounted to the upper tubular section and is comprised of a single tube having a substantially straight upper portion, a curved portion, and a substantially straight lower portion. A plurality of steps is provided along the lower tubular portion. A second embodiment of the invention is best suited for use on horizontal structures, such as swim platforms and is comprised of an upper tubular portion having two parallel, horizontal tubes and a lower tubular section comprised of a single tube having a substantially straight upper portion, a curved portion, and a substantially straight lower portion.

Abstract: An access device (1) for providing access between a lower level and an upper level. The device (1) includes a platform member (2), a ladder member (3) and a rotating actuator (4). The platform (2) and the ladder (3) are movable between an access position (FIG. 1) wherein the ladder (3) is positioned downwardly and the platform (2) is horizontal, and, a storage position (FIG. 3), in which the ladder (3) is positioned upwards and the platform (2) is vertical. In a first step, the actuator (4) rotates the ladder through about a 90.degree. angle to an intermediate position (FIG. 2) at which time the ladder (3) engages with the platform (2). Then, in a second step, the ladder (3) and platform (2) cooperatively rotate between the intermediate position (FIG. 2) and the stored position (FIG. 3).

Abstract: A step ladder for mounting on the side of a tub to provide a secure way to reach over a tub to clean the opposing regions and walls of the tub. The step ladder includes a top step having front and back edges, left and right sides, and upper and lower surfaces. A lip member is downwardly extended from the lower surface of the top step. The lip member is positioned adjacent the front edge of the top step. A pair of spaced apart elongate legs are downwardly depended from the lower surface of the top step. Each of the legs is pivotally coupled to the lower surface of the top step so that the legs are pivotable between an deployed position and a collapsed position. When the legs are in the collapsed position, the longitudinal axes of the legs are generally parallel with the lower surface of the top step. A step rung is extended between the legs and spaced apart from the top step.

Abstract: An escaping device includes a main frame including a pair of vertical rods adapted to be fixedly mounted on an inner side of a wall, a pair of supporting rods horizontally mounted on the main frame and having a track, a supporting bracket mounted on the main frame, and a cable fixing rod fixedly arranged on the vertical rods, a suspending rail vertically mounted on the main frame and having a top provided with a pulley, a retractable ladder having two sides provided with two axles slidably fitted into the track of the supporting rods, the retractable ladder having a plurality of transverse rods each provided with a sleeve, a cable controlling means fastened on the supporting bracket, and a cable having an end secured to the cable fixing rod and another end extending through a bottom of the ladder, the pulley and the sleeves to connect with the cable controlling means.

Abstract: A combination pool ladder structure, fence and adjustable multi-level deck for an above-ground swimming pool having a wall which extends above the level of the ground including a frame for mounting proximate the external side of the wall, a first ladder pivotally mounted on the frame leading to a lower deck which is below the level of the top of the wall, railings on opposite sides of the lower deck, an upper deck adjustably mounted on the frame above the top of the wall, a second ladder pivotally mounted on the frame proximate the inner surface of the wall, the pivotal mountings of the first and second ladders permitting them to be swung to outwardly extending out-of-the-way positions.

Abstract: An adjustable safety bracket for use in roof construction provides a support for a safety barricade to be erected along the edge of the roof. The bracket assembly includes an attachment member which engages the free end of a roof support bracket, such as a roof joist, and a support member which is pivotally connected to the attachment member at an outer end thereof. The attachment member includes a channel portion which engages the free end of the roof support member and further includes a yoke in which the support member is pivotally supported. The support member includes a stop surface aligned with the channel portion such that when installed, the stop surface faces the free end of the roof support member and the free end limits the rotation of the support member within the attachment member.

Abstract: An inflatable boat boarding ladder, adaptable to any size inflatable boat, for assisting divers to exit the water and to board the boat. The ladder, supported at an outside angle to the vertical, is prohibited from rotating under the boat when the ladder is engaged by the users foot thus providing greater stability than the conventional rope style ladders. The instant invention provides a longer ladder than the conventional ladders making it easier to use. The ladder is supported by a flexible saddle made of a sandwhich of two layers of HYPALON encasing reinforcing transverse plattens pf ABS plastic.

Abstract: An emergency escape system for multistory buildings in which stair units are stored in recesses in the floor of each above grade level of the building. The stair units are released for gravity depolyment to the next below balcony in an emergency, and a cover panel is opened to enable egress by building occupants through the recess, down the deployed stairs to the next balcony and so on until ground level is reached.

Abstract: The escape of the present invention is installed in each storey of a building and comprises a storage space for the escape, a sliding platform, and an escape passageway. The storage space is formed in each storey of the building to have a configuration of a rectangular parallelepiped. The storage space has an opening in an external wall of a building. The platform is normally put away in the storage space and, in case of emergency, slides out from the opening of the storage space to form a landing of the escape passageway. The escape passageway is put up in the platform while one end of the passageway is pivotally attached to the platform to rotate the passageway downwards. When the escape is used, one end of the escape passageway rotates toward a lower platform to form an inclined passage between the upper and lower platforms.

Abstract: The side ladder has upper and lower footpaces (1, 3) connected with side elements (5) on which a flight of steps (7) is hinged. A first actuator (11) is provided for withdrawing the ladder from a housing (15) on the boat and a second actuator (13) is provided for rotating the ladder about a horizontal axis. A leverage (21, 23, 27, 29) keeps the steps (7) and the lower footpace (3) in their horizontal position during rotation of the ladder. A piston and cylinder system (53) is provided for operating a handrail (41) and a further rotation of the ladder about a vertical axis can be carried out by a hydraulic motor (31).

Abstract: A marine installation comprising a watercraft having a generally horizontal surface, and a ladder assembly comprising a ladder frame including spaced, parallel side bars, and spaced, parallel rungs extending between the side bars, and a mechanism for mounting the ladder frame on the horizontal surface such that the ladder frame is movable between a storage position wherein the ladder frame is located above the surface and an operating position wherein the ladder frame extends below the surface.

Abstract: A ladder device for a boat has a mount unit and a separate step unit that may be moved between a use position with a step thereof immersed in the water in which the boat floats and a storage position where the step is located out of the water. The step in the use position extends aft of the platform and permits a person to climb out of the water and onto the platform without the step making any appreciable movement relative to the boat during such climb. The mount unit has a pair of U-shaped members formed of a section of tubing with first and second ends and a transverse flange is fixed to each first end by which the members may be attached to the upper surface of the platform. The step unit has two parallel S-shaped tubular side sections, each including a long central portion from which upper and lower end portions extend integrally and substantially normally. A step is fixed at its ends to the lower end portions holding the side sections spaced apart from each other.

Abstract: Contractible and extensible ladder of the lazy-tong type for attachment to the underside of a swim/dive platform of a boat or to a deck of a boat. The ladder and the swim/dive platform or deck include coacting means so constructed for positioning the ladder in the contracted position under the swim/dive platform or deck for stowage thereof.

Abstract: A boarding ladder which may be mounted on a topsides surface of a boat to be swingable between a raised position where all parts of the ladder are above the waterline of the boat and a lowered position where at least one step of the ladder extends below the waterline is formed of a step unit and a mount unit. The step unit has a pair of spaced apart tubular siderails carrying flat tread steps so as to permit the angle of their flat treads to be varied relative to the siderails. A tubular cross member extends across the top ends of the siderails. The mount unit has a pair of spaced apart, tubular sections rotatably carried on the cross member of the ladder unit and which extend normally thereof. Mounting members into which such tubular sections fit permit the ladders to be mounted on the topsides surface of a boat while supporting the ladder in a proper operating posture.

Abstract: A swim platform is described in which two S-shaped members spanned by a step are pivotally attached beneath a platform which is attached to the transom of a boat. The step hangs outboard of an outboard edge of the platform in use, or may be folded to rest on the platform when not being used.

Abstract: A step device for mounting on the transom platform of a boat that may be moved between a use position wherein a step thereof is immersed in the water in which the boat floats and a storage position wherein the step is located above the platform out of the water formed of a step unit, a pair of bracket units and a pair of pin members. The step unit when in the use position permits a person to climb out of the water and onto the platform without the step making any appreciable movement relative to the platform during such climb because of its unique construction which includes a pair of support members each having an L-shaped portion that includes a leg section and a step section joined normally to the leg section via an arcuate section, a lateral portion that extends integrally and normally from the top end of the L-shaped portion, and an abutment portion that extends integrally from such lateral portion in the direction of the step section spaced apart from and parallel to the leg section.

Abstract: A universal folding ladder for inflatable boats and pleasure craft comprising a tubular structure intended for straddling the gunwale of a boat and including at least two L-like elements extending parallel to each other and being interconnected at the ends thereof by at least two adjustable U-like elements, said structure being connected at one side to the boat through a latch means for a catch element, and on the other side to swingingly connected rungs, between the L-like elements there being mounted a flat rest base member including one or more boards.

Abstract: A method and a device for pivoting an accommodation ladder from a stowing position on a ship's deck to an active position outside the ship's side by means of at least one davit (17) and a pulley (21) for the operating wire (22) of the ladder, said pulley being pivotably mounted at the davit. The pulley is pivoted between two positions admitting the center of gravity of one ladder to pass the vertical line through the pivot axle (14) of the ladder when the ladder by means of the operating wire (22) is pivoted from stowing and active position resp. The pivoting of the pulley (21) is achieved by means of a member (27), e.g. a wire transmitting a pull to the pulley caused by the weight of the ladder during the downward movement thereof.

Abstract: The instant disclosure is directed to an access ladder for the elevated operator's platform of a vehicle, the ladder being pivotable in two planes between operative and inoperative positions about two separate axes. Counterbalance means interconnecting the ladder and the platform assist pivotal movement in the first plane. A biased locking mechanism releasably holds the ladder in the operable position relative to the second plane.

Abstract: This device consists primarily of a molded plastic structure having flange mounting means for mounting the structure to the basement wall. The device includes a window portion on a vertical plane adjacent to a hinged top bubble which enables more light to be admitted into the basement and serves as a quick escape means from a basement in the event of fire or a severe storm, and the interior of the structure includes step means molded therein for the user to easily climb out through the pivotable bubble top thereof.

Abstract: A safety ladder for an above-the-ground swimming pool in which a pivotal ladder section is both detachable and capable of being swung up off the ground in order to prevent unauthorized access to the pool by small children, animals, and the like.

Abstract: A yieldable vehicle step is provided having a rigid foot support member pendantly supported from the side of a vehicle frame by a pair of relatively strong, but deflectable legs. Each leg is constructed from a chain and an outer deformable stiffener member circumposed about such chain. The outer member affords sufficient lateral rigidity or stiffness to the legs so as to minimize undue swinging movement of the step when in use, but which automatically returns to its suspended position whenever deflected by contact with an obstruction during movement of the vehicle.

Abstract: A safety ladder for an above-the-ground swimming pool, such ladder being dependent from a platform mounted on top of the pool wall. A stationary ladder section is clamped to the platform on the water side of the pool such as to be adjustable in length for reaching the bottom of the pool. A pivotal and removable ladder portion, attached by means of removable pins to an end of the platform, is disposed on the ground side of the pool wall.