JP6983036B2 - register - Google Patents

Description

The present invention relates to a register used for an air outlet of an air conditioner such as an automobile, and has an elongated rectangular air outlet that is long in the longitudinal direction and short in the lateral direction, and has an elongated rectangular air outlet in the inner longitudinal direction of the air outlet. The present invention relates to a register for adjusting air blowout, which is suitable as a thin register with front fins arranged along the line.

Conventionally, as a register for adjusting the air blowout in the vehicle interior, a horizontally movable louver and a vertically movable louver are arranged in the retainer forming the ventilation path in the front-rear direction and in the direction orthogonal to each other, and from the air outlet provided in the bezel. A cross-fin type register that adjusts the air blowing direction up, down, left and right by changing the angle of each fin of the horizontally movable louver and the vertically movable louver when blowing air is widely used.

Further, as such a register, a thin register having an elongated rectangular air outlet and a small number of movable fins of about 1 to 3 inside the air outlet is mainly designed and designed. Manufactured from demand.

Japanese Unexamined Patent Publication No. 2017-159876

This type of cross-fin type thin register is usually used when the damper plate is rotatably supported in the ventilation path on the upstream side of the rear fin to stop the ventilation during use. Operate the damper dial on the front of the register to rotate the damper plate and close the ventilation path.

Therefore, in the above register, it is necessary to provide a damper dial for damper operation on the front surface of the bezel, and when the front width of the register is compactly limited by the arrangement of the damper dial, the opening area of the air outlet is reduced. Therefore, the ventilation performance tends to deteriorate.

Further, it is necessary to provide an operation transmission mechanism on the side of the register to transmit the turning power of the damper dial to the damper plate, and by providing a space for the operation transmission mechanism on the side of the retainer or the like, this space is provided. Increases the external shape of the register. In addition, this type of register requires that when the user operates the register, the operating knob slidably fitted on the front fins and the damper dial on the front of the bezel must be operated separately. be.

Therefore, the applicant has proposed a register that can operate the front fin, the rear fin, and the damper plate that are orthogonal to each other with one operation unit according to the above Patent Document 1.

This register can operate the front fin, rear fin and damper plate with one operation unit, but since the joint shaft for operation passes back and forth between the rear fins, the rear fin of that part is removed. It will be. For this reason, when the rear fins are swung left and right, the wind travels straight from the portion where the rear fins are removed to the front of the center, so that there is a problem that the wind direction adjustment in the longitudinal direction by the rear fins is disturbed.

The present invention has been made in view of the above points, and can improve the directivity at the time of adjusting the wind direction in the longitudinal direction by the rear fins, reduce the number of parts, and improve the workability of assembling parts. The purpose is to provide registers.

In order to achieve the above object, the registers of the present invention are
With a retainer that has a ventilation path inside,
A bezel fitted to the front of the retainer and having an air outlet,
A front movable louver rotatably arranged inside the air outlet,
A rear movable louver arranged on the upstream side of the front movable louver in a direction orthogonal to the front movable louver and rotatably supporting a plurality of juxtaposed rear fins.
After that, a damper device arranged on the upstream side of the movable louver and opening and closing the ventilation passage by a damper plate, and a damper device.
In a register with
The front movable louver has a rotatably axially supported front fin parallel to the longitudinal direction of the air outlet, and a sliding member slides on the front fin parallel to the longitudinal direction of the front fin. Movably fitted, the dial operating knob is rotatably supported by the sliding member.
Near the center of the rear movable louver, an auxiliary rear fin member having auxiliary rear fins on both sides is rotatably supported in synchronization with the rear fins.
The inside of the auxiliary post-fin member, the annular member is rotatably supported via a parallel supporting shaft and the fin member after the auxiliary,
The auxiliary rear fin member is configured by connecting the auxiliary rear fins between upper and lower flat plate portions arranged in parallel, and the upper portion and the lower portion of the annular member are parallel to the support shaft of the auxiliary rear fin member. It is rotatably supported between the flat plates via the support shaft.
One link bar is attached by connecting the connecting shaft provided on the flat plate portion of the auxiliary rear fin member and the connecting shaft of the rear fin.
A joint shaft of a universal joint arranged between the dial operation knob and the damper device is arranged so as to penetrate the inside of the annular member.
The rear portion of the dial operation knob is connected to the front end portion of the joint shaft via the universal joint.
In the damper device, a damper plate assembly having a first damper plate and a second damper plate is rotatably supported by the first damper plate and the second damper plate via a shaft portion coaxially. The damper plate assembly is supported by a damper support member, and is configured.
A cup-shaped portion is provided on the damper support member, a universal bearing is rotatably inserted into the cup-shaped portion, and the rear end portion of the joint shaft is fitted into the flexible bearing.
A cam mechanism is provided between the universal bearing and the damper plate assembly to transmit the rotation of the universal bearing to the damper plate assembly.
When the sliding member is slid by the dial operation knob, the auxiliary rear fin member rotates in synchronization with the rear fin via the annular member due to the movement of the joint shaft.
When the dial operation knob is rotated, the rotation of the joint shaft of the universal joint is transmitted to the damper plate assembly via the cam mechanism, and the damper plate assembly opens and closes. do.

In this specification, the downstream side (air outlet side) of the ventilation path in the register is the front side and the front part, and the upstream side of the ventilation path is the rear side and the rear part.

According to the present invention, when the dial operation knob of the register is slid together with the sliding member in the longitudinal direction of the front fin, the auxiliary rear fin member synchronizes with the rear fin of the rear movable louver via the joint shaft and the annular member. Then, it rotates in the same direction, and the blowing direction is bent in the longitudinal direction of the air outlet.

At this time, the rear fins of the rear movable louver transmit the movement of the joint shaft in the longitudinal direction to the annular member and the auxiliary rear fin member, and further rotate synchronously via the link bar in the longitudinal direction of the dial operation knob. The direction of the rear movable louver can be changed smoothly according to the movement. This eliminates the need for parts such as the bifurcated engaging portion that was conventionally provided to transmit the movement of the sliding member to the rear movable louver. Further, the air flow passing near the center of the rear movable louver is well guided by the auxiliary rear fin member, and can be blown in the direction of the rear movable louver with good directivity.

Further, since the shaft portion of the damper plate assembly having the first damper plate and the second damper plate of the damper device is supported by the damper support member, the damper plate assembly is assembled in the ventilation path of the retainer. At the time of work, the damper support member to which the damper plate assembly is assembled can be easily assembled at a fixed position in the ventilation path. Further, it is not necessary to provide a shaft hole for the support shaft of the damper plate on the wall portion of the retainer, and it is possible to prevent wind leakage due to the shaft hole.

On the other hand, when changing the wind direction in the lateral direction of the air outlet, the dial operation knob is rotated in the lateral direction of the air outlet, whereby the front fins rotate in the lateral direction and the air outlet is used. The blast is bent in the lateral direction of the air outlet.

When the dial operation knob is turned around its central axis, rotational power is transmitted to the damper plate assembly of the damper device via the universal joint, joint shaft, universal bearing, and cam mechanism, and the damper plate assembly is used. The first damper plate and the second damper plate rotate about the shaft portion in opposite directions to open and close the ventilation path. At this time, the turning power of the dial operation knob is satisfactorily transmitted to the damper plate assembly of the damper device via the universal joint, the joint shaft, the universal bearing, and the cam mechanism, and the damper device is smoothly opened and closed. Can be done.

Further, the auxiliary rear fin member is configured by connecting the auxiliary rear fins between the upper and lower flat plate portions arranged in parallel, and the upper portion and the lower portion of the annular member form a support shaft parallel to the support shaft of the auxiliary rear fin member. A link bar is rotatably supported between the flat plate portions via the plate portion , and one link bar is attached by connecting the connecting shaft provided on the flat plate portion of the auxiliary rear fin member and the connecting shaft of the rear fin. When adjusting the wind direction, the auxiliary rear fin and the rear fin can be directed in the same direction, and the directivity when the rear fin is shaken can be improved.

Further, here, the damper plate of the damper device is composed of a first damper plate and a second damper plate having a shape in which the cross section of the ventilation passage is substantially divided into two, and the edges of the first damper plate and the second damper plate. The shaft portion is provided in the above, and the shaft portion is roughly divided into a first shaft portion and a second shaft portion, the first shaft portion is provided at the edge portion of the first damper plate, and the second shaft portion is the second. It is provided at the edge of the damper plate, and the end of the first shaft portion and the end of the second shaft portion can be rotatably connected to each other.

Further, it is preferable to provide ribs in the vertical direction of both inner side walls of the annular member so as to be in contact with the joint shaft penetrating the inside of the annular member. According to this, when the dial operation knob is operated, the joint shaft smoothly slides inside the annular member, and the operation can be smoothly performed with good operability without causing abnormal noise.

Further, here, a locking convex portion for locking the damper support member is projected from both inner side walls of the retainer, and a locking convex portion is locked to the edge portion of the damper support member. It can be configured to provide a unit.

Further, here, a hemispherical tip portion is provided on the cup-shaped portion of the damper support member toward the upstream side, and a cup-shaped portion is provided on the upstream side of the circular holding portion provided in the retainer via the frame portion. It can be configured to be fitted.

Further, here, it is possible to have a configuration in which a support shaft is projected from the upper and lower flat plate portions of the auxiliary rear fin member and the connecting shaft is projected at a position deviated from the support shaft.

Further, here, the cam pin of the cam mechanism is projected from the first damper plate and the second damper plate, and each cam pin engages with the cam groove provided in the universal bearing of the cam mechanism to rotate the dial operation knob. When operated, the universal bearing rotates around the shaft via the connecting shaft, the joint shaft, and the universal joint engaging portion, and the first damper plate and the second damper plate are shafts via the cam pin that engages with the cam groove. It can be configured to rotate about the portion.

According to this, the first damper plate and the second damper plate operate to open the ventilation path in a state where the shaft portion is overlapped with each other, and to close the ventilation passage in a state where the shaft portion is opened in the center. As a result, the rotation operation force when the dial operation knob is turned is reliably transmitted to the damper device via the cam mechanism, and the rotation operation of the dial operation knob causes the first damper plate and the second damper plate. The ventilation path can be smoothly opened and closed by rotating in the opposite directions.

According to the register of the present invention, the front fin, the rear fin and the damper plate can be operated by one operation unit, and the directivity at the time of adjusting the wind direction in the longitudinal direction when the rear fin is shaken is improved. However, the number of parts can be reduced, and the workability of assembling parts can be improved.

It is a front view of the register which shows one Embodiment of this invention. It is a left side view of the register. It is a perspective view of the register. It is a perspective view seen from the back side of the register. It is a perspective view from the front side of a retainer. It is an exploded perspective view of the front movable louver. It is an exploded perspective view of a front movable louver, a sliding member, a dial operation knob, a universal joint and the like. It is an exploded perspective view of the rear movable louver. (A) is a front view of a state in which a dial operation knob is attached to the front fin of a front movable louver, and (b) is a plan view thereof. It is the left side view with the dial operation knob attached to the front fin. (A) is a perspective view in a state where the dial operation knob is attached to the front fin, and (b) is a perspective view thereof as seen from the rear side. FIG. 10 is a cross-sectional view taken along the line III-III and a partially enlarged view thereof. (A) is a front view of the damper device, (b) is a right side view thereof, and (c) is a plan view thereof. (A) is a perspective view of the damper device, and (b) is a perspective view thereof as seen from the rear side. (A) is a perspective view of the damper plate assembly, (b) is the same perspective view seen from the back side, and (c) is the same perspective view with the damper plate open. It is an exploded perspective view of the damper device including a cam member of a cam mechanism. (A) is an exploded perspective view of the first damper plate, and (b) is an exploded perspective view of the second damper plate. (A) is a perspective view of the damper support member, (b) is the same perspective view in a state where the angle is changed, and (c) is the same perspective view seen from the rear side. (A) is a perspective view of the auxiliary rear fin member and the annular member of the rear movable louver when viewed from the front side, and (b) is a perspective view thereof when viewed from the back surface side. (A) is a perspective view of the auxiliary rear fin member and the annular member, and (b) is a perspective view thereof as seen from the rear side. (A) is a perspective view of the joint shaft, and (b) is a perspective view thereof as seen from the rear side. FIG. 1 is a cross-sectional view taken along the line I-I of FIG. It is sectional drawing corresponding to FIG. 22 when the damper device is closed. It is sectional drawing corresponding to FIG. 22 when the front movable louver 3 is rotated upward. It is sectional drawing corresponding to FIG. 22 when the front movable louver is rotated downward. FIG. 2 is a sectional view taken along line II-II of FIG. It is sectional drawing corresponding to FIG. 26 when the damper device is closed. It is sectional drawing corresponding to FIG. 26 when the rear movable louver is rotated to the left.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 to 4, this register has a case portion formed by a retainer 1 formed in a duct shape and a bezel 2 fitted to the front portion thereof, and rectangular air is formed on the front surface of the bezel 2. The air outlet 5 is formed, the front movable louver 3 is arranged in the ventilation passage 6 of the retainer 1, and the rear movable louver 4 and the damper device 50 are arranged on the upstream side thereof.

As shown in FIG. 1, the front movable louver 3 has front fins 30 to 32 that are arranged parallel to the longitudinal direction of the air outlet 5 and are rotatably supported by the shaft. The sliding member 8 is slidably fitted to the central front fin 30 in parallel with the longitudinal direction of the front fin 30, and the dial operation knob 7 is rotatably supported by the sliding member 8. As shown in FIG. 8, in the rear movable louver 4, the auxiliary rear fin member 40 having the auxiliary rear fins 40a and 40b on both sides is rotatably supported in the vicinity of the center thereof in synchronization with the rear fin 41. Inside the auxiliary rear fin member 40, the annular member 49 is rotatably supported via a support shaft 46 parallel to the support shaft 43 of the auxiliary rear fin member 40.

In the damper device 50, as shown in FIG. 14, the damper plate assembly 70 having the first damper plate 51 and the second damper plate 52 is supported by the damper support member 60, and the damper device 50 is ventilated through the damper support member 60. It is installed in the road 6 so that it can be opened and closed. The damper plate assembly 70 is configured by rotatably supporting the first damper plate 51 and the second damper plate 52 via a coaxial shaft portion, and the shaft portion is supported by the damper support member 60. To. As shown in FIG. 7, in order to open and close the damper device 50, a joint shaft 17 of the universal joint 10 is arranged between the dial operation knob 7 and the damper device 50 so as to penetrate the inside of the annular member 49. The back surface portion of the dial operation knob 7 is connected to the front end portion of the joint shaft 17 via the universal joint 10. As shown in FIG. 18, the damper support member 60 is provided with a cup-shaped portion 61 at its end, a universal bearing 21 is rotatably inserted into the cup-shaped portion 61, and a rear end portion of a joint shaft 17 is formed. It is fitted in the universal bearing 21.

On the other hand, as shown in FIG. 15, a cam mechanism 20 for transmitting the rotation of the universal bearing 21 to the shaft portion of the damper plate assembly 70 is provided between the universal bearing 21 and the damper plate assembly 70. When the sliding member 8 is slid by the dial operation knob 7, the auxiliary rear fin member 40 rotates in synchronization with the rear fin 41 via the annular member 49 due to the movement of the joint shaft 17. Further, when the dial operation knob 7 is rotated, the rotation of the joint shaft 17 of the universal joint 10 is transmitted to the shaft portion of the damper plate assembly 70 via the cam mechanism 20, and the damper plate assembly 70 opens and closes. It is configured to do.

That is, the cam pins 56 and 57 of the cam mechanism 20 are projected from the first damper plate 51 and the second damper plate 52 constituting the damper plate assembly 70, respectively, and the cam pins 56 and 57 are each of the cam mechanism 20. It engages with the cam groove 23 provided in the universal bearing 21. As a result, when the dial operation knob 7 is rotated, the universal bearing 21 rotates around the shaft via the connecting shaft 11, the joint shaft 17, and the universal joint engaging portion 18, and engages with the cam groove 23. The first damper plate 51 and the second damper plate 52 rotate about the shaft portion via the cam pins 56 and 57.

The air outlet 5 in front of the bezel 2 is formed in a horizontally long rectangle long in the longitudinal direction and short in the lateral direction, and the front movable louver 3 is arranged parallel to the longitudinal direction (horizontal direction) just inside the air outlet 5. Will be done. On the upstream side of the front movable louver 3, the rear movable louver 4 is arranged in parallel with the lateral direction (longitudinal direction) of the air outlet 5 and the rear fins 41 are arranged in parallel in the direction orthogonal to the front movable louver 3. Orthogonal. At substantially the center of the front movable louver 3, one dial operation knob 7 is arranged to operate the front movable louver 3, the rear movable louver 4, and the damper device 50.

In this embodiment, the air outlet 5 of the register is elongated in the lateral direction and is formed with the longitudinal direction as the lateral direction, the front movable louver 3 is arranged parallel to the longitudinal direction, and the rear movable louver 4 is the air outlet 5. The fins 41 are arranged parallel to the short side of the register, but the front shape of the register is rotated 90 degrees, the air outlet is elongated in the vertical direction, and the front movable louver is in the long direction of the air outlet. The register may be configured so as to be arranged parallel to the (vertical direction) and the rear movable louver to be arranged parallel to the lateral direction (horizontal direction) of the air outlet.

As shown in FIG. 5, fitting locking portions 1d are provided at four locations on the front portion of the retainer 1, and are locked on the inside (rear surface side) of the bezel 2 corresponding to the fitting locking portions 1d. The portion is projected so that it can be locked. With the connecting mechanism including the front movable louver 3, the rear movable louver 4, the dial operation knob 7 and its universal joint 10 assembled in the retainer 1, the bezel 2 is the fitting locking portion 1d at the front portion of the retainer 1. Is fitted using.

As shown in FIG. 6, the front movable louver 3 has plate-shaped bearing members 29 on both sides, and three front fins 30 to 32 are vertically spaced between the bearing members 29 so as to be rotatable. It is composed of bearings. Support shafts 34 are projected on both sides of the front fins 30 to 32, and the support shafts 34 are fitted into the shaft holes of the bearing members 29 on both sides, and the front fins 30 to 32 are rotatable up and down. Be provided. Further, as shown in FIG. 6, a connecting shaft 36 is projected from one end of each front fin 30 to 32, and one link bar 35 is linked between these connecting shafts 36, and the front fins 30 to 32 are linked. Rotates in the same direction in synchronization. Further, as shown in FIG. 6, a guide shaft 37 is projected from the right end portion of the central front fin 30, and the guide shaft 37 is inserted into a guide hole provided in the bearing member 29 to rotate the front fin 30. It is designed to guide the range of motion. At the time of assembly, the front movable louver 3 is mounted in the retainer 1 at a fixed position by fitting the bearing members 29 on both sides into the recesses provided inside the front portion of the retainer 1.

As shown in FIG. 6, the front fin 30 at the center of the front movable louver 3 is formed so that the upper fin portion 30a and the lower fin portion 30b are provided in the central portion thereof and a space 33 is provided between them so as to bulge up and down. .. That is, the central front fin 30 is formed so as to divide the vicinity of the central portion into upper and lower parts by the upper fin portion 30a and the lower fin portion 30b so as to provide a space 33 between the upper fin portions 30a and the upper fin portions 30a arranged in parallel. As shown in FIGS. 7 and 11, the sliding member 8 of the dial operation knob 7 is slidably fitted into the lower fin portion 30b along the longitudinal direction (horizontal lateral direction) of the front fin 30.

As shown in FIG. 7, the sliding member 8 formed in a cup shape is provided with four slits 8a on the left and right wall portions thereof, and the upper fin portion 30a and the lower fin portion are provided in these slits 8a. By fitting the 30b, the sliding member 8 is slidably mounted on the front fin 30 in the left-right lateral direction. Further, the mounting plate 9 of the universal joint 10 is attached to the locking claw 8c provided on the sliding member 8 at the rear end of the sliding member 8, that is, the rear end of the front fin 30 protruding toward the rear end. The locking portion 9a provided on the plate 9 is locked and fitted. Further, as shown in FIG. 7, the load applying member 39 is attached to the sliding member 8 in contact with the edge portion of the front fin 30 so as to apply an appropriate load during sliding. As a result, the sliding member 8 is given an appropriate load to the front fins 30 and is slidably attached in the left-right direction.

Further, as shown in FIG. 7, a shaft hole 9b is provided in the center of the mounting plate 9, a shaft hole 8b is formed at the front end portion of the sliding member 8, and the universal joint 10 is formed in the shaft holes 8b and 9b. The connecting shaft 11 is inserted. A dial operation knob 7 is mounted on the front portion of the connecting shaft 11 projecting from the shaft hole 8b of the sliding member 8 so as to be rotatable within a predetermined rotation range, and a fixing screw 7a is attached to the front end portion of the connecting shaft 11. And the mounting seat 7b is used to tighten and fix the dial operation knob 7. Further, a cover portion 7c is fitted to the front portion of the dial operation knob 7 so as to cover the fixing screw 7a. As a result, the dial operation knob 7 is attached to the front end portion of the connecting shaft 11, and when the dial operation knob 7 is rotated around the shaft, the connecting shaft 11 rotates around the shaft with respect to the sliding member 8. Move.

On the other hand, as shown in FIG. 7, a flange portion 14 which is a main portion of the universal joint 10 is provided on the rear side of the connecting shaft 11, that is, on the universal joint 10 side, and the engaging recess 14a is connected to the front side of the flange portion 14. A leaf spring member 14b is provided on the outer peripheral portion of the shaft 11 and is provided on the back surface side of the mounting plate 9 for preventing rattling and for imparting a sense of moderation. The leaf spring member 14b is provided with a convex portion thereof in the engaging recess 14a so as to be fitted with spring elasticity, and when the connecting shaft 11 is turned by holding the dial operation knob 7, a predetermined angle position (damper opening position) is provided. And the closed position), the convex portion elastically fits into the engaging concave portion 14a. As a result, the operation mechanism of the damper device 50 holds the open position and the closed position of the damper while generating an appropriate click feeling, and prevents the connecting shaft 11 from rattling.

As shown in FIG. 7, the universal joint 10 is provided with a bifurcated swing connecting portion 15 at the front end portion of the joint shaft 17, and a swing connecting member 13 is provided inside the swing connecting portion 15 of the joint shaft 17. It is rotatably supported around an axis orthogonal to the axis. Further, the swing connecting member 13 is rotatably connected to the back surface side of the flange portion 14 around an axis orthogonal to the axis of the joint shaft 17 and orthogonal to the swing connecting member 13. As a result, the universal joint 10 can rotate and swing between the connecting shaft 11 and the joint shaft 17 in all directions orthogonal to the shaft, and the rotational force around the shaft of the connecting shaft 11 can be transmitted to the joint shaft 17. , Consists of a universal joint mechanism.

Further, a universal joint engaging portion 18 having a substantially rectangular parallelepiped shape is provided at the rear end of the joint shaft 17, and pins 19 are projected above and below the universal joint engaging portion 18. As shown in FIG. 22, the universal joint engaging portion 18 is inserted into and engaged with the socket-shaped universal bearing 21 of the damper device 50. That is, the upper and lower pins 19 of the universal joint engaging portion 18 engage with the engaging groove 24 provided in the universal bearing 21, and the universal joint 10 rotates around the axis of the joint shaft 17 with respect to the universal bearing 21. While transmitting, they are connected so that they can tilt. As shown in FIGS. 16 and 21, the universal bearing 21 is formed in the shape of a socket having a circular hole, and two engaging grooves 24 are formed in the inner wall thereof in the axial direction, and the universal joint engaging portion 18 is formed. The upper and lower pins 19 of the above engage with the engagement groove 24.

On the other hand, as shown in FIGS. 10 and 11, the joint shaft 17 of the universal joint 10 penetrates the inside of the auxiliary rear fin member 40 back and forth, and the annular member 49 pivotally supported in the auxiliary rear fin member 40. It is arranged so as to penetrate the inside. As shown in FIG. 8, the auxiliary rear fin member 40 is arranged at a substantially central position of the rear movable louver 4, and is rotatable by a bearing member 47 in the retainer 1 via a support shaft 43 protruding vertically. Be provided. Further, the auxiliary rear fin member 40 has flat plate portions 42 arranged in parallel at an upper portion and a lower portion, and the auxiliary rear fin members 40a are hung on both sides of the edge portions of the flat plate portions 42 on both the upper and lower sides. , 40b are vertically fixed to both side edges of both flat plate portions 42.

The rear movable louver 4 is arranged in the ventilation passage 6 on the upstream side of the front movable louver 3 in a direction orthogonal to the front movable louver 3. As shown in FIG. 8, the rear movable louver 4 is configured by arranging an auxiliary rear fin member 40 substantially in the center and arranging, for example, five rear fins 41 on both sides thereof in the vertical direction. They are installed side by side at intervals in the left-right and horizontal directions. Further, the rear movable louver 4 is assembled by rotatably fitting the auxiliary rear fin member 40 and the upper and lower support shafts 43 of the rear fins 41 into the plate-shaped bearing members 47 arranged at the upper and lower portions. At the time of assembling into the retainer 1, the upper and lower bearing members 47 are provided with recesses inside the upper wall and the lower wall in the retainer 1 with the auxiliary rear fin member 40 and each rear fin 41 assembled between them (FIG. It is fitted and attached to 3).

As shown in FIGS. 8, 10 and 11, the auxiliary rear fin member 40 located substantially in the center of the rear movable louver 4 is formed in a square frame shape when viewed from the front, and the auxiliary rear fins 40a and 40b are spaced apart from each other on the left and right sides. It is provided between the upper and lower flat plate portions 42. The support shaft 43 is projected upward on the upper flat plate portion 42, and the support shaft 43 is projected downward on the lower surface of the lower flat plate portion 42 at a position coaxial with the upper support shaft 43. Like the other rear fins 41, the auxiliary rear fin member 40 fits each support shaft 43 into the shaft holes provided in the upper and lower bearing members 47 that pivotally support the rear movable louver 4, and inserts the upper and lower support shafts 43. It is rotatably supported to the left and right via the shaft. Further, a connecting shaft 44 is projected from the auxiliary rear fin member 40 and the upper portions of the five rear fins 41 at a deviated position away from their support shafts 43, respectively, and one link bar 45 thereof is provided. It is linked between the connecting shafts 44.

On the other hand, as shown in FIGS. 19 and 20, in the auxiliary rear fin member 40, vertically long annular members 49 for penetrating the joint shaft 17 are left and right by the shaft support portions 48 provided at the upper and lower portions thereof. It is rotatably supported by the shaft. The annular member 49 is formed in an oval shape when viewed from the front, and thin ribs 49a are vertically projected on the inner surfaces of the side walls on both sides. When the joint shaft 17 inserted into the annular member 49 swings left and right in response to the operation of the dial operation knob 7, the rib 49a brings the joint shaft 17 into contact with the rib 49a and smoothly joins the joint shaft 17. Is transmitted to the fin member 40 after the assist, and the joint shaft 17 is smoothly slid when the joint shaft 17 is slid up and down.

Further, the annular member 49 eliminates the need for members such as a bifurcated engaging portion and a fan-shaped tooth portion, which have been conventionally required. That is, when the dial operation knob 7 is operated left and right, the movement of the sliding member 8 in the left-right direction is transmitted to the annular member 49 via the joint shaft 17, and the movement is transmitted from the annular member 49 to the auxiliary rear fin member 40. It is transmitted and the rear movable louver 4 rotates in the left-right direction. For this reason, members such as a bifurcated engaging portion and a fan-shaped tooth portion, which are conventionally provided for rotating the rear fin 41 of the rear movable louver 4, are not required.

As shown in FIG. 19, a support shaft 46 is projected inward on the inner surface of the upper and lower flat plate portions 42 of the auxiliary rear fin member 40, and the shaft support portion 48 provided at the upper and lower portions of the oval annular member 49. The upper and lower support shafts 46 are fitted into the shaft holes of the above, and the annular member 49 is rotatably supported to the left and right inside the auxiliary rear fin member 40. As shown in FIG. 10, the joint shaft 17 is inserted inside the annular member 49, and the universal joint engaging portion 18 provided at the tip on the back surface side of the joint shaft 17 is fitted into the universal bearing 21 and is fitted into the universal bearing 21. Is rotatably fitted into the cup-shaped portion 61 of the damper support member 60 of the damper device 50.

As described above, the damper device 50 includes a first damper plate 51 and a second damper plate 52 in which the damper plate has a shape in which the cross section of the ventilation passage 6 is substantially divided into two. A shaft portion is provided at the edge portion of the first damper plate 51 and the second damper plate 52, and the shaft portion is substantially divided into a first shaft portion 53 and a second shaft portion 54. The first shaft portion 53 is provided on the edge portion of the first damper plate 51, the second shaft portion 54 is provided on the edge portion of the second damper plate 52, and the end portion of the first shaft portion 53 and the second shaft portion 54 are provided. The ends of the are coaxially connected.

The damper plate assembly 70 of the damper device 50 is composed of a first damper plate 51 and a second damper plate 52, and as shown in FIG. 13, is rotatably supported by the damper support member 60 to support the damper support member 60. It is mounted so as to be openable and closable in the ventilation passage 6. As shown in FIG. 17A, the first damper plate 51 is mounted by stacking the soft sheet 51b on the plate body 51a, and the cover portion 51c is fixed to the plate body 51a so as to cover the soft sheet 51b. It is composed of. At the long edge portion of the plate body 51a of the first damper plate 51, the first shaft portion 53 is divided into two pieces and formed at intervals. Further, a hook-shaped cam pin 56 is projected outward from the middle portion of the plate main body 51a, and the first damper plate 51 is supplied with rotational power in the opening / closing direction via the cam pin 56.

Similarly, as shown in FIG. 17B, the second damper plate 52 has a soft sheet 52b attached under the plate body 52a, and a cover portion 52c is attached to the plate body 52a so as to cover the soft sheet 52b from underneath. It is fixed and configured. A second shaft portion 54 is formed on the long edge portion of the plate body 52a by being divided into two pieces at intervals. The end of the first shaft portion 53 and the end of the second shaft portion 54 are rotatably connected to each other. Further, a hook-shaped cam pin 57 is projected outward from the middle portion of the plate main body 52a, and a rotational force in the opening / closing direction is applied to the second damper plate 52 via the cam pin 57.

A spherical portion is formed at the tips of the cam pins 56 and 57, and as shown in FIG. 15, the spherical portion is engaged and held in a cam groove 23 provided on the outer peripheral portion of the universal bearing 21 of the cam mechanism 20. The cross-sectional shape of the cam groove 23 of the universal bearing 21 is formed into a shape that can rotate while reliably holding the spherical portion of the cam pins 56 and 57, and the cam pins 56 and 57 are driven by the rotation of the universal bearing 21. , Assembled to move smoothly.

As shown in FIGS. 15 and 16, in the first damper plate 51 and the second damper plate 52 of the damper plate assembly 70, the first shaft portion 53 and the second shaft portion 54 thereof can rotate coaxially. It is connected and assembled. At this time, the cam pins 56 and 57 project outward, are inserted into the inside through the opening 61b of the cup-shaped portion 61 of the damper support member 60, and engage with the cam groove 23 of the universal bearing 21 arranged inside. Further, as shown in FIG. 23, the first damper plate 51 and the second damper plate 52 are formed in a shape that closes the ventilation passage 6 in a state of being opened to a predetermined angle.

The damper support member 60 is a member that supports the damper plate assembly 70 so as to be openable and closable, and is attached to the ventilation passage 6 of the retainer 1. As shown in FIG. 18, the damper support member 60 is provided with locking support portions 63, 64 at both ends of the long strut portion 62, and each of the locking support portions 63, 64 is engaged in the retainer 1. Locking recesses 63a and 64a for stopping are formed, and shaft holes 63b and 64b that rotatably support the ends of the first shaft portion 53 and the second shaft portion 54 of the damper plate assembly 70 are formed. It is formed coaxially on each of the locking support portions 63 and 64.

Further, as shown in FIG. 18, a cup-shaped cup-shaped portion 61 is provided in the middle portion of the support column portion 62. The cup-shaped portion 61 has a circular opening at the front portion and a hemispherical tip portion 61a at the back surface portion, and the hemispherical tip portion 61a has an opening 61b for introducing the cam pins 56, 57. Is formed up and down. As shown in FIG. 16, the universal joint 21 is rotatably inserted into the cup-shaped portion 61 within a predetermined angle range, and is fitted into the universal bearing 21 from the universal joint engaging portion 18 of the joint shaft 17. The universal bearing 21 that has received the rotational power rotates in the cup-shaped portion 61 within a predetermined angle range.

By the rotation of the universal bearing 21, the first damper plate 51 and the second damper plate 52 open and close via the cam pins 56 and 57. The cup-shaped portion 61 is inserted into the retainer 1 from the back surface side of the retainer 1 and fitted into the circular holding portion 1b (FIG. 5) provided in the retainer 1. For this purpose, the outer peripheral portion of the cup-shaped portion 61 is formed in a shape that can be fitted in the circular holding portion 1b, and the frame portion 1a in the retainer 1 is fitted in the front portion of the cup-shaped portion 61. The slit 61d is formed.

Further, shaft holes 61c are formed on both sides of the cup-shaped portion 61, and the inner end portions of the first shaft portion 53 and the second shaft portion 54 of the damper plate assembly 70 are fitted into the shaft holes 61c. It has become like. The shaft holes 63b, 64b and the shaft hole 61c are located coaxially, and the shaft portion composed of the first shaft portion 53 and the second shaft portion 54 of the damper plate assembly 70 has the shaft holes 63b, 64b and the shaft hole 61c. It is rotatably pivotally supported on the damper support member 60.

When assembling the damper plate assembly 70 including the first damper plate 51 and the second damper plate 52 into the retainer 1, first, as shown in FIG. 14, the first shaft portion 53 and the second shaft portion 54 are engaged. It is in a state of being fitted into the shaft holes 63b and 64b of the stop support portions 63 and 64 and assembled. Next, the damper support member 60 with the damper plate assembly 70 is inserted from the back surface side of the retainer 1, and the locking recesses 63a, 64a of the locking support portions 63, 64 of the damper support member 60 are inserted into the retainer 1. The damper device 50, which is locked to the locking convex portion 1c (FIG. 5) and is composed of the damper plate assembly 70 and the damper support member 60, is attached to a predetermined position in the retainer 1.

In this way, the damper device 50 can be easily assembled in a fixed position simply by locking the locking recesses 63a and 64a of the locking support portions 63 and 64 of the damper support member 60 to the locking convex portion 1c in the retainer 1. Moreover, it is not necessary to make a shaft hole in the side wall of the retainer 1, and it is possible to prevent wind leakage from the gap of the shaft hole.

As described above, in the dial operation knob 7, the connecting shaft 11 is connected to the joint shaft 17 on the output shaft side via the universal joint 10 having the above configuration, and the connecting shaft 11, the universal joint 10, the joint shaft 17, and the universal joint shaft 17 are freely connected. A rotation transmission mechanism is configured from the bearing 21 and the like. As a result, when the sliding member 8 is slid in the left-right direction by holding the dial operation knob 7, the movement is transmitted to the rear movable louver 4 via the annular member 49, and the dial operation knob 7 is tilted in the vertical direction. When the (rotation) operation is performed, the front movable louver 3 is tilted, and when the dial operation knob 7 is turned in that state, the rotational power of the dial operation knob 7 is free from the joint shaft 17 via the rotation transmission mechanism. It is transmitted to the bearing 21.

In the damper device 50, in order to rotate the first damper plate 51 and the second damper plate 52, as shown in FIGS. 14 and 15, a cam pin 56 of the first damper plate 51 is provided at the end of the universal bearing 21. The cam pin 57 of the second damper plate 52 engages with the cam groove 23 on the opposite side provided at the end of the universal bearing 21. As shown in FIGS. 13 and 14, the first damper plate 51 and the second damper plate 52 are held by the damper support member 60 in a state where the first shaft portion 53 and the second shaft portion 54 are connected, and the ventilation passage is provided. It is attached to the upstream side of 6 so that it can be opened and closed.

As a result, when the dial operation knob 7 is rotated around its shaft, the turning power is transmitted to the universal joint 21 via the connecting shaft 11 and the joint shaft 17 of the universal joint 10, and is transmitted to the universal joint 21. The provided cam groove 23 rotates the first damper plate 51 and the second damper plate 52 via the cam pins 56 and 57 to open the ventilation passage 6 as shown in FIG. 22 and the ventilation passage 6 as shown in FIG. 23. To close.

The dial operation knob 7 tilts up and down together with the front fins 30 to 32 of the front movable louver 3 and moves left and right together with the sliding member 8. Therefore, when the rotation is operated around the shaft while tilting up and down and moving left and right, the turning power is transferred to the first damper plate 51 and the second damper plate 52 of the damper device 50 via the cam mechanism 20. It is connected via the universal joint 10, the universal joint engaging portion 18, and the universal bearing 21 so as to transmit. As described above, the universal joint 10 is rotatably connected to the connecting shaft 11 in all directions via the swing connecting portion 15 and the swing connecting member 13.

The register having the above configuration is attached to an instrument panel or dashboard in an automobile so that the end of the retainer 1 is connected to a ventilation duct (not shown). The air sent from the ventilation duct is blown out from the ventilation passage 6 in the retainer 1 through the air outlet 5.

As shown in FIGS. 22 and 26, the damper device 50 is opened, and the front fins 30 to 32 of the front movable louver 3 and the auxiliary rear fin member 40 and the rear fin 41 of the rear movable louver 4 are set to the ventilation direction of the ventilation passage 6. In the parallel neutral state, the air flow travels straight through the ventilation passage 6, passes between the auxiliary rear fin member 40, the rear fins 41, and the front fins 30 to 32, and is blown forward from the air outlet 5. To.

At this time, the air flow passing through the rear movable louver 4 is guided by the auxiliary rear fin member 40 together with the rear fin 41, and the air flow is directionally blown toward the front surface. Further, as shown in FIGS. 13 and 14, the cup-shaped portion 61 of the damper support member 60 that supports the damper device 50 is provided with a hemispherical tip portion 61a facing upstream, so that air resistance during blowing is provided. Can be reduced.

In such a ventilation state, when the ventilation passage 6 is closed to shut off the ventilation, the dial operation knob 7 is grasped and turned, for example, clockwise around the axis. As a result, the rotational power of the dial operation knob 7 is transmitted from the universal joint 10 and the universal joint engaging portion 18 to the universal joint 21, and the universal bearing 21 rotates in the cup-shaped portion 61 of the damper support member 60. Then, the rotation of the universal bearing 21 is transmitted to the damper plate assembly 70 of the damper device 50 via the cam pins 56 and 57, and the first damper plate 51 and the second damper plate 52 of the damper plate assembly 70 are in opposition to each other. It rotates in the direction and the open direction.

At this time, as shown in FIG. 23, the first damper plate 51 rotates clockwise in the figure, the second damper plate 52 rotates counterclockwise, and the first damper plate 51 and the first damper plate 51 opened in the opening direction. 2 The peripheral edge of the damper plate 52 abuts on the inner wall of the ventilation passage 6, and the ventilation passage 6 is closed by the damper device 50. At this time, the air pressure rises on the upstream side of the damper device 50 in the retainer 1, but the damper support member 60 that supports the damper plate assembly 70 does not fit the shaft into the shaft hole formed in the inner wall. , It is locked to the locking convex portion 1c projecting from the inner wall. Moreover, since the cup-shaped portion 61 that rotatably holds the universal bearing 21 is substantially closed by the hemispherical tip portion 61a, it is possible to reduce air leakage when the damper device 50 is closed.

On the other hand, when adjusting the blowing direction up or down in the blowing state, the dial operation knob 7 is grasped and the front fins 30 to 32 of the front movable louver 3 are rotated up or down. When the dial operation knob 7 is held and rotated up or down, as shown in FIGS. 24 and 25, the front fins 30 to 32 to which the dial operation knob 7 is mounted move up about the support shafts 34 on both sides thereof. Alternatively, the front fins 30 to 32 are tilted diagonally upward or diagonally downward, and the blowing direction is adjusted in the same direction.
On the other hand, when the ventilation passage 6 is closed and the ventilation is cut off in the blowing state where the front fins 30 to 32 are swung up or down as described above, the dial operation knob 7 is grasped and the dial operation knob 7 is grasped as described above. Turn, for example, clockwise around the axis.

At this time, as shown in FIGS. 24 and 25, the connecting shaft 11 of the dial operation knob 7 is bent and connected to the joint shaft 17, and the joint shaft 17 is bent and connected to the universal bearing 21. Since it is connected to the universal bearing 21 via the universal joint 10 and the universal joint engaging portion 18, the rotational force of the dial operation knob 7 is smoothly transmitted to the universal bearing 21 and to the cam mechanism 20.

The rotation of the cam mechanism 20 is transmitted to the damper plate assembly 70 of the damper device 50 via the cam pins 56 and 57, and the first damper plate 51 and the second damper plate 52 rotate in opposite directions. At this time, as shown in FIG. 23, the first damper plate 51 rotates clockwise and the second damper plate 52 rotates counterclockwise, so that the first damper plate 51 and the second damper plate 52 rotate. The peripheral edge of the air passage 6 comes into contact with the inner wall of the ventilation passage 6, and the ventilation passage 6 is closed by the damper device 50.

On the other hand, when changing the blowing direction to the left or right, the dial operation knob 7 is slid to the left or right together with the sliding member 8. When the dial operation knob 7 is held and moved to the left or right, the sliding member 8 moves to the left or right on the front fin 30. For example, when the dial operation knob 7 is moved to the left, the sliding member 8 and the connecting shaft 11 move as shown in FIG. 28. At this time, the joint shaft 17 connected to the connecting shaft 11 of the sliding member 8 via the swing connecting member 13 tilts to the right, and the tilting of the joint shaft 17 causes the auxiliary rear fin member of the rear movable louver 4 to tilt. The annular member 49 arranged in the 40 receives a force in the rotation direction. As a result, the auxiliary rear fin member 40 tilts (rotates) to the right around the support shaft 43. At this time, the turning power is transmitted to the other rear fins 41 via the link bar 45 of the rear movable louver 4, each rear fin 41 rotates around the support shaft 43, and all the rear fins 41. The direction of is changed around the support shaft 43, and the blowing direction is adjusted to the left.

When the ventilation passage 6 is closed and the ventilation is cut off while the rear movable louver 4 is swung to the left or right as described above, the dial operation knob 7 is grasped around the axis as described above. For example, turn it clockwise.

At this time, as shown in FIG. 27, the connecting shaft 11 of the dial operation knob 7 is transmitted from the universal joint 10 and the universal joint engaging portion 18 to the universal bearing 21, and is free in the cup-shaped portion 61 of the damper support member 60. The bearing 21 rotates. The rotation of the universal bearing 21 is transmitted to the damper plate assembly 70 of the damper device 50 via the cam pins 56 and 57, and the first damper plate 51 and the second damper plate 52 of the damper plate assembly 70 are in opposite directions. It rotates in the (opening direction), the peripheral edges of the first damper plate 51 and the second damper plate 52 abut on the inner wall of the ventilation passage 6, and the ventilation passage 6 is closed by the damper device 50.

In this way, the ventilation direction can be easily changed up, down, left and right by operating only one dial operation knob 7, and the ventilation passage 6 can be opened and closed by rotating the damper device 50. .. Further, the auxiliary rear fin member 40 is arranged at a substantially central position of the rear movable louver 4, and the movement of the joint shaft 17 when the dial operation knob 7 is moved to the left or right moves through the annular member 49 to the auxiliary rear fin member 40. Since the rear fin 41 of the rear movable louver 4 is tilted via the auxiliary rear fin member 40, it is not necessary to separately provide a bifurcated member or a fan-shaped engaging member, the number of parts can be reduced, and the assembly work man-hours can be reduced. Can also be reduced.

1 Retainer 1a Frame part 1b Circular holding part 1c Locking convex part 1d Fitting locking part 2 Bezel 3 Front movable louver 4 Rear movable louver 5 Air outlet 6 Ventilation passage 7 Dial operation knob 7b Mounting seat 7c Cover part 8 Sliding Member 8a Slit 8b Shaft hole 8c Locking claw 9 Mounting plate 9a Locking part 9b Shaft hole 10 Flexible joint 11 Connecting shaft 13 Swinging connecting member 14 Flange part 14a Engagement recess 14b Leaf spring member 15 Swinging connecting part 17 Joint shaft 18 Swivel joint engagement part 19 pin 20 Cam mechanism 21 Swivel bearing 23 Cam groove 24 Engagement groove 29 Bearing member 30 Front fin 30a Upper fin part 30b Lower fin part 33 Space 34 Support shaft 35 Link bar 36 Connecting shaft 37 Guide shaft 39 Load applying member 40 Auxiliary rear fin member 40a Auxiliary rear fin 40b Auxiliary rear fin 41 Rear fin 42 Flat plate part 43 Support shaft 44 Connecting shaft 45 Link bar 46 Support shaft 47 Bearing member 48 Shaft branch 49 Circular member 49a Rib 50 Damper device 51 1 Damper plate 51a Plate body 51b Soft sheet 51c Cover part 52 2nd damper plate 52a Plate body 52b Soft sheet 52c Cover part 53 1st shaft part 54 2nd shaft part 56 Campin 57 Campin 60 Damper support member 61 Cup shape part 61a Hemisphere Shaped tip 61b Opening 61c Shaft hole 61d Slit 62 Strut part 63 Locking support part 63a Locking recess 63b Shaft hole 70 Damper plate assembly

Claims (7)

With a retainer that has a ventilation path inside,
A bezel fitted to the front of the retainer and having an air outlet,
A front movable louver rotatably arranged inside the air outlet,
A rear movable louver arranged on the upstream side of the front movable louver in a direction orthogonal to the front movable louver and rotatably supporting a plurality of juxtaposed rear fins.
After that, a damper device arranged on the upstream side of the movable louver and opening and closing the ventilation passage by a damper plate, and a damper device.
In a register with
The front movable louver has a rotatably axially supported front fin parallel to the longitudinal direction of the air outlet, and a sliding member slides on the front fin parallel to the longitudinal direction of the front fin. Movably fitted, the dial operating knob is rotatably supported by the sliding member.
Near the center of the rear movable louver, an auxiliary rear fin member having auxiliary rear fins on both sides is rotatably supported in synchronization with the rear fins.
An annular member is rotatably supported inside the auxiliary fin member via a support shaft parallel to the auxiliary fin member.
The auxiliary rear fin member is configured by connecting the auxiliary rear fins between upper and lower flat plate portions arranged in parallel, and the upper portion and the lower portion of the annular member are parallel to the support shaft of the auxiliary rear fin member. It is rotatably supported between the flat plates via the support shaft.
One link bar is attached by connecting the connecting shaft provided on the flat plate portion of the auxiliary rear fin member and the connecting shaft of the rear fin.
A joint shaft of a universal joint arranged between the dial operation knob and the damper device is arranged so as to penetrate the inside of the annular member.
The rear portion of the dial operation knob is connected to the front end portion of the joint shaft via the universal joint.
In the damper device, a damper plate assembly having a first damper plate and a second damper plate is rotatably supported by the first damper plate and the second damper plate via a shaft portion coaxially. The damper plate assembly is supported by a damper support member, and is configured.
A cup-shaped portion is provided on the damper support member, a universal bearing is rotatably inserted into the cup-shaped portion, and the rear end portion of the joint shaft is fitted into the flexible bearing.
A cam mechanism is provided between the universal bearing and the damper plate assembly to transmit the rotation of the universal bearing to the damper plate assembly.
When the sliding member is slid by the dial operation knob, the auxiliary rear fin member rotates in synchronization with the rear fin via the annular member due to the movement of the joint shaft.
When the dial operation knob is rotated, the rotation of the joint shaft of the universal joint is transmitted to the damper plate assembly via the cam mechanism, and the damper plate assembly opens and closes. Register to do. The damper plate of the damper device is composed of a first damper plate and a second damper plate having a shape in which the cross section of the ventilation passage is substantially divided into two, and the damper plate is formed at the edge of the first damper plate and the second damper plate. A shaft portion is provided, and the shaft portion is roughly divided into a first shaft portion and a second shaft portion, the first shaft portion is provided at the edge portion of the first damper plate, and the second shaft portion is a second shaft portion. The register according to claim 1, wherein the end portion of the first shaft portion and the end portion of the second shaft portion are rotatably connected to each other provided at the edge portion of the damper plate. It said annular rib on both inner side walls of the member, register of claim 1, wherein the longitudinal direction and, characterized in that provided to be in contact with the joint axis. A locking convex portion for locking the damper support member is projected on both inner side walls of the retainer, and a locking portion locked to the locking convex portion is provided on the edge of the damper support member. The register according to claim 1, wherein the register is provided. A hemispherical tip portion is provided in the cup-shaped portion of the damper support member toward the upstream side, and the cup-shaped portion is fitted to the upstream side of the circular holding portion provided in the retainer via the frame portion. The register according to claim 1, wherein the register is characterized in that. Wherein the said plate of the upper and lower auxiliary after the fin member, said support shaft while being projected, according to claim 1, wherein the connecting shaft, characterized in that projecting from the position offset from the support shaft register .. A cam pin of the cam mechanism is projected from the first damper plate and the second damper plate, and each cam pin engages with a cam groove provided in the universal bearing of the cam mechanism to rotate the dial operation knob. When operated, the universal bearing rotates around the shaft via the connecting shaft, the joint shaft, and the universal joint engaging portion, and with the first damper plate via the cam pin that engages with the cam groove. The register according to claim 1, wherein the second damper plate rotates about the shaft portion.

Images