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358 results about "Revolving door" patented technology
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In politics, the "revolving door" is a movement of personnel between roles as legislators and regulators, on one hand, and members of the industries affected by the legislation and regulation, on the other. It has also been used to refer to the constant switching and ousting of political leaders from offices such as the Prime Minister of Australia and Japan.
System and method for remote monitoring and maintenance management of vertical transportation equipment
InactiveUS7002462B2Effectively manage building transportation equipment information and issuesReduce errorsElectric testing/monitoringColor television detailsMaintenance managementAir conditioning
The Vertical Transportation-Maintenance Management System (VTMMS) invention described herein is directed towards an automated system and method for monitoring, management, and maintenance of transportation equipment, including but not limited to escalators, elevators, moving walkways, baggage carousels, revolving doors, and automated doors. The system and method is also adaptable to heating, ventilation, and air conditioning units and other building equipment. The system and method collects data from the monitored equipment and preserves data that is related to equipment alarms, faults, failures, and maintenance requirements and activities as determined by monitoring software.
Owner:GANNETT FLEMMING
Apparatus for controlling the ingress and egress to and from an operator's compartment
InactiveUS20030146347A1Minimal surface areaEasy constructionAir-treatment apparatus arrangementsWing suspension devicesStructural engineeringAirplane
The ingress to and egress from an access restricted compartment, such as the cockpit in an aircraft, is controlled by a revolving gate (1) rotatably mounted in a stationary gate frame (2). The revolving gate (1) has a single gate opening (11) and is rotatable about its central longitudinal axis through predetermined or preselected angular sectors to bring the gate opening (11) either into alignment with any one opening (21) of at least two frame openings (21) at a time, to provide ingress or egress, or to cause said single gate opening (11) to face a wall (2A) of said stationary gate frame (2) or a closed door (51) in said stationary gate frame (2) to close the gate (1). In the closed position of the gate (1) escape from the gate (1) is prevented by locking the gate in its closed position by at least one arresting bolt that is electrically controllable, preferably from the cockpit. The atmosphere in the revolving gate (1) is controllable, preferably also from the cockpit, for incapacitating any unauthorized intruder.
Owner:AIRBUS OPERATIONS GMBH
Door of a household electrical appliance
Owner:MULLER ELECTRODOMETICOS SA
Pusher for movable furniture elements
ActiveCN101680260ABuilding braking devicesPower-operated mechanismMechanical engineeringStructural engineering
A pusher for a movable furniture element, in particular a revolving door, a piece of furniture having a body (1) with at least one wall (2) or a plurality of walls (2-6), is characterised in that thepusher is designed in such a way that it can be integrated into one of the walls (2-6) of the piece of furniture.
Owner:HETTICH ONI
Self-cleaning revolving door
InactiveCN111197452AAffect aestheticsEasy to cleanRevolving doorsWindow cleanersGas passingEngineering
The invention discloses a self-cleaning revolving door. The self-cleaning revolving door comprises a cylindrical door frame, wherein a rotating shaft is rotatably connected to the inner wall of the cylindrical door frame, a plurality of rotating door frames are fixedly connected to the side wall of the rotating shaft in an uniformly distributed mode, sliding plug cavities are formed in the side wall, close to the rotating shaft, of the rotating door frames, magnetic sliding plugs are slidably connected to the inner walls of the sliding plug cavities, and cleaning strips attracted to the magnetic sliding plugs are slidably connected to the side walls of the rotating door frames. The non-stop rotation of the rotating door frames causes the iron sliding blocks to intermittently compress telescopic air bags, gas in the telescopic airbags enters a cavity for storage, when the pressure intensity in the cavity reaches a threshold value of a pressure relief valve, the pressure relief valve isopened, so that the gas in the cavity enters the sliding plug cavities through an air inlet cavity, the magnetic sliding plugs are pushed to slide upwards, the cleaning strips are driven to move upwards on the side walls of the rotating door frames, glasses on the rotating door frames are self-cleaned, and the problem of too much dust on the glasses that affects the aesthetics of the revolving door is avoided.
Owner:姚宏应
Oven having an h-shaped rotating door
ActiveUS20150164271A1Prevent escapeDomestic stoves or rangesStoves/ranges shelves or racksElectric machineryIngested food
An oven comprising a housing, a cavity, an H-shaped rotating door, a motor and a heat source is disclosed. The cavity, which includes an opening, is located within the housing. The H-shaped rotating door, which can be rotated by the motor, includes a first food loading section and a second food loading section. The H-shaped rotating door also serves as a cover to prevent heat within the cavity from escaping through the opening. The heat source provides heat to the cavity to heat up any food item placed on one of the food loading sections located within the cavity.
Owner:OVENTION
Hydraulic governor device for use with a rotational shaft, and door assembly including the same
InactiveUS7086441B2Prevent rotationLiquid resistance brakesDoor/window protective devicesPistonRotational axis
A hydraulic governor device for use with a rotational shaft of a door assembly for controlling a rotation of said rotational shaft. The device includes a sleeve; first and second end coverings mounted respectively onto first and second ends of the sleeve so as to define an hydraulic flow path; a fluid substantially filling the hydraulic flow path; an input shaft extending through the ends coverings and the chamber, and being operatively connected to the rotational shaft of the door assembly; first and second pistons disks positioned inside the chamber and mounted about the input shaft, the pistons disks being connected to each other and being slidably movable along the input shaft; and a reciprocating assembly operatively connected between the input shaft and the piston disks and cooperating with the same for converting a rotation of the input shaft into a reciprocating movement of the pistons disks within a chamber, so that said reciprocating movement of the pistons disks inside the chamber causes in turn the fluid to travel along a reciprocating movement along the hydraulic flow path, said reciprocating movement of the fluid along the hydraulic flow path causing a damping effect of the rotation of the input shaft and thus controlling the rotation of the rotational shaft of the door assembly via a damping effect.
Owner:CANIMEX
Revolving door control system
In a method and system for controlling a revolving door that has a plurality of chambers defined by wings of a revolver, at least one imaging sensor is provided for acquiring images of a first area where the plurality of chambers rotatably pass by or through. A drive causes the revolver to rotate in a first direction from a first position where a user can enter a first chamber via the first opening. Images are acquired by the one imaging sensor and signals are acquired from a position sensor that is operative for outputting signals indicative of the angular position of the revolver. Based on the signals acquired from the position sensor, each imaging sensor or its output is disabled and / or each image acquired by each imaging sensor is ignored when each door wing is in field-of-view of the imaging sensor.
Owner:BEA INC
Novel power door lock for washing machine
InactiveCN102535118AProtect normal useSimple structureNon-mechanical controlsOther washing machinesLaundry washing machineEngineering
The invention discloses a novel power door lock for a washing machine. The novel power door lock comprises a seat cover and a mounting base. The seat cover and the mounting base are matched to form a shell. A draw cord rod is arranged at the top end of the mounting base through a pressure spring. A draw cord is arranged at the top end of the draw cord rod. The bottom of the draw cord rod is movably connected with a safety lock block which is fixedly arranged on the inner wall of the mounting base through a first pressure spring. One end of the safety lock block is matched with a limiting block which is arranged in an electrical component, and the electrical component is arranged at the bottom of the mounting base. The other end of the safety lock block is movably connected with a rotatinglatch which is arranged on the mounting base through a torsional spring. A square hole is formed in a position corresponding to the rotating latch on the mounting base. The invention has the beneficial effects that: the novel power door lock for the washing machine has a simple structure, and is low in production cost; and power control is adopted, so that the washing machine is safely and effectively used by a user.
Owner:WENZHOU TIANJIAN ELECTRIC APPLIANCE
Revolving door capable of conveniently removing dust and limitable in position
ActiveCN110984799AEasy to viewImprove the effect of sealing protectionRevolving doorsSelf-acting watering devicesWater resourcesStructural engineering
The invention relates to the field of revolving doors, in particular to a revolving door capable of conveniently removing dust and limitable in position. The revolving door comprises a protecting structure, a revolving structure, a position limiting structure, a mounting structure, a holding structure, a water spraying structure and a dust removal structure. The rotating structure can synchronously drive the water spraying structure to work while working; through the operation of the water spraying structure, watering maintenance work can be performed on a bonsai on the holding structure withwater in the holding structure; not only can the bonsai on the holding structure be conveniently watered, but also water resources can be recycled, and thereby, the goal of saving the water resourcesis achieved; by installing the mounting structure on the revolving structure, the aesthetic property can be enhanced, and the bonsai can also be prevented from artificially damaged; the mounting structure and the revolving structure can be rapidly fixed to facilitate installation and removal of the mounting structure; the rotating structure can synchronously drive the dust removal structure to work while working; and dust on the surface of a base can be swept through the operation of the dust removal structure.
Owner:杭州昕华信息科技有限公司
Revolving door with automatic dust removal function
ActiveCN111364889ABig spaceAvoid harming your healthRevolving doorsSuction cleanersDust controlEngineering
The invention discloses a revolving door with an automatic dust removal function. The revolving door comprises a cylindrical door frame; the inner wall of the cylindrical door frame is rotationally connected with a rotating shaft; a plurality of revolving door frames are uniformly distributed and fixedly connected to the side wall of the rotating shaft; a sliding plug cavity is formed in the sidewall, close to the rotating shaft, of the revolving door frame; a sliding plug is elastically connected to the top in the sliding plug cavity through a conductive spring; an annular groove is formed in the lower end of the cylindrical door frame; and a driving device for driving the sliding plug to move on the inner wall of the sliding plug cavity is mounted in the annular groove. When the revolving door frame rotates continuously, a magnetic column reciprocates up and down in the annular groove, so that an induction current is generated to the induction coil, the conductive spring contracts after being electrified to drive the sliding plug to move upwards, space under the sliding plug cavity is increased, the pressure intensity is reduced, dust on a floor mat is sucked into dust suction chambers through one-way dust suction holes, the condition that since dust drifts away with movement of people, people inhales excessive dust, and the health of people is endangered is avoided.
Owner:抚州市中小企业服务有限公司
Flow-limiting revolving door
ActiveCN112647831AAvoid gathering chaosEnsure orderTurnstilesHydro energy generationEngineeringPiston
The invention relates to a flow-limiting revolving door. The flow-limiting revolving door effectively solves the problem that a gate cannot limit the passing frequency. According to the technical scheme, the flow-limiting revolving door comprises a rotating shaft of the gate, a shell parallel to the rotating shaft is fixed to the outer wall of the rotating shaft, the interior of the shell is divided into a first cavity, a second cavity and a third cavity from bottom to top, a piston is installed in the third cavity, the rotating shaft rotates to enable the first cavity to suck liquid from the second cavity and then push the liquid in the first cavity into the third cavity, a first through hole is formed in the lower end of the third cavity, a fixed annular sleeve is coaxially arranged outside the rotating shaft, teeth are evenly distributed on the circumference of the inner wall of the annular sleeve, a clamping block penetrating through the side wall of the third cavity in the radial direction is installed on the third cavity, if the rotating shaft rotates too fast, the liquid can enter the third cavity too fast, the clamping block can be pushed outwards after the piston moves upwards to exceed the highest position, and the outer end of the clamping block is inserted into the teeth of the annular sleeve; and according to the flow-limiting revolving door, the passing frequency of the gate can be limited, and people in places in the gate can be prevented from being gathered and disordered.
Owner:山东欧盾门业有限公司
Aircraft aisle partition with swinging doors
ActiveUS9254918B2Prevent movementAvoid interferenceGalleysAir-treatment apparatus arrangementsEngineeringMechanical engineering
Owner:SAFRAN CABIN INC
Drive unit for a revolving door with an integrated blocking device and/or braking device
InactiveUS20140197717A1Shorter braking distanceQuick stopSynchronous generatorsAssociation with control/drive circuitsEngineeringMechanical engineering
A drive unit for a revolving door having a turnstile includes: an electronically commutated multipole motor having: (i) a disk-shaped or cup-shaped stator part configured to be arrangable at a stationary structural component part of the revolving door, (ii) a disk-shaped or cup-shaped rotor part configured to be gearlessly connectable to the turnstile of the revolving door, and (iii) an engagement device arranged between the stator part and the rotor part, the engagement device being configured to intervene in rotational movement of the rotor part. The stator part and the rotor part are in a plane-parallel arrangement with respect to one another.
Owner:DORMAKABA DEUT GMBH
Rotary automatic door and operation method thereof
ActiveCN103485644AReduce the probability of entrapmentReduce harmRevolving doorsPower-operated mechanismSufficient timeEngineering
The invention discloses a rotary automatic door which comprises a fixed door leaf, a rotary door leaf, a driving device, a detecting device and a control device, wherein the driving device is used for driving the rotary door leaf to rotate, the detecting device is used for detecting the relative position of the rotary door leaf to the fixed door leaf, and the control device is connected with the detecting device and used for controlling the driving device to speed up, slow down or keep a uniform speed in accordance with the position of the front end of the rotary door leaf. The invention further discloses an operation method of the rotary automatic door. According to the rotary automatic door and the operation method of the rotary automatic door, the speed of the rotary door leaf of the rotary automatic door through a hazardous area is actively reduced, so that people in the hazardous area have enough time to move forward or backward, thereby greatly reducing the probability that the people are clamped by the rotary door leaf. When pedestrians or objects are detected by any danger sensor, the rotary door leaf can stop within a short braking distance, thereby reducing the impact force on the pedestrians or the objects, hurts to the pedestrians are minimized, and the pedestrians or the objects are guaranteed to exit in time.
Owner:CHIKURA IND +1
Door drive
ActiveCN105064847ACompact structureGuarantee OrientedBuilding braking devicesPower-operated mechanismSpring forceEngineering
A door drive, in particular a rotary door drive, comprising a housing can be coupled to a door leaf or a window frame output shaft, a motor for driving the output shaft and a spring unit, during a respective opening movement of the door wing is stretched and relaxed during each closing movement of the door leaf, wherein the output shaft via a rack by the motor is drivable and the spring unit on the one hand on the toothed rack and on the other hand is supported via a stop on the housing for adjusting the spring force of the spring unit relative to the housing is adjustable.
Owner:GEZE GMBH
Intelligent science and technology park access control system based on face recognition
InactiveCN112288931AReduce the risk of infectionAvoid security issuesRevolving doorsLavatory sanitorySimulationWeather prediction
Owner:福建省国建君安环境科技有限公司
Full-automatic punching and cutting equipment
InactiveCN112917159AReduce investmentImprove practicalityMetal-working feeding devicesShearing machinesPunchingElectric machinery
The invention relates to the technical field of punching equipment and discloses full-automatic punching and cutting equipment which comprises a box body, wherein a rotating door is rotatably connected to the inner wall of the right side of the box body, a motor is connected to the right side of the box body through bolts, a punching mechanism, an adjusting mechanism and a collecting mechanism are arranged in the box body, a fixed plate and an inclined plate are welded to the inner wall of the box body, and a transmission mechanism is arranged on the left side of the box body. For the full-automatic punching and cutting equipment disclosed by the invention, a width and a thickness of a plate which can be punched can be wholly adjusted through the adjusting mechanism, so that the full-automatic punching and cutting equipment can be suitable for plates of different models, the application range of the device can be widened, and the practicability is improved; meanwhile, the plates can further be driven to be fed without needing manual feeding, so that human input is reduced; and the plate can be cut while being punched through the punching mechanism, so that the plate does not need to be moved to the next working procedure for machining, one working procedure can be reduced, and then the cost is reduced with low investment.
Owner:河南新发联网络科技有限公司
Rotary sliding door system
InactiveCN1861973AMaximize space utilization efficiencyBuilding braking devicesWing arrangementsPulleyControl theory
A rotatable sliding door system with an improved structure to improve the utilization efficiency of the space used as an entrance. The sliding door system includes: a frame, which opens the bottom to form an installation space for the door; a rotating door frame, which is rotatably combined with one side of the inner circumferential surface of the frame, and has a guide rail under the upper part; a fixed door frame, which is fixed On the inner peripheral surface of the frame except for the joint part with the revolving door frame, there is a guide rail extending along the guide rail of the revolving door frame; the fixed door is fixed on the inside of the revolving door frame and has at least one rotatable door on the corresponding bottom surface of the lower section. Pulley; one or more sliding doors, which are slidably combined with the fixed door frame and the rotating door frame, and have at least one rotatable pulley on the corresponding bottom surface of the lower section. According to the rotatable sliding door system, by fully overlapping the fixed door and the sliding door, the door can be opened and closed simultaneously with the rotating door frame to the front or rear, so that the entrance and exit can be opened, so the space utilization efficiency of the entrance and exit can be maximized.
Owner:ALU SRL
Improved algorithm for revolving door compression algorithm
ActiveCN110995275AReduce usage intensityHigh degree of automationCode conversionEnergy efficient computingEngineeringImproved algorithm
The invention discloses an improved algorithm for a revolving door compression algorithm, and the algorithm comprises the specific steps: presetting the compression deviation of a specified point, thespecified point being a point preset by a user, and the compression deviation being a value preset by the user; and enabling the system to preferentially use the compression deviation specified by the user. On the basis of a revolving door compression algorithm, a threshold value automatic adjustment algorithm is introduced, and the threshold value can be automatically adjusted according to the change of an actual numerical value and the compression ratio. According to the invention, under the condition of not specifying the parameters such as the measuring range and the compression deviation, the compression effect equivalent to or similar to that of manually specifying the parameters can be obtained, the use intensity of a user is greatly reduced, and the automation degree is improved;and meanwhile, the compression precision parameter can be automatically adjusted according to the change of the data, so that the compression ratio and the fitting precision are relatively controllable on the whole.
Owner:ANHUI ANTAI TECH
Machine tool magazine with self-cleaning function
InactiveCN113070710APrevent adhesionAvoid affecting processing resultsPositioning apparatusMaintainance and safety accessoriesMachine toolMachining
The invention discloses a machine tool magazine with a self-cleaning function. The machine tool magazine with the self-cleaning function comprises a magazine body for containing tools and a vertical tool rest disc arranged in the magazine body. An opening is formed in one side of the magazine body, a rotating door is rotationally installed on the outer side of the opening, a mounting plate is fixedly installed on the lower portion of the inner wall of the magazine body, a mounting frame is arranged on one side of the mounting plate, and a mounting box is fixedly mounted on the other side of the mounting plate. According to the machine tool magazine with the self-cleaning function, the tool changing efficiency of the tools is affected, after the tools are machined and changed, a cleaning mode is started in cooperation with a machine tool code instruction, air exhaust cleaning is conducted on the tools in cooperation with a fixed cleaning piece and a rotary pollution discharge piece, chippings on the tool bodies and the cutting edges of the tools are removed, the chippings are effectively prevented from being attached to the surfaces of the tools in the tool cooling process, and especially the phenomenon that the chippings are attached to the cutting edges and accumulated for a long time to change the actual shape of the cutting edges, and the machining result is affected is avoided.
Owner:SHENZHEN CITY HUAQUN CNC MACHINERY
Machine tool protective door structure
InactiveCN111421380AIncrease opening sizeReduced door opening strokeMaintainance and safety accessoriesEngineeringStructural engineering
The invention discloses a machine tool protective door structure. The machine tool protective door structure is arranged in machine tool protection component and comprises a door body, a connecting mechanism and a guide mechanism, wherein the door body comprises a sliding door and a rotating door, one end of the connecting mechanism is connected with the sliding door, the other end of the connecting mechanism is connected with the rotating door, the guide mechanism is fixed on a door frame, is matched with the sliding door and the rotating door correspondingly, and is used for guiding the sliding door and the rotating door to move relative to the door frame. An original single-side door or single-leaf door can be ingeniously divided into a plurality of sliding doors and rotating doors, thesliding doors and the rotating doors are connected through the connecting mechanisms to achieve synchronous movement, the motion trail of the door body is changed under the guidance of the guide mechanism, so that the door body which originally runs linearly can run in a rotating and arc mode, the door opening stroke of the door body is reduced, and the opening size of the door can be enlarged tothe maximum extent in a limited space.
Owner:NINGXIA KOCEL MACHINE TOOL ACCESSORIES
Two-wing anti-trailing and freight transport integrated full-height brake
PendingCN107762390AComfortable to useImplement anti-tailingTurnstilesIndividual entry/exit registersCredit cardEngineering
The invention discloses a two-wing anti-trailing and freight transport integrated full-height brake which comprises a frame part, an electromechanical control mechanism and an inlaid-type managing system. The frame part comprises an arc-shaped fixing frame, a box type column, a top box, rotary door wings, a rotary door rotary shaft, a freight transport side door and a side door rotary shaft; and the electromechanical control mechanism comprises a photoelectric sensor, a coded disc, a smooth rotation damping frame, an automatic centering adjusting frame, bilateral rotation locking wheels, a bilateral rotation door wing electric locking system and a freight transport side door electric shifting fork. According to the two-wing anti-trailing and freight transport integrated full-height brake,while card swiping is needed to accredit illegal trailing passage prevention, passage comfort and necessary large object passage in normal work and life are achieved, and in a peak period firefightingstate, a large number of legal persons are allowed to quickly pass without card swiping; and under the precondition that all the use function requirements are met, the size and the occupied area arereduced, and the overall security level is increased.
Owner:XINJIANG HUAXUN TECH DEV
Molded frame for a reversible appliance door
ActiveUS11124998B1Easy to changeLighting and heating apparatusWing accessoriesClassical mechanicsStructural engineering
A reversible door assembly is provided which allows for easy changing of a door swing direction without the need for any additional swing change kit and without the need for rotation of the door. The present embodiments provide a frame which utilizes removable pocket hinge elements which may be moved from one side of the frame to the other side in order to easily change the door swing direction.
Owner:DOMETIC APPLIANCES
Embedded face recognition access control device
InactiveCN111105534AEasy to passAvoid accumulationRevolving doorsIndividual entry/exit registersElectric machineryEngineering
The invention discloses an embedded face recognition access control device. The device comprises a community entrance and a community exit, rotating shafts are vertically mounted in the middles of theentrance and the community exit; four rows of transversely-arranged first blocking rods are arrayed on the rotating shaft at equal intervals with the rotating shaft as the circle center, a pluralityof transversely-arranged second blocking rods are vertically arrayed on the wall on one side of the community entrance and the community exit, and the second blocking rods of the community entrance and the community exit are installed on the opposite sides of the wall. The lower part of the device is directly communicated with an underground water tank, and a large amount of accumulated water on the ground can be prevented; and the door disclosed by the invention is a cross-shaped revolving door to effectively prevent children to enter, and by arranging a door card recognition system, childrenand old people do not enter a face recognition device, the children and the old people can be prevented from getting lost, bristles are arranged at the lower end of a second baffle, dust on a first stop lever can be cleaned up, the whole process is driven by a motor, and the personnel passing efficiency can be improved.
Owner:BINZHOU UNIV
Push-pull rotating door and window with flexible rotation function
ActiveCN110644890AFlexible rotationSimple structureBuilding braking devicesWing fastenersRatchetTorsion spring
The invention discloses a push-pull rotating door and window with a flexible rotation function, and relates to the technical field of doors and windows. The push-pull rotating door and window includesa push-pull window frame and a surface rotating base, and the two sides of the inner wall of the push-pull window frame are fixedly connected to one side of the surface of the surface rotating base.According to the push-pull rotating door and window with the flexible rotation function, a rotating windshield, an obliquely-pushed high-level ventilation window frame, a rotating ratchet wheel, a manual adjustment rotation lever, a torsion spring, a micro clamping fixing block and a manual adjustment control lever are jointly arranged, so that when the angle of the windshield needs to be adjusted, a user only needs to manually rotate the manual adjustment rotation lever, and if the windshield needs to be rotated back to the original position, only the manual adjustment control lever needs tobe operated to enable the micro clamping fixing block to break away from the surface of the rotating ratchet wheel; and an external connection object placement slot and an electronic control telescopic rod are arranged jointly, so that the obliquely-pushed high-level ventilation window frame is fixed at a certain angle.
Owner:合肥四周建筑装饰有限公司
Metal mechanics detection drawing method
InactiveCN112432854AReduce labor intensityImprove experimental efficiencyMaterial strength using tensile/compressive forcesStructural engineeringIndustrial engineering
The invention relates to the technical field of drawing equipment, and discloses a metal mechanics detection drawing method which is based on a detection drawing device. The device comprises a box body, a controller is fixedly installed on the right side of the box body, and a first rotating door and a second rotating door are movably connected to the inner wall of the box body; and a first rotating door is located on the left side of the second rotating door, a stretching mechanism is arranged in the box body, a limiting mechanism is arranged on the inner wall of the box body, and a rotatingmechanism is arranged at the top of the box body. Under the action of a pulling-up mechanism, metal can be clamped while being stretched; and manual metal clamping by workers is not needed, the experiment efficiency is relatively improved, the labor intensity of the workers can be reduced, two rotating doors can be closed through the rotating mechanism while metal drawing is performed, then a situation that metal flies out when being snapped, and flying-out metal ash hurts the workers is prevented, and a potential safety hazard can be reduced.
Owner:张君
Security revolving door assembly
ActiveUS20200098212A1Effective preventionRevolving doorsPower-operated mechanismEngineeringComputer science
A security revolving door assembly including a revolving door, a controlling unit and a LIDAR sensor. The LIDAR sensor is appropriately disposed in the top or canopy of the revolving door and advantageously directed downwardly into the passage space of the revolving door. In particular, a first LIDAR sensor is centrally disposed in a first quadrant of the canopy, and a second LIDAR sensor is centrally disposed in a third quadrant of the canopy.
Owner:IRD GRP INC
Portable stopper apparatus for door
InactiveUS20200208447A1Prevent movementWing accessoriesWing fastenersStructural engineeringElectrical and Electronics engineering
A portable stopper apparatus selectively attachable to a swinging door to releasably fix the door in an open position. The portable stopper apparatus may be positioned against a door that is open and desired to be mechanically held open in a space between the door and the door jamb and operates by preventing the space created by the door being opened from closing. The portable stopper apparatus is formed as a one piece structure that includes a planar portion, a bent portion that has a vertical extension panel, a horizontal extension panel, and a stopper panel positioned on three discrete planes, and a secondary member positioned between the vertical extension panel and the stopper panel.
Owner:FARKAS ABRAHAM
Automatic vacuum mousetrap
InactiveCN105746483AEasy to useWill not cause secondary pollutionAnimal trapsElectric machineryEngineering
The invention discloses an automatic vacuum mousetrap. The automatic vacuum mousetrap comprises an attracting box, a vacuum pump box and a mousing box, wherein the attracting box is provided with a revolving door, a bait drawer II and a photoelectric sensor II; a door spindle of the revolving door is connected with a motor II; a ball hole is formed in the rear plate of the attracting box, a rotating ball is arranged in the ball hole, and the rotating ball is connected with a motor I; an air passage is formed in the rotating ball, and the air passage is communicated with a vacuum pump in the vacuum pump box by virtue of a branch air pipe and a main air pipe; a cylinder is arranged on the mousing box; an open end of the cylinder is sealed and pressed on the rotating ball, and the other end of the cylinder is closed; a plastic bag is arranged in the cylinder, and an open end of the plastic bag is pressed between the rotating ball and the opening of the cylinder; a photoelectric sensor I is also arranged in the cylinder; and the rotating ball seals the ball hole in the rear plate after rotating for a certain angle while the air passage in the rotating ball is communicated with the branch air pipe and the interior of the cylinder. Compared with the prior art, the automatic vacuum mousetrap adopts a new mousing method, is safe to use and environmentally friendly, can not cause secondary pollution and has high mousing efficiency.
Owner:CHINA UNIV OF MINING & TECH
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