60results about "Sliding roofs" patented technology

A slidable cover assembly for merchandise carrying vehicle platforms is described. The cover assembly comprises a pair of opposed end support frames and a plurality of intermediate frames, each having a top carriage for displacement on a central horizontal top center beam member secured to the platform. Each end support frame and intermediate frames have a top tapered roof truss structure and opposed depending side members. The side members have a side rail engaging carriage at a lower end thereof for displaceable support engagement with a side rail secured to opposed sides of the platform. A tarp is secured to the end support frames and intermediate frames and displaceable therewith from a collapsed condition to an extended condition. Tarp displacement mechanisms are provided to displace the tarp side walls outwardly of the intermediate frames when the frames are displaced closer to one another from the extended condition to the collapsed condition. The end support frames have a vertical connecting wing flange disposed vertically along at least a portion of the opposed depending side members and adapted to be detachably secured to a locking mechanism secured to stationary opposed bulk head frames of the platform.

An exposure apparatus includes a projection optical system for projecting an image of a pattern of a reticle onto an object, via a fluid that is filled in a space between said projection optical system and the object, a vibrator part for vibrating at least one of the fluid, the object, and the projection optical system, and a controller for controlling the vibrator part so that the vibration of at least one of the fluid, the object, and the projection optical system becomes a tolerance during a processing of the object.

The invention discloses a sliding top cover of a railway maneuvering equipment vehicle. The sliding top cover of the railway maneuvering equipment vehicle comprises a fixed cover body and a movable cover body. A lifting mechanism and a sliding mechanism are arranged below the movable cover body and are used for driving the movable cover body to move up and down and move front and back relative tothe fixed cover body. The lifting mechanism comprises a supporting frame. A plurality of lifting machines and a first driving mechanism used for driving the lifting machines to rise and fall are arranged on the lower side of the supporting frame. The sliding mechanism comprises a plurality of gears and a plurality of racks arranged in parallel on the bottom end face of the movable cover body and asecond drive mechanism used for driving the gears to rotate. The racks are arranged in the front-back movement direction of the movable cover body, and the gears are meshed with the corresponding racks. By the adoption of the sliding top cover of the railway maneuvering equipment vehicle, the opening process of the movable cover body can be mainly divided into the two processes of jacking and sliding opening, the mechanical structures of the two processes are independent and do not interfere with each other, and then the complexity of the mechanical structures and transmission mechanisms is lowered.

A shield assembly is described for the cargo space of a transport vehicle wherein access to the cargo space is provided by a displaceable wall section mounted on a lower rail secured spaced from a lower side frame of the cargo space. The assembly comprises an elongated rectangular flexible seal guard having an elongated securable side edge section. The flexible seal guard has a width which is greater than a space defined between the rail and the lower side frame. The rail has a directional retention slot for immovably securing the securable side edge section of the flexible seal guard thereto whereby the flexible seal guard is supported for frictional engagement at an opposed free side edge against the lower side frame to substantially seal the space whereby to prevent foreign matter from entering into the cargo space.

A railcar having a longitudinal axis and a movable cover. The movable cover includes a plurality of linear bearing devices and at least one slideable hatch connected to the plurality of linear bearing devices. The slideable hatch is movable substantially normal to the longitudinal axis.

The invention relates to a shelter (A) for, for example, a pool- or spa-type recreational basin (B) that is formed of roofing elements (I) and is capable of passing from a deployed position, where the roofing elements are placed in a juxtaposed manner and the basin is covered, to a stacked position, where the roofing elements are placed one over the other and the basin is partially or completely uncovered, said roofing elements (I) including two transverse sections (110 and 120) cross-tied with longitudinal cross-pieces (130), with the so-called extreme cross-pieces (140 and 150) placed on the ends of said sections (110 and 120) that eventually rest on the rim of the basin (B) through a rolling means (300) that is formed of wheels (310) and remarkable in that the wheels (310) are mounted on wheel holders (320) that are foldably mounted relative to the extreme cross-pieces (140 and 150); so as to enable the folding away thereof during the stacking of the roofing elements (I).

A cover assembly for an open top railcar, the assembly having semi-rigid cover reversibly movable between a closed position atop the railcar and an open position alongside the railcar or separate from it. The cover may be connected to the railcar with hinge-latches or linkage arms which permit the cover to be held flat alongside the railcar in an open position, or removed from the railcar during loading and unloading. A load grooming device shapes the load of a loaded railcar to a selected contour. Opening and closing of covers may be continuous and automated, using curved tracks, cranes or mechanical arms to engage and open covers, and conveying devices or vehicles to handle covers during loading and unloading of railcars.

The invention relates to an inlet closure system for covering an inlet formed in an upper region of a container body The container body may a storage region of a hopper, a hopper vehicle such as a hopper railway wagon or other storage devices. The inlet closure system comprises at least one closure member arranged substantially above the inlet and moveable between a first closed configuration in which the inlet is substantially closed and a second fully open configuration in which the inlet is substantially open, and at least one actuator mounted on an end wall of the container body for moving the closure member. The actuator remains below an upper edge of the end wall when the closure member is in the second fully open configuration. The actuator is arranged in use to act upon the at least one closure member via a linkage, which linkage is arranged for pivotal motion relative to the end wall about a point substantially midway between the side walls. The linkage may comprise a first link and a second link. The second link may have a first and a second limb which meet at a non-straight angle. Preferably, the first limb and / or the second link lie below the upper edge of the end wall when the closure member is in the second fully open configuration. The second limb may lie substantially beyond an inward facing surface of the closure member when the closure member is in the second fully open configuration. If two actuators are arranged to act upon respective closure members, the first links of the linkages are arranged to pivot about a common pivot point. The common pivot point is preferably located on the end wall at a point substantially midway between the sidewalls.

A railcar having a longitudinal axis and a movable cover. The movable cover includes a plurality of linear bearing devices and at least one slideable hatch connected to the plurality of linear bearing devices. The slideable hatch is movable substantially normal to the longitudinal axis.

The invention provides a top cover device and a rail vehicle having the same, the top cover device comprises two cross telescopic frames, wherein the two cross telescopic frames are arranged at intervals. The cross telescopic frames comprise a plurality of connecting rods, each two connecting rods is a group of connecting units, the middle parts of the two connecting rods of each group of connecting units are hinged, and the ends of the connecting rods of the adjacent two groups of connecting units are hinged corresponding to each other. A plurality of shields disposed between the two cross telescopic frames, the two ends of each shield being connected with connecting rods of the two cross telescopic frames, and the plurality of shields being used for shielding the top of the cargo compartment when the cross telescopic frames are in an unfolded state; the driving device is drivingly connected with the cross telescopic rack, and is used for driving the cross telescopic rack to be in anexpanded state or a contracted state, and when the cross telescopic rack is in a contracted state, the driving device can drive the cross telescopic rack to be turned over. The technical proposal provided by the present application can solve the problem that the tarpaulins in the prior art cannot protect the goods.