JP2013217079A - Assisting device of movable body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assisting device of a movable body, capable of using a closer for a sliding door as an assisting device of a top-railed sliding door.SOLUTION: An assisting device of a movable body comprises: a rail provided on a substrate; a base substrate provided on the movable body which moves relatively with respect to the substrate; a hanging implement movably supported along the rail and for suspending the movable body; an abutment receiving body provided on the rail and protruding on the side of the movable body; an abutting body provided so that it can reciprocate with respect to the base substrate in a first direction and configured so that it can be engaged with and disengaged from the abutment receiving body, and an energization mechanism for energizing the abutting body.

Description

  The present invention relates to an assist device for a movable body that assists operations of various movable bodies.

  In order to assist the operation of a movable body such as a hanging door, there is known a movable body assist device that uses a biasing mechanism to make a self-running movement. In such a movable body assist device, a movable body is suspended and supported by a rail attached to the headquarters via a suspension car, and a striker as a receiving body is provided in the rail. A closer is provided so that it can run inside.

  A contact body that can be engaged with the receiving body is provided in the housing of the closer. The abutting body is slidable in a standby position and a retracted position in the housing, and is connected to a tension coil spring as an urging mechanism. The contact body has an engagement portion at the tip, for example, and this engagement portion can be engaged with and released from the receiving body. In general, one end of the housing is fixed to a suspension vehicle in the rail, and the suspension vehicle and the closer are movably engaged in the rail.

Japanese Patent No. 4690026

  In a structure in which the contact body and the closer are arranged in the rail and the closer slides in the rail, it is difficult to use the sliding door closer as an assist device for the sliding door.

  An assist device for a movable body according to an embodiment includes a rail provided on a support body, a base provided on a movable body that moves relative to the support body, and a movable body supported along the rail and the movable body. A suspension for suspending the body, a receiving body provided on the rail and protruding toward the movable body, and provided so as to be reciprocable in the first direction with respect to the base body. It is provided with the contact body comprised so that cancellation | release is possible, and the urging | biasing mechanism which urges | biases the said contact body.

  A movable body assist device according to another embodiment includes a rail provided on a support, a base provided on a movable body that moves relative to the support, and is supported to be movable along the rail. A suspension for suspending the movable body; a receiver provided on the support body side, projecting toward the movable body side and reaching the movable body side of the rail; and reciprocally movable in a first direction with respect to the base body; An abutting body configured to be engageable with and disengageable from the receiving body, and an urging mechanism for urging the abutting body.

  According to one embodiment, it is possible to use a closer for a sliding door as an assist device for a hanging door.

Explanatory drawing which shows the 1st state of the assist apparatus concerning 1st Embodiment of this invention. Explanatory drawing which shows the 2nd state of the structure of the assist apparatus concerning the embodiment. Sectional drawing which shows a part of assist apparatus concerning the embodiment. The perspective view which shows a part of assist apparatus concerning the embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment. Sectional drawing which shows a part of assist apparatus concerning other embodiment.

[First embodiment]
A movable body assist device 1 according to a first embodiment of the present invention will be described below with reference to FIGS. 1 to 4. Here, for example, the X-axis is along the sliding direction (first direction), the Y-axis is along the second direction, and the Z-axis is along the vertical direction. In each drawing, the configuration is appropriately enlarged, reduced, or omitted for explanation.

  FIG. 1 is an explanatory diagram showing a first state of the assist device 1, and FIG. 2 is an explanatory diagram showing a second state. FIG. 3 is a sectional view showing a part of the assist device 1, and FIG. 4 is a perspective view.

  As shown in FIGS. 1 and 2, the assist device 1 includes a striker 11 as a receiving body provided on one of the movable body and the support, and a closer 12 provided on the other of the movable body and the support, It is configured with.

  In the present embodiment, for example, the support is the rail 10 installed in the Kamoi W, and the movable body is the suspension door M. In this embodiment, the case where the closer 12 is provided in the suspension door M as a movable body and the striker 11 is provided in the rail 10 as a support is illustrated.

  Here, attention is paid to one suspension door M, and one side is a door tip side and the other side is a door bottom side. As shown in FIG. 1, the open state in which the suspension door M is separated from the door frame is referred to as a first state, and the closed state in which the suspension door M has been moved to the movement end position as shown in FIG.

  The rail 10 shown in FIGS. 1 to 4 is fixed to the lower surface of the Kamoi W along the sliding direction. The rail 10 is made of, for example, an extruded product made of aluminum, and is continuously connected to the upper surface portion 10a fixed to the lower surface of the Kamoi W, the standing wall portion 10b erected below, and the lower end of the standing wall portion 10b in the Y direction. A support surface portion 10c that extends to both sides and supports the suspension roller 22 from below is integrally formed.

  The standing wall portion 10b of the rail 10 forms an XZ plane along the sliding direction at the center portion in the Y direction, and housing portions are formed on both sides in the Y direction where the suspension rollers 22 are disposed. A pair of suspension vehicles 20 (suspenders) are disposed so as to be able to travel. The suspension vehicle 20 is provided at both ends of the suspension door M in the X direction, and suspends both ends of the suspension door M in the X direction. In each figure, only the suspension vehicle 20 on one side is shown.

  The support surface portion 10c is formed to extend on both sides of the rotation axis direction (Y direction) of the roller 22 below the pair of suspension rollers 22 between the support portions 24b. The support surface portion 10c is formed in a circular arc shape in cross section, and constitutes a drop-off prevention portion 10d that prevents the roller 22 from falling off with both sides in the Y direction of the support surface portion 10c positioned upward.

  A striker 11 is provided on the lower surface of the support surface portion 10c of the suspension door rail 10 at a certain position from the end. The striker 11 has a cylindrical engaging portion 11a that protrudes downward. The engaging portion 11 a protrudes downward from the lower surface of the rail 10.

  By the movement of the suspension door M, the engaging portion 11a is captured by the catcher 32 so that the latch 30 is engaged and enters the closer 12 or is released from the closer 12 and released.

  The suspension vehicle 20 includes a base 21 (base) fixed to a fixture M1 that is embedded and fixed on the suspension door M, and a plurality of rollers 22 that are rotatably supported by the base 21. Has been.

  As shown in FIGS. 3 and 4, the base 21 is provided on the fixture M <b> 1 and extends upward, a columnar rod 23, a support piece 24 fixed to the rod 23, and a shaft body 25 supported by the support piece 24. And is configured.

  The support piece 24 is formed by bending a metal plate, for example, and includes a lower plate portion 24a fixed on the rod 23 and a pair of support portions 24b erected upward from both ends of the lower plate portion 24a in the Y direction. It has a continuous and integral structure, and has an opening that opens on the upper side.

The pair of support portions 24b are disposed so as to sandwich both axial sides of the standing wall portion 10b of the rail 10, and a shaft body 25 extending in the Y direction is supported on the inside by the pair of support portions 24b disposed to face each other. A pair of suspension rollers 22 are pivotally supported by the shaft.

  A predetermined gap is formed between the pair of rollers 22 in the Y direction, and the standing wall portion 10b is disposed therebetween.

  The closer 12 shown in FIGS. 1 and 2 includes a housing 40 as a base body embedded and fixed in a groove portion Ma formed in the suspension door M, and a standby position and a retracted position that are accommodated in the housing 40 along the first direction. And a latch 30 as a contact body supported so as to be reciprocally movable, a biasing mechanism 50 such as a coil spring that biases the latch 30 toward the pulling side with respect to the housing 40, and a latch 30 connected to the latch 30. And a braking mechanism 60 for buffering the sliding movement by applying a resistance force.

  The housing 40 has a box shape elongated in the sliding direction at the upper surface opening. The housing 40 has a pair of side walls 41, 41, and the latch 30 is held between the side walls of the front end portion.

  The side wall 41 of the housing 40 is formed with a holding hole 42 in which the engagement protrusion 34 (engagement portion) of the latch 30 is engaged and held in the standby state. Further, a guide slit for guiding the movement of the latch base 31 is formed in the housing 40 along the X direction.

  A rear end portion 51 b of a tension coil spring 51 as an urging means is connected to the rear end portion of the housing 40.

  The latch 30 includes a latch base 31 that reciprocates in the first direction within the housing 40, and a catcher 32 that is coupled to the front end of the latch base 31.

  The latch base 31 is housed in the upper part of the housing 40 and moves in the sliding direction by the guide slit. A front end portion 51a of a tension coil spring 51 is connected to the lower portion of the latch base 31, and is always urged in the retracting direction.

  Further, a piston damper 60 is connected to the rear end surface of the latch base 31 so that the movement of the latch base 31 is braked.

  The catcher 32 has a pair of catch pieces 32 a and 32 a that are connected to the latch base 31 via the hinge portion 33 and are rotatably provided so as to be in contact with and away from each other. Engagement protrusions 34 that are held by the holding portions 42 of the housing 40 are formed on the outer surfaces of the catch pieces 32 a and 32 a in the Y direction.

  The catcher 32 is guided by the guide slit together with the latch base 31 to reciprocate between the standby position and the retracted position. At the standby position, the pair of catch pieces 32a and 32a rotate around the axis center of the hinge portion 33 along the Z direction. By moving, it opens and closes so as to be close to each other. The catcher 32 is engaged with the striker 11 at the standby position along with the opening and closing, or releases the striker.

  The urging mechanism 50 is constituted by a tension coil spring 51, for example. The tension coil spring 51 is arranged in the lower part in the housing 40 so that the axial direction is along the sliding direction. One end 51 a of the tension coil spring 51 is connected to the latch base 31, and the other end 51 b of the tension coil spring 51 is connected to the housing 40.

  When the movable body M is moved to one side (forward), the tension coil spring 51 pulls the latch 30 that has captured the striker 11 relative to the housing 40 toward the other side (rear side). Is forcibly moved forward with respect to the rail 10 and the Kamoi W.

  The braking mechanism 60 includes a piston damper 60 provided in the upper chamber of the housing 40. The piston damper 60 includes a cylinder 61 in which a fluid is sealed, a piston (not shown) that reciprocates on the moving center line of the latch 30 in the cylinder 61, and a piston rod 62 connected to the piston. Have. The rear end of the piston rod 62 is connected to the housing 40, and the front end of the cylinder 61 is connected to the rear end surface of the latch base 31. The brake mechanism 60 brakes the operation of the suspension door M by applying a resistance force of the fluid in the cylinder 61 to the pushing and pulling operation of the piston rod 62 with respect to the cylinder 61.

  The operation of the movable body assist device 1 will be described with reference to FIGS. In the stage before the suspension door M is moved forward to the self-running start position, as shown in FIG. 1, the catcher 32 is in an open state, and the catcher 32 is engaged by the engaging portion 34 engaging with the holding portion 42. Is held at the standby position in front of the housing 40 and the striker 11 is released.

  When the suspension door M moves in the X direction and moves forward to the self-propelled start position, the striker 11 enters the housing 40 from the front and is pushed by the striker 11 so that the catch pieces 32a and 32a rotate around the hinge shaft 33. The catcher 32 is moved to the closed state to supplement the striker 11. At this time, the engagement protrusion 34 of the catcher 32 comes out of the holding portion 42 and is slidable with respect to the housing 40.

Then, the latch 30 moves to the retracted position behind the housing 40 in a state where the striker 11 is captured by the bias of the tension coil spring 51. With this relative movement, the suspension door M self-travels forward to the stop position with respect to the striker 11. On the other hand, when the suspension door M moves backward from the stop position, the striker 11 moves when the movable body M is moved. The latch 30 that is integrated with the tension coil spring 51 is moved forward relative to the housing 40 while storing the tension coil spring 51, and the catch piece 32a rotates when the movable body M reaches the self-propelled start position. Then, the catcher 32 is opened, and the holding portion 42 of the housing 40 is entered and held. Thereby, the catcher 32 is returned to the released state, and the latch 30 and the striker 11 are separated. Thereafter, the movement restriction of the suspension door M is released.

  The movable body assist device 1 according to the present embodiment has the following effects. That is, in the movable body assist device 1, the striker 11 is configured to protrude toward the suspension door below the rail 10, and is disposed at a position that can be engaged with the latch 30 embedded in the suspension door M below the rail 10. Therefore, the closer 12 for the sliding door can be applied. Therefore, since it can employ | adopt also in the sliding door which uses support bodies, such as a duck, which does not have the rail 10, versatility is also high.

  Compared to the structure in which the closer slides in the rail, the dimensional limit can be reduced. Furthermore, the number of parts can be reduced and the mechanism can be simplified as compared with a structure including a movable striker and a stopper that move in the rail.

  In addition, this invention is not limited to the said embodiment, A various deformation | transformation implementation is possible in the range which does not deviate from the summary of this invention. In addition, the specific configuration, material, and the like of each unit are not limited to those illustrated in the above embodiment, and can be changed as appropriate.

  In the first embodiment, the configuration in which the pair of suspending rollers 22 facing in the Y direction are arranged on the pair of support surface portions 10c formed on both sides of the standing wall portion 10b of the rail 10 is exemplified. Absent. For example, as another embodiment, like the movable body assist device 2 shown in FIG. 5, the suspension roller 22 and the support surface portion 10c may be arranged on only one side. Here, the striker 11 is provided so as to protrude downward from the support surface portion 10c. In this case, the same effect as that of the first embodiment can be obtained.

  In the first embodiment, the pair of suspension rollers 22 facing in the Y direction are supported by a pair of support portions 24b arranged so as to be sandwiched in the Y direction, and the standing wall portion of the rail 10 is interposed between the pair of suspension rollers 22. Although the structure which arrange | positions 10b was illustrated, it is not restricted to this.

  For example, as another embodiment of the movable body assist device 3 shown in FIG. 6, the rail 10 is formed in a U-shaped cross-section and is opened downward to form a pair of standing wall portions 10 b and a pair of standing wall portions 10 b. It is good also as a structure which pinches | interposes both sides of a suspension roller in between.

  In this embodiment, the rail 10 includes a pair of standing wall portions 10b sandwiching both sides of the suspension roller 22, and a suspension roller formed continuously from the pair of suspension rollers 22 and extending inward in the Y direction from the pair of suspension walls 22b. And a pair of support surface portions 10c for supporting 22 from below. The support surface portion 10c is configured in a circular arc shape in cross section, and constitutes a drop-off prevention portion 10d that prevents the roller 22 from falling off with the inner end portion positioned upward.

  The base 21 has a support portion 24b that extends upward from the suspension door M and extends between the pair of standing wall portions 10b. Here, a pair of suspension rollers 22 are pivotally supported on both sides in the axial direction of the support portion 24b, and are arranged between the pair of standing wall portions 10b. Here, the striker 11 is provided so as to protrude downward from the one support surface portion 10c.

  Also in this embodiment, the same effect as the first embodiment can be obtained. Furthermore, the rail 10 of the downward opening generally used for a hanging door as a structure of the rail 10 is applicable.

  In still another embodiment, in the assist device 4 for the movable body shown in FIG. 7, the striker 11 is arranged in the Y of the suspension door M by arranging the support portion 24b at a position biased to one side between the pair of standing wall portions 10b. The other configuration is the same as the assist device 4 shown in FIG. 6.

  Also in this embodiment, the same effect as the first embodiment can be obtained. Furthermore, since the rail 10 of the downward opening generally used for a suspension door can be applied as a structure of the rail 10, it can be arrange | positioned in the center of the suspension door M, Therefore Stability can be improved.

  In the first embodiment, the rail 10 is an extruded member. Instead, the rail 10 is configured by using a plurality of bent metal plates, such as a movable body assist device 5 shown in FIG. May be. Here, for example, the upper surface portion 10a is constituted by a flat plate member, the standing wall portion 10b and the support surface portion 10c are continuously formed by a curved member curved in a J-shaped cross section, and the plurality of members are joined to form the rail 10. Configured. In this case, the same effect as that of the first embodiment can be obtained.

  In still another embodiment, the movable body assist device 6 shown in FIG. 9 is configured such that the support surface portion 10c of the rail 10 extends inward from the lower ends of the pair of standing wall portions 10b, and the support piece between the pair of standing wall portions 10b. 24 is arranged, and a pair of suspension rollers 22 is arranged outside the pair of support portions 24b. Other configurations are the same as those of the assist device 1. In this case, the same effect as that of the first embodiment can be obtained.

  In another embodiment, the movable body assist device 7 shown in FIG. 10 is configured such that the assist device 6 is provided with the standing wall portion 10b, the support portion 24b, and the suspension roller 22 only on one side. Other configurations are the same as those of the assist device 6 shown in FIG. In this case, the same effect as that of the first embodiment can be obtained.

  In each said embodiment, although the structure which provides the striker 11 in the rail 10 was illustrated, it is not restricted to this. For example, as another embodiment, like the movable body assist device 8 shown in FIG. 11, a striker 111 that protrudes toward the suspension door M as the movable body may be provided in the duck W as the support body. The engaging portion 111 a of the striker 111 protrudes downward and is configured to reach the passage path of the latch 30 below the rail 10.

  Also in this embodiment, the same effect as the first embodiment can be obtained. That is, since the striker 111 is configured to project to the side of the suspension door below the rail 10 and is disposed at a position that can be engaged with the latch 30 embedded in the suspension door M below the rail 10, the closer 12 for the sliding door. Can be applied. Therefore, since it can employ | adopt also in the sliding door which uses support bodies, such as a duck, which does not have a rail, versatility is also high. Furthermore, the present embodiment is a simple mechanism that simply extends the striker 111 downward, and an existing rail structure can be applied.

  In the first embodiment, the latch 30 is provided on only one side of the housing 40 and the one-way assist operation is performed. However, the present invention is not limited to this. For example, the latch 30 may be provided at both ends of the housing 40 and the strikers 11 may be provided at both the left and right sides of the rail 10 to assist the operation in both directions on the door end side and the door bottom side. In this case, for example, both ends of the tension coil spring 51 are connected to the latch bases 31 on both sides, and the ends of the cylinder 61 and the piston rod 62 of the piston damper 60 are connected to the latch bases 31 on both sides, respectively. A common mechanism can be used for assisting and braking the latches 30 on both sides.

  In addition, the catcher 32 has exemplified the configuration in which the columnar striker 11 is sandwiched between a pair of catch pieces 32a and 32a to be opened and closed, but is not limited to this, for example, a hook shape that engages and captures by rotation. Other configurations such as a catcher may be used.

  For example, in the said embodiment, although the closer 12 was provided in the suspension door M side as a movable body, and the case where the rail 10 and the striker 11 were provided in the head side as a support body was illustrated, it is not restricted to this. As another embodiment, like the movable body assist device 9 shown in FIG. 12, it is also possible to provide the striker 11 on the suspension door M side as the movable body and the closer 12 on the side of the head W as the support body. is there.

  In the assist device 9, the closer 12 and the striker 11 of the assist device 1 according to the first embodiment are disposed in reverse, the closer 12 is disposed on the rail 10 provided in the Kamoi W, and the striker 11 is disposed on the suspension door M side. Is provided.

  The rail 10 includes a pair of standing wall portions 10b that extend downward from the headwater W and are spaced apart from each other.

  The hanging tool 20 includes a support piece 24 having a pair of support portions 24b that are fixed to the upper portion of the suspension door M and extend upward, and a pair of suspension rollers 22 that are pivotally supported inside the pair of support portions 24b. Configured. The standing wall 10 b of the rail 10 is disposed between the suspension rollers 22.

  The striker 11 protrudes from the upper part of the suspension door M toward the upper head W side, and is arranged so as to reach a passage route through which the latch 30 of the closer 12 fixed in the rail 10 moves relatively. It is possible. Here, the upper end portion of the striker 11 is disposed between the pair of standing wall portions 10 b of the rail 10. As the suspension door M moves, the striker 11 moves relative to the rail 10 in the sliding direction and is captured between the pair of catch pieces 32a.

  In the closer 12, a housing 40 is fixedly disposed between the pair of standing wall portions 10b, and a downward latch 30 is movably accommodated. A catcher 32 at the tip of the latch 30 is configured to be able to engage with and release from the striker 11.

  Other configurations are the same as those in the first embodiment. In the assist device 9 according to this embodiment, the same effects as those of the above embodiments can be obtained. That is, the closer 12 that can also be used for a sliding door that uses a support that does not have the rail 10 can be used, and is highly versatile. Further, the dimensional limit can be reduced as compared with the structure in which the closer slides in the rail. Furthermore, the number of parts can be reduced and the mechanism can be simplified as compared with a structure including a movable striker and a stopper that move in the rail.

  Furthermore, the present invention can be realized even if some of the constituent features of the above-described embodiment are omitted.

  W ... Kamoi (support body), M ... Suspension door (movable body), C1 ... Axle, 1-6 ... Assist device, 10 ... Rail, 10a ... Upper surface portion, 10b ... Standing wall portion, 10c ... Support surface portion, 11, DESCRIPTION OF SYMBOLS 111 ... Striker, 11a, 111a ... Engagement part, 12 ... Closer, 20 ... Suspension car (hanging tool), 21 ... Base (base), 22 ... Suspension roller, 23 ... Rod, 24 ... Support piece, 24a ... Bottom Plate part, 24b ..., support part, 25 ... shaft body, 30 ... latch, 31 ... latch base, 32 ... catcher, 32a, 32a ... catch piece, 40 ... housing, 41 ... side wall, 42 ... holding part, 50 ... with , 60 ... braking mechanism (piston damper), 61 ... cylinder, 62 ... piston rod.

Claims (11)

A rail provided on the support;
A base provided on a movable body that moves relative to the support;
A lifting device supported movably along the rail and suspending the movable body;
A receiving body provided on the rail and projecting toward the movable body;
An abutting body provided so as to be capable of reciprocating in the first direction with respect to the base body and configured to be able to engage and disengage from the receiving body;
An urging mechanism for urging the contact body;
A movable body assist device comprising: The movable body is a suspension door, suspended below the rail installed on the support,
The base is embedded in the upper part of the suspension door,
The movable body assist device according to claim 1, wherein the receiving body is configured to protrude downward from the rail to reach a passage path of the contact body. The suspension includes a base provided on the movable body, and a suspension roller that is pivotally supported by the base and moves rotatably in the rail.
The rail is integrally provided with a standing wall portion standing downward from the support body, and a support surface portion supporting the suspension roller from the movable body side continuously to the standing wall portion,
The movable body assist device according to claim 1, wherein the receiving body protrudes from the support surface portion toward the movable body. A pair of the suspension rollers is disposed;
The support surface portion is formed to extend on both sides in the second direction intersecting the first direction from the movable body side than the pair of suspension rollers of the standing wall portion,
The base includes a pair of support portions that extend from the movable body to the support side and are disposed so as to sandwich both sides of the standing wall portion in the second direction.
A pair of the suspension rollers are pivotally supported by the pair of support portions so as to be rotatable about an axis along the second direction,
The assist device for a movable body according to claim 3, wherein the pair of suspension rollers are arranged on both sides so as to sandwich the standing wall portion. A pair of the suspension rollers is disposed;
The rail is formed with a pair of standing wall portions sandwiching both sides of the suspension roller, and extending inward in the second direction from below the pair of suspension rollers so as to extend downward from the pair of suspension rollers. A pair of support surface portions to be supported from, and a prevention portion provided inside the support surface portion to prevent the suspension roller from falling off,
The base has a support portion extending from the movable body toward the support body and extending between the pair of standing wall portions,
A pair of the suspension rollers are pivotally supported on both sides of the support portion in the second direction,
The assist device for a movable body according to claim 3, wherein the pair of suspension rollers are disposed between the pair of standing wall portions. A rail provided on the support;
A base provided on a movable body that moves relative to the support;
A lifting device supported movably along the rail and suspending the movable body;
A receiving body provided on the support body side and protruding toward the movable body side to reach the movable body side of the rail;
An abutting body configured to be capable of reciprocating in the first direction with respect to the base body and configured to be able to engage and disengage the receiving body;
An urging mechanism for urging the contact body;
A movable body assist device comprising: A rail provided on the support;
A receiving body provided on a movable body that moves relative to the support body and protruding toward the support body;
A lifting device supported movably along the rail and suspending the movable body;
A base provided on the rail;
An abutting body provided so as to be capable of reciprocating in the first direction with respect to the base body and configured to be able to engage and disengage from the receiving body;
An urging mechanism for urging the contact body;
With
The movable body assist device, wherein the receiving body reaches a moving path along which the contact body relatively moves.   8. The movable body assist device according to claim 1, wherein the movable body is provided with at least a pair of the suspension tools.   The end of the receiving body on the movable body side is disposed at a central portion of the movable body in a second direction intersecting the first direction. Movable assist device.   The biasing mechanism has a tension coil spring having one end connected to the contact body and the other end connected to the base body, and pulls the contact body that has captured the receiving body by its pulling force. 10. The movable body assist device according to claim 1, wherein the movable body is forcibly moved with respect to the support by moving in a direction. The contact body is supported by the base body so as to be slidable between a standby position and a retracted position, and includes a catcher that can be engaged with and released from the receiving body.
The catcher is held in the standby position of the base body in the disengaged state, and is configured to be slidable by the urging mechanism when the catch is released and the holding state is released. The assist device for a movable body according to any one of claims 1 to 10.

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