Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

2617 results about "Stairs" patented technology

A stairway, staircase, stairwell, flight of stairs, or simply stairs, is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles.

Mobility device

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.
Owner:DEKA PRODUCTS LP

Boat trailer ladder with auto-close mechanism and side extension

A ladder assembly for mounting to a boat trailer comprising a stationary ladder section with a plurality of steps and a stair extension portion comprising one or more steps. The stair extension portion is rotatably coupled to the stationary ladder section and a mechanism for actuation of automatic rotation of the stair extension portion for deploying and / or stowing the stair extension with respect to the stationary ladder section is provided at an upper end of the ladder assembly so that the ladder extension can be stowed when a user is at or near the top of the ladder. A boat trailer mounting assembly couples the ladder assembly to the boat trailer and a stair extension rotation control mechanism controls at least one of a speed and actuation of deploying or stowing of the stair extension portion.
Owner:QUALITY MARK

Escalator safety detection method based on double-cascade YOLOv8 architecture

The invention discloses an escalator safety detection method based on a double-cascade YOLOv8 architecture, which specifically comprises the following steps: adopting a staged task decoupling strategy: in the first stage, realizing positioning of an escalator running area (ROI) through a lightweight improved YOLOv8-Escalator-DET network, and effectively inhibiting interference of adjacent non-elevator areas (such as fixed stairs and floor transition zones); in the second stage, the ROI is input into a high-precision YOLOv8-POSE-DET network, and fine-grained analysis of the passenger posture is completed through multi-scale feature fusion and a shielding perception mechanism. According to the method, good balance between real-time performance and detection precision can be effectively realized, and the method is suitable for a real-time monitoring system with limited resources.
Owner:SOUTHWEST JIAOTONG UNIV

Memory circuitry and method used in forming memory circuitry

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.
Owner:MICRON TECHNOLOGY INC

Attic stairs with a support beam

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.
Owner:FAKRO PP SPOLKA Z O O

Stair tread template ruler

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.
Owner:ZHEJIANG JUXIN TECH CO LTD

Collapsible, stowable, rigid stair structures and methods of using same

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.
Owner:DEMONTE WALTER P

Stairs and platform system for mobile elevated shelter

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. The first and second platform handrail assemblies are each selectively configurable to be in: (i) an operative position in which the first and second platform handrail assemblies project respectively upwardly from the opposite first and second lateral sides of the platform; and (ii) a stowed position in which the first and second platform handrail assemblies engage both the platform and the stair assembly to capture and retain the stair assembly in its stowed position.
Owner:BERG COMPANIES INC

Robotically negotiating stairs

A method for negotiating stairs includes receiving image data about a robot maneuvering in an environment with stairs. Here, the robot includes two or more legs. Prior to the robot traversing the stairs, for each stair, the method further includes determining a corresponding step region based on the received image data. The step region identifies a safe placement area on a corresponding stair for a distal end of a corresponding swing leg of the robot. Also prior to the robot traversing the stairs, the method includes shifting a weight distribution of the robot towards a front portion of the robot. When the robot traverses the stairs, the method further includes, for each stair, moving the distal end of the corresponding swing leg of the robot to a target step location where the target step location is within the corresponding step region of the stair.
Owner:BOSTON DYNAMICS INC

Stair template for cast-in-place stair construction

The utility model discloses a stair template for cast-in-place stair construction, which relates to the technical field of stair templates, and comprises a template and a bottom plate arranged below the template, an adjusting device is arranged on the bottom plate, a supporting device is arranged on the adjusting device, and the supporting device is used for movably supporting the bottom of the template. The supporting device comprises a mounting base arranged on the adjusting device, a push rod is movably inserted into the mounting base and used for limiting deviation of the push rod, the extending end of the push rod is fixedly connected with a supporting block and used for pushing the supporting block to ascend and descend, and a torsional spring used for supporting the supporting plate to incline on the supporting block is arranged at the position, hinged to the supporting plate, of the top end of the supporting block. The top of the supporting plate is fixedly connected with an anti-skid pad used for movably making contact with the bottom of the formwork, the adjusting device is used for longitudinally adjusting the position of the supporting device so that the supporting plate can adapt to the angle of the formwork, then the supporting plate can conveniently support the formwork, the supporting position of the supporting plate can be adjusted, and the supporting effect is improved.
Owner:国海建设有限公司

Lifting mechanism for scissor attic stairs, attic stairs, and method of lifting attic stairs using a lifting mechanism

The subject-matter of the invention comprises a hoist mechanism for attic scissor stairs, attic stairs and method of hoisting attic stairs concertina ladder using hoist mechanism, wherein the hoist mechanism with an electric drive is constructed out of load bearing frame (5), half-frame (62) with electric drive (72) suspended from it, and half-frame (61) is constructed out of lateral stile (61) and two side stiles (62), so that half-frame side stiles (62) are mounted using articulated joints to load bearing frame (5) wherein each side stile (62) features lifting system (13) for lifting attic stairs concertina ladder (3), wherein lifting system (13) assumes a passive and an active position during hoist mechanism operation.
Owner:FAKRO PP SPOLKA Z O O

Design and assembly method for full-tenon-and-mortise modified gypsum assembly type building component

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.
Owner:冶金智

Stair socket reinforcing formwork construction process

The invention relates to the technical field of stair construction, and discloses a stair socket reinforcing formwork construction process which comprises the following steps of preparation before construction, completion of technical disclosure, assembly inspection and site arrangement. The installation of the modularized reinforcing assembly comprises the steps of arranging, fixing and calibrating an inclined strut assembly, a horizontal pull rod assembly and a quick connecting node; a formwork is installed and reinforced, the bottom formwork and the side formwork are connected through a horizontal pull rod, and the side formwork is supported through an inclined strut assembly; and the embedded reinforcing assembly is embedded, specifically, the embedded reinforcing assembly is arranged in the formwork and fixed to the formwork. By adopting the modular reinforcing assembly system and through standardized design and dynamic adjustment functions of the inclined strut assemblies, the horizontal pull rod assemblies and the rapid connecting joints, rapid arrangement, flexible adjustment and efficient installation in the construction process are achieved. Compared with a traditional formwork erecting process depending on manual measurement and field processing in the prior art.
Owner:INNER MONGOLIA JINGYU ENGINEERING PROJECT MANAGEMENT CO LTD

Luxury vinyl plank stair noses and other moldings

ActiveUS12448778B2TreadsPlankVinylstyrene
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.
Owner:FINISHED EDGE TECHNOLOGY LLC

Crawling ladder aerial work platform

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.
Owner:湖南易高智能装备有限公司

Metrideck Rapid Deployment and Reconfigurable Structural System for temporary or semi-permanent buildings such as trade show displays, corporate lobbies, or Museum Displays

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.
Owner:SEARLE TIMOTHY S

Mobility device

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.
Owner:DEKA PRODUCTS LP

Stairway work platform and method

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.
Owner:WERNER CO

Vertical measuring device for wind turbines

A vertical measuring device for wind turbines, removable on a climbing ladder (2) inside the tower (1) of the wind turbine, with sliding adjustment along the climbing ladder (2), characterized by the mounting plate (5), on which the first plate (6) and the second plate (7) are mounted, the first plate (6) is fixed on the said mounting plate (5), the second plate (7) is actively mounted on the mounting plate (5), the first plate (6) and the second plate (7) are set straight, the ladder frame of the climbing ladder (2) is arranged between the first plate (6) and the second plate (7), the sliding adjustment on the mounting plate (5) with a mounting bracket (14), the mounting bracket (14) to the inner wall of the tower (1), the mounting bracket (14) with two linear displacement sensors (20), two linear displacement sensors (20) upward and downward distribution adjustment,the measuring end of the linear displacement sensor (20) towards the inner wall of the tower (1), a linear displacement sensor (20) Along the radial adjustment of the mounting bracket (14) an electronic inclinometer (21) is also arranged on the mounting bracket (14), which is located between the two aforementioned linear displacement sensors (20).
Owner:DANG ZHENGWEN +9

Patient transport apparatus for traversing stairs

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.
Owner:STRYKER CORP

Foldable and angularly adjustable ladder

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.
Owner:CHARFONT LTD

Flooring system and method for manufacturing the same

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.
Owner:VERSATRIM LLC

Mobility device

ActiveUS12240440B2Daily livingIn vehicle
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.
Owner:DEKA PRODUCTS LP

Stair sliding support structure with raised lines

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.
Owner:CITIC GENERAL INST OF ARCHITECTURAL DESIGN & RES

Fabricated building stair mold

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.
Owner:ANHUI CONSTR ENG CHANGJIANG CONSTR INVESTMENT CONSTR IND CO LTD

Stair operation platform with automatic crawling function

The stair operation platform with the automatic crawling function comprises a platform frame, a lifting mechanism, a transmission mechanism, driving crawling wheels and action crawling wheels, the platform frame is an operation platform, the lifting mechanism is arranged at the bottom of the platform frame and comprises a bottom frame, the bottom frame is of a square frame type structure, and the driving crawling wheels are arranged on the two sides of the bottom of one end of the bottom frame correspondingly; each driving climbing wheel comprises a sleeve frame, a wheel carrier is rotationally arranged on the inner side of the bottom end of the sleeve frame through a transverse shaft, the transverse shaft is fixedly connected with the wheel carrier in an inserted mode and is rotationally connected with the sleeve frame in a sealed mode, and a ladder climbing wheel is rotationally arranged on the inner side of the end of each end of the wheel carrier; a transmission mechanism fixed to the bottom side of the bottom frame through a support is arranged between the driving climbing wheels and comprises a transmission motor. According to the operation platform, the problem that the operation platform is inconvenient to carry is solved.
Owner:TIANYUAN CONSTR GROUP

Variable foot end of robot and self-adaptive stair climbing robot in building

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.
Owner:SHENZHEN RESEARCH INSTITUTE OF CHINA UNIVERSITY OF MINING & TECHNOLOGY

Staircase structure for installing elevator in staircase

The invention discloses a staircase structure for installing an elevator in a staircase, and the staircase structure can be arranged in the staircase of an old community. The elevator shaft is arranged close to the stairway on one side and does not occupy a stairway platform in the middle of the stairway, the stairway located at the position of the elevator shaft is a folding stairway, and the folding part can be erected to be parallel to the elevator shaft when the stairway is not used. When the stair needs to be used, the elevator car can be placed on the bottom layer or the top layer, the foldable part vertically arranged outside the elevator is put down, the stair with the foldable part enters the elevator shaft, the stair with the foldable part abuts against the wall in the elevator shaft, and the travel is stably supported so that the requirements of fire fighting, emergency and escape can be met.
Owner:ZHEJIANG MEIES VILLA ELEVATOR MANUFACTURING CO LTD