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113results about "Revolvable tables" patented technology
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Pet furniture
The utility model discloses pet furniture which comprises a cabinet body, a supporting module and a table board assembly, and the cabinet body is internally provided with an activity space for pets to move; the supporting module and the cabinet body are arranged side by side and are connected. The table plate assembly is arranged above the cabinet body, and the table plate assembly is rotationally connected with the supporting module and used for enabling the table plate assembly to rotate in the horizontal direction. The pet furniture is high in practicability, good in flexibility when used in cooperation with furniture and capable of meeting the large pet feeding requirement.
Owner:LOCTEK ERGONOMIC TECH CORP
Intelligent dining table integrated with health monitoring function and use method of intelligent dining table
PendingCN121400675ACooking-vessel lids/coversCo-operative working arrangementsData matchingRadio frequency
The invention discloses a smart dining table integrated with health monitoring and a use method thereof, and relates to the technical field of smart dining tables. The intelligent dining table comprises a base, a table top, a rotating table, a weighing mechanism and an identification chopstick rack, the table top is installed at the top of the base, the rotating table comprises an electric rotating core, a rotating rock plate, a steam pot, a pot cover, a steamer water tank and a clamping hole, the weighing mechanism is installed in an inner cavity of the clamping hole, and the weighing mechanism is used for collecting and monitoring health data of meals of diners. And a plurality of identification chopstick racks are arranged on the upper surface of the table top. By means of the arrangement mode that the rotating table, the weighing mechanism and the identification chopstick frame are matched, accurate and non-sensitive collection of the intake is achieved through the weighing mechanism integrated on the rotating table, and the intake is obtained through binding of the identification chopstick frame and a user and reading of an identification chopstick frame ID at a specific position by a radio frequency card reading antenna. The problem of data matching when multiple persons have a meal together is solved, and dining convenience is achieved.
Owner:GUANGDONG SHIJIDE HEKANG MANAGEMENT CO LTD
Electric rotary dining table capable of automatically stopping and starting when food is picked up and stopping and starting control mechanism
The utility model discloses a stop-start control mechanism of an electric dining table, which comprises an annular lane, a light shield and a signal detection processing driving trolley, and the annular lane is used for the signal detection processing driving trolley to walk; straight lines where front wheel shafts and rear wheel shafts of the signal detection processing driving trolleys are located intersect at the circle center of the annular lane. The light shield covers the two sides and the upper portion of the annular lane, and the top of the light shield is provided with a lighting window in the surrounding direction of the annular lane. A first pyroelectric detector is arranged at the top of the signal detection processing driving trolley and is used for detecting a far infrared signal penetrating through the lighting window; the first pyroelectric detector is in signal connection with a signal processor, the signal processor receives and processes a detection signal and transmits processed information to a signal controller on the electric dining table, and the signal controller controls a motor control switch of a rotating table top of the electric dining table so as to control the rotating table top to be stopped and started. According to the stop-start control mechanism of the electric dining table, the number of detection signals and the processing difficulty are reduced, and interference is small.
Owner:ZHENGZHOU ZHONGZHEN MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD
Tabletop support frame capable of stably landing and supporting
Owner:GUANGZHOU XINHAO FURNITURE HARDWARE CO LTD
Connected electric glass dining table turntable
Owner:SHANGHAI TAOMEI HOTEL SUPPLIES CO LTD
Automatic rotating turntable mechanism
The utility model discloses a turntable mechanism capable of rotating automatically. The turntable mechanism comprises a fixed chassis, a chain wheel, a rotating disc and a connecting shaft, the middle crankset is used for driving the rotating disc to rotate and rotate by itself through the ball rings on the upper end face and the lower end face and the balls, the rotating disc is driven by means of friction force between the balls and the rotating disc, and when external force is applied to the rotating disc to stop rotating, the crankset can still rotate normally under the condition that the balls rotate in situ. And the support of the chain wheel and the rotating disc depends on the ball ring, so that the flatness does not need to be adjusted independently after installation, and the overall assembly structure is simple.
Owner:HENAN XINFUYUAN FURNITURE CO LTD
Foldable dining table board with limiting function
The utility model relates to the technical field of dining table plates, in particular to a foldable dining table plate with a limiting function, which comprises a fixing shaft and a deflection frame, a support frame is arranged on the outer side of the deflection frame, a first fixing plate is arranged at the top of the support frame, and a second fixing plate is hinged to the outer side of the first fixing plate. An adjustable assembly is arranged on the outer side of the second fixing plate. The adjustable assembly comprises a concave groove formed in the inner side of the second fixing plate, the bottom of the inner wall of the concave groove is rotationally connected with a threaded rod, and the side face of the inner wall of the concave groove is slidably connected with a lifting plate. According to the water cup fixing device, the first fixing plate, the baffle and the second fixing plate are arranged in a matched mode, so that the water cup fixing device has the turning and folding characteristics and is easy to store, the second fixing plate can be unfolded conveniently, the use area is increased, the concave groove can be exposed through the threaded rod, the lifting plate and the concave groove, and a water cup can be placed conveniently; and the lifting plate can be flush with the second fixing plate in height, so that the use is convenient.
Owner:KUNSHAN YUEMEI PLASTIC TECH CO LTD
Foldable electrically driven rotating table
This utility model relates to the field of dining table technology, specifically a foldable electric turntable dining table. It includes a tabletop, a plate, and a mechanism assembly. The mechanism assembly is mounted on the tabletop, and the plate is placed on the mechanism assembly. The mechanism assembly can drive the plate to rotate on the tabletop. The tabletop is foldable and deformable. A fixed frame is provided under the tabletop, and the fixed frame is connected to the tabletop. Both ends of the fixed frame have legs. Movable frames are provided on both sides of the fixed frame. A cross-shaped connector is provided on the fixed frame, and the first end of the movable frame is hinged to the cross-shaped connector. The movable frame is connected to the top of the tabletop, and the second end of the movable frame has legs. This utility model has a reasonable structure. The mechanism assembly can drive the plate to rotate relative to the fixed frame on the tabletop, and the plate is detachable. The two movable frames and the fixed frame form a cross structure to support and maintain the stability of the tabletop. The movable frames can be folded relative to the fixed frames, allowing the tabletop to fold and deform, facilitating transportation, reducing space occupation, and providing flexible and convenient use.
Owner:HUBEI YINGQI AUTOMATION TECHNOLOGY CO LTD
A rotating tray structure for a dining table
ActiveCN224268630UEfficient and stable rotation controlImprove convenienceServing tablesRevolvable tablesRotation controlPhysics
This utility model discloses a rotating tray structure for a dining table, relating to the technical field of dining tables. It includes a rotating tray and a base. The rotating tray is movably fastened to the base, forming a mounting cavity. A rotating gear ring is provided within the mounting cavity. The inner side of the rotating gear ring has annular meshing teeth. A driving component is provided on the inner side of the rotating gear ring. The driving component engages with the annular meshing teeth for transmission. The rotating gear ring can drive the rotating tray to rotate. An upper anti-slip ring is provided between the rotating tray and the rotating gear ring, and a lower anti-slip ring is provided between the rotating tray and the base. Several movable rolling balls are fitted into both the upper and lower anti-slip rings. This utility model's rotating tray structure not only solves the inconvenience of manual rotation but also achieves efficient and stable rotation control through electrification, while maintaining a simple and modern style, meeting users' high requirements for aesthetics, stability, and convenience.
Owner:HUIZHOU HUAYANG INTELLIGENT TECHNOLOGY CO LTD
Dining table rotating mechanism
The utility model is suitable for the technical field of furniture, and provides a dining table rotating mechanism which comprises an assembly box fixedly installed on a dining table frame. The rotating rod is rotationally mounted on the assembling box, and the top end of the rotating rod penetrates through the table plate; the groove seat is fixedly mounted at the top end of the rotating rod, a separable inserting block is arranged on the groove seat, and a table plate is fixedly mounted at the top of the inserting block; the two brackets are symmetrically arranged on the groove seat and are used for reinforcing and supporting the table plate; and the driving mechanism is arranged in the assembly box and on the rotating rod and is used for driving the rotating rod to rotate. According to the dining table rotating mechanism, the problems that an existing dining table rotating structure is inconvenient to disassemble, and a table top is inconvenient to clean are solved.
Owner:FOSHAN SAGEDO FURNITURE CO LTD
Rotary transmission structure and dining table hanging structure
The utility model relates to the field of dining table accessories, in particular to a rotary transmission structure and a dining table hanging structure. The rotary transmission structure comprises a bottom plate, a shaft sleeve, a transmission shaft and a transmission shaft, the supporting plate is movably or fixedly connected with the shaft sleeve; the transmission disc is parallel to the bottom plate and the supporting plate; the transmission disc is provided with connecting teeth which are fixedly connected; the transmission disc is provided with at least three limiting holes penetrating through the upper and lower surfaces of the transmission disc; the number of the first balls is at least three, and the at least three first balls are movably installed in the at least three limiting holes; the number of the second balls is at least three, and the second balls are movably installed between the transmission disc and the bottom plate; the second balls abut against the bottom plate and the transmission disc at the same time. A motor shaft of the motor is provided with a transmission gear which is fixedly connected with the motor shaft, and the transmission gear is connected with the connecting teeth in a meshed mode.
Owner:廖乐双
Multi-functional rotary dining table structure
The utility model relates to the field of dining table, concretely points to a kind of multifunctional rotary dining table structure, including the two rotatable trays of high and low staggered arrangement of meal on table board, and the rotatable tray of meal bearing dish, and the tray on the rotatable tray of meal located at top, can allow to place multiple dishes and rotate selection meal, etc.;The utility model compared with prior art has the advantages that: the rotatable tray of meal bearing dish is first divided into two layers in the dining table, so that the number of meal is improved under the condition of keeping moderate distance with the customer, and in the case of multiple meals, the customer can still easily obtain any target food.
Owner:HANGZHOU CHANGSHUN FURNITURE CO LTD
Intelligent dining table
The invention provides an intelligent dining table which comprises a table top, table legs used for supporting are arranged at the bottom of the table top, a rotating disc is rotationally arranged at the tops of the table legs, and gear motors capable of driving the rotating disc to rotate slowly and uniformly are assembled in the table legs. The detection assembly is arranged at the top of the turntable, food at the top of the turntable can be stably detected, meanwhile, the top plate is slidably connected with the outer frame through the extension strip, the use range of the top plate can be adjusted, the top plate is folded and hidden at the top of the turntable, and the practicability of the device is improved; a spectrum sensor and a smell sensor are arranged, the spectrum sensor can detect nutritional ingredients in the food, and the smell sensor can recognize the smell of the food, so that diners can quickly know the nutritional ingredients of the food and are prevented from taking too much fat, calorie and sugar, and the eating quality of the diners is improved. And the body health of diners is facilitated.
Owner:CHINESE CENTER FOR DISEASE CONTROL AND PREVENTION
Folding table, piece of furniture and vehicle
PendingDE102025137700A1Passenger spaceVehicle arrangementsSoftware engineeringMechanical engineering
A folding table, a piece of furniture, and a vehicle are provided in the embodiments of the application. The folding table comprises a tabletop mechanism and a base. The tabletop mechanism includes a support assembly and a tabletop mounted on the support assembly. The tabletop is movably connected to the support assembly to switch the tabletop between a folded and an unfolded state relative to the support assembly. The base is configured to support the tabletop mechanism, and the support assembly is rotatably connected to the base to rotate the tabletop between a first position and a second position relative to the base. The support assembly is rotatably connected to the base, and the position of the tabletop can be adjusted by rotating the support assembly.The tabletop position can be adjusted to suit the user's actual position, making it more comfortable to use. Because the tabletop and its support structure can be rotated to adjust its position, a single tabletop can meet user needs regardless of their position. Therefore, a folding table can be designed with just one tabletop, reducing its overall volume and thus minimizing the space it occupies.
Owner:INTEVA PROD ZHENJIANG +1
Improved extensible dining table
The utility model relates to an improved extendable dining table, it includes dining table main part 20, telescoping mechanism 30, intermediate bearing 40, lifting mechanism 50, extension mechanism 60, rotating mechanism 70, dining table main part 20 includes table leg 21, table bottom plate 22, inclined block 23, bottom bearing 24, slider 25, table ring 26 and small table plate 27, table leg support connection table bottom plate 22, bottom bearing 24 is installed on table bottom plate 22, and the bottom bearing 24 is installed on the table bottom plate 22. The sliding block 25 is installed on the edge of the surface of the table bottom plate 22. The telescopic mechanism 30 comprises an upper telescopic plate 31 and a lower telescopic plate 32. The table is high in structural strength, small in table plate distance, convenient to adjust and worthy of popularization.
Owner:薛逸胜
Side table structure capable of switching forms
The utility model discloses a form-switchable edge table structure which comprises a base, a table plate is arranged above the base, a containing space is formed by the base and the table plate, the base is connected with an annular cover extending upwards, the annular cover is connected with a plurality of locking rods, through holes are formed in the positions, corresponding to the locking rods, of the base, and the locking rods penetrate through the through holes to extend to the position above the base. A locking notch is formed in the locking rod above the base, the table board is rotationally arranged relative to the base and fixedly connected with a locking plate, a plurality of locking protruding blocks are arranged on the locking plate in a circumferential array mode, and the locking protruding blocks can be inserted into the locking notch or disengaged from the locking notch along with rotation of the table board relative to the base. Connection or detachment can be achieved without tools, and the requirements of users are met.
Owner:ZHONGSHAN GUOJING FURNITURE CO LTD
A lifting and rotating movement core convenient for fixing and adjusting a rotating disc
The utility model relates to dining table technical production field, especially a kind of lifting rotary core convenient to fix and adjust turntable;The utility model is arranged in the recess of the central place of dining table, the back of turntable is sucked by the sucking disc of locking device, when needing to adjust height difference, it can be adjusted that locking nut is positioned on stud, to realize the adjustment of flatness;In the utility model, when needing to rotate turntable, it can be driven to rotate by the rotating device in rotating seat, if needing to adjust height, it can be driven to lift by the lifting device on base;The utility model is easy to operate, and practicality is strong and convenient to fix and adjust.
Owner:刘水平
Electric turntable
The invention relates to an electric turntable and belongs to the field of catering service equipment, the electric turntable comprises a panel, a chassis and a driving ring arranged between the panel and the chassis, the upper end face of the chassis is provided with a driving mechanism, the driving mechanism comprises a motor and a gear set in transmission connection with an output shaft of the motor, and the inner ring of the driving ring is provided with transmission teeth meshed with the gear set; the motor is powered by an external power source, a plurality of evenly-distributed roller sets are arranged on the driving ring, each roller set comprises at least three rollers, the rollers at the two ends abut against the base plate, and the roller in the middle abuts against the face plate. The rotating efficiency is improved, meanwhile, the stability and safety of the structure are enhanced, the maintenance process of the rotating disc is simplified, the maintenance cost is reduced, the service life is prolonged, better use experience is provided for a user, and high market application value is achieved.
Owner:ZHEJIANG HONGTENG INTELLIGENT MFG CO LTD
Rotary connecting structure of dining table
ActiveCN224112303Usmooth transmissionElectric circuit arrangementsLighting elementsPhysicsElectric contact
The utility model relates to the technical field of dining tables, in particular to a rotating connection structure of a dining table, and solves the problem that a turntable dining table with a lamp strip cannot rotate continuously. A dining table rotating connection structure comprises a fixed disc and a movable disc, the fixed disc is used for being fixed to a dining table, the movable disc is used for being fixed to a rotating table top, the fixed disc and the movable disc are rotationally connected through a bearing, a plurality of annular grooves with the diameters gradually reduced are formed in the upper face of the fixed disc from outside to inside, and copper plates are arranged on the inner bottom faces of the annular grooves. The copper plate is connected with a power line through a wire, a plurality of through holes are formed in the lower portion of the movable disc, and telescopic probes are arranged in the through holes. According to the rotating dining table, through the electric contact mode of non-fixed connection between the telescopic probes on the fixed disc and the movable disc and the copper plates, stable transmission of electric power of the rotating dining table is guaranteed.
Owner:NANTONG SHIMAO DECORATION ENGINEERING CO LTD
A table to prevent water from overflowing
The present application provides a kind of table to prevent water overflow, it includes support, the upper plate of being fixed in the top of the support, the load plate of being liftablely through the upper plate, the ball pad groove of being circumferentially opened in the top of the upper plate, the ball pad of being embedded in the ball pad groove, the drainage groove of being opened in the top of the upper plate and with the drive unit of being fixed with the support and being used to drive load plate lifting, the rotating disc table is fixed in the top of load plate, when the load plate rises, the rotating disc table is away from ball pad, when the load plate drops, the rotating disc table is on ball pad.This application is by opening ball pad groove in the top of upper plate, and then used to embed ball pad, to support rotating disc table, avoid rotating disc table to incline due to unilateral placement too many dishes, by opening drainage groove and water guide groove in the top of upper plate, it is convenient for the water on rotating disc table to be drained into drainage groove through water guide groove, avoid the water overflow of rotating disc table on dining table top.
Owner:红蚂蚁装饰股份有限公司
An electric dining table structure
The utility model relates to electric dining table technical field, concretely points to electric dining table structure, including table, core component and dinner plate, the bottom of table is equipped with frame, is equipped with first empty position on table, and core component is arranged in first empty position and is fixedly connected with frame, and dinner plate rotatably sets up on core component, be equipped with second empty position, inner gear ring and outer gear ring on core component, be equipped with at least one drive motor on frame, be equipped with driving gear on drive motor, and at least one drive motor is located in first empty position and / or second empty position, thereby through driving gear and inner gear ring and / or outer gear ring transmission connection, the utility model discloses reasonable structure, at least one drive motor is engaged transmission inner gear ring and or outer gear ring through driving gear, can output different rotational speed ratio and torque, drive dinner plate rotates on table, satisfies the use demand of various specifications rotary dining table, and the compatibility is strong, can provide a variety of dining table application solution.
Owner:HUBEI YINGQI AUTOMATION TECHNOLOGY CO LTD
Table with answering interaction function
The invention provides a table with answer interaction, which comprises a table body and a control device, an interaction device is installed at each table position of the table body, the interaction device comprises a timing device, an operation device and a blocking frame which are arranged in a set, and the control device controls the plurality of interaction devices. And the control device is used for receiving an input signal of the operation device, controlling whether the corresponding blocking frame ascends or descends according to the signal, and controlling the ascending and descending time of the corresponding blocking frame through the timing device. According to the table with the answering interaction function, through the design of the blocking frame and / or the indicator light device, the better interaction effect is achieved, the enthusiasm of each participant for answering questions can be improved, meanwhile, the participant can view the correct answering state of other participants, interactivity is improved, and entertainment and interestingness are achieved.
Owner:刘敏尧
Heating dining table mat with heat preservation effect
ActiveCN223489354UOhmic-resistance heating detailsServing tablesTemperature controlHeat conservation
The heating dining table mat with the heat preservation effect comprises a base, a mat body and a rotating assembly, the mat body is rotationally arranged at the upper end of the base, the rotating assembly is arranged between the base and the mat body, and the rotating assembly is used for adjusting and rotating the mat body; and the temperature control assembly is arranged in the gasket and is used for accurately controlling the heating temperature. The utility model belongs to the technical field of heating dining table mats, and particularly relates to a heating dining table mat with a heat preservation effect.
Owner:XIAN JINYUEHUI HEALTH IND MANAGEMENT GRP CO LTD
Quilting table and method of using same
A quilting table includes a rotatable and height adjustable tabletop supported by an elongate leg assembly mounted on a base section. A plurality of clamping members can be releasably attached to the tabletop. The quilting table can be used in a method of making a quilt, in which multiple layers of material are positioned on the tabletop, the user sews the layers of material in a substantially straight line, rotates the tabletop to alter the position of the layers of material, and resumes sewing in a substantially straight line.
Owner:HOUCK TERESA
Rotary island platform
The utility model provides a rotary island platform. The rotary island platform comprises an island platform body and a rotary table, a storage cabinet and / or a storage drawer are / is arranged on the island platform body; the island platform body comprises a platform surface and side plates; cooking equipment and an open type storage box are embedded in the table top, and a water stop groove is formed in the edge of the table top. A movable power socket is arranged on the side plate; and one end of the rotary table is rotatably connected with one end of the island platform body. According to the embodiment of the invention, the rotary island platform comprises the island platform body and the rotary table, and the rotary island platform is divided into two functional areas, so that the number of articles in the space can be reduced, and the crowding feeling is reduced. The rotary table is rotatably connected with the island platform body, and the rotary table can be rotated to a proper position according to the size of the kitchen space, so that the traffic flow line of the kitchen is prevented from being hindered; by arranging the power socket, electrical equipment can be conveniently used; by arranging the water stopping groove, water flow can be effectively prevented from overflowing from the table top, and the table top is kept clean and tidy.
Owner:ZHONGSHAN XINSHANCHUAN IND
Lifting rotating table and control mechanism thereof
The utility model discloses a lifting rotary table and a control mechanism thereof, and the control mechanism comprises a box body which is fixedly installed below a table board; the sleeves are fixedly connected with the telescopic table legs; the fixed shaft disc is fixedly mounted in the sleeve; the lifting handle is provided with a lifting spline shaft and is rotationally supported at one end of the box body; the moving gear is installed on the lifting spline shaft in a matched mode through the spline hole, and the moving gear is provided with outer teeth; the cam is mounted on the moving gear in a matched manner through internal teeth; the cam is rotationally supported at one end of the fixed shaft disc; by rotating the lifting handle, the cam can rotate to trigger the lifting mechanism in the telescopic table leg; the rotating handle is rotationally supported at the other end of the box body, and one end of the rotating handle is connected with an iris mechanism; a shell of the iris mechanism is fixedly connected with the box body; the clutch shaft is fixedly connected to the other end of the fixed shaft disc; wherein the iris mechanism is arranged on the clutch shaft in a sleeving manner, and the iris mechanism can be connected with or separated from the clutch shaft by rotating the rotating handle.
Owner:GEARCHIEF EISSMANN CHANGCHUN AUTOMOTIVE PARTS +1
Table plate structure and carrier
PendingCN121989781AAvoid unexpected rotationreduce harmVehicle arrangementsRevolvable tablesControl engineeringControl theory
The invention relates to the technical field of vehicles, and discloses a table plate structure and a carrier. The first end of the swing arm is rotationally connected with the table plate body; the mounting base is arranged on the side, away from the table board body, of the swing arm and rotationally connected with the second end of the swing arm; the first locking mechanism is used for locking or unlocking the first end and the table plate body; the second locking mechanism is connected with the first locking mechanism and is configured to lock or unlock the second end and the mounting seat under the driving of the first locking mechanism; when the swing arm and the table plate body are in a locking state, the swing arm and the mounting seat are in a locking state; and when the swing arm and the table plate body are in an unlocking state, the swing arm and the mounting seat are in an unlocking state. During adjustment, two ends of the swing arm are unlocked at the same time, passengers can freely rotate the table plate, the position of the table plate is flexibly adjusted, and operation is convenient. After adjustment, the two ends of the swing arm are locked at the same time, so that the whole table can be kept fixed, unexpected rotation of the table board in an emergency is avoided, and the structural reliability and safety are improved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1
Standalone mobile device charging and speaker device
A solar-powered table including a base unit and a top section detachably coupled or connected to the base unit. The top section includes one or more solar cell assemblies including one or more solar cells, the one or more solar cells to receive light from a solar light source and convert the light to electrical energy; one or more battery charge controllers coupled to the one or more solar cell assemblies and one or more rechargeable batteries to receive the electrical energy and to transfer the electrical energy to charge the one or more rechargeable batteries; and one or more processors or controllers.
Owner:SHELTER INTELLIGENCE INC
Improved turntable
The utility model discloses an improved turntable. The utility model relates to a plastic sliding ball bearing, which comprises a first plastic sliding part, a plastic fixing part and a metal ball, and further comprises a second plastic sliding part and a first metal wear-resistant part, and the first plastic sliding part, the second plastic sliding part and the plastic fixing part are sequentially arranged from top to bottom; cavities for accommodating the metal balls are respectively formed between the first plastic sliding part and the second plastic sliding part and between the second plastic sliding part and the plastic fixing part, the second plastic sliding part is in rolling contact with the metal balls through the first metal wear-resistant part, and the plastic fixing part is in rolling contact with the metal balls through the first metal wear-resistant part. The first metal wear-resistant part is in contact with the metal balls, so that the plastic fixed part and the second plastic sliding part are prevented from being worn by the metal balls, the plastic fixed part and the second plastic sliding part are not easy to damage, and the first plastic sliding part and the second plastic sliding part can respectively rotate relative to the plastic fixed part through the metal balls.
Owner:FUJIAN DELI ELECTRIC CO LTD
Jigsaw table
Owner:FOSHAN SICHANGCHANG TECHNOLOGY CO LTD