KR101625993B1 - Device separating water and foods of foods waste processing device - Google Patents

Abstract

The present invention relates to an apparatus for separating water and food in a food processor and includes a first screw housing 291, a second screw housing 292 and a coupling knob for coupling the first and second screw housings 291 and 292 And a screw housing (290) including a first screw housing (293) and a second screw housing (292), characterized in that the second screw housing (292) further comprises a thallic water and food separating member (294) inserted into the outer circumferential surface of the second screw housing .
In the present invention, water and food separating members are provided on the outer circumferential side of the food waste guide member provided at the distal end portion of the water outlet pipe, so that even if the amount of food waste is large, The food waste does not stay between the outer circumferential surface of the discharge screw and the food waste guide member, so that the odor generated by the food waste inside the housing is not generated and the water and food separation member is severely torn by the food waste Is prevented.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a water separator,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a water and food separating apparatus for a food waste disposal apparatus, and more particularly, It is possible to discharge the entire amount of the food waste even if the amount of the food waste is large so that the outer circumferential surface of the discharge screw and the outer circumferential surface of the food waste guide member And prevents the phenomenon of clogging by the food garbage and prevents the odor from being generated by the food garbage in the housing due to the fact that the food garbage does not stay between the food garbage and the food waste.

Conventionally, Korean Patent Application No. 2004-57627 discloses a food processing apparatus which is connected to a sink of a sink or a sink in a home or a business, and grinds and dehydrates food garbage.

The food processing apparatuses shown in FIGS. 1 and 2 are installed in a lower portion of a sink to filter out food wastes introduced from a sewer pipe into a river stream, and collect the separated food wastes, thereby collecting and collecting them separately through pulverization and dehydration processes .

Such a conventional food garbage disposal apparatus includes a housing 100 connected to a drain hole located at one side or a center of a sink ball of the sink 2 and a crushing unit for crushing food garbage and debris introduced into the sink from the sink A dehydrating unit 300 for moving the ground food waste through the crushing unit 200 to remove water by compressing the dehydrated food waste and a driving unit 400 for driving the food waste, (500) for allowing moisture to escape and allowing the moisture to escape and allowing the dehydrated food waste to be discharged. When the food waste discharged from the outer circumferential surface of the dehydrated net is discharged, only food waste is discharged, And a water and food separating member 530.

The housing 100 is provided with a drain trap 10 connected to a sink table 2 at an upper end thereof and connected to a below-described driving unit 400 in a space 102 formed on a lower side of the drain trap, A pair of crushing rolls 210 and 220 and a dewatering unit 300 are stacked.

Here, the lower part of the installation space 102 is connected to the flow path 120 to allow water contained in the food to flow out in the course of dropping to the crushing and dewatering part. One end of the flow path is connected to the water collecting part 122, And the flow path is in communication with the water outlet pipe 130.

A front plate 110 is installed on a front surface of the housing 100 and a water outlet pipe 130 is assembled to a front side of the front plate. And the water falling down to the water discharge pipe 130 flows through the outflow hole 112 into the flow path 120. The water outlet hole 112 communicates with the water outlet hole 112,

The crushing unit 200 includes a pair of crushing rolls 210 and 220 and scrapers 230 and 240 that scrape the respective crushing rolls to prevent the residue of the food from sticking, The rolls are connected to each other and connected to the driving unit 400 to rotate and interlock.

The drive unit 400 includes a chain 430 and a sprocket 420 as a drive unit and a transmission unit such as a hoisting unit. The drive shaft 411 of the motor has a plurality of sprockets One of which is connected to the crushing unit 200 as described above and the other is connected to the screw shaft 310 of the deodorization unit 300 to transmit the power to each of them.

The scrapers 230 and 240 of the crushing unit are sandwiched between the crushing blades of the crushing rolls 210 and 220 in a state where the scrapers 230 and 240 of the crushing unit are installed in the housing 100 so that the foodstuffs adhered to each other are separated.

The screw shaft 310 is formed by injection molding of a metal or a synthetic resin material. The screw shaft 310 is provided with an inclined portion 312 on the front side, and its opposite side is connected to the driving portion 400 for rotation, 311 project.

A guide blade 313 is provided at an end of the front slope part 312 so as to drop the discharged food waste downward.

The screw 311 has a structure in which the pitch is gradually narrowed from the rear to the front side, and the food moving along the screw is pressed by the interval of the pitch to cause dehydration.

The screw shaft 310 includes a cylindrical net 510 and a tapered net 520. The tip of the tapered net 520 is provided with a water and food separating member 530 And a rear end portion of the nettings is provided with a guide portion 540 for guiding the movement of the nettings. Each of the protrusions 510 and 520 has a plurality of holes 511 and 521 formed therein and each of the holes formed in the cylindrical net has a structure in which the inner diameter of the front hole is sequentially reduced, Food waste is gradually pressurized and dehydrated.

The water and food separating member 530 is a circular annular plate sandwiched between inner peripheries of the end of the water outlet pipe 130 and is made of a rubber material having elasticity or silicon.

The guide portion 540 is formed in the front plate 110 and is configured to guide the movement of the flange 512 formed at the rear end of the cylindrical net and to assemble the flange 512, Guide grooves 513 are formed at regular intervals.

First, the food waste discharged through the sink tray 2 is introduced into the dust collecting rolls 210 and 220 through the drain trap 10, And then flows into the cylindrical net 510 through the inflow hole 140. In this case,

The food waste flowing into the cylindrical net 510 is moved and pressurized by the screw shaft 310 to dehydrate. At this time, depending on the kind of the food waste, the net 510 and 520 are clogged. In other words, solid food materials such as foods, peanut walnuts and crustaceans which are not completely decomposed or have a high fiber content in the pulverization process of food wastes are gradually reduced in volume even when moisture is removed, And the inclined portions 312 of the elastic member 310 to prevent them. When the tip end of the tapered net 520 is clogged, the force for moving forward by the screw 311 conflicts with the accumulated force, so that the whole food garbage is instantaneously moved toward the front side by pulling the nettings.

The food waste discharged from the tapered net 520 is discharged along the outer peripheral surface of the screw shaft 310 through the water and food separating member 530 inserted into the inner peripheral surface of the tip portion 131 of the water outlet pipe 130 The water and food separating member 530 is inserted into the inner peripheral surface of the front end of the water outlet pipe 130 so that a large amount of food waste can not be discharged and the space 531, The garbage is accumulated in the inner peripheral space of the leading end of the tapered net 520, and the garbage is flowed back into the tapered net 520.

Thus, there is a problem that the food waste flows backward and is discharged along with the water to the lower end of the nettings 510 and 520 to generate odor, and the food waste can not be completely discharged.

In addition, the water and food separating member 530 is inserted into the inner peripheral surface of the leading end of the water outlet pipe 130 (see FIG. 2), so that a large amount of food waste can not be discharged, The water and food separating member 530 is greatly widened and severely torn by hard food such as crustacean food such as crab shell, lobster, and shellfish, or hard shell food such as walnuts and peanuts, There is a problem that odor is generated due to falling into the container portion without being mixed with drying, or water is overflowed in the container portion to wet the floor.

Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an apparatus for separating water and food waste in a food processing machine, which prevents breakage or discharge of food waste caused by food waste discharged through a water- .

The apparatus for separating water and food in a food processor according to the first embodiment of the present invention includes a first screw housing, a second screw housing, and a screw housing including a first knob for coupling the first and second screw housings The food processor may further include a water-free and water-separating member inserted into the outer circumferential surface of the second screw housing.

The thimble-type water and food separating member is a thimble-shaped member made of a rubber material or a silicone material having both sides opened and having an elastic force, wherein one opening is coupled to the outer peripheral surface of the conical portion of the second screw housing, And an outer peripheral surface of the discharge screw is connected to an outer peripheral surface of the discharge screw, and an inner peripheral surface of the discharge screw is formed with an engagement groove in a circumferential direction to be engaged with the outer peripheral projection. One protrusion is formed.

According to the water and food separating apparatus of the present invention, the water and food separating member is provided on the outer circumferential side of the food waste guide member provided at the distal end of the water outlet pipe, so that the member pressing on the outer circumferential side of the water and food separating member So that food waste does not stay between the outer circumferential surface of the screw shaft and the food waste guide member, so that odor caused by food waste does not occur inside the housing, It is possible to prevent the food separating member from being severely bent and torn.

1 is a sectional view showing a conventional food processing apparatus.
FIG. 2 is an enlarged cross-sectional view showing a main portion showing a conventional food processing apparatus.
3 is a perspective view showing a food processor according to the present invention.
4 is an exploded perspective view illustrating the food processor shown in Fig.
FIG. 5 is an exploded perspective view showing the separated state of the food processor shown in FIG. 4 from the lower side.
6 is an exploded perspective view showing a water and food separating apparatus of the food waste disposal apparatus of the present invention.
7 is a cross-sectional view showing the food processor of the present invention.
8 is a cross-sectional view showing a state in which the food waste of the present invention is discharged.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

[Example]

3 is a perspective view showing a food processor according to the present invention.

3, the outer appearance of the food processor 1 according to the present invention includes an inlet housing 100, a main body housing 200, and a container unit 300.

The inlet housing 100 is a portion into which food to be treated flows.

4 and 5) for cutting the food and a transfer unit (see FIG. 4) for transferring the cut food are accommodated in the main body housing 200.

The main body housing 200 forms a space for receiving moisture discharged from the cut food to be discharged to the outside and a blowing part 250 for preventing odors from entering the room.

The container unit 300 is a space in which the food conveyed by the conveyance unit 200 is finally received.

A motor housing 400 in which a driving motor (not shown) for driving the cutter 210 and the transferring unit 220 is accommodated is installed at one side of the main body housing 200.

The inlet housing (100) is formed with an inlet (110) through which the food is introduced.

At the center of the inlet 110, there is provided a structure for preventing a large amount of food from entering at once.

That is, a protrusion 111 protruding by a predetermined length toward the center of the inlet is provided.

The protrusions 111 are provided in plural, spaced apart from each other, and formed facing each other.

The space between the protrusions 111 is formed narrower than the other spaces. The protrusions 111 are provided with a metal or rigid reinforcing portion 112 made of a hard material.

Accordingly, when the user puts a large volume of food into the mouth and presses it, the food comes into contact with the protrusion 111 and the strength reinforcement 112, and eventually becomes separated or partly broken.

Therefore, it is prevented that a large amount of food is introduced at once to block the cutting portion or to be subjected to a large load.

In addition, it prevents the hand from entering the inlet 110 during use of the food processor and prevents the injury from being injured. The length of the strength reinforcing portion 112 is set long or short to adjust the amount of food input.

On the other hand, the remote control pushing member 500 is provided so that the user can insert the food into the entrance and cut it easily.

One end of the remote control pushing member 500 is provided in the form of a dome 510 and a push switch 520 is provided at the end of the dome 510 and an opening 530 is provided at the opposite side thereof.

And a space portion 531 connected to the opening portion 530 is provided on the side surface thereof.

A space is formed at the edge of the opening portion 530 by the space portion 531.

The space of the rim of the opening part 530 corresponds to the shape of the protrusion 111.

Accordingly, when the user presses the food using the remote control pushing member 500, the end portion thereof deeply enters the inlet 110, and the food can be effectively moved to the cutting portion 210.

On the other hand, if the user touches the dome 510 portion on the sink top plate, that is, the portion where the reed switch is attached under the sink top plate, the food processor 1 is operated.

This is provided for controlling the food processor 1 remotely.

Various switch parts 600 are provided on one side of the main body housing 200 so as to issue an operation command.

4 and 5 are exploded perspective views of the food waste disposer 1 according to the present invention.

Figure 4 is from above, Figure 5 is from below.

Below the inlet housing 100, there is provided a guide housing 120 for guiding the inflow of food.

The guide housing 120 has a circular upper coupling portion 121 coupled to the lower portion of the inlet housing 110, a passage portion 122 below the circular coupling portion 121, and a lower coupling portion 123 beneath the circular coupling portion 121.

The lower engaging portion 123 is engaged with the inner housing 260 inserted in the first body housing 201.

The inner housing 260 includes a first inner housing 261 and a second inner housing 262.

The first inner housing 261 is received in the second inner housing 262 and the outer wall of the first inner housing 261 and the outer wall of the second inner housing 262 are spaced apart from each other by a predetermined distance.

In the first inner housing 261, a cutter 210, which is realized by two rotary cutter assemblies 211 and 212, is rotatably disposed.

The first inner housing 261 is provided with two support holes 2611 and 2612 for supporting one end of the rotary cutter assemblies 211 and 212.

Meanwhile, a coupling plate 270 is provided on one side of the first inner housing 261.

The other end of the rotary cutter assemblies 211 and 212 is supported on the coupling plate 270 while the support holes 271 and 272 are formed to support the gears coupled to the other end.

The two rotary cutter assemblies 211 and 212 rotate with each other to cut food.

A transfer part 220 is provided below the cut part 210.

The transfer unit 220 is implemented as a conveyance screw having a predetermined length.

A part of the transfer part 220 is accommodated in the inner housing 260, and the rest is located outside thereof.

The role of the transferring part 220 is to transfer the food material that has been cut off from the cutting part 210 to the outside of the inner housing 260

To this end, the conveying unit 220 is formed as a screw, and when the conveying unit 220 rotates, the food is discharged to the outside of the inner housing 260.

When food is moved while the feeding unit 220 rotates, the food is squeezed between the feeding unit 220 and the inner housing 260 to remove moisture.

The moisture removed from the food falls to the bottom of the first inner housing 261 and then to the bottom of the second inner housing 262, and is discharged outside when the water level exceeds a certain level.

The exhaust structure of the water removed from the food will be described later.

The first inner housing 261 and the second inner housing 262 are formed with a transfer space in which the transfer unit 220 is disposed.

The through holes 2613 and 2623 are formed at one side of the transfer space.

A lower portion of the first inner housing 261 is provided with a water discharge portion 264 having numerous small holes.

Moisture may be cut off by the cutting portion 210 or may be discharged from the food conveyed by the conveying portion 220.

This moisture exits through the water discharge portion 264 and accumulates in the lower portion of the second inner housing 262.

On the other hand, since the hole of the water discharge portion 264 is very small, the cut food can not move to the lower portion of the second inner housing 262.

The guide housing 120, the inner housing 260, the screw housing 290, and the blowing unit 250 are accommodated in the main body housing 200.

The main body housing 200 includes a first main body housing 201 and a second main body housing 202 disposed next thereto.

A container unit 300 is provided below the second body housing 201. A coupling ring 301 is preferably provided between the second body housing 201 and the container unit 300. [

A motor housing (400) is disposed on the side of the first main housing (201).

The motor housing 400 is provided with a gear connected to the cut-out portion 210 and a drive motor for transmitting power to the gear connected to the transfer portion.

A foreign matter removing tool 280 is provided between the water discharge portion 264 in the form of a sieve provided in the first internal housing 261 and the water collecting chamber 2624 in the second internal housing 262.

The foreign material removing tool 280 is formed in a V shape.

This prevents the hole from being clogged by scraping foreign objects protruding outwardly by being pinched in the hole of the water discharge portion 264 and preventing the hole between the water collecting chamber 2624 and the drainage passage 2625 from being clogged with foreign matter It has two functions.

The foreign material removing tool 280 can move the operating tool 288 such as a predetermined operating rod or rod.

Thereby, the outer circumferential surface of the water discharging portion 264 is linearly moved between the water collecting chamber 2624 and the drain passage 2625, that is, the channel portion.

A part of the outer surface of the foreign material removing tool 280 directly contacts the outer circumferential surface of the water discharge portion 264, and a part thereof is located in the middle of the channel portion.

Therefore, when the foreign object removing tool 280 is pushed into the hole and pushes the protruding foreign matter, the foreign matter can be removed and the blind hole can be pierced, and the drain path between the water collecting chamber 2624 and the drain passage 2625 can be pierced.

On the other hand, one end of the transfer unit 220 may protrude to the outside of the inner housing 260 through the through holes 2613 and 2623.

The transfer unit 220 is realized by a rotary shaft 221, a transfer screw 222 that is coupled to the rotary shaft in multiple stages, and a discharge screw 223 formed in a tapered shape.

One end of the rotating shaft 221 is exposed to the outside, and the gear portion is coupled to that portion, and can be rotated by the operation of the driving motor.

The conveying screws 222 are provided in a multistage form and are coupled to each other, and a spiral rib 2221 is formed on the outer peripheral surface thereof.

The discharge screw 223 has a stepped spiral step 2231 formed on the outer peripheral surface thereof.

By this step portion 2231, the food can be pushed out in the discharge direction.

That is, the discharging force can be concentrated in the discharging direction without being dispersed.

The transfer part 220 exposed to the outside of the inner housing 260 is received by the screw housing 290.

The structure of the screw housing 290 includes a first screw housing 291 and a second screw housing 292 and a coupling knob 293 for coupling the first and second screw housings 291 and 292 .

The first screw housing 291 is in the shape of a short circular tube, and a screw thread 2911 is formed on the outer circumferential surface thereof. This is for coupling with the coupling knob 293

The threaded portion of the first screw housing 291 is received and fixed within the inner housing 260 and the portion of the threaded portion 2911 is located outside the inner housing 260 through the through holes 2613 and 2623 .

The second screw housing 292 is partially received within the first screw housing 291.

The second screw housing 292 includes an insertion portion 2921 having a constant diameter and a tapered conical portion 2922 whose diameter is narrowed toward the exit direction.

A locking protrusion 2923 is provided between the insertion portion 2921 and the conical portion 2922.

When the second screw housing 292 is inserted into the first screw housing 291, the insertion portion 2921 is inserted but the latching jaw 2923 is hooked so that the conical portion 2922 is inserted into the first screw housing 291 Lt; / RTI >

When the engaging knob 293 is inserted into the second screw housing 292 in this state, the engaging knob 293 is engaged with the engaging step 2923 and is coupled to the thread 2911 of the first screw housing 291 .

Thereby, the screw housing 290 is coupled to the inner housing 260.

The outlet 2924 of the second screw housing 292 is oriented toward the container portion 300.

Thus, the food transferred by the transfer unit 220 exits the outlet 2924 and finally accumulates in the container.

On the other hand, a blowing part 250 is provided above the screw housing 290.

The blowing part 250 is provided for drying food to prevent the food stored in the container part 300 from coming out of the inner housing 260 to be decayed or smelling.

In the case of moisture, it is discharged along a drain pipe 2627 directly connected to the sewer. The blowing section 250 allows the odor to be discharged together with the moisture toward the drain pipe 2627.

The blowing section 250 includes a fan housing 251 disposed next to the inner housing 260, a fan 252 inside the fan housing, and a fan motor 253 disposed above the fan housing 251.

The blowing section 250 also includes a blowing pipe 254 connected to the outlet of the fan housing 251.

The blowing pipe 254 is connected to the check valve 255 and the check valve 255 is connected to the drainage flow path 2625 provided in the second inner housing 262.

As a result, the wind traveling to the blowing pipe 254 and the check valve 255 through the blowing fan 252 is discharged to the outside through the drainage flow path 2625.

The check valve 255 is opened by the blowing pressure when the dishwashing operation is not performed, so that the blowing air for drying is discharged to the sewer through the drainage flow path 2625. During the washing operation, the check valve 255 is closed by the water pressure, (254) is prevented.

As described above, the screw housing 290 includes a first screw housing 291, a second screw housing 292, and a coupling knob for coupling the first and second screw housings 291 and 292 293).

The first screw housing 291 is in the shape of a short circular tube, and a screw thread 2911 is formed on the outer circumferential surface thereof. This is for coupling with the coupling knob 293

The threaded portion of the first screw housing 291 is received and fixed within the inner housing 260 and the portion of the threaded portion 2911 is located outside the inner housing 260 through the through holes 2613 and 2623 .

The second screw housing 292 is partially received within the first screw housing 291.

As shown in FIGS. 6 to 8, on the outer circumferential surface of the second screw housing 292, a thallic water and food separating member 294 is inserted.

The second screw housing 292 is a conical tubular member having an insertion portion 2921 having a constant diameter at one end and inserted into the inner circumferential surface of the first screw housing 291, A protruding protrusion 2923 protruding in an outer circumferential direction between the insertion portion 2921 and the conical portion 2922 and a protruding protrusion 2923 protruding from the outer circumferential surface of the end portion on the outlet side of the conical portion 2922, And an outer peripheral projection 2925 protruding from the outer peripheral surface of the outlet 2924 to be engaged with the inner peripheral surface of the water and food separating member 294.

The water and food separating member 294 is a thimble-shaped member made of a rubber material or a silicone material having both sides opened and having an elastic force. The one opening 2941 is a conical portion of the second screw housing 292 2922 and the other opening 2942 is in contact with the outer circumferential surface of the end portion of the discharge screw 223 and the inner circumferential surface thereof has an engaging groove formed in the circumferential direction to be engaged with the outer circumferential projection 2924, One protrusion 2944 for dropping the food waste attached to the end of the discharge screw 223 to the lower tray is formed outside the other opening 2942.

When the second screw housing 292 is inserted into the first screw housing 291, the insertion portion 2921 is inserted, but the latching jaw 2923 is caught so that the conical portion 2922 is inserted into the first screw housing 291, And is exposed to the outside.

Thus, by providing the water and food separating member on the outer circumferential side of the food waste guide member provided at the distal end of the water outlet pipe, there is no pressing member on the outer circumferential side of the water and food separating member, so that even if the amount of food waste is large, The food waste does not stay between the outer circumferential surface of the screw shaft and the food waste guide member, so that odor caused by the food waste does not occur inside the housing, and the water and food separation member is severely torn by the food waste .

When the engaging knob 293 is inserted into the second screw housing 292 in this state, the engaging knob 293 is engaged with the engaging step 2923 and is coupled to the thread 2911 of the first screw housing 291 .

Thereby, the screw housing 290 is coupled to the inner housing 260.

The outer circumferential protrusion 2925 of the second screw housing 292 is disposed to face the container portion 300.

The food waste pulverized by the rotation of the discharge screw 223 is pushed out between the outer peripheral surface of the discharge screw 223 and the other opening 2942 of the water and food separating member 294, The member 294 is made of a flexible material, and the food waste is discharged as the other opening 2942 opens outward.

Since the water and food separating member 294 does not have a pressing member on the outer circumferential side thereof, the entire amount of food waste is discharged even if the amount of the food waste is large. Therefore, the outer circumferential surface of the discharge screw 223 and the conical second screw housing 292 Food waste does not stay in between.

The food conveyed by the conveying unit 220 is then discharged from the outlet 2924 and finally accumulated in the container unit.

Reference numeral 202a in FIG. 7 denotes a plurality of magnets, 202b denotes a contact switch, 301a denotes an annular iron core, and 2231c denotes an inclined cutting face.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. And will be included in the described technical idea.

292: second screw housing 2921:
2922: conical part 2923:
2925: peripheral protrusion 294: irregular water and food separating member
2941: one-side opening 2942:
2944: one projection

Claims (3)

(290) including a first screw housing (291), a second screw housing (292) and a coupling knob (293) for coupling the first and second screw housings (291, 292) In this case,
The second screw housing 292 is a conical tubular member having an insertion portion 2921 inserted into the inner circumferential surface of the first screw housing 291 at a constant diameter at one end;
A conical portion 2922 whose other end is narrowed in the direction of the outlet;
An engaging protrusion 2923 protruding in the outer circumferential direction between the insertion portion 2921 and the conical portion 2922;
And an outer peripheral projection 2925 projecting from the outer peripheral surface of the outlet end of the conical portion 2922 and projecting to the outer peripheral surface of the outlet 2924 to be coupled with the inner peripheral surface of the water and food separating member 294;
A water-free and water-separating member 294 is inserted into the outer circumferential surface of the second screw housing 292;
The water and food separating member 294 is a thimble-shaped member made of a rubber material or a silicone material having both sides opened and having an elastic force. One opening 2941 is formed in the conical portion 2922 of the second screw housing 292 );
The other opening 2942 is in contact with the outer circumferential surface of the end portion of the discharge screw 223, and an inner circumferential surface thereof is formed with an engaging groove in the circumferential direction to engage with the outer circumferential projection 2925;
And one protrusion 2944 for dropping the food waste attached to the end of the discharge screw 223 to the lower tray is formed on the outer side of the other opening 2942. [ Device.









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