2015 results about "Stairs" patented technology

Memory circuitry comprising strings of memory cells comprises a stack comprising vertically-alternating insulative tiers and conductive tiers. Channel-material strings of memory cells extend through the insulative tiers and the conductive tiers in a memory-array region. The insulative tiers and the conductive tiers extend from the memory-array region into a stair-step region. The stair-step region comprises a cavity comprising a flight of stairs in a first vertical cross-section along a first direction. Insulating material is in the cavity above the flight of stairs. The insulating material comprises first material atop treads of the stairs of the flight of stairs. Individual of the treads comprise conducting material of one of the conductive tiers. Insulative second material of different composition from that of the first material is directly above the first material. The first material has an uppermost surface in the cavity that is below an uppermost surface of the insulative second material in the cavity. Conductive vias extend through the first material and the insulative second material. Individual of the conductive vias are directly above and directly against the conducting material of the respective tread. Other embodiments, including method, are disclosed.

Attic stairs include box, closing hatch for the box and ladder. The ladder is suspended in box using at least one flat bar attached to support beam seated in an upper section of the ladder. The support beam is a profile and each end of the profile has end cap with locking pin locking it in support beam.

Disclosed is a stair tread template ruler, including a main ruler body, and two side ruler bodies. Either of the side ruler bodies is provided with a sliding member that can slide in a reciprocating manner, and the main ruler body is hingedly connected to the sliding members. The two side ruler bodies are arranged at both ends of the main ruler body, and the main ruler body and the two side ruler bodies cooperate to contour a space such as a staircase. The two side ruler bodies are connected to the main ruler body, the sliding members can slide to meet various use requirements, and the main ruler body is rotatably connected to the sliding members, which facilitates adjustment of a relative angle, meets user needs, and simplifies folding and storage. The main ruler body has a multi-segment structure, and each segment is slidably connected to another.

A stowable, rigid stair structure includes a pair of support rails configured to be fixed beneath a support surface and spaced apart from each other, a rigid stair unit including at least one step and side walls connected at lateral sides of the at least one step, and supporting projections extending continuously from the side walls of the rigid stair unit away from the at least one step and operatively, movably connected to the support rails to permit the rigid stair unit to be moved relative to the support rails between stowed and operative positions of the rigid stair unit. When the support rails are fixed to the at least one support surface, the rigid stair unit is fully supported in both the stowed and use positions thereof by the supporting projections operatively connected to the support rails and by the at least one support surface.

The invention belongs to the technical field of constructional engineering, and particularly relates to a full-tenon-and-mortise modified gypsum fabricated building component designing and assembling method.The full-tenon-and-mortise modified gypsum fabricated building component comprises beams, columns, wallboards, floors, stairs and door and window frames, the beams and the columns are connected in a tenon-and-mortise mode, and the columns are vertically connected in a tenon-and-mortise mode; a modular steel skeleton node box is connected to the cross intersection node of the column and the beam, the wall plate and the beam are in mortise and tenon connection, the wall plate and the column are in mortise and tenon connection, the wall plate and the floor plate are in plug-in type straight tenon connection, and the wall plate and the door and window frame are in stepped multi-channel sealing mortise and tenon connection; according to the full-tenon-and-mortise modified gypsum fabricated building component, a tenon-and-mortise connection mode is adopted, beams and columns, columns and columns, wallboards and beams, wallboards and columns and the like are tightly engaged through tenon-and-mortise structures, a connection system similar to a traditional wood structure is formed, loads can be effectively transmitted, and the integrity and stability of a building structure are improved.

A molding is made from a first flooring plank. A first groove is formed into the first flooring plank with a first flat bottom surface. A second groove is formed into the first flooring plank with a second flat bottom surface. The first flooring plank is folded at the first groove and second groove. A second flooring plank is disposed adjacent to the molding. A color and pattern of the first flooring plank and second flooring plank match.

The utility model provides a crawling ladder aerial work platform, and relates to the technical field of aerial work equipment. The crawling ladder aerial work platform comprises a walking chassis, a lifting support and a work platform, the work platform is installed on the lifting support, a supporting frame is hinged to the walking chassis, a pitching driving mechanism is hinged to the walking chassis and used for adjusting the pitching angle of the supporting frame, and the lifting support is installed on the supporting frame. A first telescopic supporting leg mechanism and a second telescopic supporting leg mechanism are installed at the two opposite ends of the supporting frame correspondingly, and the first telescopic supporting leg mechanism and the second telescopic supporting leg mechanism can be supported on a working face through stretching and retracting. Based on the technical scheme, the crawling ladder aerial work platform can work on inclined working faces such as stairs.

A rapid deployment and reuseable, multi-level structural system called Metrideck that uses traditional types of walls structures and handrail. Metrideck system includes (a) a set of vertical columns each with a set of attachment features; (b) a set of pre-manufactured beams each said beam with a set of attachment features; (c) a Quicset® for connecting beam and columns; (d) a deck panel with hardware to attach it to the beams and with slots to attach a hanger bracket to connect to the wall structure; (e) a series of curbing that encircles the deck panel perimeter with a set of attachment features; (f) a stair system; and (g) a set of handrail / guardrails wherein the decking system maintains a modular relationship to the mating wall structures, provides multiple platform configurations, uses fewer components, and provides a higher strength to weight ratio compared to other rapid deployment structural systems.

A powered balancing mobility device that can provide the user the ability to safely navigate expected environments of daily living including the ability to maneuver in confined spaces and to climb curbs, stairs, and other obstacles, and to travel safely and comfortably in vehicles. The mobility device can provide elevated, balanced travel.

A patient transport apparatus for transporting a patient. A seat section is pivotably coupled to a support structure about a seat axis. A front wheel is operatively attached to a front strut of the support structure, and a carrier is arranged for movement relative to the support. The carrier includes a shaft defining a wheel axis, a rear wheel supported for rotation about the wheel axis, a track having a belt, and a hub supporting the shaft and the track for concurrent pivoting movement about a hub axis defined by a upright of the support structure. The hub axis extends through a plane intersecting the seat axis, fixed relative to the upright, and defining opposing first and second sides. Movement of the carrier from a chair configuration to a stair configuration simultaneously deploys the track and moves the wheel axis from the first side to the second side.

The utility model relates to the technical field of stair manufacturing, in particular to a mould for a concrete prefabricated stair. Comprising a first template body, a second template body is arranged on one side of the first template body, lock catches are symmetrically and fixedly connected to the two sides of the second template body, the second template body and the first template body are clamped and fixed through the lock catches, two partition plates are arranged in the first template body, and the two sides of each partition plate make contact with the inner wall of the first template body and the inner wall of the second template body respectively. Inserting rods are fixedly connected to the positions, close to the upper ends, of the two sides of the partition plate, and a plurality of inserting grooves are formed in the tops of the first template and the second template in a linear array mode. After the distance between the two partition plates is adjusted, the two partition plates are installed between the first formwork and the second formwork, a small pouring cavity is formed among the two partition plates, the inner wall of the first formwork and the inner wall of the second formwork, concrete is poured into the small pouring cavity, a stair with the specified length and width can be manufactured, and use is convenient.

A foldable and angularly adjustable ladder includes two side supports (1) and multiple stair treads (2). Two ends of each of the stair treads (2) are rotatably connected with the side supports (1), respectively. Each of the side supports (1) includes an upper pole (101) and a lower pole (102) parallel to the upper pole (101). Two foot covers (3) are disposed at a lower end of the side supports (1), respectively. Two upper poles (101) and two lower poles (102) are connected with two end surfaces of the each of the stair treads (2) through four connectors (4), respectively. Each of the connectors (4) is sleeved with a metal ring piece (5), one end of the metal ring piece (5) passes through one of the end surfaces of the each of the stair treads (2) and is located at an inner side of the each of the stair treads.

A flooring panel comprising a first end, a second end opposite the first end, and an axis extending between the first end and the second end. A tread portion extends between the first and second ends, the tread portion configured to be coupled to a tread of a stair. A curved cap is integrally formed with the tread portion and extends between the first end and the second end, the curved cap configured to be coupled to an edge of the stair. A plurality of grooves is formed in an inner surface of the curved cap, the plurality of grooves extending parallel to the axis of the tread portion, the plurality of grooves extending along a majority of inner surface of the curved cap. A cover member is adhesively coupled to the inner surface and covering the plurality of grooves.

The utility model belongs to the field of constructional engineering, and provides a stair sliding support structure with raised lines, which comprises a stair beam and a stair inclined stair section, protruding strips are arranged on the upper surfaces of the stair beams, sliding medium layers are arranged on the upper surfaces of the stair beams and the upper surfaces of the protruding strips, grooves are formed in the bottom faces of the stair inclined stair sections, the protruding strips are embedded into the grooves, the inner top faces of the grooves abut against the sliding medium layers on the upper surfaces of the protruding strips, and the bottom faces of the stair inclined stair sections abut against the sliding medium layers on the upper surfaces of the stair beams. And a sliding cavity is formed between the raised line and the inner side wall of the groove. According to the stair sliding support structure, under the condition that the use space of the lower portion of the stair flight is not affected, the sliding function of the stair is achieved, and meanwhile the situation that the stair flight falls off horizontally under the special working condition can be prevented. The method has obvious advantages in construction operability and construction quality, and has the advantages of being safe in structure, convenient to construct, reliable to use and the like.

The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.

The invention relates to a robot variable foot end and a building interior self-adaptive stair climbing robot, and belongs to the technical field of robots. A main rotating joint comprises a main rotating connecting arm and a first rotating power element, one end of the main rotating connecting arm is hinged to a robot body, and a claw is arranged at the other end of the main rotating connecting arm; the foot end folding joint comprises a folding connecting arm and a second rotating power element, one end of the folding connecting arm is hinged to the side, close to the hook claw, of the main rotating connecting arm, and the suction cup is arranged at the other end of the folding connecting arm. The first rotating power element drives the main rotating connecting arm to rotate downwards, so that the hook claw can tightly grasp the damaged step surface to avoid unstable contact, when the friction coefficient of the step surface of the stair step is smaller than 0.5, the second rotating power element drives the folding connecting arm to rotate downwards, and the suction cup can be connected with the step surface in an adsorption mode to avoid slipping. The foot end can adapt to stair steps in different states.

The utility model discloses a walking rehabilitation training device for a stroke patient, and relates to the technical field of rehabilitation training. Comprising a base, a storage cavity is formed in the base, a plurality of lead screws are rotationally arranged in the storage cavity, the lead screws are movably sleeved with lifting frames, supporting plates are hinged to the tops of the lifting frames, and replacement plates are detachably connected to the tops of the supporting plates. According to the liftable replacement plate, the multiple supporting plates can form a stair state, a patient can simulate walking stair-climbing training, the training difficulty is increased, the angle of the angle-adjustable replacement plate can be adjusted, the multiple replacement plates can simulate a slope surface so that the patient can conduct walking training, the training difficulty is greatly increased, uphill training can be conducted, and downhill training can also be conducted; by selecting the replacement plates of different table tops, walking on different road surfaces can be simulated, the training difficulty is further increased, the structure is simple and compact, economic benefits are met, and the application prospect is wide.

The invention discloses a lifting platform equipment stair special for transformer assembly, and relates to the technical field of stairs, the lifting platform equipment stair special for transformer assembly comprises a lifting platform and a base frame, and the bottom of the lifting platform is fixedly connected with a first fixing block and a second fixing block; one side face of the first fixing block is rotationally connected with a stair frame plate through a shaft rod, one side face of the second fixing block is rotationally connected with a supporting rod through a shaft rod, and one side face of the stair frame plate is rotationally connected with stair pedals through a shaft rod. The special lifting platform equipment staircase for transformer assembly has the effects that when the inclination angle of the staircase is adjusted, the staircase treads are kept in a horizontal state all the time, and a climber can conveniently use the staircase, a parallelogram structure is formed through cooperation of the staircase frame plates, the supporting rods and the staircase treads, and the inclination angle of the staircase clamping plates is changed; the stair treads are kept horizontal all the time, a climber can conveniently tread and climb, and the purpose of improving practicability is achieved.

A stairway work platform for a user includes a plank, a first leg assembly attached in proximity to a first end of the plank. The work platform includes an end pad directly attached to the first end of the plank which prevents damage to a vertical rise area of the stairway. The work platform includes a first bottom pad directly attached to a front of a first leg of the first leg assembly which prevents damage to a horizontal run area of the stairway while supporting a weight of the user. The work platform includes a second bottom pad directly attached to a front of a second leg of the first leg assembly which prevents damage to the horizontal run area of the stairway while supporting the weight of the user. The work platform includes a hinge bracket attached to the plank in proximity to the first end of the plank and to the first leg of the first leg assembly. In a stairway mode, the first leg assembly is in the closed position and is adapted to be disposed on a stair of the stairway and a second leg assembly is extended to a position which makes the plank level with respect to ground. A method for using a work platform. An end pad. A side-bottom pad.

Microelectronic devices include a stack structure having a vertically alternating sequence of insulative structures and conductive structures arranged in tiers. A series of stadiums, within the stack structure, includes stadiums of differing numbers of staircase sets, such as a stadium having multiple parallel sets of staircases and an additional stadium having a single set of staircases. Each of the staircases includes steps, at ends of the conductive structures, with a same multi-tier riser height. In methods of fabrication, a same initial stadium opening may be concurrently formed for each of the stadiums—regardless of whether the stadium is to include the single set or the multiple parallel sets of staircases—with the steps of the same multi-tier riser height. Electronic systems are also disclosed.

A device includes a platform and a staircase moveable between a retracted state and an extended state. The staircase has steps including a retractable step and a support segment. A linkage system includes an actuator that moves the staircase from the retracted and extended state, a sensor detecting the staircase state and a vehicle condition, and an extension bracket coupling the staircase and platform. A controller determines the staircase state, determines an articulation angle, compares the articulation angle to an articulation angle threshold, in response to the articulation angle exceeding the threshold, causes the staircase to move to the retracted state, detects a vehicle operation event, in response to detecting the operation event, causes the staircase to move to the retracted state, detects a vehicle shut-down event, and in response to detecting the shut-down event causes the staircase to move to the extended state.

The multi-stage shock isolation and absorption device comprises a base, and the bottom of the base is connected with a rest platform picking-out plate; the connecting seat is arranged on the upper portion of the base, and the lower surface of the connecting seat is connected with the upper surface of the base through a friction pendulum energy dissipation mechanism; the elastic connecting piece is arranged between the base and the connecting seat; a shearing groove is formed in the upper portion of the connecting base, a box type shearing structure is arranged in the shearing groove, the upper portion of the box type shearing structure is open, and a vertical vibration isolation unit is arranged in a box body of the box type shearing structure; the left side and the right side of a box body of the box-type shearing structure extend to be provided with wing-shaped pressure-bearing steel plates, and the upper surface and the lower surface of a shearing energy dissipation plate are fixedly connected with the inner wall of a shearing groove of the connecting base through viscoelastic energy dissipation material layers correspondingly. Two energy dissipation modes of viscoelasticity and a friction pendulum energy dissipation mechanism are combined, and energy can be effectively dissipated under different earthquake intensities according to damage characteristics of stairs during earthquake.

The wall climbing type automatic stair sweeping robot comprises a wall climbing device and a sweeping device, a first transverse supporting air cylinder and a second transverse supporting air cylinder of the wall climbing device are fixed to the lower portion of a vertical supporting air cylinder in a cross shape, a vertical moving suction cup is arranged at the outer end of a piston rod of the vertical supporting air cylinder, and a first transverse moving suction cup is arranged at the outer end of a piston rod of the first transverse supporting air cylinder; a transverse sucker B is arranged at the outer end of a piston rod of the transverse support cylinder B; a supporting plate is arranged between the first transverse supporting air cylinder and the second transverse supporting air cylinder, and a butt joint mechanism is arranged on the supporting plate. A main body of the cleaning device is a moving trolley, a cleaning mechanism is arranged in the moving trolley, and the end of the moving trolley is matched with the butt joint mechanism. The robot does not make contact with the stairs in the layer-by-layer stair climbing process, the problems that collision and abrasion are serious in the stair climbing process and the stability is poor in the climbing process are solved, the wall climbing device with the sweeping device for climbing is adsorbed and fixed to the wall face, the sweeping space of the stairs is not occupied, the sweeping device can thoroughly sweep the step surfaces of the stairs, and the cleaning efficiency is improved. And the stair cleaning quality is improved.

An aircraft stair system is provided with flexible bumpers configured to prevent abrupt impact of the first structure against the second. Each of the bumpers has a flexible body, a base portion, and a lever arm extending out over the base to create a gap and an open end.

The utility model discloses a quick installation device for prefabricated stair protection, and belongs to the technical field of assembly type building structure auxiliary installation equipment. The prefabricated stairway comprises a prefabricated stairway, a hoisting embedded part and a plurality of bolt sleeves are arranged on the prefabricated stair; one end of the bolt sleeve extends outwards from the side part of the prefabricated stair; a positioning plate is detachably mounted at the bolt sleeve; a vertical rod is arranged on the positioning plate; a lifting lug is arranged at the upper top of the vertical rod, and a connecting rod is detachably mounted on the vertical rod; every two adjacent vertical rods on the same side of the prefabricated stair are connected through a connecting rod. The problems that a prefabricated stair structure is damaged to a certain extent when a temporary stair is used for protection conventionally, and construction temporary protection cannot be carried out in time are effectively solved.

The utility model relates to a prefabricated stair temporary protection mechanism, which belongs to the technical field of prefabricated stair protection and comprises a prefabricated stair body, a protection mechanism arranged on the prefabricated stair body and a protection component arranged on the prefabricated stair body. The protection mechanism comprises two supporting plates slidably connected with the prefabricated stair body, supporting columns fixedly connected to the two supporting plates, two connecting bases fixedly connected to the two supporting columns, and sleeves hinged to the interiors of the two connecting bases on the right side. According to the prefabricated stair temporary protection mechanism, by arranging the protection mechanism, the protection device has the limiting and fixing functions, the protection device is fixed to the prefabricated stair body in a limiting mode, and therefore the protection device can be conveniently and rapidly mounted and dismounted, the working efficiency during mounting and dismounting of the protection device is improved, and meanwhile the universality of the protection device is improved; the protection device is suitable for prefabricated stair bodies of different sizes, and the practicability of the protection device is improved.

Insulation hatch for attic stairs constructed out of rigid layer (12), protective layer (11) and insulation layer (13) wherein insulation layer (13) is located between rigid layer (12) and protective layer (11) and insulation hatch layers are connected to each other and in protective layer (11) and in insulation layer (13) there is at least one spacer (4) for taking on the load exerted on the insulation hatch, in particular during transport, and the subject-matter of the invention also comprises attic stairs with the said insulation hatch.

The utility model discloses a special staircase for a building construction safety protection platform, which relates to the technical field of building construction protection and comprises a protection platform and a plurality of staircase devices, and each staircase device comprises a mounting plate, a staircase frame, a protection handrail, a horizontal handrail, an inclined handrail, an inner handrail, a top handrail and a handrail connecting corner brace. According to the staircase device, the staircase device is designed in a detachable mode, installation and detachment of the staircase special for the safety protection platform are facilitated, the protection platform and the staircase device can be continuously erected upwards along with height increase of a building structure, construction personnel can conveniently conduct construction, and meanwhile the staircase device can be installed on the inner side or the outer side of the protection platform according to installation requirements. The vertical stress condition and the outward inclination condition of the platform can be monitored in real time by arranging the tension sensor and the angle sensor in the wall connecting piece, the dangerous conditions such as angle inclination of the platform can be detected in time, and potential safety hazards caused by building construction are reduced.