JP2018099995A - Motion guide device and seat for aircraft - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the mounting of a track body on a floor rail.SOLUTION: There is provided a track unit 33 for clamping a cylindrical floor rail 20 of a long state formed at an upper portion with a slit 21 and clamped on an inner side and an outer side by a track body 31 arranged on the outer side of an inner side base member 50 arranged on the inner side of the floor rail 20 and a track body arranged on the outer side of the floor rail 20. The slit 21 has a plurality of bulging areas 22 set with a wide clearance width in a direction crossing with the longitudinal direction. The inner side base member 50 includes: a first member 51 formed with a plurality of bolt fastening parts 53 at a spacing in the longitudinal direction; and a second member 52 engaging with the bulging areas 22 for regulating the movement of the inner side base member 50 between the bolt fastening parts 53. The bolt fastening parts 53 are arranged between the two bulging areas 22.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a motion guide device and an aircraft seat.

  The following Patent Document 1 is a vehicle seat that is attached to a floor rail that is laid on the floor surface of a passenger cabin so that the position of the vehicle can be changed, and a lower end of a leg includes a latching member that latches on the floor rail. In the vehicle seat, a fixing and unlocking device for engaging and releasing the latching member with respect to the floor rail is attached to the latching member, and the vehicle seat is attached to the floor rail. There is disclosed a vehicle seat characterized in that a seat moving device for moving along the seat is attached.

JP-A-2-279433

The above-mentioned conventional vehicle seat is a single seat or three-seat seat integrated by a seat base, and leg portions are provided on the left and right sides of the seat base. When guiding such a vehicle seat, a movable body is attached to each of the left and right legs of the seat base, and the movable body can be relatively moved along the track body, so that the vehicle seat can be easily accurate. I can guide you well.
By the way, such a vehicular seat needs to move a leg part along a floor rail, when changing a seat arrangement greatly in a cabin of a vehicle. However, the vehicle seat according to the prior art needs to perform a complicated process in order to release the fixation of the moving body, and it takes time to move the vehicle seat. For this reason, it is considered that a new track body is attached to the floor rail provided in the passenger cabin of the vehicle, and the moving body is moved along the track body to facilitate the movement of the seat. . However, in order to easily attach such a track body to the floor rail, a new attachment structure is required.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to facilitate attachment of a track body to a floor rail.

  In order to solve the above-mentioned problems, the present invention provides a motion guide device comprising a track body and a movable body mounted so as to be relatively movable with respect to the track body. A cylindrical floor rail having a slit formed in the upper portion along the longitudinal direction, an inner base member disposed inside the floor rail and a track body disposed outside the floor rail by a plurality of bolts. Thus, the slit unit has a track unit that is sandwiched from the inside and the outside, and the slit regularly has a plurality of bulging regions in which the width of the gap in the direction intersecting the longitudinal direction is set wide along the longitudinal direction. The inner base member is engaged with the bulging region and a first member in which a plurality of bolt fastening portions are formed at intervals in the longitudinal direction, and the inner base is between the plurality of bolt fastening portions. The longitudinal direction of the member And a second member for restricting the movement of the said bolt fastening portion is disposed between two of said bulging region adjacent a construction is adopted.

  Moreover, this invention is equipped with the exercise | movement guide apparatus as described above, and a mobile body employ | adopts the aircraft seat connected to the leg part of the seat mounted in an aircraft.

  According to the present invention, it becomes easy to attach the track body to the floor rail.

It is a perspective view which shows the seat seat movement fixing device in embodiment of this invention. It is a perspective view which shows the exercise | movement guide apparatus with which the seat seat movement fixing device shown in FIG. 1 is provided. It is a fragmentary sectional view of arrow AA shown in FIG. It is sectional drawing of arrow BB shown in FIG. It is the perspective view which expanded a part of fixed unit with which the exercise | movement guide apparatus shown in FIG. 2 is provided. FIG. 6 is an enlarged view of an inner base member of the fixed unit shown in FIG. 5. It is a perspective view which shows the modification of the fixing unit of embodiment of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. The following embodiments are described by way of example for better understanding of the spirit of the invention, and do not limit the present invention unless otherwise specified. In addition, in the drawings used in the following description, in order to make the features of the present invention easier to understand, the main part may be enlarged for convenience, and the dimensional ratios of the respective components are the same as the actual ones. Not necessarily. In addition, in order to make the features of the present invention easier to understand, some parts are omitted for convenience.

[First Embodiment]
FIG. 1 is a perspective view showing a seat seat movement fixing device 1 according to an embodiment of the present invention. FIG. 2 is a perspective view showing the motion guide device 30 provided in the seat seat movement fixing device 1 shown in FIG. 2 is a perspective view of the motion guide device 30 attached to the rear leg 17 of the seat 10 as viewed from the rear. FIG. 3 is a partial cross-sectional view taken along line AA shown in FIG. 4 is a cross-sectional view taken along the line BB in FIG. FIG. 5 is an enlarged perspective view of a part of the fixed unit 33 provided in the motion guide apparatus 30 shown in FIG. FIG. 6 is an enlarged view of the inner base member 50 of the fixed unit 33 shown in FIG.
The seat-seat movement fixing device 1 (aircraft seat) is mounted in an aircraft cabin, and includes a seat seat 10 (seat), a floor rail 20, and an exercise guide device 30, as shown in FIG.

  In the following description, an XYZ orthogonal coordinate system may be set, and the positional relationship of each member may be described with reference to this XYZ orthogonal coordinate system. The X-axis direction is the front-rear direction of the seat 10, the Y-axis direction (horizontal direction) orthogonal to the X-axis direction is the left-right direction of the seat 10, and the Z-axis direction orthogonal to the X and Y-axis directions is the seat 10 vertical directions.

  The seat 10 is an aircraft seat having a plurality of seats 11, for example. The seat 11 includes a seating section 12 on which a person sits, a backrest 13 that supports a seated person sitting on the seating section 12 from behind, and an armrest 14 that supports the arm of the seated person from below. These seats 11 are integrated in the left-right direction by a seat base (not shown) and are three-seaters. The seat base is provided with a plurality of legs 15 that support the seat 11.

  The plurality of leg portions 15 are spaced apart from the left and right sides of the seat 10. In addition, the plurality of leg portions 15 form a front leg 16 and a rear leg 17 that are spaced apart from each other on the left and right sides of the seat sheet 10. The front leg 16 extends downward from the lower surface of the seat 11. The rear leg 17 extends obliquely rearward from the lower surface of the seat 11. A slider block 32 (moving body) of the motion guide device 30 is connected to the lower end of the front leg 16 and the lower end of the rear leg 17.

  The floor rail 20 is provided so as to extend in the front-rear direction of the seat 10 along the floor surface of the cabin of the aircraft. The floor rails 20 extend in parallel in pairs at positions where the left and right front legs 16 and rear legs 17 of the seat 10 are respectively disposed. As shown in FIG. 2, the floor rail 20 is formed in a cylindrical shape having a long shape and a slit 21 formed in the upper portion along the longitudinal direction (X-axis direction). The slit 21 has a bulging area 22 in which the width of the gap in the width direction (Y-axis direction) intersecting the longitudinal direction is set wide, and the width of the gap is set relatively narrow with respect to the bulging area 22. A plurality of narrow regions 23 (see FIG. 5) are alternately and regularly formed along the longitudinal direction.

  The motion guide device 30 includes a track rail 31 (track body) disposed on the floor rail 20 and a slider block 32 (movable body) assembled so as to be relatively movable along the track rail 31. As shown in FIG. 1, the motion guide device 30 is spaced apart in the left-right direction of the seat 10, and the track rails 31 of the left and right motion guide devices 30 extend in the front-rear direction so as to be parallel to each other. Exist. A slider block 32 connected to the front leg 16 and a slider block 32 connected to the rear leg 17 are attached to the left and right track rails 31 so as to be relatively movable in the longitudinal direction.

  As shown in FIG. 3, the track rail 31 is a long member having a substantially rectangular shape in cross section. A rolling element rolling groove 40 is formed along the longitudinal direction (X-axis direction) of the track rail 31 on the outer side surface 31b in the width direction (Y-axis direction) intersecting the longitudinal direction of the track rail 31. The rolling element rolling groove 40 is recessed in a substantially arc shape with respect to the outer surface 31b. The rolling element rolling grooves 40 are formed as a pair on the left and right of the track rail 31.

  A recess 41 is formed on the outer surface 31 b of the track rail 31 below the rolling element rolling groove 40. The recess 41 is a groove deeper and larger than the rolling element rolling groove 40, and is formed along the longitudinal direction of the track rail 31. The concave portion 41 is recessed in a substantially right triangle shape whose oblique side extends obliquely downward toward the center of the track rail 31 with respect to the outer surface 31b. The recess 41 is formed as a pair on the left and right sides of the track rail 31.

  As shown in FIG. 2, a plurality of bolt fixing holes 42 and a plurality of positioning holes 43 are formed in the track rail 31. Bolts 44 (fixing members) for fixing the track rail 31 to the floor rail 20 are inserted into the plurality of bolt fixing holes 42, respectively. Further, positioning pins 45 (fixing pins) that determine the position of the slider block 32 in the longitudinal direction with respect to the track rail 31 are inserted into the plurality of positioning holes 43. These bolt fixing holes 42 and positioning holes 43 are alternately formed at equal intervals in the longitudinal direction of the track rail 31. The track rail 31 constitutes a part of a fixed unit 33 (track unit) that fixes the track rail 31 to the floor rail 20 together with an inner base member 50 described later.

  As shown in FIG. 4, the bolt fixing hole 42 is a stepped hole formed so as to penetrate in the thickness direction (Z-axis direction) of the track rail 31, and the head of the bolt 44 is located above the upper surface of the track rail 31. A counterbore 46 positioned below is formed. On the other hand, the positioning hole 43 is a through hole formed so as to penetrate in the thickness direction of the track rail 31. The inner diameter of the positioning hole 43 is substantially equal to the inner diameter of the bolt fixing hole 42 (spot face 46). The positioning hole 43 may be a bottomed cylindrical hole. Further, the inner diameters of the bolt fixing hole 42 and the positioning hole 43 may be different.

  The fixed unit 33 includes the track rail 31 described above, an inner base member 50 disposed inside the floor rail 20, and a bolt 44. The inner base member 50 includes a first member 51 to which a plurality of (two in this embodiment) bolt fastening portions 53 are connected at intervals in the longitudinal direction, and the first member between the plurality of bolt fastening portions 53. And a second member 52 that restricts the movement of 51 in the longitudinal direction. The first member 51 functions as a nut that contacts the floor rail 20 by being screwed to the plurality of bolts 44. Thereby, as shown in FIG. 3, the 1st member 51 arrange | positioned inside the floor rail 20 and the track rail 31 arrange | positioned outside the floor rail 20 clamp the floor rail 20 from an inner side and an outer side. .

  The first member 51 includes a bolt fastening portion 53 and a clamping portion 54. In the present embodiment, two bolt fastening portions 53 are provided in the first member 51, are substantially cylindrical portions having a bolt hole 55 formed in the center, and are exposed by the slits 21 of the floor rail 20. Yes. The clamping part 54 is a disk-shaped region surrounding the peripheral surface of the bolt fastening part 53, and the thickness in the Z-axis direction can be accommodated inside the floor rail 20 and is thinner than the thickness of the bolt fastening part 53 in the Z-axis direction. Is set. The sandwiching portion 54 is formed so that the bottom surface is continuous with the bottom surface of the bolt fastening portion 53. Accordingly, the first member 51 has a shape in which the upper part of the bolt fastening portion 53 protrudes upward from the clamping portion 54. The width of the sandwiching portion 54 is smaller than the width of the bulging area 22 of the slit 21 and larger than the width of the area (narrow area 23) other than the bulging area 22 of the slit 21. The clamping portion 54 and the bolt fastening portion 53 are disposed in the narrow region 23 on the floor rail 20. The first member 51 has a connection region 51a that connects the bolt fastening portions 53 that are arranged adjacent to each other in the longitudinal direction, and further, a projection 56 that fixes the second member 52 to the connection region 51a. Is provided. That is, the protrusion 56 is disposed between the side surface portions of the bolt fastening portion 53 facing each other. Note that the width of the connection region 51 a is set to be narrower than the width of the sandwiching portion 54 in the Y-axis direction and the width of the narrow region 23.

  The second member 52 has a projection press-fitting hole 57 into which the projection 56 is press-fitted in the center, and is fixed to the first member 51 between the opposing side surfaces between the two bolt fastening portions 53. The second member 52 has a shape in which end regions facing each other across the center of the disc from the disc are linearly cut, and two straight portions parallel to each other are continuously connected to the straight portion. It is set to a planar shape surrounded by two opposing arcuate curve portions. The second member 52 is arranged so that the linear part forming the outer shape is oriented in the Y-axis direction, so that the arcuate curve part forming the outer shape is arranged along the outer edge of the bulging region 22 of the track rail 31. Is done. In other words, the second member 52 is engaged with the bulging region 22 in the X-axis direction, so that the movement of the second member 52 to the narrow region 23 between the bulging regions 22 is restricted. Thereby, the second member restricts the movement of the first member 51 in the longitudinal direction.

  Returning to FIG. 2, the slider block 32 includes a block main body 60, an end plate 61 (lid) attached to the block main body 60, an adapter plate 62 (attachment member) to which the leg portion 15 of the seat 10 is attached, Is provided. As shown in FIG. 3, the block body 60 is formed with a convex portion 63 that loosely fits into the concave portion 41 of the track rail 31. The convex portion 63 protrudes from the inner side surface 60 b of the block body 60 and is inserted into the concave portion 41 with a gap.

  By inserting the convex portion 63 into the concave portion 41, the track rail 31 and the slider block 32 cannot be separated in the Z-axis direction. For this reason, for example, even when an external load (withdrawal load) in a direction (a direction including the Z component) that is relatively separated from the track rail 31 is applied to the slider block 32 connected to the leg portion 15, the concave portion 41. As a result, the assembled state of the track rail 31 and the slider block 32 is maintained.

  In addition, a load rolling element rolling groove 65 is formed in the block body 60. The loaded rolling element rolling groove 65 is recessed in an arc shape with respect to the inner side surface 60 b of the block body 60. The load rolling element rolling grooves 65 are formed as a pair on the left and right sides of the slider block 32 so as to sandwich the track rail 31. The loaded rolling element rolling groove 65 is opposed to the rolling element rolling groove 40 of the track rail 31 and forms a loaded rolling element rolling path L1 for rolling the ball 64 in a loaded state.

  The block body 60 is formed with a no-load rolling element rolling path L2. The no-load rolling element rolling path L2 is formed through the block body 60 in the longitudinal direction. The inner diameter of the unloaded rolling element rolling path L2 is larger than the ball diameter of the ball 64 so that no load is applied to the ball 64. This unloaded rolling element rolling path L2 is formed in a pair on the left and right sides of the slider block 32 corresponding to the loaded rolling element rolling groove 65 (loaded rolling element rolling path L1).

  As shown in FIG. 2, the end plate 61 is attached to both end faces of the block body 60 in the moving direction. In the end plate 61, a direction change path L3 is formed on an opposing surface facing the both end surfaces of the block body 60 (see FIG. 3). The pair of direction change paths L3 connect both ends of the loaded rolling element rolling path L1 and the no-load rolling element rolling path L2 to form an infinite circulation path L of the balls 64.

  The infinite circulation path L connects a pair of linear portions (a loaded rolling element rolling path L1 and an unloaded rolling element rolling path L2) extending in the longitudinal direction of the track rail 31 and ends of the pair of linear portions. It is comprised from a pair of semicircular arc curvilinear part (direction change path L3). In the present embodiment, the two endless circulation paths L are formed so as to extend in parallel along the longitudinal direction of the track rail 31 with an interval in the width direction of the track rail 31.

  The ball 64 is interposed between the track rail 31 and the slider block 32 to smoothly move the slider block 32 with respect to the track rail 31. The balls 64 of the present embodiment are arranged in the endless circuit L with almost no gap and circulate through the endless circuit L.

  As shown in FIG. 2, the adapter plate 62 is fixed to the upper portion of the block body 60 by a plurality of bolts 66. The adapter plate 62 includes a connection pin receiving portion 68 into which a connection pin 67 for connecting the leg portion 15 of the seat 10 is rotatably inserted around an axis extending in the width direction (Y-axis direction). That is, the slider block 32 is connected to the leg portion 15 so as to be rotatable about the width direction of the track rail 31 as a rotation axis.

  The adapter plate 62 has an insertion hole 69 into which the positioning pin 45 is inserted. The insertion hole 69 is formed through the adapter plate 62 in the thickness direction (Z-axis direction). As shown in FIG. 4, the block body 60 is formed with an insertion hole 70 communicating with the insertion hole 69. The insertion hole 70 is formed through the block body 60 in the thickness direction (Z-axis direction). A cylindrical bush 71 with a flange is attached to the insertion hole 70.

  The positioning pin 45 has a tapered portion 45 a that can be easily inserted into the insertion hole 69 of the adapter plate 62, the insertion hole 70 (bush 71) of the block body 60, and the positioning hole 43 of the track rail 31. ing. When the positioning pin 45 passes through the adapter plate 62 and the block body 60 and is inserted into the positioning hole 43 of the track rail 31, the position of the slider block 32 in the longitudinal direction with respect to the track rail 31 is determined.

  According to the motion guide device 30 having the above configuration, the positioning (fixing) and the positioning release (fixing release) in the longitudinal direction of the slider block 32 with respect to the track rail 31 can be performed by inserting and removing the positioning pins 45. For this reason, if the positioning pin 45 is removed from the slider block 32, the seat 10 shown in FIG. 1 can be moved in the front-rear direction. Further, the seat 10 can be fixed by inserting the positioning pin 45 into the slider block 32 and inserting into the positioning hole 43 of the track rail 31.

  When attaching the track rail 31 to the floor rail 20, first, the first member 51 is inserted into the inner region of the floor rail 20 through the slit 21 of the floor rail 20, and the narrow region 23 of the slit 21 in the X-axis direction. And the bolt fastening portion 53 are arranged at the same position. Further, the second member 52 is disposed in the bulging region 22 of the floor rail 20 at a position where the protrusion 56 of the first member 51 is located, and the protrusion 56 is press-fitted into the protrusion press-fitting hole 57. Thereby, the inner base member 50 is in a state in which movement in the X-axis direction is restricted inside the floor rail 20. Furthermore, the track rail 31 is disposed above the floor rail 20 so that the bolt hole 55 and the bolt fixing hole 42 overlap in the X-axis direction. Bolts 44 are inserted into the bolt holes 55 through the bolt fixing holes 42 and screwed in a state where the heads of the bolts 44 are in contact with the counterbore 46. Thereby, the track rail 31 and the clamping part 54 of the 1st member 51 are fixed in the state which clamped the floor rail 20. As shown in FIG. As a result, the track rail 31 is in a state in which movement is restricted on the floor rail 20 in the X-axis direction, the Y-axis direction, and the Z-axis direction.

  The motion guide device 30 of the present embodiment is engaged with the first member 51 formed with bolt fastening portions 53 formed at a plurality of intervals in the X-axis direction and the bulging region 22, and a plurality of bolt fastenings. The inner base member 50 including the second member 52 that restricts the movement of the inner base member 50 in the X-axis direction between the portions 53 and the track rail 31 are fastened by the bolts 44, whereby the track is connected to the floor rail 20. The rail 31 is fixed. Therefore, the track rail 31 can be easily fixed to the floor rail 20.

  Further, in the motion guide device 30 of the present embodiment, the first member 51 includes a clamping part 54 that clamps the floor rail 20 together with the track rail 31 and a protruding bolt fastening part 53. Thereby, while being able to fix in the state which pinched the floor rail 20 by the clamping part 54 and the track rail 31, the insertion amount of the volt | bolt 44 in the bolt hole 55 can be increased because the bolt fastening part 53 protrudes. Therefore, the inner base member 50 can withstand the load in the bolt 44 pull-out direction (Z-axis direction) applied to the track rail 31 and can firmly fix the track rail 31 to the floor rail 20. .

  In the motion guide device 30 according to the present embodiment, the second member 52 is disposed between the side surfaces of the two bolt fastening portions 53 facing each other. As a result, the second member 52 is necessarily disposed between the plurality of bolt fastening portions 53 of the first member 51. Therefore, the movement of the first member 51 in the X-axis direction can be firmly restricted.

  Further, in the motion guide device 30 of the present embodiment, the second member 52 is fixed by inserting the protrusion 56 of the first member 51 into the protrusion press-fitting hole 57. Therefore, the second member 52 is always fixed to the first member 51, and rattling can be suppressed.

  The seat seat movement fixing device 1 according to the present embodiment includes the motion guide device 30 so that the track rail 31 can be easily attached to the floor rail 20, and the seat seat 10 can be moved in an aircraft cabin. It becomes easy.

[Second Embodiment]
A modification of the first embodiment will be described as a second embodiment. In addition, about the structure same as 1st Embodiment, a code | symbol is made the same and description is abbreviate | omitted. FIG. 7 is a perspective view showing a modification of the fixed unit 33A according to the embodiment of the present invention.

  As shown in FIG. 7, the fixing unit 33 </ b> A in the present embodiment has no protrusion 56 formed on the first member 51, and a pin fixing hole 58 is formed at the position where the protrusion 56 was formed in the first embodiment. Has been. In the second member 52, a fixing hole 59 having a diameter larger than that of the protrusion press-fitting hole 57 is formed instead of the protrusion press-fitting hole 57. The pin fixing hole 58 and the fixing hole 59 are provided at positions overlapping in the Z-axis direction. Further, the pin fixing hole 58 and the fixing hole 59 are the positioning holes 43 of the track rail 31 in a state where the first member 51 and the second member 52 are arranged on the floor rail 20 and the track rail 31 is fixed to the floor rail 20. And in the position overlapping in the Z-axis direction. As a result, the positioning pin 45 of the slider block 32 is inserted into the positioning hole 43, the pin fixing hole 58 and the fixing hole 59. A circular seat spring recess 52a is formed around the fixed hole 59 on the surface facing the track rail 31 in order to dispose an elastic member (not shown) (for example, a seat spring). Because of the seat spring, the second member 52 is pressed against the first member 51 in the Z-axis direction, and thus movement is restricted.

  Similar to the first embodiment, the motion guide device 30 of the present embodiment includes a first member 51 formed with bolt fastening portions 53 formed at a plurality of intervals in the X-axis direction, and a bulging region 22. The track base 31 and the inner base member including the second member 52 that engages and regulates the movement of the inner base member 50 </ b> A in the X-axis direction between the plurality of bolt fastening portions 53 are fastened by the bolts 44. The track rail 31 is fixed to the floor rail 20. Therefore, the track rail 31 can be easily fixed to the floor rail 20.

  Furthermore, since the motion guide device 30 of the present embodiment does not have a step of fixing the second member 52 to the first member 51, the work time for attaching the track rail 31 to the floor rail 20 can be shortened. Further, it becomes easier to fix the track rail 31 to the floor rail 20.

  As mentioned above, although preferred embodiment of this invention was described referring drawings, this invention is not limited to the said embodiment. Various shapes, combinations, and the like of the constituent members shown in the above-described embodiments are examples, and various modifications can be made based on design requirements and the like without departing from the gist of the present invention.

  For example, in the said embodiment, although the 1st member 51 employ | adopted the structure which has the two bolt fastening parts 53, this invention is not limited to this. The first member 51 can also be configured to have three or more bolt fastening portions 53. In this case, insertion into the floor rail 20 and alignment are facilitated.

  Moreover, in the said embodiment, although the track rail 31 and the floor rail 20 employ | adopted the structure extended in parallel as two pairs, this invention is not limited to this. For example, the track rail 31 and the floor rail 20 may employ a configuration in which one or three or more are provided in accordance with the shape of the leg portion 15 of the seat 10.

  For example, in the said embodiment, although the ball | bowl 64 was used as a rolling element, you may use other rolling elements, such as a roller, for example.

DESCRIPTION OF SYMBOLS 1 ... Seat seat movement fixing apparatus, 10 ... Seat seat, 15 ... Leg part, 20 ... Floor rail, 30 ... Movement guide apparatus, 31 ... Track rail (track body), 32 ... Slider block (moving body), 33 ... Fixed Unit (track unit), 50 ... inner base member, 51 ... first member, 52 ... second member, 53 ... bolt fastening portion

Claims (5)

A motion guide device comprising: a track body; and a mobile body mounted so as to be relatively movable with respect to the track body,
A cylindrical floor rail, which is long and has a slit formed in the upper part along the longitudinal direction, is arranged on the inner base member arranged on the inner side of the floor rail and the outer side of the floor rail by a plurality of bolts. The track body includes a track unit that is clamped from the inside and the outside,
The slit regularly has a plurality of bulging areas in which the width of the gap in the direction intersecting the longitudinal direction is set wide along the longitudinal direction,
The inner base member is
A first member having a plurality of bolt fastening portions formed at intervals in the longitudinal direction;
A second member that engages with the bulging region and restricts movement of the inner base member in the longitudinal direction between the plurality of bolt fastening portions;
The said bolt fastening part is arrange | positioned between the two said adjacent bulging area | regions. The exercise | movement guide apparatus characterized by the above-mentioned. The first member is
A sandwiching part that sandwiches the floor rail with the track body;
The motion guide apparatus according to claim 1, further comprising a plurality of the bolt fastening portions protruding upward from the clamping portion.   The motion guide device according to claim 2, wherein the second member is disposed between side surfaces of the plurality of bolt fastening portions facing each other.   The motion guide device according to claim 1, wherein the second member is fixed by being press-fitted into a protrusion formed on the first member. The movement guide device according to any one of claims 1 to 4,
An aircraft seat characterized in that the moving body is connected to a leg portion of a seat mounted on the aircraft.

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