JP2009213250A - Electric motor with speed reduction gear - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent the degradation of positioning accuracy and generation of insertion errors. <P>SOLUTION: A wiper motor includes: a motor housing for rotatably supporting a rotor shaft; a brush device for supplying power to an armature through a commutator of the rotor shaft; a brush holder stay 16 where the brush device is provided; an electric outlet 17 provided at the brush holder stay 16; a gear frame 21 connected to the motor housing; and a cover attached to the gear frame 21 to cover a speed reduction gear. The wiper motor further includes: a joint part 21a to be connected to the motor housing and a housing part 21b for housing the speed reduction gear which are provided at the gear frame 21; a retaining part 21d for retaining the electric outlet 17 which is provided at a boundary between the housing part 21b and the joint part 21a; an insertion part 21e larger than the contour of the electric outlet 17, which is provided at a joint part 21a side end surface of the retaining part 21d; and a receiving part 21f of the same size as the electric outlet 17, which is provided at an opposite side end part. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention relates to an electric motor with a speed reduction mechanism.
For example, the present invention relates to an effective one for use in a wiper motor used in a wiper device for wiping a window glass.

As a wiper motor used in a wiper device for wiping a window glass of an automobile, there is one described in Patent Document 1.
That is, the wiper motor includes a motor housing, a rotor shaft rotatably supported by the motor housing, an armature and a commutator that rotate integrally with the rotor shaft, and a brush device that supplies power to the armature via the commutator. A brush holder stay provided with the brush device, an outlet provided on the brush holder stay, a gear frame coupled to the motor housing, a speed reduction mechanism provided on the gear frame, and a speed reduction on the gear frame A cover that covers the mechanism, and the gear frame is provided with a connecting portion that is connected to the motor housing and a storage portion that stores the speed reduction mechanism, and the connecting portion of the storage portion. A holding portion for holding the outlet is provided at the boundary between the two.

JP 2003-134722 A

  In the above-described automatic assembly method of the wiper motor, the clearance between the outlet and the holding portion is small when the motor housing and the gear frame are assembled. An insertion failure occurs and the automatic assembly device stops.

  If the clearance between the outlet and the holding part is increased in order to avoid the stop of the automatic assembling apparatus, the positioning accuracy of the outlet by the holding part is lowered.

  An object of the present invention is to provide an electric motor with a speed reduction mechanism that can prevent the occurrence of poor insertion while avoiding a decrease in positioning accuracy.

Typical means for solving the above-described problems are as follows.
(1) a motor housing;
A rotor shaft rotatably supported by the motor housing;
An armature having an armature core fixed to the rotor shaft and a commutator fixed to the rotor shaft and disposed in proximity to the armature core;
A brush device in sliding contact with the commutator;
A brush holder stay provided with the brush device;
An outlet provided in the brush holder stay and electrically connected to the brush device;
A gear frame formed integrally with a connecting portion for connecting to the motor housing and a receiving portion for receiving the speed reduction mechanism;
A speed reduction mechanism housed in the gear frame;
A cover that covers the gear frame so as to cover the speed reduction mechanism,
In the electric motor with a speed reduction mechanism, a holding part for holding the outlet is provided between the connecting part of the storage part.
The holding part is provided with an insertion part larger than the outer shape of the outlet on the end face of the connecting part,
A receiving portion corresponding to the outlet is provided at the opposite end of the insertion portion.
An electric motor with a speed reduction mechanism.
(2) The electric motor with a speed reduction mechanism according to (1), wherein a tapered portion is provided at a boundary portion between the insertion portion and the receiving portion.
(3) The electric motor with a speed reduction mechanism according to (1) or (2), wherein a part of a parting line of the gear frame is set in the insertion portion.
(4) The electric motor with a speed reduction mechanism according to (1), (2), or (3), wherein a tapered portion is provided at one end of the outlet.

According to the above (1), since the insertion part of the holding part is made larger than the outlet and is set to press the outlet as it enters the holding part, the outlet easily enters the holding part. Occurrence of poor insertion into the outlet holding part can be prevented.
By providing the holder with a receiving part that receives external pressing force according to the outlet, the outlet can receive the power supply terminal connected to the outside or cover without taking a large clearance between the outlet and the holding part. .
According to the above (2), by providing the tapered portion at the boundary portion between the insertion portion and the receiving portion, it is possible to make the outlet more easily enter the holding portion.
According to the above (3), by setting a part of the mold constituting the parting line of the gear frame between the insertion parts, the outlet does not hit the parting line at the time of assembly. This can be prevented more reliably.
According to said (4), by providing the taper part in the outlet, it is possible to make the outlet more easily enter the holding part.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

In this embodiment, the electric motor with a speed reduction mechanism according to the present invention is configured as a wiper motor used in an automobile wiper device.
As shown in FIGS. 1 and 2, the wiper motor 1 according to the present embodiment includes a motor unit 10 and a worm gear reduction device unit (hereinafter referred to as a gear unit) 20. And the gear portion 20 are connected in series and fixed by screws.
The motor unit 10 includes a motor housing 11 in which magnets (not shown) as field poles are arranged and fixed in a cylindrical shape, a rotor shaft 12 rotatably supported on the motor housing 11, and the rotor shaft 12. An armature 13 and a commutator 14 that rotate integrally with each other, a brush device 15 that supplies power to the armature 13 through the commutator 14, and a brush holder stay 16 to which the brush device 15 is assembled.

As shown in FIG. 3, the brush holder stay 16 is formed into a substantially circular flat plate shape using an insulating resin such as an epoxy resin, and is arranged concentrically outside the commutator 14. Yes.
A capacitor, a coil, a resistor, and the like are mounted on the brush holder stay 16. The brush holder stay 16 is provided with a flat rectangular parallelepiped outlet 17 at one end on the end surface opposite to the brush device 15. In the outlet 17, three female terminals 17a, 17a, 17a are arranged in series.

As shown in FIGS. 1, 2, and 4, a gear frame 21 of a gear portion 20 is arranged in series and fixed to the motor housing 11. The gear frame 21 has a connecting portion 21a formed in a cylindrical shape that is incline-coupled to one end opening portion of the motor housing 11, and a short cylindrical shape in which one end surface is opened and the other end surface is closed. The gear frame 21 is integrally formed by a casting method using aluminum (aluminum die casting method).
The storage portion 21b is arranged in a protruding manner integrally with the end of the connecting portion 21a opposite to the motor housing 11 in parallel with a plane including an extension of the center line of the connecting portion 21a. An opening side end surface (hereinafter referred to as a mating surface) that is a mating surface with the cover is included in a two-dimensional plane.
On the mating surface of the storage portion 21b, an annular ridge 21c formed in a side wall shape having a substantially square cross section is integrally projected at a constant height over the entire circumference, and the annular ridge 21c is a ring of a cover described later. It is set to fit into the groove.

A holding portion 21d for holding the outlet 17 is integrally formed at one end near the boundary with the connecting portion 21a of the storage portion 21b, and the holding portion 21d is a flat rectangular parallelepiped hole that can hold the outlet 17. It is formed into a shape.
As shown in FIGS. 9 and 10, one end surface of the holding portion 21d is opened on the opening side of the storage portion 21b, and the other end surface is closed on the closing side of the storage portion 21b. The side wall of the holding portion 21d facing the inside of the storage portion 21b is opened in a state of communicating with the storage portion 21b, and the outlet 17 is fitted into the holding portion 21d from the connecting portion 21a side.
The holding portion 21d is provided with an insertion portion 21e larger than the outer shape of the outlet 17 on the end surface on the connecting portion 21a side, and a receiving portion 21f corresponding to the outlet 17 on the end opposite to the opening. A tapered portion 21g is provided at a boundary portion between the insertion portion 21e and the receiving portion 21f. In the vicinity of the insertion portion 21e, a parting line (line of a mating surface for molding) 21h necessary for molding the gear frame 21 is disposed.
The parting line 21h is formed at the joint of the mold that forms the space of the connecting portion 21a and the insertion portion 21e and the mold that forms the receiving portion 21f and the tapered portion 21g. It is integrally formed by the casting method (aluminum die-casting method) which uses aluminum for the space of the metal mold | die comprised by the some metal mold | die containing a metal mold | die.
In a state where the outlet 17 is fitted in the holding portion 21d, the three female terminals 17a of the outlet 17 are exposed in a surface retracted from the end surface of the holding portion 21d in the opening of the holding portion 21d.
The holding portion 21d is disposed inside the annular ridge 21c, and the opening surface of the holding portion 21d is separated from the end surface of the annular ridge 21c.

As shown in FIGS. 2 and 4, the rotor shaft 12 of the motor unit 10 is inserted into the storage unit 21 b of the gear frame 21.
A pair of worms 18 and 19 having twists opposite to each other are integrally formed at the insertion end portion of the rotor shaft 12 in the housing portion 21b of the gear frame 21, and are opposed to the worms 18 and 19, respectively. A pair of support shafts 22 and 23 are erected in a direction perpendicular to the direction of the rotor shaft 12 at both sides opposite to the rotor shaft 12.
A pair of worm wheels 24 and 25 are respectively fitted on both the support shafts 22 and 23 and are rotatably supported. The worm wheels 24 and 25 are engaged with the worms 18 and 19, respectively. Pinion gears 26 and 27 are connected to both worm wheels 24 and 25 so as to be aligned with each other, and both pinion gears 26 and 27 are engaged with drive gears 28, respectively.
The drive gear 28 is externally mounted so as to rotate integrally with a crankshaft 29 in a wiper device (not shown), and the crankshaft 29 serving as an output shaft of the wiper motor is located on one side of the rotor shaft 12 with respect to the rotor shaft 12. It is arranged in a direction perpendicular to the direction, is inserted through the closing wall of the storage portion 21b and is rotatably supported.

As shown in FIGS. 1 and 2, the cover 30 shown in FIG. 5 is put on the opening surface of the storage portion 21 b of the gear frame 21.
As shown in FIG. 5, the cover 30 includes a main body 31 molded using resin in a generally triangular dish shape corresponding to the storage portion 21 b, and the main body 31 has an opening in the storage portion 21 b. It is set so that it can be blocked.
An end surface of the main body 31 facing the storage portion 21b side of the gear frame 21 forms a two-dimensional flat mating surface, and a cross section that fits with the annular protrusion 21c of the storage portion 21b on the outer peripheral portion of the mating surface. A substantially square annular groove 32 is sunk at a constant depth and a constant width over the entire circumference.
After the liquid sealant (for example, butyl rubber) is applied to the annular groove 32, when the annular protrusion 21 c is fitted into the annular groove 32, the main body 31 of the cover 30 is hermetically sealed in the housing portion 21 b of the gear frame 21. And put it on.
A plurality of flange portions 33 are provided on the outer periphery of the main body 31 in a radial direction at intervals in the circumferential direction. The main body 31 is screwed to the gear frame 21 by screws inserted into the flange portions 33. It has become so.

As shown in FIG. 5, three leads 34 are wired in parallel with each other in the body of the end face wall of the body 31 of the cover 30 and are insert-molded. 35 and an inner plug 36 are formed.
In each lead 34, the outer plug 35 is bent so as to be parallel to the end face wall of the main body 31, and the inner plug 36 is bent so as to be perpendicular to the end face wall of the main body 31. At the end of the outer periphery of the main body 31 opposite to the motor housing 11, as shown in FIG. 5C, a coupler 37 formed in a substantially trapezoidal cylindrical shape with curved corners is provided in the radial direction. The coupler 37 is integrally formed so as to protrude outward, and three outer plugs 35 are arranged inside the coupler 37 so as to be aligned in series, and are inserted radially outward.

  A planting portion 38 projects in a rectangular flat plate shape corresponding to the insertion portion 21e of the holding portion 21d at a portion facing the holding portion 21d on the end surface facing the storage portion 21b side of the main body 31 of the cover 30. The inner plugs 36 of the three leads 34 are arranged in series on the end face of the implanted portion 38 so as to stand upright at right angles. The three inner plugs 36 are configured to be fitted into the female terminals 17a of the brush holder stay 16 so as to be electrically connected.

As shown in FIG. 5, a support shaft 39 formed in a cylindrical shape is provided at a right angle at a substantially central portion of the end surface of the cover 30 facing the storage portion 21 b of the main body 31. Two leads (on the opposite side of the region where the three leads (hereinafter referred to as first group leads) 34 are laid in the body of the end wall of the body 31 of the cover 30 and the support shaft 39) Hereinafter, the second group leads 40) are wired and embedded substantially parallel to each other, and plugs 41 and connection portions 42 are formed at both ends of the two second group leads 40, respectively.
The plugs 41 of the two second group leads 40 are bent so as to be parallel to the end face wall of the main body 31, and as shown in FIG. The outer plugs 34 are arranged in parallel with each other in series and inserted radially outward.

On the other hand, a pair of bosses 43, 43 are arranged adjacent to each other at the connecting portion 42 of the two second group leads 40 and are bulged. Further, a connecting portion 42 is formed at an intermediate portion of a lead (hereinafter referred to as a common lead) 34a farthest from the support shaft 39 among the three first group leads 34. Also, a pair of bosses 43, 43 are arranged next to each other and are bulged.
The three connection portions 42 of the two second group leads 40 and the common lead 34a are arranged around the support shaft 39 on the end surface facing the storage portion 21b of the main body 31 at an appropriate interval in the circumferential direction. At locations where the three connection portions 42 are arranged, holders 55 for holding the contact plates 50 constituting the connection device together with the second group lead 40 and the common lead 34a are provided.
Since the configurations of the three connection devices are substantially the same, the configuration of the contact plate 50 and the holder 55 in one connection device and the method of assembling the contact plate 50 to the holder 55 will be described with reference to FIG.

As shown in FIG. 6, the contact plate 50 includes a main body 51 made of a conductive material having elasticity and formed into a rectangular plate shape by pressing, and the main body 51 is bent into a crank shape. ing.
A pair of fixing holes 52, 52 are arranged side by side on the center line at one end of the main body 51, and both the fixing holes 52, 52 are fitted with the pair of bosses 43, 43 of the connecting portion 42. Is set to
A pair of engaging claws 53, 53 are bent at right angles at both ends of the end of the main body 51 where the fixing hole 52 is opened, and both engaging claws 53, 53 are formed in a substantially square flat plate shape. ing.
A tip 54 formed in a cylindrical shape using a conductive material having wear resistance is disposed at a right angle and fixed by caulking at an end portion of the main body 51 opposite to the fixing hole 52.

As shown in FIG. 6, the holder 55 includes an opening 56 formed by opening a portion of the end wall of the main body 31 where the connection portion 42 is disposed. The opening 56 is a pair of the connection portions 42. It is formed in a rectangular window shape so as to expose a portion where the bosses 43 are projected. A U-shaped side wall-shaped positioning portion 57 projects vertically from the opening edge of the opening 56 of the holder 55.
The pair of side walls 57a, 57a facing each other of the positioning portion 57 are parallel to the direction in which the pair of bosses 43, 43 are arranged, and the inner surfaces of the ends of the pair of side walls 57a, 57a on the closing wall 57b side A pair of engaging grooves 58, 58 are vertically sunk at a constant width and a constant depth. Both engagement grooves 58 and 58 are set so as to engage with the pair of engagement claws 53 and 53 of the contact plate 50, respectively.

As shown in FIG. 6B, the main body 51 of the contact plate 50 is moved to the positioning portion 57 of the holder 55, and both the fixing holes 52, 52 and both the bosses 43, 43 are connected to both the engaging claws 53, 53. And the engaging grooves 58, 58 are stored in a state where they are fitted.
After the contact plate 50 is housed in the holder 55, as shown in FIG. 7B, when both the bosses 43, 43 of the connection portion 42 are crimped, both the fixing of the main body 51 of the contact plate 50 is performed. Since the holes 52 and 52 are fastened by the bosses 43 and 43, the main body 51 of the contact plate 50 is mechanically fixed to the connection portion 42.
Since the main body 51 of the contact plate 50 is in close contact with the connecting portion 42 and mechanically fixed, the contact plate 50 is electrically connected to the connecting portion 42, that is, the second group lead 40 and the common lead 34a. become.

By the operation of assembling the contact plate to the holder, the three contact plates 50 are assembled to the three holders 55 as shown in FIG.
As a result of this assembly operation, the three contact plates 50 are mechanically and electrically connected at the connection portions 42 of the two second group leads 40 and the common lead 34a. The lead 41 is electrically drawn to the plug 41 and the outer plug 35 of the common lead 34a.

  As shown in FIG. 8, a relay plate 60 for constituting an auto stop switch is assembled to the support shaft 39 of the cover 30 to which the three contact plates 50 are assembled. Next, the relay plate 60 will be described.

The relay plate 60 includes a base 61 formed in a disc shape using an insulating resin, and the end surface of the base 61 facing the gear frame 21 is engaged with the drive gear 28 only during normal rotation. The engaging convex part 62 is protrudingly provided.
A bracket 63 formed in a cup shape is fixed to a concentric circle on the end surface of the base 61 facing the cover 30, and the bracket 63 is fitted to the support shaft 39 and is supported around the support shaft 39 by the bush nut 64 and the wave washer 65. It is positioned between the bottom surface of the cover 30. In this state, the relay plate 60 is rotatably supported on the support shaft 39.

As shown in FIG. 8C, the first conductive plate 66 and the second conductive plate 67 are concentric with respect to the center line of the support shaft 39 on the end surface of the base 61 facing the bottom surface of the cover 30. And fixed by appropriate means such as caulking.
The first conductive plate 66 arranged on the inner side is formed in a circular shape, and the second conductive plate 67 arranged on the outer side is formed with a non-conductive portion 68 and a stop position piece 69, respectively. Then, on the circular orbit drawn by the first conductive plate 66, the second conductive plate 67, the non-conductive portion 68 and the stop position piece 69, the tips 54 of the three contact plates 50 held on the opposing surface of the cover 30 are provided. The contact plate 50 is always pressed by the elastic force.
The first conductive plate 66, the second conductive plate 67, the non-conductive portion 68, and the stop position piece 69 are an automatic stop switch that opens and closes the electric circuit of the motor in an electric circuit including a power source, a wiper switch, a motor, a controller, and the like. It is configured.

The wiper motor 1 configured as described above is automatically assembled by an automatic assembly apparatus.
In the assembly step of the motor housing and the gear frame by the automatic assembly apparatus, the outlet 17 is automatically fitted into the holding portion 21d.
At this time, since the clearance between the outlet 17 and the holding portion 21d is small, an insertion failure occurs due to the burr of the edge portion of the gear frame and the brush holder stay and the parting portion, and the automatic assembly apparatus automatically It will stop.
The reason for reducing the clearance between the outlet 17 and the holding portion 21d is as follows.
As described above, when the cover 30 is automatically assembled to the gear frame 21, the inner plug 36 on the cover 30 side is inserted into the female terminal 17a of the outlet 17 on the gear frame 21 side. At this time, if the outlet 17 is not accurately positioned and held by the holding portion 21d of the gear frame 21, the inner plug 36 cannot be automatically inserted into the female terminal 17a, and the pushing force cannot be supported. For this reason, the clearance between the outlet 17 and the holding portion is set small.

However, in the present embodiment, the holding portion 21d is provided with an insertion portion 21e larger than the outer shape of the outlet 17 on the end surface on the connecting portion 21a side, and a tapered portion 21g is provided at the boundary portion between the insertion portion 21e and the receiving portion 21f. Therefore, even if the gear frame 21 and the burr of the edge part and parting part of the brush holder stay 16 are generated, the holding part 21d is connected to the outlet 17 as shown in FIG. I can welcome you.
As a result, it is possible to prevent occurrence of defective insertion of the outlet 17 into the holding portion 21d.
Further, since the parting line 21h of the gear frame 21 is disposed in the insertion portion 21e, it is possible to prevent the outlet 17 from contacting the parting line 21h. Therefore, it is possible to more reliably prevent the occurrence of defective insertion of the outlet 17 into the holding portion 21d.

On the other hand, in the present embodiment, the holding portion 21d is provided with the receiving portion 21f corresponding to the outlet 17 at the end opposite to the opening, so that the outlet 17 is accurately positioned and held by the receiving portion 21f. Therefore, the inner plug 36 can be automatically inserted into the female terminal 17a, and the pushing force can be supported.
That is, the inner plug 36 can be automatically inserted into the female terminal 17a of the outlet 17 without taking a large clearance between the outlet 17 and the holding portion 21d.

  The present invention is not limited to the above-described embodiment, and it goes without saying that various changes can be made without departing from the scope of the invention.

  For example, you may provide a taper part in the insertion side front-end | tip of an outlet socket. Thereby, an outlet can be made easier to enter into a holding part.

  Specific structures such as the motor unit and the speed reduction mechanism are not limited to the configuration of the above-described embodiment.

It is a perspective view which shows the wiper motor which is one embodiment of this invention. It is the partially omitted plan view partially omitted. It is a perspective view which shows a brush holder stay. It is a perspective view which shows a gear part. The cover is shown, (a) is a front view, (b) is a top view, (c) is a partial side view along the cc line of (a). The connection operation to the lead | read | reed of the contact plate of the connection apparatus which is one embodiment of this invention is shown, (a) is a disassembled perspective view, (b) is an assembly perspective view. The cover after the assembly | attachment of a contact plate is shown, (a) is a front view, (b) is sectional drawing which follows the bb line of (a). The cover after the assembly | attachment of a relay plate is shown, (a) is a front view, (b) is a plane sectional view, (c) is a rear view of a relay plate. (A) is sectional drawing which follows the IX-IX line of FIG. 4, (b) is the top view. FIG. 9A is a cross-sectional view corresponding to FIG. 9A, and FIG. 9B is a plan view thereof.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Wiper motor, 10 ... Motor part, 11 ... Motor housing, 12 ... Rotor shaft, 13 ... Armature, 14 ... Commutator, 15 ... Brush device, 16 ... Brush holder stay, 17 ... Outlet, 17a ... Female terminal,
18, 19 ... Worms, 20 ... Gear part,
21 ... gear frame, 21a ... coupling part, 21b ... storage part, 21c ... annular ridge, 21d ... holding part, 21e ... insertion part, 21f ... receiving part, 21g ... tapered part, 21h ... parting line,
22, 23 ... support shaft, 24, 25 ... worm wheel, 26, 27 ... pinion gear, 28 ... drive gear, 29 ... crankshaft,
DESCRIPTION OF SYMBOLS 30 ... Cover, 31 ... Main body, 32 ... Annular groove, 33 ... Gutter, 34 ... First group lead, 34a ... Common lead (connection device), 35 ... Outer plug, 36 ... Inner plug, 37 ... Coupler, 38 ... Implanting part, 39 ... support shaft, 40 ... second group lead (connecting device), 41 ... plug, 42 ... connecting part, 43 ... boss,
DESCRIPTION OF SYMBOLS 50 ... Contact plate (connection apparatus), 51 ... Main body, 52 ... Fixing hole, 53 ... Engagement claw, 54 ... Tip, 55 ... Holder, 56 ... Opening part, 57 ... Positioning part, 57a ... Side wall, 57b ... Closure wall 58 ... engaging groove,
60 ... Relay plate, 61 ... Base, 62 ... Engaging projection, 63 ... Bracket, 64 ... Bush nut, 65 ... Wave washer, 66 ... First conductive plate, 67 ... Second conductive plate, 68 ... Non-conductive portion, 69: Stop position piece.

Claims (4)

A motor housing;
A rotor shaft rotatably supported by the motor housing;
An armature having an armature core fixed to the rotor shaft and a commutator fixed to the rotor shaft and disposed in proximity to the armature core;
A brush device in sliding contact with the commutator;
A brush holder stay provided with the brush device;
An outlet provided in the brush holder stay and electrically connected to the brush device;
A gear frame formed integrally with a connecting portion for connecting to the motor housing and a receiving portion for receiving the speed reduction mechanism;
A speed reduction mechanism housed in the gear frame;
A cover that covers the gear frame so as to cover the speed reduction mechanism,
In the electric motor with a speed reduction mechanism, a holding part for holding the outlet is provided between the connecting part of the storage part.
The holding part is provided with an insertion part larger than the outer shape of the outlet on the end face of the connecting part,
A receiving portion corresponding to the outlet is provided at the opposite end of the insertion portion.
An electric motor with a speed reduction mechanism.   The electric motor with a speed reduction mechanism according to claim 1, wherein a tapered portion is provided at a boundary portion between the insertion portion and the receiving portion.   3. The electric motor with a speed reduction mechanism according to claim 1, wherein a part of a parting line of the gear frame is set in the insertion portion.   The electric motor with a speed reduction mechanism according to claim 1, wherein a tapered portion is provided at one end of the outlet.

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