CN212699385U - Drum nursing bed - Google Patents
Drum nursing bed Download PDFInfo
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- CN212699385U CN212699385U CN202020197816.9U CN202020197816U CN212699385U CN 212699385 U CN212699385 U CN 212699385U CN 202020197816 U CN202020197816 U CN 202020197816U CN 212699385 U CN212699385 U CN 212699385U
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- bending mechanism
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Abstract
The utility model discloses a cylindrical nursing bed, which comprises an outer bed frame, a rotary cylinder 1, a mechanism supporting plate, an inner bed frame, a leg bending mechanism, an arm bending mechanism, a brake mechanism, an inner bed frame telescopic mechanism and a bed body rotating shaft; the inner bed frame is arranged in the rotating cylinder; the mechanism supporting plate is arranged below the inner bed frame; the leg bending mechanism and the arm bending mechanism are arranged above the mechanism supporting plate; the inner side bedstead telescopic mechanisms are arranged at the left side and the right side of the inner side bedstead; the brake mechanism is arranged on the bed body rotating shaft and is coaxial with the bed body rotating shaft. The utility model discloses a drum nursing bed realizes through automatic, two kinds of manual control mode that left side body, right side body, lie prone, bend leg, bend arm etc. and move, can fully alleviate the old man because the back that long-term lying caused is impaired, can make the whole body of old man relax.
Description
Technical Field
The utility model belongs to nursing apparatus field, concretely relates to drum nursing bed.
Background
With the further aggravation of the aging of the population in China, the demands of domestic hospitals and nursing institutions for nursing medical products are gradually increased. Nursing bed as the necessary medical instrument of hospital and recuperation mechanism, its demand quantity is also constantly being increased, however, current nursing bed function singleness can only realize sitting up, action such as crouching, possess the nursing bed function singleness of above-mentioned mechanism, can not realize lying prone, standing up and move such as, can not effectively alleviate old man back, makes it be in for a long time by the oppression state, and then makes old man back impaired. Therefore, an automatic turning-over cylinder balance bed needs to be designed for use.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims at providing an automatic turning-over cylinder nursing bed. According to the utility model, the automatic turning-over cylinder nursing bed comprises an outer bed frame, a rotating cylinder 1, a mechanism supporting plate, an inner bed frame, a bearing net, a leg bending mechanism, a arm bending mechanism, a brake mechanism and an inner bed frame telescopic mechanism;
the outer bed frame and the rotating cylinder are connected and braked through a transmission mechanism;
teeth are stamped on the rotating cylinder 1;
the number of the rotating cylinders is 4;
preferably, the device also comprises a steel groove at the inner side of the rotating cylinder and a steel plate at the inner side of the rotating cylinder;
the steel groove on the inner side of the rotating cylinder is arranged on the inner side of the rotating cylinder;
the steel plate on the inner side of the rotating cylinder is embedded in the steel groove to ensure that all the rotating cylinders are coaxial;
the outer bed frame is arranged at the bottom of the rotating cylinder;
the inner bed frame is arranged inside the rotating cylinder;
the mechanism supporting plate is arranged at the lower part of the inner side bed frame;
the leg bending mechanism and the arm bending mechanism are arranged on the mechanism supporting plate;
the inner bedstead comprises an inner bedstead cross beam, an inner bedstead side beam and an inner bedstead vertical beam;
the inner side bedstead cross beams, the inner side bedstead side beams and the inner side bedstead vertical beams are all arranged inside the rotating cylinder and are respectively provided with two groups which are symmetrically distributed;
the inner side bedstead cross beam is arranged inside the rotating cylinder, is flush with the end surface of the rotating cylinder and is parallel to the outer side bedstead;
the side beam of the inner side bedstead is of an I-shaped structure, is arranged in the cross beam of the inner side bedstead and can move on the cross beam of the inner side bedstead within a certain range;
the vertical beam of the inner bedstead is T-shaped and is arranged at the upper end of the side beam of the inner bedstead and is vertical to the side beam;
the bearing net is arranged at the upper end of the vertical beam of the inner side bed frame, is horizontally placed and is fixed at the inner side of the rotating cylinder;
preferably, the device further comprises a bearing net slide rail;
the bearing net slide rails are arranged on the left side and the right side of the bearing net, and four corners of the slide rails at the two ends are fixed on the side surface of the telescopic sleeve of the inner bedstead and can slide along the slide rails;
preferably, the bed body bending machine further comprises a transmission mechanism, a motor 1, an inner side bed frame telescopic sleeve, a bed body rotating shaft, a bed body rotating retainer ring, a leg bending mechanism, an arm bending mechanism, a mechanism supporting boss and a belt pulley;
the transmission mechanism is arranged in the middle of the rotating shaft of the bed body and is driven by the meshing of the gear and the teeth on the rotating cylinder;
the motor is arranged on the lateral side of the outer side bedstead;
the motor 1 is arranged in the middle of the mechanism supporting plate;
the leg bending mechanism and the arm bending mechanism are controlled by the motor 1;
the leg bending mechanism and the arm bending mechanism have the same structure on the left side and the right side;
the leg bending mechanism and the arm bending mechanism are connected through a belt;
the mechanism supporting boss is arranged on the mechanism supporting plate
The mechanism supporting boss is used for supporting the connecting shaft;
the connecting shaft is divided into a front end connecting shaft and a rear end connecting shaft, the shape and the structure are completely the same, threads are arranged near the end surface, and nuts are arranged;
a belt pulley is arranged on the connecting shaft;
the belt pulley is arranged in the middle of the connecting shaft at the front end and the rear end and on the rotating shaft of the motor 1 and is used for driving the mechanism to move by the motor 1;
the connecting shaft is arranged in the connecting hole; the connecting hole is arranged in the middle of the mechanism supporting boss;
the front end connecting shaft and the rear end connecting shaft are respectively used for connecting the arm bending mechanism and the leg bending mechanism;
the arm bending mechanism comprises an arm bending rod 1 and an arm bending rod 2;
circular holes are formed in the front end and the rear end of the arm bending rod 1;
the round hole at the front end of the bending arm rod 1 is coaxially connected with the connecting shaft, and the two sides of the bending arm rod are fixed by nuts so as to avoid sliding;
the bent arm rod 2 is cylindrical;
the arm bending rod 2 is coaxially connected with a circular hole at the rear end of the arm bending rod 1, and a sponge protective sleeve is wrapped on the periphery of the arm bending rod;
the leg bending mechanism comprises a leg bending rod 1, a leg bending rod 2 and a connecting rod;
the front end and the rear end of the connecting rod are provided with circular holes;
the circular hole at the front end of the connecting rod is concentrically connected with the rotating shaft of the motor 1;
the circular hole at the rear end of the connecting rod is concentrically connected with the connecting shaft;
the front end and the rear end of the leg bending rod 1 are provided with circular holes;
the round hole at the front end of the leg bending rod 1 is coaxially connected with the connecting shaft;
the leg bending rod 2 is cylindrical and the periphery of the leg bending rod is wrapped with a sponge sheath;
the leg bending rod 2 is coaxially connected with a circular hole at the rear end of the leg bending rod 1;
nuts are arranged on the left side and the right side of the leg bending rod 1 to fix the leg bending rod 1 and prevent the leg bending rod from sliding;
the motor 1 is provided with a belt pulley to drive the leg bending mechanism and the arm bending mechanism to move;
the brake mechanism is arranged in the middle of the rotating shaft of the bed body;
the bed body rotating shafts are arranged on the outer bed frame and are symmetrically distributed;
the inner side bedstead telescopic sleeve is arranged inside the rotating cylinder and is parallel to the upper end of the inner side bedstead vertical beam;
the bed body rotation retainer ring is arranged on the bed body rotation shaft, is coaxially distributed and is tangent to the rotation cylinder to achieve the antifriction effect;
the motor is connected with the bed body rotating shaft through a belt to be used as power source input power;
preferably, the bed also comprises a middle bed board, a left bed board and a right bed board;
the middle bed plate is arranged in the inner side bed frame cross beam and the inner side bed frame side beam;
the left bed board is arranged in the side beam of the inner bed frame and the left vertical beam of the inner bed frame;
the right bed board is arranged in the side beam of the inner bed frame and the right vertical beam of the inner bed frame;
preferably, the bed plate support structure also comprises a bottom bed plate support plate and side bed plate support plates;
the bottom bed plate supporting plate is arranged below the middle bed plate;
the lateral bed plate supporting plate is arranged below the left bed plate and the right bed plate;
4 rectangular grooves are formed in the bottom bed plate supporting plate to provide working radiuses of the leg bending mechanism and the arm bending mechanism;
preferably, the system also comprises an automatic control system and a manual control system;
the automatic control system comprises a motor and a motor 1;
the motor and the motor 1 are both servo motors;
a corresponding PLC program is programmed in the automatic control system;
the manual control system is a manual controller;
the manual control system can change the posture automatically;
compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses break traditional stationary thinking, provide one kind by rotatory drum as can convertible nursing bed that depends on.
2. The utility model provides a nursing bed passes through the upset that PLC control procedure realized nursing bed, can make patient accomplish under the prerequisite that does not leave the bed that the left side stands up, the right side stands up, bends the leg, bends the arm, lies prone and wait the action, both can make the old man fully move about, and lie prone and lie the action and can fully alleviate patient's back fatigue, avoid the back damage.
3. The utility model discloses inboard bedstead curb girder in rotatory drum can remove along inboard bedstead crossbeam direction, can supply with the people of different signs and use.
4. The utility model discloses an automatic, two kinds of control mode of manual can realize automatic control, also can realize that patient regulates and control by oneself according to the self condition.
5. The utility model discloses it is follow-up still can install front and back turnover mechanism additional in order to realize that the function is diversified according to self needs.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings;
fig. 1 is a schematic view of the overall structure of the cylindrical nursing bed provided by the present invention;
FIG. 2 is a schematic view of a partial structure of a cylindrical nursing bed provided by the present invention;
FIG. 3 is a schematic view of a transmission part of the cylindrical nursing bed provided by the present invention;
FIG. 4 is a partial schematic view of the inner frame of the cylindrical nursing bed according to the present invention;
FIG. 5 is a schematic view of the telescopic sleeve of the bed frame inside the cylindrical nursing bed of the present invention;
fig. 6 is a schematic view of a leg bending mechanism and an arm bending mechanism of the cylindrical nursing bed provided by the present invention;
FIG. 7 is a schematic view of different working forms of the cylindrical nursing bed provided by the present invention;
FIG. 8 is a schematic view of different working forms of the cylindrical nursing bed provided by the present invention;
FIG. 9 is a schematic view of different working forms of the cylindrical nursing bed provided by the present invention;
shown in the figure: 0. mechanism supporting plate 1, outer bedstead and footpost 2, bed body rotating shaft 3, inner bedstead vertical beam 4, rotating cylinder 5, inner bedstead telescopic sleeve 6, rotating cylinder inner steel plate 7, rotating cylinder 18, inner bedstead lateral beam 9, bearing net 10, bearing net slide rail 11, bottom bedstead supporting plate 12, bed body rotating retainer ring 13, brake mechanism 14, motor 15, inner bedstead telescopic rail 16, inner bedstead telescopic rail screw 17, inner bedstead telescopic rail nut 18, transmission gear 19, inner bedstead cross beam 20, belt pulley 21, motor 122, belt 23, mechanism supporting boss 24, connecting shaft 25, bending mechanism rod 126, bending mechanism rod 227, bending mechanism rod 128, bending mechanism rod 229, sponge protective sleeve 30, fixing nut 1-1, middle bedstead 1-2, 1-3 parts of left bed board, 1-4 parts of right bed board and side bed board supporting plate
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will help one skilled in the art to further understand the present invention. But are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 and 4, a cylindrical nursing bed comprises an outer bed frame, a rotary cylinder (4), an inner bed frame (3, 8, 19), a leg bending mechanism, a arm bending mechanism, a brake mechanism (13), an inner bed frame telescoping mechanism, and a bed body rotating shaft; the inside frame is disposed inside the rotating cylinder; the mechanism supporting plate (0) is arranged below the inner bed frame; the leg bending mechanism and the arm bending mechanism are arranged above the mechanism supporting plate; the inner side bedstead telescopic mechanisms are arranged at the left side and the right side of the inner side bedstead; the brake mechanism is arranged on the bed body rotating shaft and is coaxial with the bed body rotating shaft; the braking mechanism is actually a set of ratchet mechanism, and when the equipment rotates and works, in order to prevent the equipment from rotating the cylinder excessively due to the inertia effect, the braking mechanism can effectively prevent the cylinder from rotating excessively; the inner side bedstead telescoping mechanism is controlled by manual telescoping, and the inner side bedstead can adjust the inner side bedstead inner space by adjusting the inner side bedstead side beam and the inner side bedstead vertical beam in a certain range.
As shown in fig. 1, 4 and 5, a cylindrical nursing bed further comprises inner side bed frame side beams (8), inner side bed frame vertical beams (3), a bed body rotation retainer ring (12), inner side bed frame telescopic sleeves (5), a bearing net (9) and bearing net slide rails (10); the inner side bedstead side beam (8) is of an I-shaped structure, and the inner side bedstead side beam (8) is arranged in the inner side bedstead cross beam (19) and can move on the inner side bedstead cross beam (19) within a certain range; the inner side bedstead vertical beam (3) is T-shaped and is arranged at the upper end of the inner side bedstead side beam (8) and is vertical to the inner side bedstead vertical beam; the bearing net (9) is arranged at the upper end of the vertical beam (3) of the inner bed frame, is horizontally placed and is fixed at the inner side of the rotating cylinder (4); the bearing net sliding rails (10) are arranged on the left side and the right side of the bearing net (9), four corners of the sliding rails at the two ends are fixed on the side surface of the bed frame telescopic sleeve (5) at the inner side, and the sliding rails can slide along the sliding rails; the bed body rotation retainer ring (12) is arranged on the bed body rotation shaft (2), is coaxially distributed and is tangent to the rotation cylinder to achieve the antifriction effect; the inner bedstead telescopic sleeve (5) is arranged in the rotary cylinder and is parallel to the upper end of the inner bedstead vertical beam (3), and the inner bedstead vertical beam can move in the inner bedstead telescopic sleeve (5); the overlapped part of the inner bedstead telescopic sleeve and the inner bedstead vertical beam is provided with a moving track (15); the moving track is provided with a screw rod (16) and a nut (17) for fixing the inner side bedstead;
when the distance between the bedsteads on the two sides of the inner side bedstead needs to be adjusted, the space in the inner side bedstead is adjusted by moving the side beams on the two sides of the inner side bedstead and the vertical beams on the two sides of the inner side bedstead, and when the adjustment is completed, the inner side bedstead can be fixed by the moving track arranged on the overlapping part of the telescopic sleeve of the inner side bedstead and the vertical beams of the inner side bedstead, the screw and the nut. The outer side of the telescopic sleeve of the inner bedstead is in an arc shape, and the radius of the telescopic sleeve is the same as the inner diameter of the rotary cylinder (4);
as shown in fig. 6, a cylindrical nursing bed further comprises a leg bending mechanism and a plurality of parts in the arm bending mechanism; the parts comprise a mechanism supporting boss (23), a connecting shaft (24), leg bending mechanisms (27, 28), arm bending mechanisms (25, 26), a sponge protective sleeve (29), a fixing nut (30), a motor 1(21), a belt pulley (20) and a belt (22); the leg bending mechanism comprises a leg bending mechanism rod 1(27), a leg bending mechanism rod 2(28) and a sponge protective sleeve (29); the leg bending mechanism and the arm bending mechanism are respectively connected to the front end connecting shaft (24) and the rear end connecting shaft (24); the front end connecting shaft (24), the rear end connecting shaft (24), the motor 1(21) and the middle of the motor are all provided with belt pulleys (20), and the motor 1(21) drives a belt to transmit; the left end and the right end of the connecting shaft are both provided with threads and are provided with fixing nuts (30); the leg bending mechanism and the arm bending mechanism are arranged on the connecting shaft, and the distance between the two ends of the leg bending mechanism and the two ends of the arm bending mechanism can be adjusted within a certain range according to actual needs; the leg bending mechanism and the arm bending mechanism have the same structure on the left side and the right side;
as shown in figure 1, the cylindrical nursing bed also comprises a middle bed board (1-1), a left bed board (1-2), a right bed board (1-3), a bottom bed board supporting board (11) and a side bed board supporting board (1-4); the middle bed plate is arranged in the inner side bed frame cross beam (19) and the inner side bed frame side beam (8); the left bed board (1-2) is arranged in the side beam (8) of the inner bed frame and the left vertical beam (3) of the inner bed frame; the right side bed plate is arranged in the side beam of the inner side bed frame and the right vertical beam (3) of the inner side bed frame; the bottom bed plate supporting plate (11) is arranged below the middle bed plate (1-1); the lateral bed plate supporting plates (1-4) are arranged below the left bed plate (1-2) and the right bed plate (1-3); 4 rectangular grooves are formed in the bottom bed plate supporting plate (11) to provide working radiuses of the leg bending mechanism and the arm bending mechanism;
a cylindrical nursing bed as shown in fig. 7, 8 and 9, further comprising an automatic control system and a manual control system; the automatic control system comprises a motor (14), a motor 1 (21); the motor and the motor 1 are both servo motors;
as shown in fig. 7, 8 and 9, three different working states of the cylindrical nursing bed are respectively a left side body state (fig. 7), a lying state (fig. 8) and a right side body state (fig. 9), a corresponding PLC program is programmed in the automatic control system, and when the automatic control system is in an automatic control state, the equipment can change the three working states at a specified time to achieve an automatic control effect; when the device is in a manual control state, a user can automatically adjust the state of the device through the manual controller according to the actual requirements of the user;
a cylinder care bed as shown in fig. 3 further comprises a transmission mechanism; the power source of the transmission mechanism is that a motor (14) drives a bed body rotating shaft (2) to rotate through a special motor belt, a transmission gear (18) is installed on the bed body rotating shaft, teeth are machined on rotating cylinders 1 and 7 in a certain machining mode, a certain transmission ratio exists between the bed body rotating shaft and the motor when the motor runs, the bed body rotating shaft is driven to rotate in a speed reduction mode, a transmission ratio also exists between the transmission gear installed on the bed body rotating shaft and the rotating cylinder 1, and then the rotating cylinder is further driven to rotate through speed reduction so as to achieve the required purpose; the whole set of equipment is subjected to secondary speed reduction setting, so that the motor can be prevented from being damaged due to too fast rotation of the equipment, and the body of the old can be prevented from being secondarily injured in the nursing process; when the whole set of equipment operates, the leg bending mechanism and the arm bending mechanism also move at the same time.
The above description is only a preferred example of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the scope of the technical solution of the present invention to any simple modification, equivalent change and modification made by the above examples.
To sum up, the utility model discloses accord with industry development demand in aspects such as structural design, practicality completely, and the structure that reveals all has creativity, novelty, practicality, accords with the regulation of utility model patent essential, so the application is mentioned according to law.
Claims (5)
1. A cylindrical nursing bed is characterized by comprising an outer bed frame, a rotating cylinder 1, a mechanism supporting plate, an inner bed frame, a leg bending mechanism, an arm bending mechanism, a brake mechanism, an inner bed frame telescopic mechanism, a bed body rotating shaft, a middle bed plate, a left bed plate, a right bed plate, a bottom bed plate supporting plate and a side bed plate supporting plate;
the inner bed frame is arranged in the rotating cylinder;
the mechanism supporting plate is arranged below the inner bed frame;
the leg bending mechanism and the arm bending mechanism are arranged above the mechanism supporting plate;
the inner side bedstead telescopic mechanisms are arranged at the left side and the right side of the inner side bedstead;
the brake mechanism is arranged on the bed body rotating shaft and is coaxial with the bed body rotating shaft.
2. The cylindrical nursing bed of claim 1, further comprising inner frame side beams, inner frame vertical beams, bed rotation blocking rings, inner frame telescoping sleeves, bearing nets, bearing net sliding rails;
the side beam of the inner side bedstead is of an I-shaped structure, is arranged in the cross beam of the inner side bedstead and can move on the cross beam of the inner side bedstead within a certain range;
the vertical beam of the inner side bedstead is T-shaped and is arranged at the upper end of the side beam of the inner side bedstead;
the bearing net is arranged at the upper end of the vertical beam of the inner side bed frame, is horizontally placed and is fixed at the inner side of the rotating cylinder;
the bearing net slide rails are arranged on the left side and the right side of the bearing net, and four corners of the slide rails at the two ends are fixed on the side surface of the telescopic sleeve of the inner bedstead and can slide along the slide rails;
the bed body rotation retainer ring is arranged on the bed body rotation shaft, is coaxially distributed and is tangent to the rotation cylinder to achieve the antifriction effect;
the inner bedstead telescopic sleeve is arranged inside the rotating cylinder and is parallel to the upper end of the inner bedstead vertical beam, and the inner bedstead vertical beam can move in the inner bedstead telescopic sleeve;
the overlapped part of the inner side bedstead telescopic sleeve and the inner side bedstead vertical beam is provided with a moving track;
the moving track is provided with a screw and a nut and is used for fixing the inner side bedstead;
the outer side of the telescopic sleeve of the inner bedstead is in an arc shape, and the radius of the telescopic sleeve is the same as the inner diameter of the rotary cylinder.
3. The cylindrical nursing bed as claimed in claim 1, wherein the leg and arm bending mechanisms comprise a plurality of sets of parts;
the multiple groups of parts comprise mechanism supporting bosses, connecting shafts, leg bending mechanisms, arm bending mechanisms, sponge protective sleeves, fixing nuts, motors 1, belt pulleys and belts;
the leg bending mechanism comprises a leg bending mechanism rod 1, a leg bending mechanism rod 2 and a sponge protective sleeve;
the leg bending mechanism and the arm bending mechanism are respectively connected to the front end connecting shaft and the rear end connecting shaft;
the front end connecting shaft, the rear end connecting shaft, the motor 1 and the middle part are all provided with belt pulleys, and the belt is driven by the motor 1 to carry out transmission;
threads are arranged at the left end and the right end of the connecting shaft, and fixing nuts are arranged on the threads;
the leg bending mechanism and the arm bending mechanism are arranged on the connecting shaft, and the distance between the two ends of the leg bending mechanism and the two ends of the arm bending mechanism can be adjusted within a certain range according to actual needs;
the left side and the right side of the leg bending and arm bending mechanism are completely the same in structure.
4. A cylindrical care bed as defined in claim 1, wherein:
the middle bed plate is arranged in the inner side bed frame cross beam and the inner side bed frame side beam;
the left bed board is arranged in the side beam of the inner bed frame and the left vertical beam of the inner bed frame;
the right bed board is arranged in the side beam of the inner bed frame and the right vertical beam of the inner bed frame;
the bottom bed plate supporting plate is arranged below the middle bed plate;
the lateral bed plate supporting plate is arranged below the left bed plate and the right bed plate;
4 rectangular grooves are formed in the bottom bed plate supporting plate to provide working radiuses of the leg bending mechanism and the arm bending mechanism.
5. The cylindrical care bed of claim 1, further comprising an automatic control system and a manual control system;
the automatic control system comprises a motor and a motor 1;
the motor and the motor 1 are both servo motors;
a corresponding PLC program is programmed in the automatic control system;
the manual control system is a manual controller;
the manual control system can change the posture by itself.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197816.9U CN212699385U (en) | 2020-02-24 | 2020-02-24 | Drum nursing bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020197816.9U CN212699385U (en) | 2020-02-24 | 2020-02-24 | Drum nursing bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212699385U true CN212699385U (en) | 2021-03-16 |
Family
ID=74904269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020197816.9U Expired - Fee Related CN212699385U (en) | 2020-02-24 | 2020-02-24 | Drum nursing bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212699385U (en) |
-
2020
- 2020-02-24 CN CN202020197816.9U patent/CN212699385U/en not_active Expired - Fee Related
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |