JP6629472B1 - Window opener - Google Patents

Abstract

Provided is a window opening / closing device in which a handle for manual operation is held so as not to move at the time of electric operation, and easily switches to manual operation when the handle is raised when a power failure occurs. A window opening / closing device includes an electric operation mechanism for rotating an operation shaft by a motor, and a manual operation mechanism for rotating the operation shaft by operating a handle. And is set along the window frame. The manual operation mechanism includes a clutch mechanism including a clutch hub 6 connected to the operation shaft 2, and a clutch sleeve 7 inserted into the clutch hub 6 and sliding in the axial direction to be disengaged from the clutch hub 6. When the handle 3 is folded, the clutch sleeve 7 is pushed in, the linkage with the operating shaft 2 is released, and when the handle 3 is raised, the clutch sleeve 7 pushed out by the urging member is engaged with the clutch hub 6 to operate. It is linked to the shaft 2. [Selection diagram] Fig. 4

Description

  The invention disclosed in the present application relates to a window opening / closing device, and more particularly, to a window opening / closing device capable of switching between an opening / closing operation by an electric force and an opening / closing operation by a manual force.

  Sliding windows, projecting windows, louver windows, awning windows, etc., which are provided on the walls of buildings, etc., operate the opening / closing mechanism of the window shoji by manually turning the handle of the opening / closing operator installed near the window frame. Many. In recent years, window sashes of this type have been increasing in size, and the use of multilayer glass and specifications of high heat insulation and high airtightness has often been adopted, which tends to increase the weight of window sashes. Along with this, it becomes difficult to manually operate the operator, and the opening and closing operation of the window shoji is becoming a burdensome task especially for women and the elderly.

  Therefore, window opening / closing devices capable of opening and closing an operator by electric power have been proposed in Patent Documents 1 to 4, for example. The window opening / closing devices disclosed in these documents basically connect an operating device driven by an electric motor instead of a handle to an operating shaft connected to an opening / closing mechanism of a window sash.

  In the window opening / closing devices disclosed in Patent Documents 1 and 2, a motor is attached to an operator body via a specially designed bracket, and an output shaft of the motor is connected to an operation shaft from which a manual handle is removed (see “Rotation transmission in Patent Document 1”). Shaft "and" connection part "in Patent Document 2). In the configuration described in Patent Document 1, the motor is cord-connected to a control unit installed near the window, and the control unit is remotely operated by a remote controller.

  The window opening / closing means disclosed in Patent Literature 3 is configured such that a motor box having a built-in motor is attached to an intermediate portion between an operator's operation shaft (in Patent Literature 3, a “driving unit”) and a handle, and the motor rotates by a gear. By transmitting the signal to the operation shaft via the link rotating unit, the window shoji can be opened and closed by either the handle (manual) or the motor (electrically driven). The motor box is cord-connected to a power supply and a control unit provided outside the window sash, and further provided with an operation switch (remote controller) for remotely controlling the motor outside the window sash.

  The window opening / closing means disclosed in Patent Document 4 is provided with a drive member for rotating an operation shaft (an “input shaft” in Patent Document 4) of an operator separately from an operator main body, and connects the drive member to an operator's operation shaft. It is designed to be removably connected to. The drive member includes a drive shaft that can be connected to the operator's operation shaft, a motor that rotates the drive shaft, a switch that starts and stops the motor, a switch that switches the rotation direction of the motor, and a deceleration that controls the rotation speed of the motor. And a variable torque limiter that causes the speed reducer to run idle when a rotation load greater than a set occurs due to the completion of the opening and closing operation of the window shoji, and a battery such as a rechargeable battery.

JP 2005-256395 A JP 2017-227081 A JP 2008-38368 A JP 2009-191455 A

  The window opening / closing means disclosed in Patent Literatures 1 and 2 is configured such that the motor connected to the operation shaft of the operator is always visible from the room. Therefore, depending on the shape and position of the motor, the appearance around the window may be improved. It could be spoiled. In the event of a power outage, there is an inconvenience that even if an attempt is made to open and close the window shoji manually, a handle for manual operation cannot be attached unless the motor is removed from the operation shaft of the operator. In addition, in the event of a power outage, there is a concern that a normally unused handle cannot be found immediately.

  The window opening / closing means disclosed in Patent Document 3 is used in a form in which both a motor box and a handle are attached to an operation shaft of an operator. Therefore, even if a power failure occurs, there is no inconvenience of searching for and replacing the handle and immediately. Can be manually opened and closed. However, a large-scale device configuration including both the motor box and the handle may impair the aesthetic appearance and openness around the window more than the configurations described in Patent Documents 1 and 2. In addition, according to this configuration, the handle for manual operation is also rotated when the window shoji is normally opened and closed by electric operation, so that it is somewhat unsightly and lacks safety.

  The window opening / closing means disclosed in Patent Literature 4 can be used even during a power failure because the driving member is driven by a battery. However, when the battery runs out, manual operation is still required, and the window opening / closing means is usually used. You have to look for no handle. In addition, since the drive member is configured to be connected to the operator's operation shaft each time the drive member is opened and closed, the end of the operator's operation shaft projects toward the room except during the opening and closing operation, and And not very desirable in terms of safety.

  The invention disclosed in this application has been made in view of the above circumstances, and a handle for manual operation is held in a safe state so as not to move at the time of electric operation, requiring manual operation. It is an object of the present invention to provide an electric / manual switching type window opening / closing device having a mechanism for easily switching to a manual operation without the trouble of searching for the handle and replacing the handle.

  In order to achieve the above object, a window opening and closing device of the invention disclosed in the present application is a window opening and closing device that opens and closes a window sliding door by rotating an operation shaft linked to a window sliding door opening mechanism around the axis. An electric operation mechanism for rotating the operation shaft by a driving force of a motor is connected to the operation shaft, and a handle for upright / foldable manual operation is provided near a tip end of the operation shaft; A manual operation mechanism for transmitting a rotation operation of the handle to the operation shaft; the manual operation mechanism is linked to the operation shaft when the handle is raised, and is linked to the operation shaft when the handle is folded. And a clutch mechanism to be disengaged.

  According to this configuration, since the manual operation mechanism is linked to the operation shaft according to the posture of the handle, the handle for manual operation is normally folded so as not to move when performing the electric opening and closing operation. When manual operation is required, the handle can be raised and the operation can be easily switched to manual operation.

  Further, in the window opening and closing device of the invention disclosed by the present application, in addition to the above-described basic configuration, the electric operation mechanism and the manual operation mechanism are installed along the window frame in a state surrounded by the operation unit cover. The tip of the operation shaft projects indoors from the surface of the operation unit cover, and the operation unit cover has a handle storage unit that can store the handle connected to the tip of the operation shaft in a folded state. And the configuration provided.

  According to this configuration, the electric operation mechanism and the manual operation mechanism can be assembled neatly along the window frame, and the folded handle is stored on the surface of the operation section cover, so that the appearance of the entire window opening / closing device is neat and beautiful. Can be summed up.

  Further, the window opening / closing device of the invention disclosed in the present application is characterized in that the above-mentioned manual operation mechanism is coaxially coupled to the operation shaft and is rotated integrally with the operation shaft, and is inserted outside the clutch hub. A clutch sleeve mounted and disengaged from the clutch hub by sliding in the axial direction of the operation shaft; an urging member for urging the clutch sleeve in a direction to be engaged with the clutch hub; A hinge member which connects the base end of the handle to the distal end so as to be able to be raised / folded, and a cam for manual operation inserted near the distal end of the operation shaft and engaged with the hinge member and the clutch sleeve; The hinge member and the cam for manual operation are assembled so as to idle with respect to the operation shaft, and when the handle is folded, it is pushed by the handle. The disengagement of the clutch sleeve from the clutch hub releases the link between the handle and the operating shaft, while raising the handle raises the clutch sleeve pushed out by the urging member. A specific configuration is adopted in which the clutch is engaged with the clutch hub, and the rotation operation of the handle is transmitted to the operation shaft via the hinge member, the manual operation cam, the clutch sleeve, and the clutch hub. .

  Further, a configuration is adopted in which the mechanism for engaging and disengaging the clutch sleeve and the clutch hub is based on a meshing clutch that transmits a driving force in both forward and reverse rotation directions.

  According to these configurations, the handle can be reliably and smoothly linked to / released from the operation shaft in accordance with the upright / folded state of the handle.

  According to the window opening and closing device disclosed in the present application, usually, when performing an electric opening and closing operation, the handle for manual operation can be folded so as not to move, and when manual operation becomes necessary Can easily be switched to manual operation by raising the handle, so that daily usability is improved, and the window sash can be opened and closed without trouble even in the event of a power failure or the like.

  Further, by configuring the operation unit cover that surrounds the mechanism portion to be able to store the folded handle, the aesthetic appearance when the window opening / closing device is viewed from the indoor side and the feeling of opening the entire window can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the window opening / closing apparatus of the invention which this application discloses, and the schematic structure of the window opened and closed using this. It is a perspective view showing the state where the handle of the window opening and closing device was raised. It is the perspective view which removed the operation part cover of the window opening and closing device, and showed the internal mechanism. It is an exploded perspective view of the main member linked to the operation shaft of the window opening and closing device. FIG. 5 is an explanatory diagram showing an engagement form between a clutch hub and a clutch sleeve among the main members shown in FIG. 4. FIG. 5 is an explanatory diagram showing an engagement form between a clutch sleeve and a manual operation cam among the main members shown in FIG. 4. It is principal part sectional drawing which shows the state of the manual operation mechanism when the handle of the said window opening / closing device is folded. It is principal part sectional drawing which shows the state of the manual operation mechanism at the time of raising the handle of the said window opening / closing device.

  Hereinafter, embodiments of the invention disclosed in the present application will be described with reference to the drawings.

  1 to 3 show a schematic configuration of a window opening / closing device 1 according to the invention disclosed in the present application. The window sash 10 in which the window opening and closing device 1 is installed is, for example, a vertical sliding window as shown in FIG. In the window sash 10, a window frame 101 and a window shoji 102 built in the window frame are connected via an opening / closing mechanism (not shown) including a friction stay 103 (see FIG. 2) and the like. Are linked.

  The window opening / closing device 1 for opening / closing the window sash 102 is installed along a lower frame 104 of the window frame 101. The window opening / closing device 1 is configured to include an operation shaft 2 (see FIGS. 3 to 8) that projects to the indoor side in association with the opening / closing mechanism. When the operation shaft 2 is rotated around the axis, the opening / closing mechanism moves in conjunction therewith, and the window shoji 102 opens and closes outdoors. However, the opening and closing mechanism can be configured by appropriately combining known ones, and the detailed configuration is not particularly limited in the invention disclosed in the present application.

  The window opening / closing device 1 disclosed in the present application includes a manual operation mechanism that rotates the operation shaft 2 by manual operation of the handle 3 and an electric operation mechanism that rotates the operation shaft 2 by the driving force of the motor 4 (see FIG. 3). It is configured in combination. The electric operation mechanism and the manual operation mechanism are assembled along the expected surface of the lower frame 104 while being surrounded by the operation unit cover 11. The distal end of the operation shaft 2 projects obliquely upward through the operation section cover 11, and a handle 3 for manual operation is attached to the protruding end via a hinge member 5 so as to be able to be raised and folded.

  The operation section cover 11 is provided with a concave groove-shaped handle storage section 12 that can store the handle 3 in a folded state. When the handle 3 is folded and stored in the handle storage section 12, the operation mode is the electric operation mode. Then, as shown in FIG. 2, when the handle 3 is raised from the handle storage unit 12, the knob 31 attached to the distal end of the handle 3 faces the indoor side, and a manual operation capable of rotating the handle 3 is performed. Mode. A mechanism that can realize such a switching operation will be described in detail below. In the following description, the viewpoint when the window sash 10 is viewed from the indoor side is set as the front view, and the upper, lower, left, and right directions are defined based on the direction, and the positional relationship and operation direction of each part / member are described. I do.

  FIG. 3 is a diagram illustrating an outline of an internal mechanism of the window opening / closing device 1 with the handle 3 and the operation unit cover 11 removed. The internal mechanism is horizontally laid out along the lower frame 104. The operation shaft 2 is arranged near the center in the left-right direction of the entire window opening / closing device 1 and protrudes obliquely upward to the indoor side. On the left side of the operation shaft 2, an electric operation mechanism configured by combining an AC type motor 4 and a plurality of gears 41 and the like for appropriately converting the driving force and transmitting the driving force to the operation shaft 2 is assembled. . On the right side of the operation shaft 2, a power supply unit for driving the motor 4, a control unit 42 for controlling rotation and stop of the motor 4, an operation switch 43, a remote control receiving and transmitting device 44, and the like are assembled.

  FIG. 4 is an exploded perspective view of a main member linked to the operation shaft 2. The base end of the operation shaft 2 is a worm portion 21 linked to a driven gear (not shown) incorporated in the opening / closing mechanism. A spline 22 that engages with a clutch hub, which will be described later, is formed on an outer peripheral surface of an intermediate portion near the base end of the operation shaft 2. A cylindrical portion having a smaller diameter than the spline 22 is formed near the distal end of the operation shaft 2. 23.

  The electric operation mechanism is linked to the operation shaft 2 via the electric operation gear 45. The electric operation gear 45 is a spur gear having a substantially uniform thickness, and is coaxially coupled near the base end of the operation shaft 2, and rotates integrally with the operation shaft 2. When the driving force of the motor 4 is transmitted to the electric operation gear 45 via the electric operation mechanism, the operation shaft 2 rotates in either the forward or reverse direction, and the window shoji 102 opens and closes. When the window sash 102 is completely closed or opened to the maximum, the control unit 42 detects an increase in the rotational torque of the motor 4 and stops the rotation of the motor 4.

  The manual operation mechanism includes a clutch hub 6 coupled to the operation shaft 2, a clutch sleeve 7 inserted into the outside of the clutch hub 6 and engaged with and disengaged from the clutch hub 6, and engages the clutch sleeve 7 with the clutch hub 6. A compression coil spring 24 as an urging member for urging in the direction, a manual operation cam 8 inserted near the distal end of the operation shaft 2 and engaged with the clutch sleeve 7, and a handle at the distal end of the operation shaft 2 And a hinge member 5 connecting the first and second hinges 3 to each other. All of these members are assembled coaxially with the operation shaft 2.

  FIG. 5 shows an engagement mode between the clutch hub 6 and the clutch sleeve 7, and FIG. 6 shows an engagement mode between the clutch sleeve 7 and the manual operation cam 8. FIG. 7 shows the arrangement of the members when the handle 3 is folded, and FIG. 8 shows the arrangement of the members when the handle 3 is raised.

  The clutch hub 6 has a cylindrical boss portion 61 and a plurality of meshing projections 62 protruding from an outer peripheral surface thereof. The boss portion 61 has a proportion whose axial length is slightly longer than its outer diameter, and a meshing projection 62 is formed on the outer peripheral surface of the boss portion 61 closer to the indoor in the axial direction. The plurality of meshing projections 62 all have the same shape, and are arranged at equal intervals along the circumferential direction of the boss 61. A key groove that engages with the spline 22 formed on the operation shaft 2 is formed on the inner peripheral surface of the hole 63 that passes through the axis of the boss 61. When the hole 63 is inserted into the spline 22 of the operation shaft 2, the clutch hub 6 rotates integrally with the operation shaft 2 and the electric operation gear 45. A circular small-diameter portion 64 is formed at the indoor end of the hole 63, and the cylindrical portion 23 of the operation shaft 2 is inserted into the small-diameter portion 64.

  The clutch sleeve 7 is formed along a short cylindrical play tube portion 71, an enlarged diameter portion 72 provided near the indoor end of the play tube portion 71, and an inner peripheral edge of the enlarged diameter portion 72. A plurality of engaging grooves 73 and a cam receiving portion 74 extending from the outer peripheral edge of the enlarged diameter portion 72 toward the indoor side.

  The play tube portion 71 has an inner diameter slightly larger than the outer diameter of the boss portion 61 of the clutch hub 6, is inserted outside the engagement projection 62 of the boss portion 61, and is mounted on the outside of the boss portion 61. It is assembled so as to be able to slide freely and slide in the axial direction.

  The enlarged diameter portion 72 is formed by increasing the peripheral edge of the indoor end of the play tube portion 71 in the radially outward direction. The outer diameter of the enlarged diameter portion 72 is larger than the outer diameter of the engagement projection 62 of the clutch hub 6, and the thickness of the enlarged diameter portion 72 in the axial direction is greater than the thickness of the engagement projection 62 of the clutch hub 6.

  The engagement groove 73 has a shape that matches the engagement protrusion 62 of the clutch hub 6, and is opened by the same number as the engagement protrusion 62 on the indoor side end surface of the enlarged-diameter portion 72, and is engaged with and disengaged from the engagement protrusion 62 from the outdoor side. . FIG. 5 is an explanatory diagram showing an engagement form between the clutch hub 6 and the clutch sleeve 7.

  The cam receiving portion 74 greatly extends from the outer peripheral edge of the enlarged diameter portion 72 to the indoor side so as to surround the outside of the engagement projection 62 of the clutch hub 6. The cam receiving portion 74 has a shape in which a peripheral wall portion of the cylindrical body is cut out at substantially equal width in the axial direction, and is opposed to a point symmetric position about the axis of the operation shaft 2. The indoor end surface of the cam receiving portion is a flat surface orthogonal to the axis of the operation shaft 2, and a chamfer is formed at a corner of the end surface.

  The compression coil spring 24 as an urging member is inserted outside the play tube portion 71 of the clutch sleeve 7 and urges the enlarged diameter portion 72 and the electric operation gear 45 in a direction of separating from each other. With this biasing force, the clutch sleeve 7 is constantly pushed out toward the indoor side.

The manual operation cam 8 includes a base cylinder portion 81 having an elongated cylindrical shape, a flange portion 82 provided near an end of the base cylinder portion 81 on the outdoor side, and a protrusion 2 extending radially outward of the flange portion 82. And an engagement piece 83 at the place.
The base cylinder portion 81 has a smooth inner peripheral surface, is inserted into the cylindrical portion 23 of the operation shaft 2, and is held so as to be able to idle with respect to the operation shaft 2. A spline-shaped ridge 84 is formed on the outer peripheral surface of the base cylinder portion 81.
The flange portion 82 is formed in a disk shape having an outer diameter substantially equal to the outer diameter of the engagement projection 62 of the clutch hub 6, and is inserted into the cam receiving portion 74 of the clutch sleeve 7. A circular concave portion 85 that can accommodate the vicinity of the indoor end of the boss portion 61 of the clutch hub 6 is formed on the outdoor end surface of the flange portion 82.
The engagement piece 83 is a fan-shaped part in a front view that fits into a notch formed in the cam receiving part 74 of the clutch sleeve 7. The engagement piece 83 projects radially outward with a thickness substantially the same as the thickness of the flange portion 82, and has an outer peripheral surface substantially matching the outer peripheral surface of the cam receiving portion 74. The engagement piece 83 is always engaged with the cam receiving portion 74 of the clutch sleeve 7 and is held so as to be able to slide in the axial direction with respect to the clutch sleeve 7.

  The hinge member 5 includes a head portion 51 having a shape in which a short cylindrical portion protrudes from the back side of a rectangular parallelepiped block having a rounded shape, and a handle support arm portion 52 protruding from the side of the head portion 51. Have. The head 51 has a mounting hole to be inserted into the base tube portion 81 of the manual operation cam 8. A concave groove is formed on the inner peripheral surface of the mounting hole to engage with a ridge 84 formed on the outer peripheral surface of the base cylinder portion 81. In addition, a small-diameter through hole 53 communicating with the mounting hole is formed on the front surface side of the head 51, and the opening end of the through hole 53 is subjected to dishing. Then, the base cylinder portion 81 of the manual operation cam 8 is inserted into the mounting hole, and the fixing screw 54 inserted into the through hole 53 from the surface side of the head portion 51 is formed on the cylindrical portion 23 of the operation shaft 2. The female screw hole 25 is screwed. As a result, the hinge member 5 and the manual operation cam 8 are assembled so as to rotate integrally and to idle with respect to the operation shaft 2.

  A base end of the handle 3 is rotatably connected to a protruding end of the handle support arm 52 via a pin member 32. The handle 3 has a substantially U-shaped cross section orthogonal to the longitudinal direction, and a knob 31 is attached near the distal end on the concave side.

  When the handle 3 is folded, its concave side covers the hinge member 5 and the side edge 33 of the handle 3 abuts against the end face of the cam receiving portion 74 of the clutch sleeve 7 to push the clutch sleeve 7 to the outside. Then, as shown in FIGS. 5 and 7, the engagement groove 73 formed in the enlarged diameter portion 72 of the clutch sleeve 7 separates from the engagement protrusion 62 of the clutch hub 6, and the clutch sleeve 7 and the clutch hub 6 idle with each other. Then, the link between [operation shaft 2 + electric operation gear 45 + clutch hub 6] and [clutch sleeve 7 + manual operation cam 8 + hinge member 5 + handle 3] is released. Therefore, the electric operation by the motor 4 becomes possible even when the handle 3 is stored in the handle storage section 12 of the operation section cover 11.

  When the handle 3 is taken out of the handle storage portion 12 and raised, the side edge 33 of the handle 3 is separated from the cam receiving portion 74 of the clutch sleeve 7, and the clutch sleeve 7 is pushed out to the indoor side by the urging force of the compression coil spring 24. . Then, as shown in FIG. 8, the engagement groove 73 formed in the enlarged diameter portion 72 of the clutch sleeve 7 engages with the engagement protrusion 62 of the clutch hub 6, so that [operation shaft 2 + electric operation gear 45 + clutch hub 6 ] And [clutch sleeve 7 + manual operation cam 8 + hinge member 5 + handle 3] are linked. When the handle 3 is turned in this state, the operation shaft 2 also rotates, so that the opening and closing operation can be performed manually.

  As described above, the window opening / closing device 1 disclosed in the present application includes the meshing clutch mechanism including the clutch hub 6 connected to the operation shaft 2 and the clutch sleeve 7 that rotates in association with the operation of the handle 3. The clutch mechanism is configured to engage and disengage (mesh / non-mesh) in conjunction with the attitude of the handle 3. By adopting such a clutch mechanism, the window shoji 102 is normally opened and closed electrically while the handle 3 is folded, and the handle 3 can be opened and closed manually in the event of a power failure. it can. There is no need to search for the steering wheel 3 when a power failure occurs. Of course, the manual opening and closing operation can be performed not only during a power outage. The meshing clutch mechanism smoothly engages and disengages from the clutch hub 6 by sliding the clutch sleeve 7 in the axial direction, and reliably transmits rotational torque in both the forward and reverse directions. Also excellent in nature.

  It should be noted that the technical scope of the invention disclosed in the present application should not be interpreted in a limited manner by the illustrated embodiment, but should be interpreted conceptually based on the description in the claims. In practicing the invention disclosed in the present application, the shapes, arrangements, arrangements, and the like of the components of the mechanism can be appropriately modified within a range in which substantially the same operational effects as those of the exemplary embodiment can be obtained.

DESCRIPTION OF SYMBOLS 1 Window opening / closing device 11 Operation part cover 12 Handle storage part 2 Operation shaft 21 Warm part 22 Spline 23 Column part 24 Compression coil spring (biasing member)
25 female screw hole 3 handle 31 knob 32 pin member 33 side edge 4 motor 41 gear 42 control unit 43 operation switch 44 remote control receiving and transmitting device 45 electric operation gear 5 hinge member 51 head 52 handle support arm 53 through hole 54 Fixing screw 6 Clutch hub 61 Boss part 62 Meshing projection 63 Hole part 64 Small diameter part 7 Clutch sleeve 71 Play tube part 72 Large diameter part 73 Meshing groove 74 Cam receiving part 8 Manual operation cam 81 Base cylinder part 82 Flange part 83 Engagement piece 84 Convex stripe 85 Circular recess 10 Window sash 101 Window frame 102 Window shoji 103 Friction stay 104 Lower frame

Claims (4)

In a window opening / closing device in which a window sash is opened and closed by rotating an operation shaft linked to a window sash opening / closing mechanism around the axis,
An electric operation mechanism that rotates the operation shaft by a driving force of a motor is linked to the operation shaft,
A handle for upright / foldable manual operation and a manual operation mechanism for transmitting a rotation operation of the handle to the operation shaft are assembled near the distal end of the operation shaft,
The window opening / closing device, wherein the manual operation mechanism includes a clutch mechanism that is linked to the operation shaft when the handle is raised, and that is disconnected from the operation shaft when the handle is folded. The window opening / closing device according to claim 1,
The electric operation mechanism and the manual operation mechanism are installed along the window frame in a state surrounded by the operation unit cover,
The tip of the operation shaft projects indoors from the surface of the operation unit cover,
A window opening / closing device, wherein the operation unit cover is provided with a handle storage unit that can store the handle connected to a distal end portion of the operation shaft in a folded state. The window opening / closing device according to claim 1 or 2,
The manual operation mechanism includes:
A clutch hub which is coaxially coupled to the operation shaft and rotates integrally with the operation shaft;
A clutch sleeve that is inserted outside the clutch hub and slides in the axial direction of the operating shaft to engage and disengage with the clutch hub;
An urging member for urging the clutch sleeve in a direction to be engaged with the clutch hub;
A hinge member that erects / folds a base end portion of the handle at a tip end portion of the operation shaft;
A manual operation cam inserted near the distal end of the operation shaft and engaged with the hinge member and the clutch sleeve;
With
The hinge member and the cam for manual operation are assembled so as to idle with respect to the operation shaft,
When the handle is folded, the clutch sleeve pushed by the handle is detached from the clutch hub, whereby the link between the handle and the operation shaft is released,
When the handle is raised, the clutch sleeve pushed out by the urging member is engaged with the clutch hub, and rotation of the handle is performed by the hinge member, the manual operation cam, the clutch sleeve, and the clutch hub. A window opening / closing device, which is transmitted to the operation shaft via a shaft. The window opening / closing device according to claim 3,
A window opening / closing device, wherein an engagement / disengagement mechanism between the clutch sleeve and the clutch hub is a meshing clutch that transmits a driving force in both forward and reverse rotation directions.

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