JP5103342B2 - Vehicle door structure - Google Patents

Description

  The present invention relates to a vehicle door structure in which a window glass is attached to an outer surface of a door panel via a dam member.

The rear door structure for a vehicle is provided with a tailgate (door) that can be opened and closed at the rear of the vehicle body, and a rear window glass is provided substantially flush with an outer panel of the tailgate.
In order for the rear window glass to be provided substantially flush with the outer panel, a support recess is formed in the outer panel, and the periphery of the rear window glass is supported by this support recess.

  By the way, in the rear door structure for vehicles, for example, from the viewpoint of design, the lower corner of the rear window glass is formed at the inverted R-shaped edge, and the outer panel is formed along the inverted R-shaped edge of the rear window glass. Are also formed on the inverted R-shaped edge.

Therefore, the support recessed portion of the outer panel is opened downward at a portion formed in an inverted R shape.
For this reason, for example, when the door is closed from the opened state, it is conceivable that rainwater accumulated in the support recess flows downward and is discharged from the portion formed in the inverted R shape to the outside of the tailgate.

As countermeasures against rainwater discharge, a wind molding with a lip is provided between the outer panel and the rear window glass and along the periphery of the rear window glass, and the lip of the wind molding is arranged along the support recess of the outer panel. A rear door structure for a vehicle is known (for example, see Patent Document 1).
According to the rear door structure of JP-A-2005-313711, by arranging the lip of the dam member along the supporting recess of the outer panel, it is possible to guide rainwater or the like with the lip when the tailgate is closed. Can do. Therefore, it is possible to prevent water from being discharged from the portion formed in the reverse R shape when the tailgate is closed.

In addition, as a measure against the rainwater being discharged, a dam member is provided between the outer panel and the rear window glass and along the periphery of the rear window glass, and the dam member is provided with a hollow bulge portion, 2. Description of the Related Art A vehicle rear door structure that is supported by a portion and filled with a recessed portion is known.
The dam member is a member that holds the adhesive so that it does not escape to the outside.
(For example, refer to Patent Document 2).
According to the rear door structure of JP-A-7-228139, it is possible to prevent rainwater or the like from accumulating in the support recess by filling the support recess of the outer panel with the bulging portion of the dam member. Therefore, it is possible to prevent rainwater and the like from being discharged from the portion formed in the inverted R shape when the tailgate is closed.

However, in the rear door structure of Patent Document 1, it is necessary to prepare a wind molding with a lip as a wind molding, that is, a dedicated wind molding.
For this reason, compared with the case where general wind molding is used, the shape of wind molding has become complicated.
Furthermore, it is necessary to form a window molding with a lip along the reverse R-shaped edge of the rear window glass, and the shape is complicated.

On the other hand, in the rear door structure of Patent Document 2, it is necessary to prepare a dam member having a bulge as a dam member, that is, a dedicated dam member.
For this reason, compared with the case where a general dam member is used, the shape of the dam member was complicated.

  An object of the present invention is to provide a vehicle door structure that can prevent rainwater and the like from being discharged from the door when the door is closed with a simple configuration.

The invention according to claim 1 is a vehicle door structure in which a window glass is attached to a surface of the door panel on the vehicle outer side with a dam member interposed therebetween, and the window glass is vertically arranged at a side portion in the door panel width direction. A glass side edge that extends, and a glass bent edge that extends so as to be bent inward in the door panel width direction from the lower end of the glass side edge, and the door panel includes the glass side edge of the glass bent edge. A panel lower portion extending in the door surface direction downward from the end opposite to the end intersecting the portion, the dam member being provided on the door surface direction inner side from the peripheral edge of the door panel, and the window arranged sequentially from the glass side edge portion of the glass up to the glass bending edge, extends in the vertical direction in the region of the glass side edge portion extending in the vertical direction, the When the vertical line is set so that the portion is bent inwardly in the width direction of the door panel in the region of the glass side edge portion and passes through the end on the opposite side, the convex portion And extending to the center side in the door panel width direction crossing the vertical line, and the extended portion is formed in a straight line .

According to a second aspect of the present invention, the lower edge of the dam member is provided in the vicinity of the vertical line by providing the end of the portion that intersects the vertical line and extends to the center side in the door panel width direction in the vicinity of the vertical line. It is characterized by being.

In the invention which concerns on Claim 1, the glass side edge provided with the glass side edge part extended in an up-down direction and the glass bending edge part bent from the lower end part of a glass side edge part was provided.
And the dam member was provided in the door surface direction inner side from the peripheral part of the door panel, and this dam member was continuously arranged from the glass side edge part of the wind glass to the glass bending edge part.

Therefore, when rain water or the like flows down to the lower end along the glass side edge of the wind glass, the rain water or the like can be allowed to flow while contacting the dam member.
Thereby, the rain water etc. which flowed down to the lower end part of a glass side edge part flow so that it may be drawn near by the so-called Coanda effect to the dam member arrange | positioned continuously until it reaches a glass bending edge part.

Therefore, rain water and the like are discharged from the lower end of the glass side edge to the outside of the door with a simple configuration in which the dam member is continuously arranged from the glass side edge of the wind glass to the glass bent edge. There is an advantage that can be prevented.
Here, the Coanda effect refers to the property of a fluid that changes the flow direction along the object when the object is placed in the flow.

In the invention which concerns on Claim 1 , the panel lower part was provided in the door panel, and this panel lower part was extended toward the door surface direction toward the downward direction from the edge part on the opposite side.
And while a dam member is extended in the up-down direction in the area | region of the glass side edge part extended in the said up-down direction, the lower part is a convex part in the area | region of the said glass side edge part, and is inclined toward the said door panel width direction inner side. bent, when setting the vertical line so as to pass through the end portion of the opposite side, the is convex portion intersects the vertical line is extended to the door panel widthwise center side, said extension out the sites It is formed in a straight line.

Therefore, the rain water etc. which flowed so that it might be drawn near to a dam member can be guide | induced to the panel lower part of a door panel from the lower end part of a dam member.
Thereby, there exists an advantage that rainwater etc. can be prevented from being discharged | emitted from the middle of the lower end part of a glass side edge part, or a glass bending edge part to the exterior of a door.

In the invention which concerns on Claim 1 , in the area | region between a glass side edge part and a glass bending edge part, the dam member was provided in linear form .
By providing the dam member in a linear shape, it can flow in a state where rainwater, etc., was certainly attracted to the dam member in a so-called Coanda effect.
Thereby, there exists an advantage that it can prevent more reliably that rainwater etc. are discharged | emitted from the lower end part of a glass side edge part to the exterior of a door.
In the invention which concerns on Claim 2, the edge of the site | part which cross | intersected the perpendicular line and was extended to the door panel width direction center side was provided in the vicinity of the said perpendicular line, and the lower edge part of the said dam member is the said perpendicular line. Because it is provided in the vicinity, the lower edge of the dam member is provided in the vicinity of the vertical line, and the water that has traveled along the dam member is moved from the lower edge of the dam member along the vicinity of the side edge at the bottom of the panel. Can flow downward.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a rear view showing a vehicle having a vehicle door structure according to the present invention, and FIG. 2 is a perspective view showing a vehicle having a vehicle door structure according to the present invention.
In the vehicle door structure 10, an opening 13 is formed in a rear portion 12 of a vehicle body 11, and an upper end portion 15 a of a tailgate (door) 15 is rotatable at an upper portion of the opening 13 via a hinge portion (not shown). It is supported by.

  The tailgate 15 is formed on an outer panel (door panel) 16 that forms an outer wall of the tailgate 15, an inner panel 17 (see FIGS. 5 and 6) that forms an inner wall of the tailgate 15, and an outer surface 16 a of the outer panel 16. A rear window glass (window glass) 18 is provided.

The outer panel 16 includes a panel upper half portion 21 formed in a substantially trapezoidal shape and a panel lower half portion (panel lower portion) 22 formed in a substantially rectangular shape, and the panel width W1 of the panel upper half portion 21 is The panel width W2 of the lower panel half 22 is formed small.
By forming the panel width W2 of the panel lower half 22 smaller than the panel width W1 of the panel upper half 21, a left curved side edge 24 is provided at the lower left portion of the panel upper half 21, and the panel upper A right curved side edge 25 is provided in the lower right part of the half 21.

  The upper half 21 of the panel has a peripheral part (peripheral part of the door panel) 27 formed in a substantially trapezoidal shape, and a window opening 28 for the window is provided inside.

Specifically, the peripheral edge portion 27 of the panel upper half 21 has an upper edge portion 31 extending substantially horizontally along the upper portion of the window opening portion 28, and a lower portion so as to incline to the left from the left end portion of the upper edge portion 31. An upper left edge 32 extending downward, an upper right edge 33 extending downward from the right edge of the upper edge 31 to the right, and a left extending downward in a curved shape from the lower end 32a of the upper left edge 32. The curved side edge 24, the right curved side edge 25 extending downward in a curved shape from the lower end 33a of the upper right side edge 33, and the lower end of the right curved side edge 25 from the lower end 24a of the left curved side edge 24 It is formed in a substantially trapezoidal shape with the central edge 34 extending to the portion 25a.
The upper half 21 of the panel is formed with a step 36 and a glass support recess 37 (see FIG. 5), which will be described later.

The lower panel half 22 extends from the central edge 34 downward in the surface direction of the tailgate 15 (door surface direction).
Specifically, the panel lower half 22 includes a lower left edge 41 extending downward from the left end of the central edge 34, a lower right edge 42 extending downward from the right end of the central edge 34, and a lower left A lower edge 43 extending from the lower end of the edge 41 to the lower end of the lower right edge 42.

The panel lower half 22 is formed in a substantially rectangular shape with a central edge 34, a lower left edge 41, a lower right edge 42 and a lower edge 43.
The lower half 22 of the panel is an end 54a (see FIGS. 3 and 4) that intersects a glass left edge (glass side edge) 52 of a glass left bent edge (glass bent edge) 54 described later. This is a portion extending in the door surface direction downward from the opposite end (ie, the lower end) 54b.

3 is an enlarged view of part 3 of FIG. 2, and FIG. 4 is an exploded perspective view showing a state in which the rear window glass is removed from the vehicle door structure of FIG.
The left curved side edge 24 of the panel upper half 21 is an inverted R-shaped edge formed in a concave curved shape from the lower end 32a of the upper left side edge 32 to the upper end 41a of the lower left side edge 41. .
The right curved side edge 25 of the panel upper half 21 is a portion symmetrical to the left curved side edge 24, and a detailed description thereof will be omitted.

  A step portion 36 is formed along the peripheral edge portion 27 of the panel upper half portion 21 on the outer surface (outer surface of the panel upper half portion 21) 16a of the outer panel, and inside the step portion 36 (that is, the panel upper half portion 21). The glass support recessed part 37 is projected over the center side).

5 is a sectional view taken along line 5-5 in FIG. 3, and FIG. 6 is a sectional view taken along line 6-6 in FIG.
The step portion 36 is a portion that is bent from the peripheral edge 27 of the panel upper half 21 toward the glass support recess 37.
The step portion 36 is provided so as to face the peripheral edge 18a of the rear window glass 18 at a predetermined interval.

The glass support recess 37 protrudes from the edge 36a of the step portion 36 to the inner side (center side) in the surface direction of the panel upper half 21 so as to be recessed toward the vehicle body along the peripheral edge of the window opening 28 for windows. (That is, so as to be recessed with respect to the outer surface 16a of the upper half portion 21 of the panel).
The glass support recess 37 is a part capable of receiving the rear window glass 18.

A first dam seal (dam member) 45 and a second dam seal 46 (the second dam seal 46 is shown in the figure) at a portion 38 (that is, a portion along the outer periphery of the glass support recess 37) along the step portion 36 in the glass support recess 37. 4).
An adhesive 48 is provided along the first dam seal 45 inside the first dam seal 45, and an adhesive 48 is provided along the second dam seal 46 inside the second dam seal 46.

With the outer peripheral portion 19 of the rear window glass 18 placed on the first dam seal 45, the outer peripheral portion 19 of the rear window glass 18 is bonded to the glass supporting recess 37 with an adhesive 48.
That is, the rear window glass 18 is attached to the outer surface 16a of the panel upper half 21 with the first and second dam seals 45 and 46 and the adhesive 48 interposed therebetween.

  Returning to FIG. 1, the rear window glass 18 is formed in a substantially trapezoidal shape along the peripheral edge portion 27 of the panel upper half 21 (specifically, along the step portion 36 shown in FIG. 5).

  The rear window glass 18 includes a glass upper edge portion 51 arranged substantially parallel to the upper edge portion 31 and a glass left edge portion (glass side edge portion) arranged substantially parallel to the upper left edge portion 32. ) 52, a glass right edge (glass side edge) 53 arranged substantially parallel to the upper right edge 33, and a glass left bent edge arranged substantially parallel to the left curved side edge 24 Portion (glass bent edge) 54, glass right bent edge (glass bent edge) 55 arranged substantially parallel to right curved side edge 25, and center edge 34 arranged substantially parallel The outer peripheral portion 19 is formed in a substantially trapezoidal shape with the glass lower edge portion 56 thus formed.

Returning to FIGS. 3 and 4, the glass left side edge 52 is an edge extending in the vertical direction in a state slightly inclined along the upper left side edge 32 at the left outer side (side) in the outer panel width direction. .
The right glass edge 53 shown in FIG. 1 is a portion that is symmetrical to the left glass edge 52.

The glass left bent edge 54 is concave (reverse R shape) so as to be bent inwardly in the outer panel width direction (inner side in the door panel width direction) from the lower end 52a of the glass left edge 52 to the left end 56a of the glass lower edge 56. It has been extended.
That is, the glass left bent edge 54 is an edge formed in a bent state.
The glass right bent edge 55 shown in FIG. 1 is a portion symmetrical to the glass left bent edge 54.

  As an example, the first dam seal 45 is formed in a substantially rectangular cross section (see FIGS. 5 and 6), and the inner side of the tail gate 15 in the plane of the tail gate 15 (peripheral edge of the outer panel) 27 (peripheral edge of the outer panel) ( It is provided at a portion 38 along the step portion 36.

  Further, the first dam seal 45 is provided on the inner side (door side direction inner side) of the rear window glass 18 with respect to the glass left edge 52 of the rear window glass 18 (see also FIG. 5), and the rear window glass 18. The rear window glass 18 is provided on the inner side in the 18-plane direction (the inner side in the door surface direction) with respect to the glass left bent edge 54 (see also FIG. 6).

By the way, since the glass left bent edge 54 is a concave bent edge, the glass left edge 52 and the edge 59 of the glass left bent edge 54 are formed in a state of protruding in a substantially orthogonal convex shape.
It becomes difficult to bend the first dam seal 45 at a substantially right angle along the edge portion 59 protruding in a substantially orthogonal convex shape.

  In view of this, the first dam seal 45 is attached at a certain distance from the glass left edge 52 and the glass left bent edge 54 at the edge 59 and the glass left bent edge 54 protruding in a substantially orthogonal convex shape.

Therefore, it is possible to continuously arrange from the glass left edge 52 to the glass left bent edge 54 through the edge 59.
As a result, when rainwater or the like flows down to the lower end 52 a along the glass left edge 52 of the rear window glass 18, the rainwater or the like can be allowed to flow while contacting the first dam seal 45.

  Accordingly, rainwater or the like flowing down to the lower end 52 a of the left glass edge 52 flows so as to be attracted to the first dam seal 45 arranged continuously up to the left bent edge 54 by the so-called Coanda effect.

In addition, in the first dam seal 45, the seal lower portion 45a is bent in an inclined manner toward the inner side in the outer panel width direction at the convex portion 45b, and in the region 58 between the glass left edge 52 and the glass left bent edge 54, A linear shape or a convex shape is provided from the center of the outer panel 16 toward the peripheral edge.
In the embodiment, an example in which the first dam seal 45 is provided in a straight line will be described.

  By providing the first dam seal 45 in a straight line in a region 58 between the glass left edge 52 and the glass left bent edge 54, rainwater or the like is formed on the first dam seal 45 in this region 58 by a so-called Coanda effect. It is possible to flow in a state of being drawn more reliably through the.

In addition, as for the 1st dam seal 45, the seal | sticker lower part 45a is bend | folded in the inclined shape toward the outer panel width direction inner side by the convex part 45b.
The lower seal portion 45a is inclined to a vertical line 61 that extends in the vertical direction through the end 54a opposite to the end 54a that intersects the left glass edge 52 (ie, the lower end) 54b. Crossing at an angle θ (see FIG. 4), the outer panel 16 extends to the center in the width direction.

Therefore, the lower edge portion 45 c of the seal lower portion 45 a is disposed above the panel lower half portion 22 of the outer panel 16.
As a result, rainwater or the like that has flowed so as to be attracted to the first dam seal 45 can be guided from the lower edge portion 45c to the panel lower half portion 22 via the seal lower portion 45a.

As an example, the second dam seal 46 is formed in a substantially rectangular cross section, similar to the first dam seal 45.
The second dam seal 46 is provided on the inner side (door side direction inner side) of the tailgate 15 with respect to the peripheral edge 27 (center edge 34) of the upper half 21 of the panel, and with respect to the center edge 34). Are arranged substantially in parallel.
Furthermore, the second dam seal 46 is provided on the inner side in the rear window glass 18 surface direction (the inner side in the door surface direction) with respect to the glass lower edge portion 56 of the rear window glass 18.

Next, an example in which rainwater flows along the first dam seal 45 will be described with reference to FIGS.
FIGS. 7A and 7B are diagrams showing an example in which rainwater has accumulated on the tailgate according to the present invention.
In (a), for example, when the tailgate 15 is opened, the tailgate 15 is disposed substantially horizontally.
Therefore, when the tailgate 15 is opened in the rain, rainwater 65 accumulates between the stepped portion 36 of the panel upper half 21 and the first dam seal 45 (see FIG. 7B).

In (b), the tailgate 15 is closed as shown by an arrow A in a state where rainwater 65 is accumulated between the step portion 36 of the upper half 21 of the panel and the first dam seal 45.
When the tailgate 15 is closed, the tailgate 15 is inclined downward from the horizontal direction to the vertical direction.
Therefore, the rainwater 65 between the step part 36 and the first dam seal 45 falls as shown by an arrow B.

FIGS. 8A and 8B are views showing an example in which rain water collected in the tailgate according to the present invention flows along the first dam seal. In FIG. 8B, the rear window glass 18 is removed for easy understanding of the flow of rainwater.
In (a), the rainwater 65 between the stepped portion 36 and the first dam seal 45 descends along the first dam seal 45.

In (b), the rain water 65 descending along the first dam seal 45 can flow in a state of being reliably drawn to the convex portion 45b by the so-called Coanda effect at the convex portion 45b of the first dam seal 45.
Therefore, the rain water 65 descends as shown by the arrow C toward the seal lower portion 45 a along the convex portion 45 b of the first dam seal 45.

FIGS. 9A and 9B are diagrams showing an example in which rainwater accumulated in the tailgate according to the present invention flows to the lower half 22 of the panel. In FIG. 9B, as in FIG. 8B, the rear window glass 18 is removed in order to facilitate understanding of the flow of rainwater.
In (a), the rainwater 65 descending along the convex portion 45b (see FIG. 8B) of the first dam seal 45 is curved to the left of the upper half portion 21 of the panel along the seal lower portion 45a of the first dam seal 45. It flows in a space 68 between the side edge 24 and the glass left bent edge 54 of the rear window glass 18.

In (b), the rainwater 65 that has flowed into the space 68 (see FIG. 9A) along the lower seal portion 45a flows as indicated by an arrow D toward the lower edge portion 45c of the lower seal portion 45a.
Here, the lower edge portion 45 c of the seal lower portion 45 a is disposed above the panel lower half portion 22 of the outer panel 16.

Therefore, the rainwater 65 that has flowed to the lower edge 45 c is guided to the panel lower half 22 as indicated by an arrow E and is transmitted so as to spread on the surface of the panel lower half 22.
Thereby, it is possible to prevent rainwater 65 from being discharged to the outside of the tailgate 15 from the lower end portion 32a of the upper left side edge portion 32 and the lower end portion 52a of the glass left side edge portion 52.

  In this way, the first dam seal 45 is arranged continuously from the glass left edge 52 of the rear window glass 18 to the glass left bent edge 54, and the rain water 65 is disposed at the lower end of the upper left edge 32. It is possible to prevent the light from being released to the outside of the tailgate 15 from the lower portion 52a of the portion 32a or the left side edge 52 of the glass.

In addition, the first dam seal 45 is provided linearly in a region 58 between the left glass edge 52 and the left glass bent edge 54.
Thus, by providing the first dam seal 45 in a straight line shape, the rain water 65 can flow in a state of being reliably drawn to the first dam seal 45 by the so-called Coanda effect.
Thereby, it is possible to more reliably prevent the rainwater 65 from being discharged to the outside of the tailgate 15 from the lower end portion 32a of the upper left side edge portion 32 and the lower end portion 52a of the glass left side edge portion 52.

  In the above-described embodiment, the example in which the first dam seal 45 is provided in a straight line in the region 58 between the left glass edge 52 and the left glass bent edge 54 has been described. It is also possible to provide the first dam seal 45 in a convex shape from the center of the outer panel 16 toward the peripheral edge in a region 58 between the edge 52 and the glass left bent edge 54.

  Moreover, although the said embodiment demonstrated the example which applied the vehicle door structure 10 which concerns on this invention to the tailgate 15, it is not restricted to this, The vehicle door structure 10 which concerns on this invention is used for another door. It is also possible to apply.

  Further, the tailgate 15, the outer panel 16, the rear window glass 18, the panel lower half 22, the panel upper half peripheral edge 27, the first dam seal 45, the glass left edge 52, the glass right edge shown in the above embodiment. The portion 53, the glass left bent edge portion 54, the glass right bent edge portion 55, and the like are not limited to the illustrated shapes, and can be appropriately changed.

  INDUSTRIAL APPLICABILITY The present invention is suitable for application to an automobile having a vehicle door structure in which a window glass is attached to a surface on the vehicle exterior side of a door panel via a dam member.

It is a rear view which shows the vehicle provided with the vehicle door structure which concerns on this invention. It is a perspective view which shows the vehicle provided with the vehicle door structure which concerns on this invention. FIG. 3 is a three-part enlarged view of FIG. 2. FIG. 4 is an exploded perspective view showing a state in which a rear window glass is removed from the vehicle door structure of FIG. 3. FIG. 5 is a sectional view taken along line 5-5 of FIG. FIG. 6 is a sectional view taken along line 6-6 of FIG. It is a figure which shows the example which rainwater collected in the tailgate which concerns on this invention. It is a figure which shows the example which flows the rain water collected on the tailgate which concerns on this invention along a 1st dam seal. It is a figure which shows the example which flows the rain water collected on the tailgate which concerns on this invention to the panel lower half part 22. FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Vehicle door structure, 11 ... Vehicle body, 15 ... Tail gate (door), 16 ... Outer panel (door panel), 16a ... Outer panel outside surface (door panel outside surface), 18 ... Rear window glass (window) Glass), 22 ... lower panel half (panel lower part), 27 peripheral edge of panel upper half (periphery of door panel), 45 first dam seal (dam member), 52 left glass edge (glass side edge) Part), 52a ... lower end part of glass left edge part, 53 ... glass right edge part (glass side edge part), 54 ... glass left bent edge part (glass bent edge part), 54a ... crossing edge part (glass bent edge) 54b ... lower end (opposite end), 55 ... glass right bent edge (glass bent edge), 58 ... glass left edge and glass Area between left bent edge 61 ... plumb line.

Claims (2)

A vehicle door structure in which a window glass is attached to a surface of the door panel on the vehicle outer side through a dam member,
The window glass is
A glass side edge extending in the vertical direction at the side of the door panel width direction;
A glass bending edge extending from the lower end of the glass side edge to bend inward in the door panel width direction, and
The door panel is
A panel lower portion extending in the door surface direction downward from an end opposite to the end intersecting the glass side edge among the glass bent edges,
The dam member is
A glass side edge provided on the door surface direction inner side from the peripheral edge of the door panel and continuously arranged from the glass side edge of the window glass to the glass bent edge, and extending in the vertical direction. A vertical line extending in the vertical direction in the region, and a lower portion of the glass side edge portion being bent in an inclined manner toward the inner side in the width direction of the door panel in the region of the glass side edge portion, and passing through the end portion on the opposite side. The vehicle door structure is characterized in that it extends from the convex portion to the center side in the width direction of the door panel from the convex portion, and the extended portion is formed in a straight line shape. . The lower edge portion of the dam member is provided in the vicinity of the vertical line by providing the end of the portion that intersects the vertical line and extends to the center side in the door panel width direction in the vicinity of the vertical line. The vehicle door structure according to claim 1.

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