KR102012926B1 - Artificial incubator assembly - Google Patents

Abstract

The present invention relates to an incubator assembly having an automatic egg transfer function that can easily hatch subjects to be hatched which are fertile eggs. The present invention, more specifically, relates to an incubator assembly, comprising a housing; a shelf unit provided in the housing for placing the subjects consisting of various kinds of eggs; a heating unit for raising the temperature in the housing; and an egg transfer unit for automatically rotating the subjects, thereby improving the hatching rate by rotating the subjects for the subjects to receive heat evenly until the hatching is completed.

Description

Incubator assembly with automatic transfer function {ARTIFICIAL INCUBATOR ASSEMBLY}

The present invention relates to an incubator assembly having an automatic egg transfer function capable of easily incubating an incubated object which is a fertilized egg, and more particularly, a housing unit and a shelf unit for placing an incubated object made of various kinds of eggs provided in the housing. It includes a heating unit for increasing the temperature in the housing and an egg transfer unit for automatically rotating the incubation object to the incubator assembly to improve the incubation rate by rotating the incubation object until the incubation is completed to receive heat evenly.

In general, birds such as chickens and ducks incubate fertilized eggs for a certain period of time to break eggs and hatch to produce chicks or ducklings (hereinafter referred to as chicks).

Conventional incubators hatching eggs by incandescent bulbs and heaters inside the incubator body to adjust the temperature using a thermometer to incubate eggs, but this method uses a incandescent bulb and a thermometer to control the temperature, so There was a disadvantage in that it was difficult to maintain, and because the air heated by the incandescent bulb did not circulate in the incubator body, there was a disadvantage in that the eggs did not hatch well within the exact period due to a large temperature difference between the upper and lower parts of the incubator.

Therefore, in order to hatch eggs, the egg transfer function is important, various techniques related to this have been proposed.

Such a prior art is a registered utility model No. 20-0465220 "Incubator",

The prior art proposes an incubator capable of maintaining a constant temperature and humidity irrespective of the position of the incubator, thereby providing an optimal condition for hatching of eggs placed in a tray containing a plurality of eggs.

However, the prior art simply heats evenly to generate eggs from all directions, but when the eggs are biased in one direction, different warmths can only be transferred to the eggs depending on the direction in which the heat is applied. there is a problem.

In addition, there is a prior art Patent No. 10-1669718 "Incubator having a three-dimensional fall angle",

The prior art has a housing having a door that can be opened and closed on the front surface, the housing having a predetermined interior space therein; A rotating shaft installed vertically in the center of the indoor space; An electric transmission driver connected to the rotation shaft to rotate the rotation shaft by a driving motor; A transmission frame having a fixed hole through which the rotating shaft penetrates is formed in the center thereof, connected to the rotating shaft by a frame connecting means, and a guide member on which a plate is loaded at a peripheral portion thereof; The upper surface is formed with an inclined surface is fixed so that the transmission frame penetrated to the rotating shaft to be inclined at a predetermined angle from the horizontal, the bearing coupled to the bottom of the transmission frame is provided with an angle conversion unit provided to surround the outer surface; have.

However, the prior art is to adjust the angle of the egg in the state in which the egg is placed in the incubator, so that evenly receives heat, even if simply adjusting the angle is too difficult to receive even heat, the hatching efficiency is lowered, hatching There is a problem that the chick can fall on completion.

In addition, there is a prior art Patent No. 10-1542693 "multi-learning incubator",

The prior art has a case 210 having an egg shape as a whole, an al connector 220 mounted on one side of the case 210 to input and output data, and a memory storing character information related to the animal in which the egg is hatched ( 230 and a virtual hatching egg 200 including an egg control unit 240 for managing data input and output connected to the al connector 220; A seating space 111 may be provided in which the virtual hatching egg 200 may be disposed. The body connector 112 may be electrically connected to the al connector 220 to input and output data therebetween. The main body 110 is disposed; A main body control unit 120 mounted in the main body unit 110 to execute a multi-learning program for fostering and learning the characters of the virtual hatching eggs 200; A display 130 disposed at one side of the main body unit 110 and outputting the character and a predetermined learning image to a screen window 131 according to a control signal of the main body control unit 120; And an input unit 140 disposed at the other side of the main body unit 110 and generating a learner input signal according to a learner's operation and inputting the input unit 140 to the main body control unit 120.

However, the prior art, unlike the prior art, is not provided with an egg transfer function, which causes a problem that the hatching efficiency is lowered.

Another prior art is the Patent No. 10-1286447 "the shelf structure of the incubator",

The prior art vertical support portion 100 is installed vertically on both sides; A shelf part 200 installed to cross the vertical support part 100; A plurality of main rollers 300 rotatably installed in the plurality of roller shaft receiving grooves 210 respectively provided at the front and rear ends of the shelf part 200; A motor 400 installed at one side of the vertical support part 100 to generate a rotational force; A cam unit 500 connected to the motor 400 to rotate and having an eccentric shaft 510 eccentric from a rotation shaft of the motor 400; A cam connecting part 600 having a long hole 610 formed in an up and down direction coupled to the eccentric shaft 510 of the cam part 500; An endless track rubber belt 700 which passes through the left and right ends of the shelf part 200 and surrounds a part of the upper and lower surfaces of the shelf part 200; And the rubber penetrating the vertical support part 100 and installed in parallel with the shelf part 200, one end of which is coupled to the cam connection part 600 and the other end of which is located on the lower surface of the shelf part 200. A moving member 800 coupled to a belt; and the main roller 300 is brought into close contact with the rubber belt 700 positioned on the upper surface of the shelf part 200, and the motor In accordance with the rotation of the 400, the cam connecting portion 600, the moving member 800 and the rubber belt 700 by the action of the cam 500 repeats the horizontal movement from side to side and in conjunction with the main roller ( 300 shows the shelf structure of the incubator which repeats rotation from side to side.

However, the prior art is that as the roller rotates the egg is in close contact with the roller surface in place, in this case, there is a risk that the eggs collide with each other when the size of the eggs vary, the size of the eggs, such as ostrich eggs If large, a problem that does not rotate by the roller occurs.

Therefore, the present invention has been made to solve the above problems,

Including a housing and a heating unit and a shelf unit that can be placed incubation object provided in the housing, further comprising an eggplant unit on the shelf unit incubator assembly to rotate the incubation object to the left and right to automatically perform the egg transfer function It is intended to provide.

In addition, the egg transfer unit is made of a transfer plate, and further provided with a plurality of guide members in the transfer plate according to the size of the incubation object, the user can selectively combine the guide member to provide an incubator assembly to support the incubation object. The purpose.

Furthermore, another object of the present invention is to provide an incubator assembly capable of maintaining a constant humidity in the housing by further providing a humidity maintaining member at the bottom of the shelf unit.

In order to achieve the above object, the incubator assembly according to the present invention is

A housing having a hatching portion formed therein and a main body having an open front surface, and a door opening and closing the front surface of the main body;

A heating unit including a heating member provided on the hatching unit and a fan provided in the hatching unit to circulate the heat generated by the heating member;

A shelf unit provided in the hatching unit and including a shelf on which an object to be hatched is placed;

An electric transfer unit configured to rotate the hatching object placed on the shelf unit, including an electric transfer plate overlapping the shelf unit and a driving member provided under the shelf unit and sliding the electric transfer plate;

Characterized in that comprises a.

The incubator assembly according to the present invention as described above

In an incubator comprising a housing, a heating unit, and a shelf unit, further comprising an egg unit that is repeatedly movable from side to side in the upper part of the shelf unit. By constantly rotating in the heat of the heating unit can receive the eggs evenly has the effect of improving the hatching efficiency.

In addition, the transfer plate of the egg transfer unit is further provided with a plurality of guide members to enable the user to combine the guide member according to the size of the hatching object, it has the effect that it can simultaneously hatch various kinds of eggs.

In addition, since the humidity holding member is further provided below the shelf unit, the humidity inside the housing, that is, the hatching part can be kept constant, thereby improving hatching efficiency.

1 is a perspective view of an incubator assembly according to the present invention;
Figure 2 is a perspective view of the door open of the incubator assembly according to the present invention
3 is an exploded perspective view of the incubator assembly according to the present invention;
Figure 4 is an embodiment of the egg transfer unit of the incubator assembly according to the present invention
5 is an enlarged view of the coupling of the guide member of the incubator assembly according to the present invention;
6 is a modification of the incubator assembly according to the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Since the present invention may be modified in various ways and have various forms, embodiments (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In each of the drawings, the same reference numerals, in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The member referred to by the reference numeral may be regarded as a member conforming to these criteria.

In addition, in the drawings, the components are exaggerated in size (or thick) in size (or thick) in size (or thin) or simplified in consideration of the convenience of understanding and the like, thereby limiting the scope of protection of the present invention. It should not be.

The terminology used herein is for the purpose of describing particular embodiments (suns, aspects, and embodiments) (or embodiments) only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms “comprises” or “consists” are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, but one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Incubator assembly (A) having an automatic transfer function according to the present invention comprises a housing 10 and the heating unit 20, the shelf unit 30 and the egg transfer unit 40,

The hatching object in the present specification refers to eggs of various animals, such as eggs, duck eggs, quail eggs, etc., it is preferable to be limited to fertilized eggs for hatching, with respect to each configuration for the present invention with reference to the drawings below This will be described in more detail.

First, as shown in FIGS. 1 to 3, the housing 10 includes a main body 11 and a door 13 provided on the front of the main body 11.

The main body 11 is provided with a shelf unit 30, a heating unit 20, an egg transfer unit 40 which will be described later, the inner space of the main body 11 is a space in which hatching is referred to as the incubator 111. Although not shown in the drawing, a heating member (not shown) of the heating unit 20 capable of generating heat is provided on an upper portion of the main body 11, and a plurality of separate parts are provided on an outer surface of the main body 11. The discharge holes 251 and 113 are formed to dissipate heat of each driving device generated by the operation to the outside to prevent overheating.

Furthermore, the front of the main body 11 is provided with a door 13 to open and close the hatching portion 111 of the main body 11, the door 13 is further provided with a see-through window 131 It is preferable that the inside of the hatching part 111 can be visually checked even after the door 13 is closed. Further, a separate sealing member is further provided on the door 13 to prevent internal heat from being released to the outside. In addition, it is obvious that the viewing window 131 is made of a material resistant to heat.

Referring again to each component of the present invention with reference to Figures 1 to 3,

First, the present invention is provided with a heating unit 20 for applying heat to the hatching object (egg) placed on the hatching section 111.

The heating unit 20 includes a heating member (not shown) for dissipating heat, and a fan 23 for circulating heat dissipated in the heating member (not shown) into the hatching unit 111. .

Although not shown in the drawing, the heating member (not shown) is provided on the incubator 111, and various base products such as a hot wire and a hot air fan may be used, and the temperature inside the incubator 111 through a temperature sensor. It is desirable to configure so that the temperature control and temperature check can be performed by the controller.

In addition, a separate fan 23 is further provided on the inside of the hatching part 111 so that the heat dissipated by the heating member (not shown) may be evenly spread inside the hatching part 111. The number and size of can be implemented in various ways.

In addition, it is preferable that the protective cap 25 for protecting the fan 23 is further provided, which means that the fan 23 breaks down or the chick is injured by pecking the fan 23 in a situation where the chick does not see the user after hatching. This is to solve the problem, the protective cap 25 is provided with a plurality of discharge holes (251, 113) so that the wind from the fan 23 can be released into the hatching portion 111 without interference to the outside. To do this.

Again, the hatching unit 111 is provided with a shelf unit 30 so as to place the hatching object, that is, eggs.

The shelf unit 30 may be provided with a plurality of spaced apart from each other overlapping with each other according to the size of the housing 10, but in the drawing shows a single shelf unit 30 for convenience of description, the scope of rights Should not be interpreted as limiting.

The shelf unit 30 is to be made to slide detachable to the hatching portion 111, for this purpose, both sides of the hatching portion 111 is provided with a sliding portion for mounting the shelf unit 30, The sliding part may be formed in a protrusion shape provided on both sides of the incubation part 111, and thus the scope of rights should not be limitedly interpreted.

Again, the shelf unit 30 is composed of a bottom plate 31 and the flange portion 33 provided on both sides of the bottom plate 31, the bottom plate 31 is formed with a plurality of through holes 311 Has a structure.

The through hole 311 is to allow the air generated in the humidity maintaining member 117 to be described later and at the same time to enable the air circulation in the hatching portion 111,

The shelf unit 30 is made so as to be spaced apart from a predetermined distance so as to form a spaced portion 115 from the bottom of the hatching portion 111,

The upper surface of the shelf unit 30 to be placed the hatching object, that is, eggs.

At this time, the hatching object, that is, the egg is preferably provided to be rotatable on the shelf unit 30 to receive heat evenly,

To this end, the present invention is further provided with an egg transfer unit 40 is configured to rotate the hatching object.

In more detail with respect to the egg transfer unit 40,

It includes an electric heating plate 41 overlapping the upper surface of the shelf unit 30, and a drive member 43 provided in the lower shelf unit 30 to move the electric heating plate 41 in the horizontal direction. .

More specifically,

First, the electrical plate 41 is provided on the upper surface of the shelf unit 30, the first and second frame 412 and the second frame to form a rectangular frame made up of a pair to face each other, and the second frame It is coupled to the 412 and comprises a guide member 414 provided side by side between the pair of the first frame (411).

1 to 4, the electric plate 41 is composed of a pair of first frame 411 and the second frame 412, respectively, to form a rectangular frame, at this time adjacent The first frame 411 and the second frame 412 are fastened by a fixing bolt to be described later.

At this time, the second frame 412 is located inside the flange portion 33, the transfer plate 41 is repeatedly moved in the horizontal direction from the upper surface of the shelf unit 30 to move the hatching object. In this case, the length of the second flange is preferably smaller than the length of the flange portion 33.

In addition, the lower surface of the shelf unit 30 is provided with a drive member 43, the drive member 43 is to repeatedly move the electric plate 41 in the horizontal direction automatically,

The drive member 43 is formed of a motor, and is provided with a plurality of supporters 431 connected to the drive shaft of the motor, and an end of the supporter 431 is any one of the pair of first frames 411. It has a structure that is bonded to one.

To this end, a bent coupling portion 411a is formed in the first frame 411 on the left side to be in close contact with the upper surface of the bottom plate 31 of the shelf unit 30 based on the drawing. 411a and the supporter 431 disposed on the lower surface of the shelf unit 30 may be coupled to each other through a separate hinge pin (not shown).

Of course, a long hole 313 in the longitudinal direction is formed in the bottom plate 31 of the shelf unit 30, the hinge pin (not shown) penetrates the bottom plate 31 through the long hole 313 The bent coupling portion 411a of the upper surface and the supporter 431 of the lower surface of the bottom plate 31 may be connected to each other.

Therefore, when the driving member 43 is operated, the hinge pin (not shown) is repeatedly made to move in the horizontal direction along the long hole 313, as a result, the electric transfer plate 41 is the shelf unit ( 30) It has a structure that repeatedly moves in the horizontal direction on the upper surface.

Looking at the structure of the drive member 43 and the supporter 431,

First, the supporter 431 is composed of a first supporter 431 and a second supporter 431.

The first supporter 431 is fixed to the drive shaft of the drive member 43 and the second supporter 431 rotatably coupled to the remaining end of the first supporter 431, the drive shaft is rotated, The first supporter 431 rotates in a circle around a drive shaft, and the end of the second supporter 431 rotates along the other end, and the other end of the second supporter 431 is hinged (not shown). As it moves only in one direction, it has a structure that can be repeatedly moved in the horizontal direction along the long hole 313 naturally.

Of course, alternatively, the cam method or the piston or cylinder may be repeatedly moved, and thus the scope of rights should not be limitedly interpreted.

In addition, the size of the eggs placed on the shelf unit 30 may be various, it may be limited to simply rotate the egg with the above-described egg transfer unit 40.

Therefore, a separate configuration for supporting both sides of the eggs is required, the present invention is solved through the guide member 414, as shown in FIG.

That is, the guide member 414 is provided between the pair of first frames 411 side by side with the first frame 411, as the guide member 414 supports both sides of the eggs. , When the egg transfer unit 40 moves, the egg is repeatedly rolled by the guide member 414, and thus the egg is rotated.

In addition, the present invention is configured to be detachable to the guide member 414, and at this time to form a plurality of fitting grooves (412a) in the second frame 412 to be configured to fit the guide member 414,

This is because the user can be installed by adjusting the width of the guide member 414 according to the size of the egg placed,

Due to this, the present invention has the effect of hatching various kinds of eggs together.

Furthermore, as the shelf unit 30 and the egg transfer unit 40 are detachably configured, the interior of the shelf unit 30 and the egg unit 40 may be easily hygienic.

Humidity can be placed again as one of the important elements of the incubation environment, the inside of the incubator 111 can be dried by heat, the present invention further comprises a humidity maintaining member 117 humidity in the incubator 111 It is configured to adjust.

The humidity holding member 117 is a kind of bowl-shaped housing 10 which the user can easily position under the shelf unit 30. The humidity holding member 117 contains water in the humidity holding member 117 at the bottom of the shelf unit 30. When positioned, the water may be evaporated by heat to naturally control the humidity by supplying moisture to the hatch 111.

6 is related to the fixing bolt for interconnecting the first frame 411 and the second frame 412 mentioned above, the fixing bolt of the present invention has the effect of improving the convenience of assembly as a nut-integrated fixing bolt. .

Hereinafter, the fixing bolts are generally coupled in a horizontal direction, but are shown rotated in a vertical direction for convenience of description. In order to combine them, separate ends of the first frame 411 or the second frame 412 are provided. The bent part is provided and the bent part is coupled to the adjacent first frame 411 or the second frame 412 and should not be limited to this.

As shown in FIG. 6, the nut-integrated fixing bolt 50 of the present invention has a square shape having a bolt body 51 having a head portion 51a on one side, and the same size as that of the bolt body 51. The nut body 52 and the nut body 52 which are rotatably coupled to the left and right at the other end of the bolt body 51 in a square shape, and the nut body 52 is interposed between the nut body 52 and the nut body 52. Consists of an elastic body 53 for elastically supporting the nut body 52 to rotate in one direction (counterclockwise direction) so that the corner portion of the bolt body 51 and the corner portion of the bolt body 51,

When the nut body 52 is rotated in the other direction (clockwise) in the state in which the nut body 52 is inserted into the bolt-shaped fastening hole, the bolt body 51 is fitted into the fastening hole and fastened. The nut body 52 separated from the ball is characterized in that the rotation is returned to one direction is converted to a nut.

Specifically, the bolt body 51 has a hexahedron shape in which no thread is formed on the outer circumferential surface thereof, and has a head portion 51a having a tool groove formed on one surface similar to a general bolt.

The bolt body 51 has a rotating shaft 51a protruding from the other surface, and the rotating shaft 51a is engaged through the nut body 52 to be engaged with the bolt body 51 and the nut body 52. Are rotatably coupled to each other.

In addition, the nut body 52 has a hexahedron shape having the same size (front, rear, right, left width, width, and thickness) as the bolt body 51, and the rotation shaft 51a is fitted into the nut body 52.

The bolt body 51 and the nut body 52 have a receiving groove formed around the rotation shaft 51a, and the elastic body 53 is provided in the receiving groove.

The elastic body 53 is one end 53a is coupled to the bolt body 51 and the other end 53b is coupled to the nut body 52, the elastic force is exerted in the direction in which both ends (53a, 53b) open It's a kind of torsion spring.

Although not shown in the drawings, a locking protrusion is provided between the rotation shaft 51a and the nut body 52 to limit the rotation angle of the nut body 52.

The fixing bolt 50 is the bolt body 51 and the nut body 52 due to the elastic force of the elastic body 53 in the state that the external pressure is not applied to the bolt body 51 (or nut body 52) Rotation in the opposite direction to each other, the rotation angle is limited by the locking projections, each corner portion of the bolt body 51 and the nut body 52 are alternately arranged alternately with respect to the plane.

In addition, a rectangular bolt fastening hole (not shown) provided with the nut body 52 in the first frame 411 and the second frame 412 to couple the first frame 411 and the second frame 412. When inserted in, the bolt body 51 is caught without being inserted into the fastening hole due to the staggered structure of the corner portion.

In this state, when the head 51a is rotated in one direction with a tool such as a driver, both ends 53a and 53b of the elastic body 53 are compressed, and the bolt body 51 is fitted to the square structure of the fastening hole. When the 51a is pressed, the bolt body 51 is fitted into the fastening hole.

When the bolt body 51 is fitted into the fastening hole in this way, the nut body 52 is released from the fastening hole, and both ends 53a of the elastic body 53 are released as the external pressure restricting the rotation of the nut body 52 is released. An elastic force acts to open 53b so that the nut body 52 is rotated and returned to its original position so that the corner portion is intersected with the bolt body 51.

When the fastening of the fixing bolt 50 is completed, the first frame 411 and the second frame 412 is engaged between the head portion 51a and the nut body 52 so that the fixing bolt 50 is fastened to the fastening hole. It can be fixed firmly because it is not separated.

In addition, in the above description of the present invention, the incubator assembly having an automatic transfer function having a specific shape, structure, and configuration has been described with reference to the accompanying drawings. However, the present invention may be modified, changed, and replaced by those skilled in the art. Such modifications, changes and substitutions are to be interpreted as falling within the protection scope of the present invention.

A: incubator assembly 10: housing
11: body 11: hatching unit
113: discharge hole 115: separation part
117: humidity holding member 13: door
131: see-through window 20: heating unit
23: fan 25: protective cap
251: discharge hole 30: shelf unit
31: bottom plate 311: through hole
313: long hole 33: flange
40: egg unit 41: egg plate
411: first frame 411a: bent coupling portion
412: second frame 412a: fitting groove
414: guide member 43: drive member
431: supporter 50: fixing bolt

Claims (4)

A housing 10 having a hatching portion 111 formed therein and having a main body 11 having an open front surface, and a door 13 provided at the front of the main body 11 to open and close the hatching portion 111;
A heating unit 20 including a heating member provided on the incubation unit 111 and a fan provided in the incubation unit 111 to circulate the heat generated by the heating member;
A shelf unit 30 provided in the incubation unit 111 to which an incubation object is placed;
The shelf unit including an electric plate 41 overlapping the shelf unit 30 and a driving member 43 provided below the shelf unit 30 to move the electric plate 41 in a horizontal direction. An egg transfer unit 40 for rotating the hatching object placed on the 30;
Including but not limited to,
The electric transfer plate 41 of the electric transfer unit 40
A pair of first and second frames 411 and 412 formed in a pair so as to face each other and a rectangular frame, and coupled to the second frame 412, between the pair of first frames 411. It comprises a guide member 414 is provided side by side,

The first frame 411 and the second frame 412 are coupled to each other through the fixing bolt 50, respectively,
The fixing bolt 50 is a nut-integrated fixing bolt, a bolt body 51 having a head portion at one side in a square shape, and a square shape having the same size as the bolt body 51 of the bolt body 51. The nut body 52 rotatably coupled to the left and right at the other end, and interposed between the bolt body 51 and the nut body 52 and the corner portion of the nut body 52 of the bolt body 51 It comprises an elastic body 53 for elastically supporting the nut body 52 to rotate in one direction so as to cross the corner,
The bolt body 51 has a hexahedron shape in which a screw thread is not formed on an outer circumferential surface thereof, and a head portion 51a is formed on one surface thereof, and the other side includes a rotating shaft 51a engaged through the nut body 52.
The elastic body 53 is one end (53a) is coupled to the bolt body 51, the other end 53b is made of a torsion spring coupled to the nut body 52 to impart an elastic force in the direction in which both ends,
When the nut body 52 is inserted into a square bolt fastening hole provided in the first frame and the second frame, when the bolt body 51 is rotated in the other direction and pressed, the bolt body 51 is pressed. The incubator assembly, characterized in that the nut body 52 is released from the fastening hole is rotated and returned to one direction while being fitted into the fastening hole. The method of claim 1,
The second frame 412 is formed with a plurality of fitting grooves 412a into which the guide member 414 can be fitted, so that the guide member 414 is formed in any one of the plurality of fitting grooves according to the size of the hatching object. Incubator assembly characterized in that it is fitted. The method of claim 2,
At the bottom of the shelf unit 30
Incubator assembly, characterized in that it is further provided with a humidity maintaining member 117 that can hold water. The method of claim 2 or 3,
The fan 23 is
Incubator assembly, characterized in that the protective cap 25 is further provided with a plurality of discharge holes (251) is formed.

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