JP2830631B2 - Refrigerator door opening and closing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator door opening / closing device having a lower edge pivotally connected thereto and rotating vertically.

[0002]

BACKGROUND ART FIGS. 12 to 14, for example, real-Open No. 3-1
FIG. 8 is a view showing a conventional refrigerator door opening / closing device disclosed in Japanese Patent No. 8488. In the figure, (1) is the refrigerator body, (2) is the door body, (3) is the arm for the door stopper, and the inner box (4) and the door body
(2) is connected to the back side (5). (6) is a hinge provided on the lower side of the refrigerator main body (1). The door hinge (7) fixed to the lower side (9) of the door main body (2) is engaged with a hinge pin (8). (10) is a stopper, and (11) is an arm support.

Next, the operation will be described. The door body (2) is the hinge pin of the hinge (6) provided on the lower side of the refrigerator body (1).
Open and close using (8) as an axis. A door hinge (7) fixed to the lower side (9) of the door body (2) is engaged with the hinge pin (8), and connects the refrigerator body (1) and the door body (2). When opening the door body (2) and reaching a certain opening angle, the back side of the door body (2) (5)
A stopper (10) provided at the end of the arm (3) connecting the inner box (4) to the arm support (1) fixed to the side of the inner box (4).
1) and the door body (2) stops.

[0004] Figs. 15 to 18 also show actual open flat tires 3-18.
488 is a diagram showing a conventional refrigerator door opening and closing device shown in JP-A-488, where (31) is a refrigerator body, (32) is a horizontal partition wall provided in the refrigerator body (31), ( 33) is a vertical middle partition wall provided in the refrigerator body (31), and a horizontal middle partition wall.
(32) and vertical inner partition (33), inner box consisting of freezer compartment
(34), a freezer compartment (34a) and a refrigerator compartment (35) are formed.
(36) is a door whose lower end is pivotally attached to the lower edge of the inner box (34), (36a)
Is a door whose lower end is pivotally connected to the lower edge of the freezer compartment (34a), (37) is a door whose lower end is pivotally connected to the lower edge of the refrigerator compartment (35), and (38) is an inner box.
An access port formed in the front of (34), a fan (39) for circulating cold air and a push button switch of an interior light (not shown),
It is provided on the upper edge of the doorway (38). (39a) is the push button of the push button switch (39), (40) is the case of the push button switch (39), (41) is the inner plate fixed to the door (36) with polyurethane foam heat insulating material (not shown), (42) ) Is a door gasket attached to the periphery of the door (36) to prevent cold air leakage, (43) is one end on the side of the inner box (34), and the other end is on the inner plate (41) of the door (36). Each of the pivoted arms is pivoted, and when the door (36) is opened, the door (3
6) Functions as a stopper that keeps the horizontal position.

[0005] The conventional refrigerator door opening and closing device shown in Figs. 15 to 18 is constructed as described above. When the door (36) is closed, the push button (39a) of the push button switch (39) is set inside the door (36). The plate is pushed by the plate (41) and displaced from the chain line position shown in FIG. 17 to the solid line position, the fan for cooling air is energized, and the interior lamp is kept deenergized. Also, as shown in FIG. 18 , when the door (36) is open, the inner plate (41) of the door (36) separates from the push button (39a), and the push button (39) is built in by a built-in spring (not shown). 39
a) returns to the protruding position, the fan for cooling air is deenergized, and the interior lamp is maintained in an energized state.

FIG. 19 also shows a conventional refrigerator door opening / closing device, in which (31) is a refrigerator main body, (32) is a horizontal partition wall provided in the refrigerator main body (31), 33) is a vertical middle partition wall provided in the refrigerator body (31), and a horizontal middle partition wall.
(32) and vertical inner partition (33), inner box consisting of freezer compartment
(34), a freezer compartment (34a) and a refrigerator compartment (35) are formed.
(36) is a door having a lower end pivotally connected to the lower edge of the inner box (34), (38) is an access opening formed in the front of the inner box (34), and (43) is one end of the inner box (34). ), The other end is a bending arm pivotally connected to the inner plate (41) of the door (36), and functions as a stopper for holding the door (36) in a horizontal posture when the door (36) is opened. (61) is a movable container consisting of an ice storage box placed in the inner box (34), the front edge of which can be attached to and detached from the middle part of the link near the door (36) inner plate (41) of the bending arm (43) Is pivoted to.

The conventional door opening / closing device for a refrigerator shown in FIG. 19 is constructed as described above. When the door (36) is closed, the bending arm (43) is folded and housed in the inner box (34). Also, when the bending arm (43) is folded, the movable container (61) becomes an inner box.
It is arranged at the retired position in (34). The movable container (61) moves to the forward position with respect to the inner box (34) by the extension of the bending arm (43) due to the opening operation of the door (36).

[0008]

The conventional refrigerator door opening / closing device shown in FIGS. 12 to 14 is constructed as described above, so that mechanical parts such as arms are exposed in the refrigerator.
Impair designability, actual use space in the refrigerator is also intended only available about the dimension B as shown in FIG. 14, also,
Since the hinge is only supported by the shaft, when the door body is opened, the door opens in the falling direction and accelerates and opens.The impact on the stopper is quite large, and the door stop sound is very loud. There was a point.

In the conventional refrigerator door opening / closing device shown in FIGS. 15 to 18 , the push button switch (39) is disposed near the entrance (38) in the inner box (34).
The case (40) of (39) protrudes into the inner box (34), and the available space is reduced. In addition, malfunction due to icing in the push button switch (39), the pressing force of the push button (39a) is limited to the closing force at the upper edge of the door (36) due to the magnetic force of the door gasket (42) of the door (36), There is a problem that the function of the refrigerator is impaired because the pressing force is not sufficient and the push button switch (39) is malfunctioning or the door (36) is incompletely closed due to the reaction force of the built-in spring of the push button (39a). there were.

Further, in the conventional refrigerator door opening and closing apparatus shown in FIG. 19 , the inner box (34) and the inner plate (41) are required for mounting the bending arm (43). (43) The number of parts itself is large, and the production is troublesome. In addition, since the bending arm (43) is provided in the inner box (34), there is a problem that the effective space for the inner box (34) is reduced and the appearance is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a door opening / closing apparatus for a refrigerator which does not have a functional obstacle caused by a mounting position of a push button switch pressed when the door is closed. Is aimed at .

[0012]

In a door opening and closing device for a refrigerator according to the present invention, a door is provided at a front surface thereof.
Inner box to be cooled, lower end pivotally attached to lower edge of doorway
It pivots through the horizontal axis to open and close,
A door whose lower end near the box is displaced upward and a lower edge of the doorway
Provided below the lower end of the door when closed
Push button switch, one side provided on the lower edge of the door
Is pivoted to the lower edge, and the upper part on the other side faces the lower end face of the door.
And the lower part on the other side is placed facing the pushbutton of the pushbutton switch.
And a pressing mechanism having an inclined cam .

A refrigerator door opening and closing device according to the present invention.
In the lower edge of the lower edge of the door of the refrigerator body
Door body that is pivotally mounted and pivots via a horizontal axis to open and close
And both the movable side and the fixed side are engaged in series with each other.
And the length is arranged along the length of the lower side of the door body.
One of the above is located at the lower edge of the doorway and the other is a door.
Each is held by the main body, and specified for relative rotation between the two
Damper that requires high torque and damper that is cylindrical
Is inserted along the length of the lower side of the door body.
And a damper cover mounted in a buried state .

A refrigerator door opening and closing apparatus according to the present invention.
In, the stator provided at the lower edge of the door opening and disposed opposite to the lower end of the door, a curved shape along an arc centered on the pivot axis of the door, the lower end of the door An elastic body which is fixed and is rotated and displaced with the opening / closing operation of the door, elastically deforms at least when the door is closed, and engages with the stator is provided.

[0015]

In the refrigerator door opening / closing device according to the present invention, a push button switch provided at the lower edge of the access port of the inner box is pressed via a pressing mechanism when the door is closed. Further, a damper fitted into the cylindrical cover is mounted on the lower end surface of the door body in a buried state.

In addition, the operation of the closed door in the opening direction is restricted by the elastic body being elastically deformed and engaging with the stator at the lower edge portion of the access opening .

[0017]

[Embodiment 1] 1 to 4 show an embodiment of the present invention. The components other than FIGS. 1 to 4 are the same as those of FIGS. 15 to 18 . 1 to 4 , (31) is a refrigerator main body, (32)
Is a horizontal partition provided in the refrigerator body (31), (33) is a vertical partition provided in the refrigerator main body (31), the horizontal partition (32) and the vertical partition ( 33) forms an inner box (34) composed of a freezer compartment. (36) is a door whose lower end is pivotally attached to the lower edge of the inner box (34), and (36b) is a concave portion (36c) near the inner box (34).
The lower end surface of the door (36) provided with
(38) is a doorway formed in the front of the inner box (34), (38a) is a lower edge of the doorway (38),
(38b) is a retreat portion provided on the lower edge portion (38a), (39) is a fan for cold air circulation and a push button switch of an interior light (not shown), and a double push button (39a), a push button (39) 39b) is provided and the mounting flange (39c) is attached to the access port (38).
8b) and are arranged to be flush with the lower edge (38a) surface. Note that the push button (39b) is a push button for a fan for circulating cool air by opening and closing the door (37) of the refrigerator compartment (35) and an interior light (not shown).

Reference numeral (40) denotes a case of the push button switch (39), and (44) denotes a pressing mechanism, which is provided with a positioning pin (45) which fits into a hole in the lower edge (38a) of the access port (38). One side is pivotally connected to the bearing (47) by a bearing (47) fastened to the lower edge (38a) of the outlet port (38) with a screw (46) and a shaft (48) having a slit and a stopper for retaining. , The upper end (49) on the other side is the lower end of the door (36)
The lower end (50) of the other side is arranged to face the concave portion (36c) of (36b).
Is constituted by a cam (51) arranged opposite to the push button (39a) of the push button switch (39).

In the refrigerator door opening / closing device configured as described above, the upper edge of the cam (51) is arranged horizontally as shown in FIG. 10 when the door (36) is closed. ing. In addition, the distance between the door (36) and the door (37) of the refrigerator compartment (35) can be reduced by a distance corresponding to the depth of the concave portion (36c) of the lower end surface (36b) of the door (36), and the appearance can be reduced. It is considered to improve.

When the door (36) is separated from the access port (38) as shown in FIG. 4 , the push button (39a) projects to a predetermined position by the built-in spring of the push button switch (39), and the built-in spring the lower end of the cam (51) by the pressing force (50) is rotated in the direction of arrow E shown in FIG. In this state, there is no pressing force acting on the push button (39a), the fan for cold air circulation using the contact a (not shown) is deactivated, and the interior lamp using the contact b (not shown) is activated. Is done. And the upper end (49) of the cam (51)
By setting the position where the concave portion (36c) of the lower end surface (36b) of the door (36) hits in an appropriate position, malfunction of the push button (39a) can be prevented.

When the door (36) closes the access port (38) as shown in FIG. 3 , the concave portion of the lower end surface (36b) of the door (36) is closed.
(36c) presses the upper end (49) of the cam (51) until the upper edge of the cam (51) becomes horizontal. The cam (5
While the lower end (50) of 1) goes from opening the door (36) to closing it,
As shown in FIG. As a result, the tip of the push button (39a) of the push button switch (39) is gradually pushed from the position shown by the dashed line in FIG. 3 to the position shown by the solid line, so that the fan for cold air circulation using the a contact is energized. The interior light using the b contact is deactivated. Then, the pressing force in the direction opposite to the arrow F to the lower end (50) of the cam (51) by the restoring force of the built-in spring of the push button switch (39) is such that the upper end (49) of the cam (51) is It is reliably supported by hitting the concave portion (36c) of the lower end surface (36b). In addition, since the pivoting member at the lower end of the door (36) and the pressing mechanism (44) are arranged close to each other, the rotational moment force is large and the door (36) is incompletely closed,
The occurrence of a so-called half-door state can be prevented.

[0022] In the examples of FIGS. 1-4, the inner box
It is possible to prevent the occurrence of the half-door state without reducing the effective use space of (34) and without deteriorating the appearance. Further, since the conventional push-button switch for the lateral opening / closing type refrigerator can be diverted, there is no need to newly develop a push-button switch dedicated to the freezer compartment, and the reliability can be improved and the short-term equipment can be developed.

Embodiment 2 FIG. 5 to 8 show another embodiment of the present invention.
In the figure, (1) is a refrigerator body, (2) is a door body, and (12) is a damper provided on the lower side (9) of the door body (2) and requiring a predetermined torque for rotation. (12a) and a fixed side (12b), which are set on a cover (52), and the cover (52) is fixed to the lower side (9) of the door body (2) with screws (14). The tip of the movable side (12a) of the damper (12) is the hole (52a) of the cover (52).
The movable side (12a) shaft is supported and fixed to the door body (2). As shown in FIG. 13, the fixed side (12b) is inserted into and engaged with the recess (15a) of the hinge (15) installed at the lower edge (38a) of the access opening (38) of the refrigerator body (1). , Refrigerator body
(1) is supported and fixed. (16) is an auxiliary hinge, is installed in the refrigerator body (1) has a hinge pin (8) provided in this auxiliary hinges (16) engaged in Hinjiata' switch provided in the door body (2).

As shown in FIGS. 7 and 8 , the cover (52) has a cylindrical opening for inserting the damper (12), and is formed so that the area of this opening is minimized. This allows
The outer shell of the cover (52) fits tightly with the wall of the recess (20) on the lower side (9) of the door body (2) against the strong rotational torque generated when the door body (2) opens and closes. Thus, a rotational torque is received by the joint surface. Note that (52b) is a slimy portion of the meat so that the cover (52) does not become thick. Incidentally, other 5 to 8 is constructed in substantially the same manner as FIGS.

In the refrigerator door opening / closing device constructed as described above, the door is opened around the axis of the hinge pin (8) of the auxiliary hinge (16) on the lower side (9) of the door body (2) and the damper (12). The main body (2) rotates and opens and closes. In addition, damper (12)
Is supported by inserting the fixed side (12b) into the concave portion (15a) of the hinge (15), and is supported by inserting the movable side (12a) into the hole (52a) of the cover (52). ), A twisting force acts when the door body (2) is opened and closed. The damper (12) is filled with high-viscosity oil and generates rotational resistance between the movable side (12a) and the fixed side (12b) .When the door body (2) is opened, the opening speed is almost constant. You can stick to it.

As described above, also in the embodiment shown in FIGS. 5 to 8 , the lower edge of the door body (2) is pivotally connected to the refrigerator body (1) via the damper (12). Therefore, although detailed description is omitted, it is clear that the same operation as the embodiment of FIGS. 1 to 4 can be obtained in this embodiment. In addition, the cover (52) for mounting the damper (12) in the recessed state (20) of the lower side (9) of the door body (2) is formed in a cylindrical shape, so that a high-strength cover (52) can be obtained. . Then, the damper (12) can be securely fixed, the screw (14) can be prevented from loosening, the stability when the door body (2) is opened can be improved, and the workability can be improved. it can.

Embodiment 3 FIG. 9 to 11 are diagrams showing another embodiment of the present invention. In the figure, (31) is the refrigerator body, (32) is the refrigerator body
The horizontal partition wall provided in (31), (33) is the refrigerator body (31)
An inner box (34) formed of a freezer compartment is formed by the horizontal middle partition wall (32) and the vertical middle partition wall (33). (36) is a door having a lower end pivotally attached to a lower edge of the inner box (34), (36b) is a lower end surface of a door (36) provided with a recess (36c), and (37) is a refrigerator compartment at a lower end. (35) Door pivoted to the lower edge,
(38) is an access opening formed in the front of the inner box (34), (38a)
Is a lower edge of the access port (38), (53) is a U-shaped hinge fastened by a screw (54) to a lower edge (38a) of the access port (38), and (55) is a hinge (53). (56) is a stator fixed near the base of the hinge (53) and arranged parallel to the pivot shaft (55), (57) is a door
A synthetic resin bearing arranged in the concave portion (36c) of the lower end surface (36b) of the (36) and fastened by a screw (58), and is pivotally attached to the pivot shaft (55). (59) bearing an elastic body formed integrally with (57), a curved shape along an arc around the pivot axis of the bearing (57) as shown in FIG. 10, the base portion bearing (57) And a recess (60) corresponding to the stator (56) is provided at the tip end thereof.

In the refrigerator door opening / closing device configured as described above, when the door (36) is opened, the elastic body (59) is located above the stator (56) as shown in FIG. , So it can be kept in a free posture without deformation. Also,
In a state where the door (36) is closed, as shown in FIG. 17, the tip of the elastic body (59) is pressed by the stator (56) to be elastically deformed, and the recess (60) becomes the stator (56). Fits. Such elastic body (59)
Since the pressing force due to the elastic deformation of the bearing is transmitted to the outside of the pivot line of the bearing (57), the bearing (57) becomes a fulcrum by the principle of extension, and the door (36) as an action point is moved through the door (38). ) Direction. And when opening the door (36), the door by human power
The rotation of (36) elastically deforms the elastic body (59) and causes the stator (5
The engagement between the recess (60) and the recess (6) is released, and the door (36) is rotated in the opening direction.

Thus, the closed door (36) is stably held at the closed position by the elastic body (59) that has been elastically deformed. Therefore, it is possible to prevent a problem that the function of the refrigerator is impaired due to the incomplete closing of the door (36). In addition, elastic body (5
Since 9) is formed integrally with the bearing (57), the appearance does not deteriorate. Further, since the hinge (53) and the bearing (57) are arranged at a short distance, there is no change in the closing pressing function of the door (36) due to a difference in the production of parts, and a highly accurate product can be obtained. The figure
The stator 56 shown in FIG. 9 is mounted on the side surface of the hinge 53 by cantilever support. But hinge the stator (56) (53)
It is also possible to mount it on both sides by supporting it on both sides. In the case of such a configuration, the strength of the hinge (53) increases, and the mounting position accuracy of the stator (56) improves, so that the door (36) can be opened and closed in a more stable state .

[0030]

As described above, according to the present invention, the inner box provided with an access port on the entire surface and cooled, the lower end is pivotally attached to the lower edge of the access port, and pivots via the horizontal axis. A door that opens and closes, and the lower end of the inner box is displaced upward by the opening operation; a push button switch provided at the lower edge of the access opening and disposed at a lower end than the lower end of the door at the time of opening; A pressing mechanism having a cam provided on the edge, one side pivoted to the lower edge, the upper part on the other side opposing the lower end face of the door, and the lower part on the other side facing the push button of the push button switch. Are provided. As a result, the push button switch provided on the lower edge of the access opening of the inner box is pressed via the pressing mechanism when the door is closed. Therefore, the effective use space is reduced due to the case of the push button switch protruding into the inner box, the operation failure due to icing in the push button switch, the operation failure of the push button switch due to insufficient pressing force of the push button,
In addition, there is an effect of preventing malfunction of the refrigerator due to incomplete closing of the door caused by the reaction force of the built-in spring of the push button.

Further, the lower end is pivotally attached to the lower edge portion of the access opening of the refrigerator main body, and the door main body which rotates and opens and closes via a horizontal line engages both the movable side and the fixed side in series with each other. And a bar is formed along the length of the lower side of the door body, and one of the two is held at the lower edge of the access opening and the other is held by the door body, and the two are fixed to the relative rotation of the two. And a damper cover having a tubular shape, into which the damper is inserted, and whose length is arranged along the length of the lower side of the door body and which is mounted in a buried state. As a result, the damper fitted into the cylindrical cover is mounted on the lower end surface of the door body in an embedded state. In addition, the workability can be improved, the strength of the cover is improved, the damper is securely fixed, and the opening and closing operation of the door body is stabilized.

Further, without the exit and access opening stator arranged to face the lower end of the door provided on the lower edge of the curved shape along an arc around the door rotation axis, the door And an elastic body which is rotated and displaced with the opening and closing operation of the door, elastically deforms at least when the door is closed, and engages with the stator. Thus, when the door is closed, the elastic body is elastically deformed and engages with the stator at the lower edge of the access opening, thereby restricting the operation in the opening direction of the door. Then, by the elastic member engaged with the stator and the bullet <br/> deformation was opened
The door is stably held at the closing position, and there is an effect of preventing a problem that the function of the refrigerator is impaired due to the incomplete closing of the door.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of the present invention, and
Exploded perspective view of the pressing mechanism at the lower edge
FIG.

FIG. 2 is a front view showing the components of FIG . 1 in an assembled state;

FIG. 3 is a view showing a state where a door is closed at a position corresponding to a section taken along line DD of FIG .
FIG.

FIG. 4 is a view showing a door open state at a position corresponding to a cross section taken along line DD of FIG . 2;
FIG.

FIG. 5 is a view showing a second embodiment of the present invention, and
Disassembled parts such as dampers at the lower edge
View.

FIG. 6 is a diagram corresponding to FIG. 4 corresponding to FIG.
Sectional view.

FIG. 7 is a cross-sectional plan view of a damper portion in FIG . 6;

FIG. 8 is a perspective view of a cover of the damper of FIG . 7 ;

FIG. 9 is a view showing a third embodiment of the present invention,
Exploded perspective view of hinges and other parts at the lower edge
FIG.

FIG. 10 shows a hinge member when closed by the member of FIG. 9;
FIG.

FIG. 11 is a diagram illustrating a state in which the door of FIG. 10 is opened.

FIG. 12 is a perspective view showing a conventional refrigerator door opening / closing device .

FIG. 13 is a sectional side view of a main part of a conventional refrigerator door opening / closing device.

FIG. 14 shows a state in which the door body of the conventional refrigerator door opening and closing device is opened.
The principal part front view shown.

FIG. 15 shows another conventional refrigerator door opening / closing device.
FIG.

FIG. 16 is a front view of FIG.

FIG. 17 is a view showing the state when the door is closed in the cross section taken along line CC of FIG. 16;
The enlarged view of a pier entrance upper edge part location.

FIG. 18 is a view for explaining a state when the door is opened in FIG. 17 ;

19 is a view showing another conventional refrigerator door opening in FIGS. 12 and 15; FIG.
The perspective view of the refrigerator which shows a closing device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator main body 2 Door main body 9 Lower side 12 Damper 12a Movable side 12b Fixed side 34 Inner box 36 Door 38 Doorway 38a Lower rim 39 Push button switch 39a Push button 44 Press mechanism 51 Cam 52 Damper cover 56 Stator 59 Elastic body 61 Movable container 62 engaging part 63 engaging element

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor, Gakushi Hashigaya 3-18-1, Oka, Shizuoka-shi Mitsubishi Electric Engineering Co., Ltd. Tanuma 1-chome No. 19-10 Inside Humamuchart Co., Ltd. (56) References JP-A-3-134472 (JP, A) Japanese Utility Model Sho 55-56393 (JP, U) Japanese Utility Model Sho 63-1223986 (JP, U) (58) Field surveyed (Int.Cl. ⁶ , DB name) F25D 29/00 F25D 23/02 306 H01H 13/18 F25D 25/00

Claims (3)

(57) [Claims] 1. An outlet is provided on the front side and cooled.
Inner box, the lower end is pivotally attached to the lower edge of the
Opening and closing operation by rotating via the axis,
A door whose bottom edge near the box is displaced upward and below the door
It is provided at the edge and is located below the lower end of the door when closed.
The push button switch that is placed and the lower edge of the
And one side is pivoted to the lower edge, and the upper part on the other side is
The lower part of the other side is opposite to the lower end face of the
Push mechanism having a cam arranged opposite to the push button of the switch
A door opening and closing device for a refrigerator comprising: 2. A door book having a lower end pivotally attached to a lower edge portion of a door opening and closing opening of a refrigerator main body and rotating through a horizontal axis to open and close.
Body and both the movable side and the fixed side are engaged in series with each other.
And the length is along the length of the lower side of the door body
And one of the two is positioned at the lower edge of the access opening.
The other is held by the door body, respectively,
Damper that requires a predetermined torque for relative rotation of
The damper is fitted and the length is below the door body.
A damper placed along the length of the side and mounted in a buried state
-Door opening and closing device for refrigerator with a cover . 3. A door provided at a lower edge portion of an access opening and below a door.
A stator disposed opposite the end, and a pivot axis of the door;
A curved shape along an arc with the center at the lower end of the door
And the door is rotated and displaced with the opening and closing operation of the door.
At least when the door is closed,
Claim 1 and is characterized in that an elastic member for engagement
The refrigerator door opening and closing device according to claim 2 .