Lifting device

Abstract

To provide a hanging device excellent in handleability in spite of a simple constitution.SOLUTION: A hanging device of the present invention includes a runner body traveling along a guide rail, a case body fixed in a state of being buried in an upper end part of a door opening / closing along the guide rail, a holder body stored in the case body and integrated with the case body, a connecting body connecting the runner body and the holder body, and an operation lever body rotatably attached inside the holder body. The holder body has a subject portion therein to be engaged with the operation lever body. The operation lever body has a rotary shaft on which the operation lever body is pivotally supported against the holder body in a rotatable manner, an engagement portion that is engaged with the subject portion of the holder body when the holder body is brought into integration with the case body, an operation piece for rotating the operation lever body, and a projecting portion that contacts the wall surface inside the case body when the operation lever body is rotated to act to push the holder body outward from the case body.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a hanging device used for a door. [Background technology]

[0002] Conventionally, a structure has been disclosed for a hanging device in which a runner base is inserted and loaded into a holding case that is fixed in an embedded state in the upper corner of a hanging door panel, and the runner body connected to the runner base via a runner shaft is made to run along a running rail (see, for example, Patent Document 1).

[0003] In the lifting device described in Patent Document 1, the runner stand is forcibly pushed out of the holding case by a component of the reaction force that the locking body receives from the inclined cam surface in conjunction with the unlocking operation of the release lever.

[0004] Also, there is a type of lifting device that is composed of a runner body that runs along an upper guide rail, a connecting shaft that protrudes downward from the runner body, and a runner attachment that is connected to the connecting shaft. This runner attachment is also composed of an outer case that is fixed to the hanging door and an inner case that is attached to the connecting shaft, and the inner case is detachable from the outer case (for example, see Patent Document 2).

[0005] In the lifting device described in Patent Document 2, when the locking member is depressed with a rod-shaped object such as a Phillips head screwdriver, the protruding shaft comes into contact with the inclined side of the outer case and slides along the inclined side, which in turn pushes the inner case forward and pulls it out of the outer case in the removal direction. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-76431 [Patent Document 2] Japanese Patent Application Laid-Open No. 2009-167710 Summary of the Invention [Problem to be solved by the invention]

[0007] Incidentally, the lifting devices described in Patent Documents 1 and 2 both have a large number of parts and are complex in configuration.

[0008] The lifting device of Patent Document 1 requires a strong force to operate the release lever, making it difficult to operate. The lifting device of Patent Document 2 requires a separate tool such as a Phillips head screwdriver, making it difficult to use.

[0009] The present invention has been made in view of the above points, and has as its object to provide a lifting device that is simple in configuration and easy to use. [Means for solving the problem]

[0010] In order to solve this problem, the lifting device of the present invention comprises a runner body that runs along a guide rail, a case body that is fixed in an embedded state in the upper end of a door that opens and closes along the guide rail, a holder body that is contained in the case body and integrated with the case body, a connecting body that connects the runner body and the holder body, and an operating lever body that is rotatably attached inside the holder body, the holder body having an interlocking portion that engages with the operating lever body inside, and the operating lever body has a rotating shaft that supports the operating lever body rotatably relative to the holder body, an interlocking portion that interlocks with the interlocking portion of the holder body when the holder body is integrated with the case body, an operating piece for rotating the operating lever body, and a protrusion that comes into contact with the inner wall surface of the case body and acts to push the holder body outward from the case body when the operating lever body rotates.

[0011] In the present invention, it is preferable that the holder body has a biasing body, and the operating lever body maintains an engaged state between the engaged portion of the holder body and the engaging portion of the operating lever body by the biasing force of the biasing body.

[0012] In the present invention, it is preferable that the holder body has a lid portion that is exposed to the outside when housed in the case body and closes the case body, and that the lid portion has a tapered surface formed on the side end surface that is exposed when the holder body is housed in the case body. [Effects of the Invention]

[0013] It is possible to realize a lifting device that has a simple configuration and is easy to use. [Brief explanation of the drawings]

[0014] [Figure 1] 1 is an exploded perspective view showing the configuration of a hoisting device according to an embodiment of the present invention; [Figure 2] 1 is a perspective view showing a configuration of a hoisting device according to an embodiment of the present invention; [Figure 3] 1A is a side view showing the configuration of the cover portion in a state where the holder body is housed in the door, and FIG. 1B is a side view showing the configuration of the cover portion in a state where the holder body is slightly protruding from the door in this embodiment. [Figure 4] 2 is a perspective view showing the configuration of an operating lever body of the hoisting device in the present embodiment. FIG. [Figure 5] 1 is a side view showing the configuration of the outer portion of the case body and holder body of the hoisting device in this embodiment. FIG. [Figure 6] 10 is a side view illustrating an engagement state between the case body and the holder body at the outer portions of the hoisting device in this embodiment. FIG. [Figure 7] 1 is a side view showing the configuration of the inner portion of the case body and holder body of the hoisting device in this embodiment. FIG. [Figure 8] 10 is a side view illustrating an engagement state between the case body and the holder body at the inner portion of the hoisting device in this embodiment. FIG. [Figure 9] 10 is a side view illustrating a state in which the operating lever body and the case body of the hoisting device are engaged with each other in the present embodiment. FIG. [Figure 10] 10 is a side view illustrating a state in which the operating lever body and the case body of the hoisting device are disengaged from each other in this embodiment. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0015] (1) Overview of the embodiment First, a typical embodiment of the invention disclosed in this application will be outlined. In the following description, for example, reference numerals in the drawings corresponding to the components of the invention will be given in parentheses.

[0016] [1] A lifting device (100) according to a representative embodiment of the present invention comprises a runner body (10) that runs along a guide rail, a case body (20) that is fixed in a state embedded in the upper end of a door (D) that opens and closes along the guide rail, a holder body (30) that is housed in the case body (20) and integrated with the case body (20), a connector (40) that connects the runner body (10) and the holder body (30), and an operating lever body (50) that is rotatably attached inside the holder body (30), and the holder body (30) has an engaging member (40) therein that engages with the operating lever body (50). The operating lever body (50) has a rotation shaft (50p) on which the operating lever body (50) is rotatably supported relative to the holder body (30), a locking portion (51s) that locks with the locked portion (23s) of the holder body (30) when the holder body (30) is integrated with the case body (20), an operating piece (55) for rotating the operating lever body (50), and a protrusion portion (530) that comes into contact with the inner wall surface (22a) of the case body (20) and acts to push the holder body (30) outward from the case body (20) when the operating lever body (50) rotates.

[0017] [2] In the above-mentioned lifting device (100), the holder body (30) has a biasing body (60), and the operating lever body (50) maintains an engaged state between the engaged portion (23s) of the holder body (30) and the engaging portion (51s) of the operating lever body (50) by the biasing force of the biasing body (60).

[0018] [3] In the above-mentioned lifting device (100), the holder body (30) is exposed to the outside when housed in the case body (20) and has a lid portion (32) that closes the case body (20), and the lid portion (32) has a tapered surface (37) formed on the side end surface that is exposed when the holder body (30) is housed in the case body (20).

[0019] (2) This embodiment The configuration of the hoisting device according to this embodiment will be described in detail below with reference to FIGS. 1 to 10. FIG. 1 is an exploded perspective view showing the configuration of the hoisting device according to this embodiment. FIG. 2 is a perspective view showing the configuration of the hoisting device according to this embodiment. FIG. 3 is a side view showing the configuration of the cover when the holder body according to this embodiment is housed in the door (A) and when the holder body slightly protrudes from the door (B). FIG. 4 is a perspective view showing the configuration of the operating lever body of the hoisting device according to this embodiment. FIG. 5 is a side view showing the configuration of the outer parts of the case body and holder body of the hoisting device according to this embodiment. FIG. 6 is a side view provided for explaining the engagement state of the outer parts of the case body and holder body of the hoisting device according to this embodiment. FIG. 7 is a side view showing the configuration of the inner parts of the case body and holder body of the hoisting device according to this embodiment. FIG. 8 is a side view provided for explaining the engagement state of the inner parts of the case body and holder body of the hoisting device according to this embodiment. FIG. 9 is a side view provided for explaining the engagement state of the operating lever body and case body of the hoisting device according to this embodiment. FIG. 10 is a side view illustrating the disengaged state between the operating lever body and the case body of the hoisting device in this embodiment.

[0020] As shown in FIG. 1, the door D in this embodiment is a sliding door or folding door that slides on upper and lower rails provided on the upper and lower frames of a sliding door frame (not shown) fixed to the periphery of an opening in a structure such as a building.

[0021] For convenience of explanation, the opening and closing direction of the door D may be referred to as the left-right direction. That is, the direction of arrow a that closes the door D is referred to as the closing direction or leftward, and the direction of arrow b that opens the door D is referred to as the opening direction or rightward. The direction of gravity (direction of arrow cd) that is perpendicular to the opening and closing direction of the door D (direction of arrow ab) may be referred to as the up-down direction. Furthermore, the depth direction (direction of arrow ef) that is perpendicular to the opening and closing direction of the door D (direction of arrow ab) may be referred to as the front-to-back direction. That is, the direction of arrow e when the door D is pushed from the front side to the back side of the page is referred to as the back side, and the direction of arrow f when the door D is pulled from the back side to the front side of the page is referred to as the front side. However, the left-to-right direction, up-down direction, and front-to-back direction are used for convenience of explanation only, and may be defined as different directions depending on the usage situation of the door D.

[0022] The door D is a plate-like member having a generally rectangular shape in a plan view. The hoisting device 100 in this embodiment has a runner body 10 that runs along a guide rail (not shown), a case body 20 that is fixed in an embedded state at the upper end of the door D that opens and closes along the guide rail, a holder body 30 that is housed in the case body 20 and integrated with the case body 20, a connector 40 that connects the runner body 10 and the holder body 30, an operating lever body 50 that is rotatably attached inside the holder body 30, and a spring 60.

[0023] The runner body 10 has a runner main body 11 having an approximately rectangular parallelepiped shape, roller support shafts 12 journaled on both side ends of the runner main body 11 in the opening / closing direction (arrow ab direction), and rollers 13 (four in total) journaled by the roller support shafts 12 in the depth direction of the runner main body 11 (arrow ef direction), two on each side.

[0024] The runner body 10 is movable freely in the opening / closing direction (arrow ab direction) along the upper guide rail by rolling the four rollers 13 in the running grooves of the upper guide rail. The runner body 10 also has a rod-shaped connecting body 40 that extends downward (arrow d direction) from the center between the two roller support shafts 12 in the runner main body 11 and is connected to the holder body 30.

[0025] The case body 20 has an overall rectangular parallelepiped shape that is roughly U-shaped in a plan view when viewed from the closed direction (direction of arrow a), and is a storage case that integrates the holder body 30 when the holder body 30 is accommodated in the internal space through an opening 20a provided in the closed direction (direction of arrow a).

[0026] Case body 20 has two side walls 21 that form a U shape, a wall (hereinafter referred to as the "rear wall") 22 that is connected to the two side walls 21 and is provided at the end in the opening direction (the direction of arrow b) that faces opening 20a, and a wall (hereinafter referred to as the "bottom wall") 23 that connects the two side walls 21. Case body 20 is embedded in a notch Dk provided at the upper end of door D, and is fixed integrally to door D with screws or the like via two through holes 25 (Fig. 2) provided in rear wall 22.

[0027] Each of the two side walls 21 of the case body 20 has a concave guide groove 21m cut out to a predetermined length from a single edge in the closing direction (direction of arrow a) toward the opening direction (direction of arrow b). The guide groove 21m serves as a guide when the holder body 30 is accommodated in the case body 20, and is a groove into which a guide protrusion 39 (described later) provided on the holder body 30 is fitted.

[0028] As shown in Figures 7 and 8, the case body 20 has an engagement recess 222 located at approximately the center of the inner surface (hereinafter referred to as the "inner surface") 22a of the rear wall 22, in a protruding portion that protrudes slightly from the inner surface 22a in the closing direction (direction of arrow a), and which engages with an engagement protrusion 38 (described later) of approximately rectangular parallelepiped shape formed on the holder body 30.

[0029] The engagement recess 222 of the case body 20 has an opening 222a for engaging with the engagement protrusion 38 of the holder body 30. The engagement recess 222 is a concave space formed in a protruding portion that protrudes a predetermined length from the inner surface 22a of the rear wall 22 in the closing direction (direction of arrow a). The opening 222a of the engagement recess 222 is formed to be the same size as or slightly larger than the engagement protrusion 38 of the holder body 30.

[0030] 8 to 10, the bottom wall 23 of the case body 20 has a bank portion 23s as an engaged portion that protrudes upward (in the direction of arrow c) at the end in the closing direction (in the direction of arrow a). The bank portion 23s of the bottom wall 23 comes into contact with a corner portion 51s (described later) of the operating lever body 50, and when the holder body 30 is housed in the case body 20, the bank portion 23s and the corner portion 51s are engaged by frictional force.

[0031] Incidentally, the bank portion 23s has an inclined surface 23sk (Figure 9) that is formed so as to slope in the closing direction (direction of arrow a) and upward (direction of arrow c) when rising upward from the bottom wall 23.

[0032] As shown in Figures 1 and 2, the holder body 30 has an accommodated portion 31 that is accommodated in the inner space of the case body 20, and a lid portion 32 that is integral with the end of the accommodated portion 31 in the closing direction (direction of arrow a) and that closes the opening 20a of the case body 20.

[0033] The accommodated portion 31 of the holder body 30 has an accommodated main body 310 having an approximately rectangular parallelepiped shape and a leg portion 311 having a trapezoidal shape in a side view and protruding downward (in the direction of arrow c) from the end of the accommodated main body 310 on the side facing the opening direction (in the direction of arrow b).

[0034] The accommodated main body 310 is formed integrally with the lid 32 of the holder body 30. The accommodated main body 310 is attached to the end 40a of the connecting body 40 inside the accommodated main body 310. The accommodated main body 310 has a substantially rectangular parallelepiped engaging protrusion 38 (FIG. 2) that protrudes from the end face on the case body 20 side toward the case body 20 side.

[0035] The accommodated main body 310 also has a triangular prism-shaped protrusion 35 that protrudes from the upper end of the end face on the case body 20 side toward the case body 20 in the opening direction (the direction of arrow b) in a triangular shape in a side view. The tip of the triangular prism-shaped protrusion 35 is chamfered. The triangular prism-shaped protrusion 35 is connected to the upper surface of the accommodated main body 310 so as to be flush with it (Fig. 1).

[0036] The engaging protrusion 38 is a portion that engages with an engaging recess 222 provided on the inner surface 22a of the rear wall 22 of the case body 20 when the holder body 30 is housed in and integrated with the case body 20. Therefore, by engaging the engaging protrusion 38 of the holder body 30 with the engaging recess 222 of the rear wall 22 of the case body 20, the position of the holder body 30 in the up-down direction (direction of arrow cd) relative to the case body 20 is determined, and the holder body 30 is integrated in a stable state.

[0037] The leg portion 311 of the accommodated portion 31 in the holder body 30 has a through hole 311h formed in the depth direction (arrow ef direction) at the end on the lower side (arrow d direction). The through hole 311h of the leg portion 311 is provided for inserting a pin 50p of the operating lever body 50, which will be described later.

[0038] Therefore, when the operating lever body 50 is pivotally supported by the pin 50p on the leg portion 311 of the holder body 30, the operating lever body 50 is able to rotate clockwise and counterclockwise around the pin 50p as a fulcrum.

[0039] The cover 32 of the holder body 30 has a hole (hereinafter referred to as an "operation hole") 320 (Fig. 1) that penetrates in a generally U-shape when viewed from the front in the closing direction (the direction of arrow a). The operation hole 320 of the cover 32 is formed with a width and length that is large enough for an operator's fingertip to fit through.

[0040] Furthermore, a substantially U-shaped wall portion (hereinafter referred to as the "lid wall portion") 321, which is provided partially to close the through-hole, is integrally formed as part of the lower portion (in the direction of arrow d) of the lid portion 32. An operating piece 55, which serves as an operating part when an operator operates an operating lever body 50 (described later), is engaged with this lid wall portion 321.

[0041] As shown in Figures 3(A) to (C), the lid portion 32 of the holder body 30 has end faces (hereinafter referred to as "side end faces") 33 on both sides along the opening / closing direction (direction of arrow ab), and a tapered surface 37 that is inclined so that the two gradually approach each other as they move from the middle of the side end faces 33 toward the case body 20 in the opening direction (direction of arrow b).

[0042] The side end surface 33 and the tapered surface 37 of the lid portion 32 are in a state where the holder body 30 is integrated with the case body 20. exposure However, when the holder body 30 and the case body 20 are housed in the recessed portion Dk of the door D and are embedded, both are hidden.

[0043] This tapered surface 37 is provided to reduce the contact area with the inner surface of the door D that forms the space of the cutout portion Dk, so that the holder body 30 can be easily pulled out of the case body 20 when the hanging device 100 is housed in the cutout portion Dk of the door D.

[0044] 4, the operating lever body 50 is a rotating element made of metal, and has a lever body 51, two arms 52 and 53, and an operating piece 55. The lever body 51 has an inverted U-shaped cross section, and is formed integrally with the arms 52 and 53 and the operating piece 55.

[0045] The lever body 51 and arms 52, 53 are integrally connected to each other when viewed from the rear side (direction of arrow e) and the front side (direction of arrow f), and have an approximately triangular shape that becomes thinner as it moves from the closing direction (direction of arrow a) to the opening direction (direction of arrow b).

[0046] The lever body 51 has a corner 51s at its end on the lower side (arrow d direction) in the closing direction (arrow a direction) in a side view, and the tip of the corner 51s is chamfered. The corner 51s of the lever body 51 comes into contact with the inclined surface 23sk of the bank portion 23s of the case body 20 described above, and is a locking portion where the corner 51s and the bank portion 23s are locked together by frictional force.

[0047] The arm 52 of the operating lever body 50 is a part that extends in a straight line from the end at the rear side (in the direction of arrow e) of the lever main body 51 toward the case body 20 in the opening direction (in the direction of arrow b), and has a through hole 52h at the tip in the opening direction (in the direction of arrow b) through which the pin 50p is inserted.

[0048] Arm 53 of operating lever body 50 is a part that extends linearly from the end of lever body 51 on the front side (arrow f direction) toward case body 20 in the opening direction (arrow b direction), and is provided parallel to arm 52. Like arm 52, arm 53 also has a through hole 53h at its tip in the opening direction (arrow b direction) through which pin 50p is inserted.

[0049] Furthermore, arm 53 of operating lever body 50 has protruding portion 530 that is triangular in plan view and extends a predetermined length upward (in the direction of arrow c) from the tip in the opening direction (in the direction of arrow b). Protruding portion 530 is provided only on arm 53, but this is not limited thereto, and protruding portion 530 may be provided only on arm 52, or may be provided on both arms 52 and 53.

[0050] Since protruding portion 530 protrudes upward (in the direction of arrow c) from the vicinity of pin 50p journaled on leg portion 311 of holder body 30, when operating lever body 50 rotates clockwise (FIG. 9) via pin 50p relative to leg portion 311 of holder body 30, the tip of protruding portion 530 presses against end surface 26a of portion 26 (hereinafter referred to as "step portion") protruding from inner surface 22a of rear wall 22 in the closing direction (in the direction of arrow a) (FIG. 10(B)). Here, step portion 26 is provided at a position that does not overlap with the above-mentioned engagement recess 222 and engagement protrusion 38 in the depth direction (in the direction of arrow ef), and is located on inner surface 22a of rear wall 22 opposite protruding portion 530 of operating lever body 50.

[0051] As a result, the holder body 30, which is attached integrally with the operating lever body 50, moves in the closing direction (direction of arrow a) as if being pushed out from the case body 20, and the engagement between the corner portion 51s of the lever main body 51 and the bank portion 23s of the case body 20 is released.

[0052] The spring 60 is a biasing body disposed between the accommodated body 310 of the holder body 30 and the lever body 51 of the operating lever body 50, and serves to constantly press the operating lever body 50 downward (in the direction of arrow d). In other words, the spring 60 functions to maintain the operating lever body 50 and the case body 20 in a state where they are attached together.

[0053] Here, the spring 60 is not limited to being simply arranged between the accommodated body 310 of the holder body 30 and the lever body 51 of the operating lever body 50, but may also be fixed to either or both of the accommodated body 310 or the lever body 51.

[0054] In the above-described configuration, when the runner body 10 is attached to the door D, as shown in Figures 9(A) and (B) in the hanging device 100, the operating piece 55 of the operating lever body 50 is engaged with the cover wall portion 321 of the operating hole 320 of the holder body 30, and the state in which the corner portion 51s of the lever body 51 and the inclined surface 23sk of the bank portion 23s of the bottom wall 23 of the case body 20 are engaged is maintained by the biasing force of the spring 60. In other words, the holder body 30 is maintained housed in the case body 20.

[0055] On the other hand, when an operator removes the runner body 10 from the door D as necessary, the operator pushes the operation piece 55 engaged with the cover wall portion 321 of the operation hole 320 of the holder body 30 upward (in the direction of arrow c) with his or her fingertip.

[0056] At this time, as shown in Figure 10(A), the operating lever body 50 rises upward (in the direction of arrow c) against the biasing force of the spring 60, and as the operating lever body 50 rotates, the tip of the protrusion 530 provided at the tip of the arm 53 presses against the end surface 26a of the step portion 26 of the rear wall 22.

[0057] As a result, the force rotating the operating lever body 50 clockwise around the pin 50p exceeds the frictional force between the inclined surface 23sk of the bank portion 23s of the case body 20 and the corner portion 51s of the lever body 51 of the operating lever body 50. As a result, the locked state between the case body 20 and the operating lever body 50 is released, and a gap G (FIG. 10(A)) is created between the case body 20 and the cover portion 32 of the holder body 30. In other words, the cover portion 32 slightly protrudes from the cutout portion 32Dk of the door D (FIG. 3).

[0058] At this time, since the accommodated main body 310 moves in the closing direction (direction of arrow a), the contact state between the triangular prism-shaped protrusion 35 of the accommodated main body 310 and the upper corner of the rear wall 22 is also released, as shown in Figure 8(B). At the same time, the engagement state between the engagement protrusion 38 of the holder body 30 and the engagement recess 222 of the rear wall 22 of the case body 20 is released, and the engagement state between the guide protrusion 39 of the holder body 30 and the guide groove 21m of the case body 20 is released.

[0059] Therefore, there is almost no contact resistance between the triangular prism-shaped projection 35, the engaging projection 38 and the guide projection 39 of the holder body 30 and the case body 20, and the holder body 30 can be easily pulled out from the case body 20.

[0060] In this case, the lid portion 32 has a tapered surface 37, which reduces the contact resistance with the inner surface of the door D that forms the notch 32Dk. Therefore, the operator can remove the holder body 30 with a light force by simply pulling the operating piece 55 of the operating lever body 50 in the closing direction (the direction of arrow a) while holding it with the tip of a finger.

[0061] In this way, the operator can push up the operating piece 55 of the operating lever body 50 with his / her fingertip to release the engagement between the holder body 30 and the case body 20, and then pull out the operating piece 55 while still holding it with his / her fingertip, thereby easily pulling out the holder body 30 from the case body 20 in the closing direction (direction of arrow a). As a result, the runner body 10 attached to the holder body 30 is removed from the door D.

[0062] According to the above configuration, the lifting device 100 has a small number of parts and a simple configuration, mainly consisting of the holder body 30, the case body 20, and the operating lever body 50, and the holder body 30 can be easily removed from the case body 20 with little force.

[0063] Furthermore, in the lifting device 100, the pin 50p (fulcrum) when the operating lever body 50 rotates and the protruding portion 530 (point of action) of the arm 53 are positioned at the farthest position from the operating piece 55 (point of force) and in the vicinity of the back wall 22 of the case body 20. This allows the worker to push up the operating piece 55 of the operating lever body 50 with their fingertips with minimal force, and also allows the holder body 30 to be easily pulled out of the case body 20.

[0064] (3) Other embodiments In the above-described embodiment, an engaging recess 222 is provided at approximately the center of the inner surface 22a of the rear wall 22 of the case body 20, protruding slightly from the inner surface 22a in the closing direction (direction of arrow a) and engaging with a substantially rectangular parallelepiped engaging protrusion 38 provided on the holder body 30. However, this is not limiting, and the engaging recess 222 may be provided on the inner surfaces of the two side walls 21 of the case body 20, and the engaging protrusion 38 may be provided on the side of the accommodated main body 310 of the holder body 30, and the location is not particularly limited.

[0065] Furthermore, in the above-described embodiment, the runner body 10 is described as having four rollers 13 that roll along the running groove of the upper guide rail, but the present invention is not limited to this, and the runner body may also slide along the upper guide rail.

[0066] In addition, those skilled in the art can appropriately modify the hoisting device 100 of the present invention in accordance with conventionally known knowledge. As long as such modifications still comprise the configuration of the present invention, they are of course included in the scope of the present invention. [Explanation of symbols]

[0067] 100... lifting device, 10... runner body, 11... runner main body, 12... roller support shaft, 13... roller, 20... case body, 20a... opening, 21... side wall, 21m... guide groove, 22... rear wall, 22a... inner surface, 222... engagement recess, 222a... opening, 23... bottom wall, 23s... bank portion, 23sk... inclined surface, 25... through hole, 26... step portion, 26a... end surface, 30... holder body, 31... to be held Container portion, 310...accommodated main body, 311...leg portion, 32...lid portion, 320...through hole, 321...lid wall portion, 35...triangular prism-shaped protrusion, 37...tapered surface, 38...engaging protrusion, 39...guide protrusion, 40...connecting body, 50...operating lever body, 50p...pin, 51...lever body, 51s...corner portion, 52, 53...arm, 52h, 53h...through hole, 530...protrusion portion, 55...operating piece, 60...spring.

Claims

1. a runner body that runs along a guide rail; a case body that is fixed in a state embedded in a notch provided at an upper end of the door that opens and closes along the guide rail; a holder body that is housed in the case body and integrated with the case body; a connector that connects the runner body and the holder body; an operating lever body rotatably attached inside the holder body; Equipped with The case body has an internal engaging portion that engages with the operating lever body, The operating lever body a rotation shaft on which the operating lever body is rotatably supported relative to the holder body; a locking portion that is locked to the locked portion of the case body when the holder body is integrated with the case body; an operating piece for rotating the operating lever body; a protrusion portion that comes into contact with an inner wall surface of the case body when the operating lever body is rotated and acts to push the holder body outward from the case body; and the holder body has a lid portion that is exposed to the outside when housed in the case body and closes the case body, the lid portion has a side end surface that is exposed when the holder body is housed in the case body, and a tapered surface that is inclined toward the case body is formed on the side end surface, the side end surface and the tapered surface are hidden by the notch when the holder body and the case body are housed in the notch, the tapered surface is inclined from the middle of the side end surface, and a space can be formed between the tapered surface and a surface extending in the up-down direction and the opening / closing direction in the cutout portion when the holder body and the case body are accommodated in the cutout portion, The protruding portion of the hanging device is disposed at a position farthest from the operating lever and near the back wall of the case body.

2. the holder body has a biasing body, The operating lever body is maintained in an engaged state between the engaged portion of the case body and the engaging portion of the operating lever body by the biasing force of the biasing body. The lifting device according to claim 1.

3. The case body is an inner space formed by two side walls, the inner wall connected to the two side walls, and a bottom wall connecting the two side walls; an opening provided opposite the rear wall; a concave guide groove cut out on the opening side of each of the two side walls; an engagement recess provided on the inner surface of the rear wall; and The holder body is a guide protrusion that fits into the guide groove; an engaging protrusion engageable with the engaging recess; have The lifting device according to claim 1 or 2.

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