JP3782234B2 - Sheet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a seat that can stand up and detach from a seat slide and a floor.
[0002]
[Prior art]
In the rear seat of an automobile, as shown in FIG. 13 (a), a seat slide mechanism that moves the entire seat 1 in the front-rear direction, and as shown in FIG. 13 (b), to increase the luggage space on the back of the seat. In addition, as shown in FIG. 13 (c), the seat back 2 (backrest) is tilted forward to the seat cushion 3 (seat surface) and further raised up around the front edge of the seat cushion 3. A desorption mechanism for removing the seat 1 from the floor is provided.
[0003]
There are also a seat provided with a seat slide mechanism and a tumble mechanism, a seat provided with a seat slide mechanism and a detachable mechanism, and a seat provided with a seat slide mechanism, a tumble mechanism and a detachable mechanism.
[0004]
As shown in FIG. 14, the tumble lock mechanism for holding the seat upright is a method of locking the body and the seat 1 with a belt 4 or a method of arranging a replacement rod 5 between the floor and the seat 1. In addition, the seat cushion 3 is provided with a lock mechanism (interlock) 6.
[0005]
[Problems to be solved by the invention]
A seat provided with a conventional seat slide mechanism, a tumble mechanism, and a detaching mechanism has the following problems.
[0006]
(1) A vehicle equipped with a conventional seat detaching mechanism is configured to be detachable between the seat 1 and the seat slide mechanism, and often has a structure in which the seat slide mechanism is embedded in the floor. .
[0007]
Since the seat slide mechanism is embedded in the floor, there is a problem that the floor height increases and the interior height decreases.
(2) When the tumble lock mechanism is the belt 4, there is a lot of play, and an operation for attaching / detaching the belt 4 is required, so that the operability is poor.
[0008]
(3) In the case where the tumble lock mechanism is the refill bar 5 or the interlock mechanism 6, the refill bar 5 or the interlock mechanism 6 remains on the floor serving as the load room, so that the load room space cannot be used effectively.
[0009]
The present invention has been made in view of the above problems, and a first object of the present invention is to provide a seat that can effectively use the cargo space by reducing the number of remaining mechanical components on the floor side when the seat is removed. It is to provide.
[0010]
The second object is to provide a sheet that has good operability when tumble locked and has little play.
[0011]
[Means for Solving the Problems]
  The invention according to claim 1, which solves the above problem, includes a first rail provided on a seat, a second rail movably engaged with the first rail, and the first rail. A slide lock mechanism that prohibits relative movement with the second rail; a first lock mechanism that is provided on one end side of the second rail and that can be locked / unlocked with respect to a floor; A second locking mechanism provided on the other end side of the two rails and lockable / unlockable to a shaft on the floor extending in a direction substantially orthogonal to the extending direction of the second rail; A third locking mechanism which is provided on the other end side of the rail and can be locked / unlocked with respect to the floor other than the axis of the shaft when the seat stands up;A sub-slide lock mechanism that prohibits relative movement between the first rail and the second rail in conjunction with the unlocking operation of the first lock mechanism;It is the sheet | seat characterized by having.
[0012]
When the slide lock mechanism is unlocked in a state where the first lock mechanism and the second lock mechanism are locked to the floor, that is, in a state where the second rail is fixed to the floor, The rail becomes movable with respect to the second rail, and the first rail and the seat can be moved to a desired position.
[0013]
Next, when the first lock mechanism is unlocked, the seat becomes rotatable about the axis on the floor with which the second lock mechanism is engaged. When the seat is raised about this axis and is raised, the third locking mechanism is locked to the floor at a location other than the axis of the shaft, and the seat is locked in the raised state.
[0014]
The seat can be removed by unlocking the second and third locking mechanisms while the seat is being raised or while the seat is standing.
When the seat is removed, only the member engaged with the first lock, the shaft engaged with the second lock, and the member engaged with the third lock are left on the floor side. It can be used effectively.
[0015]
  Furthermore, if these are embed | buried in a floor, a luggage compartment can be used more effectively. Further, the third lock is locked to the floor simply by raising the seat, and the lock in the standing state is completed, so that the operability is improved.
  In addition, the seat is erected by providing a sub-slide lock mechanism that prohibits relative movement between the first rail and the second rail in conjunction with the unlocking operation of the first lock mechanism. In this state, the first rail and seat move even if the slide lock mechanism is unlocked ( Fall ) Without safety.
[0016]
According to a second aspect of the present invention, when the first rail according to the first aspect of the present invention is in a specific position, a first cancel mechanism for unlocking the first lock mechanism is provided on the first rail. A sheet characterized by being provided.
[0017]
  The seat can be erected by setting the specific position to a position where the other end of the first rail does not protrude from the other end of the second rail..
[0018]
  Invention of Claim 3 is invention of Claim 1 or 2A second cancel mechanism for unlocking the second lock mechanism and the third lock mechanism at the same time is provided.
[0019]
Since the second locking mechanism and the third locking mechanism can be unlocked only by operating the second cancellation mechanism, the operability is improved.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described with reference to the drawings.
(1) Overall schematic configuration
The schematic configuration of the sheet according to the present embodiment will be described with reference to FIGS.
[0021]
1-4, 10, 10 'is an upper rail as a first rail provided on the seat S side, and 20, 20' is a lower rail as a second rail movably engaged with the upper rails 10, 10 '. It is.
[0022]
Reference numerals 100 and 100 'denote slide lock mechanisms that prohibit relative movement between the upper rails 10 and 10' and the lower rails 20 and 20 '.
200 and 200 'are provided on one end of the lower rails 20 and 20', in this embodiment, on the rear end side, and fixed to the floor (in this embodiment, fixed on the floor) The first striker 201, 201 ′) is a first locking mechanism that can be locked / unlocked.
[0023]
300 and 300 'are provided on the other end of the lower rails 20 and 20', in the present embodiment, on the front end side, and as shown in FIG. 5, in a seatable state (hereinafter referred to as a use state), Locked to a shaft (second striker 301, 301 'fixed on the floor in this embodiment) provided on the floor side and extending in a direction substantially orthogonal to the direction in which the lower rails 20, 20' extend. It is the 2nd locking mechanism which can be unlocked.
[0024]
400 and 400 'are provided on the front end side of the lower rails 20 and 20', and as shown in FIG. 6, the second locking mechanism is locked when the seat S stands up (hereinafter referred to as seat upright). This is a third locking mechanism that can be locked / unlocked with respect to the floor (the third striker 401, 401 'in the present embodiment) at a location other than the shaft being operated.
[0025]
Reference numerals 500 and 500 'denote first cancel mechanisms which are provided on the upper rails 10 and 10' and unlock the first lock mechanisms 200 and 200 'when the seat is at the last position.
[0026]
700 and 700 'are sub-slides provided on the lower rail and prohibiting relative movement between the upper rails 10 and 10' and the lower rails 20 and 20 'in conjunction with the unlocking operation of the first locking mechanisms 200 and 200'. It is a locking mechanism.
[0027]
Reference numerals 800 and 800 ′ denote second cancel mechanisms that simultaneously unlock the second lock mechanisms 300 and 300 ′ and the third lock mechanisms 400 and 400 ′.
Reference numerals 900 and 900 ′ denote third cancel mechanisms for unlocking the third lock mechanisms 400 and 400 ′.
[0028]
(2) Slide lock mechanism
The slide lock mechanisms 100 and 100 'will be described with reference to FIGS. FIG. 7 is a cross-sectional view of the main part of the slide lock mechanism, and FIG. 8 is a main part configuration diagram for explaining the operation part of the slide lock mechanism.
[0029]
As shown in FIG. 7, a plurality of lock holes 21 and 21 'are formed on the side surfaces of the lower rails 20 and 20'. On the other hand, one lock hole 11, 11 'is formed on the side surface of the upper rail 10, 10'.
[0030]
Brackets 112 and 112 'are provided on the upper rails 10 and 10', and shafts 113 and 113 'are rotatably attached to the brackets 112 and 112'. The shafts 113 and 113 ′ engage with the lock holes 21 and 21 ′ of the lower rails 20 and 20 ′ and the lock holes 11 and 11 ′ of the upper rail through holes 112 a and 112 a ′ formed in the brackets 112 and 112 ′. Possible lock levers 114, 114 'are fixed (see FIG. 7).
[0031]
The lock levers 114 and 114 ′ lock the lower rails 20 and 20 ′ through holes 112 a and 112 a ′ formed in the brackets 112 and 112 ′ by springs 115 and 115 ′ engaged with the shafts 113 and 113 ′. It is urged in a direction (lock direction) to engage with the holes 21 and 21 'and the lock holes 11 and 11' of the upper rail.
[0032]
Cam levers 116 and 116 'are fixed to the shafts 113 and 113'.
Loop handle brackets 117 and 117 'whose one rotation end can be engaged with cam levers 116 and 116' are rotatably attached to the lower rails 10 and 10 'using pins 120 and 20'. The end of the loop handle 118 disposed at the front part between the lower rails 10, 10 ′ is attached to the other rotation end side of the loop handle brackets 117, 117 ′. The loop handle brackets 117 and 117 ′ are rotated around the pins 120 and 120 ′ by moving the (operation part) up and down.
[0033]
The loop handle 118 is urged downward at the center of the loop handle 118 by springs 119 and 119 ′ engaged with the loop handle brackets 117 and 117 ′.
[0034]
Therefore, as shown in FIG. 8, when the seat occupant pulls the central portion of the loop handle 118 upward against the urging force of the springs 119 and 119 ', the loop handle brackets 117 and 117' are locked levers. Through the cam levers 116 and 116 'fixed to the shaft 113 to which the 114 is fixed, the lock lever 114 is inserted into the holes 112a and 112a' formed in the brackets 112 and 112 ', and the lock holes 21 and 21 in the lower rails 20 and 20'. ′ And the upper rail lock holes 11, 11 ′ (in the unlocking direction).
[0035]
Further, both ends of the loop handle 118 are locked to the loop handle 118, an intermediate portion is locked to the structural member 121 in the width direction of the seat cushion, and a belt 122 extending in the back direction of the seat is further provided. The loop handle 118 can be operated even from the back of the seat.
[0036]
(3) First locking mechanism
The first locking mechanisms 200 and 200 ′ will be described with reference to FIGS. FIG. 9 is a perspective view of a main part of the first lock mechanism.
[0037]
First, a bracket 50 is provided on the side surface of the lower rail 20 over substantially the entire length. On the bracket 50, a first lock mechanism 200, a second lock mechanism 300, a third lock mechanism 400, which will be described below, A sub-slide lock mechanism 700 is provided.
[0038]
On the other hand, the lower rail 20 'is also provided with a first lock mechanism 200', a second lock mechanism 300 ', a third lock mechanism 400', and a sub-slide lock mechanism 700 '. The sub-slide lock mechanism 700 ′ is provided at the rear bracket 60 provided at the rear portion of the lower rail 20 ′, and the second lock mechanism 300 ′ and the third lock mechanism 400 ′ are provided at the front portion of the lower rail 20 ′. It is provided on each of the provided front brackets 61.
[0039]
The bracket 50 on the lower rail 20 side and the rear bracket 60 on the lower rail 20 'side are provided with two plates 210, 211, 210', 211 'having a space therebetween.
[0040]
Reference numerals 202 and 202 ′ denote semicircular pins having a cross-sectional shape that are rotatably provided on the two plates 210, 211, 210 ′, and 211 ′. Hooks 204 and 204 ′ having 204 a and 204 a ′ having locking grooves detachable from the first striker 201 fixed on the floor are fitted to the pins 202 and 202 ′, and the pins 202 and 202 are fitted. 'And the hooks 204, 204' rotate together.
[0041]
Reference numerals 206 and 206 'denote pins rotatably provided on the two plates 210, 211, 210' and 211 ', respectively. The pins 206 and 206 ′ have cams 207 and 207 ′ engaged with engagement grooves 204 b and 204 b ′ provided on the backs of the hooks 204 and 204 ′ engaged with the first strikers 201 and 201 ′. Are mated.
[0042]
The inner ends of springs 205 and 205 'whose outer ends are locked to the pins 206 are locked to the pins 202 and 202', and the lock grooves 204a and 204a 'can be detached from the first strikers 201 and 201'. The hooks 204 and 204 'are urged in a certain direction (unlock direction: arrow I direction in FIG. 9).
[0043]
Guide pins 215 and 215 'are attached to the cams 207 and 207', and the guide pins 215 and 215 'are arcuate guide holes 210a and 210a' formed in the plates 210, 210 ', 211 and 211'. , 211a, 211a ′, and the rotation range of the cams 207, 207 ′ is restricted.
[0044]
When the cams 207, 207 'slightly rotate in the direction of arrow II from the position shown in FIG. 9, the hooks 204, 204' can be detached from the first strikers 201, 201 'by the urging force of the springs 205, 205'. Rotate to (unlocked).
[0045]
When the unlocked hooks 204, 204 'are pressed against the first strikers 201, 201', the hooks 204, 204 'rotate against the urging force of the springs 205, 205' and the hooks 204, 204 'are rotated. The first strikers 201 and 201 ′ are engaged with the lock grooves 204a and 204a ′ of 204 ′, and the locked state is established.
[0046]
(4) First cancellation mechanism
The first cancel mechanism 500, 500 ′ will be described with reference to FIGS. FIG. 10 is a perspective view of a main part of the first cancel mechanism.
[0047]
A bracket 502 'on which a rear lock cancel handle 501 is rotatable is attached to the rear portion of the upper rail 10'.
Further, a cancel handle 505 ′ capable of contacting a guide pin 215 ′ provided on the cam 204 ′ of the first lock mechanism 500 ′ is rotatably attached to the bracket 502 ′. The rear lock cancel handle 501 and the cancel handle 505 'are connected via a link 506'.
[0048]
A spring 507 'is locked between the cancel handle 505' and the bracket 502 'to urge the cancel handle 505' away from the guide pin 215 'of the cam 204'.
[0049]
The movement of the rear lock cancel handle 501 is also transmitted to the cancel handle 505 of the first lock mechanism 500 via the cable 510.
[0050]
The cancel handle 505 of the first cancel mechanism 500 is rotatably provided between the two brackets 520 and 521 provided at the rear portion of the upper rail 10.
[0051]
A spring 507 is locked between the cancel handle 505 and the bracket 521 to urge the cancel handle 505 in a direction away from the guide pin 215 of the cam 204 (arrow III direction in FIG. 10).
[0052]
Here, when the rear lock cancel handle 501 is pulled upward, the cancel handles 505 and 505 ′ rotate against the urging force of the springs 507 and 507 ′, and the cams 207 and 207 of the first lock mechanisms 200 and 200 ′ are rotated. The guide pins 215 and 215 'of 207' are pushed, and the cams 207 and 207 'are rotated in the direction of arrow II in FIG.
[0053]
In this embodiment, when the seat is located at the last position, that is, at the position where the upper rails 10, 10 'are completely accommodated in the lower rails 20, 20', the upper rails 10, 10 'are provided. The cancel handle 505 of the first cancel mechanism 500, 500 ′ is set to a position as shown in FIG. 10, that is, a position where the guide pins 215, 215 ′ of the cams 207, 207 ′ can be pushed.
[0054]
(5) Sub slide lock mechanism
The sub-slide lock mechanisms 700 and 700 ′ will be described with reference to FIGS. FIG. 11 is a configuration diagram of a main part of the sub-slide lock mechanism.
[0055]
Guides 210b, 211b, 210b 'and 211b' are formed on the plates 210 and 211 and the plates 210 'and 211' in the direction toward the upper rail 10, and the sub-block slider 701 is provided on the guides 210b and 211b, and the guides 210b 'and 211b are provided. Sublock sliders 701 'are movably engaged with each other.
[0056]
Between the pin 230 provided on the cam 207 and the pin 702 provided on the sub-block slider 701, and between the pin 230 'provided on the cam 207' and the pin 702 'provided on the sub-block slider 701'. The springs 221 and 221 'are locked, and the sub-block sliders 701 and 701' are pressed against the back portions of the cams 207 and 207 '.
[0057]
When the first locking mechanisms 200 and 200 'are unlocked, the sub slide locks 701 and 701' are guided to the guides 210b, 211b, 210b 'and 211b by the rotation of the arrows 207 of the cams 207 and 207', and the upper rail 10 , 10 'and engages with the sub-lock hole 30 of the bracket 521 in the sub-slide lock 700, and engages with the sub-lock hole 30' formed in the bottom surface of the upper rail 10 'in the sub-slide lock 700'. The movement of the upper rails 10, 10 'is prohibited.
[0058]
(6) Second lock mechanism and third lock mechanism
Next, the second lock mechanism 300, 300 ′ and the third lock mechanism 400, 400 ′ will be described with reference to FIGS.
[0059]
A bracket 310 is provided at the front portion of the bracket 50 of the lower rail 20 via a gap, and a bracket 310 ′ is provided at the front bracket 61 of the lower rail 20 ′ via a gap.
[0060]
A second hook in which grooves 305a and 305a 'that can be engaged with the second strikers 301 and 301' are formed between the bracket 50 and the bracket 310 and between the front bracket 61 and the bracket 310 '. Grooves 405a and 405a 'engageable with the third strikers 401 and 401' are formed, and third hooks 405 and 405 'are rotatably provided.
[0061]
As shown in FIG. 12, the second hook 305 and the third hook 405 are formed with engaging projections 305b and 405b that can come into contact with each other. ,
The second hooks 305 and 305 'are provided with pins 306 and 306', and the third hooks 405 and 405 'are provided with pins 406 and 406'. Due to the spring 311 that engages both pins 406 and 406 ', the second hooks 305 and 305' and the third hooks 405 and 405 have grooves 305a and 305a 'in the second striker 301 and grooves 405a. , 405 a ′ is biased in a direction (locking direction) to engage with the third striker 401.
[0062]
Accordingly, the movement from FIG. 5 to FIG. 6, that is, the seat back of the seat S is tilted forward until it overlaps the seat cushion, and the rear lock cancel handle 501 is operated to unlock the first lock mechanism 200, 200 ′. When the seat S is in the locked state and the seat S in use is raised with the second striker 301, 301 'as the axis, the grooves 405a, 405a' of the third hooks 405, 405 'of the third locking mechanism 400, 400' are The third strikers 401 and 401 'are engaged and locked in a standing state (tumble lock).
[0063]
(7) Second and third cancellation mechanisms
Next, the second and third cancellation mechanisms will be described with reference to FIGS. FIG. 12 is a perspective view of main parts of the second and third cancel mechanisms.
[0064]
An outer pipe 802 and an inner pipe 801 rotatably provided in the outer pipe 802 are rotatably disposed between the upper rails 10 and 10 '.
[0065]
Leveres 810 and 810 ′ are fixed to both ends of the outer pipe 802.
A "<"-shaped lever 811 is rotatably attached to the bracket 50 and the front bracket 61 provided on the lower rails 20 and 20 '. Pins 812 and 812 'with which the levers 810 and 810' can come into contact are provided at one rotation end of the levers 811 and 811 '.
[0066]
Further, elongated holes 811a and 811a 'are formed at the other rotating end of the levers 811 and 811', and pins 813 provided on the second hooks 305 and 305 'are formed in the elongated holes 811a and 811a'. Is loosely fitted.
[0067]
Further, the outer pipe 802 has a spring 820 whose one end is locked to the upper rail 10 'and the other end of the spring 820 in a direction in which the engaging levers 810 and 810' are separated from the pins 812 and 812 'of the levers 811 and 811'. Energized.
[0068]
At both ends of the inner pipe 801, levers 830 and 830 ′ that can come into contact with pins 450 and 450 ′ provided on the third hooks 405 and 405 ′ are fixed. Further, the front cancel handle 860 disposed in front of the upper rail 10 'is connected to the rotating end side of the lever 830' via a shaft 850 having a cross-sectional shape.
[0069]
Accordingly, the seat S is erected, and the grooves 405a and 405a ′ of the third hooks 405 and 405 ′ of the third lock mechanisms 400 and 400 ′ are engaged with the third strikers 401 and 401 ′. When the cancel handle 860 is pulled in the direction indicated by the arrow V in FIG. 12, the levers 830 'and 830 rotate around the inner pipe 801 in the direction indicated by the arrow VI, and the third hooks 405' and 405 rotate in the unlocking direction. The third lock mechanism 400, 400 'is unlocked (tumble lock unlock), and the seat S can be returned to the use state (third cancel mechanism).
[0070]
In a state where the sheet S is raised and the grooves 405a and 405a ′ of the third hooks 405 and 405 ′ of the third lock mechanisms 400 and 400 ′ are engaged with the third strikers 401 and 401 ′, the sheet S In the middle of raising S, the grooves 405a and 405a 'of the third hooks 405 and 405' of the third lock mechanism 400 and 400 'are not engaged with the third strikers 401 and 401'. When the handle 802a (see FIG. 1) provided at the intermediate portion of the outer pipe 802 is pulled up in this state, the levers 801 and 810 'rotate in the VII direction in FIG. 12, and the pins 812 and 812 of the levers 810 and 810' are rotated. 'And the levers 811 and 811' rotate in the direction of arrow VIII.
[0071]
When the levers 811 and 811 ′ rotate in the direction of the arrow VIII, the second hooks 305 and 305 ′ rotate in the direction of the arrow IX, and the third hooks 405 and 405 ′ rotate in the direction of the arrow X. Unlocking 300, 300 ', unlocking the third locking mechanism 400, 400', that is, engaging the grooves 305a, 305a of the second hooks 305, 305 'with the second striker 301, 301' The engagement between the grooves 405a and 405a of the third hooks 405 and 405 'and the third strikers 401 and 401' is released, and the sheet S can be removed (second canceling mechanism).
According to the sheet having the above configuration, the following effects can be obtained.
[0072]
(1) When the sheet S is removed, only the first to third strikers 201, 201 ′, 301, 301 ′, 401, 401 ′ remain on the floor side, and the luggage compartment can be used effectively.
[0073]
Further, if these first to third strikers 201, 201 ′, 301, 301 ′, 401, 401 ′ are embedded in the floor, the cargo compartment can be used more effectively.
(2) The third locking mechanism 400, 400 ′ is locked with the third striker 401, 401 ′ by simply raising the seat S, and the erection state is completed, so that the operability is improved.
[0074]
(3) The first cancel mechanism 500, 500 'for unlocking the first lock mechanism 200, 200' is used only when the seat S is in the last position, that is, in the upper rail 10, 20 '. Since the operation is possible at the position where 10 'is completely accommodated, it is possible to prevent the upper rails 10, 10' from projecting toward the second lock mechanisms 300, 300 'and alienating the seat S from rising.
[0075]
(4) Even if the slide lock mechanism 100 is unlocked in a state where the seat S is raised, the upper rails 10, 10 'and the seat S do not move (drop), and it is safe.
(5) The second locking mechanism 300, 300 'and the third locking mechanism 400, 400' can be unlocked simply by operating the handle portion 802a of the outer pipe 802 as the second canceling mechanism. Property is improved.
[0076]
The present invention is not limited to the above embodiment. In the above embodiment, the first to third lock mechanisms are all the lock mechanism composed of the striker and the hook. However, in order to realize the first invention, at least the second lock mechanism is the lower rail. The first and third locking mechanisms are not limited as long as they can be locked / unlocked to the shaft on the floor extending in a direction substantially perpendicular to the extending direction of the first and second locks.
[0077]
【The invention's effect】
As described above, according to the first aspect of the present invention, the seat is removed by unlocking the second and third locking mechanisms while the seat is being raised or while the seat is standing. Can do.
[0078]
When the seat is removed, only the member engaged with the first lock, the shaft engaged with the second lock, and the member engaged with the third lock are left on the floor side. It can be used effectively.
[0079]
  Furthermore, if these are embed | buried in a floor, a luggage compartment can be used more effectively. Further, the third lock is locked to the floor simply by raising the seat, and the lock in the standing state is completed, so that the operability is improved.
  Even if the slide lock mechanism is unlocked with the seat upright, the first rail and seat move. ( Fall ) Without safety.
[0080]
According to the second aspect of the present invention, the seat can be erected by setting the specific position to a position where the other end of the first rail does not protrude from the other end of the second rail. it can.
[0081]
  Claim 3According to the described invention, the second lock mechanism and the third lock mechanism can be unlocked only by operating the second cancel mechanism, so that the operability is improved.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a main part of an entire sheet according to an embodiment.
2 is an enlarged view of a slide lock mechanism, a first cancel mechanism, a second cancel mechanism, and a third cancel mechanism in FIG. 1. FIG.
FIG. 3 is an enlarged view of the first lock mechanism, the second lock mechanism, and the third lock mechanism in FIG. 1;
4 is an enlarged view of a first cancel mechanism, a second lock mechanism, a third lock mechanism, and a sub-slide lock mechanism in FIG. 1. FIG.
FIG. 5 is a diagram for explaining the operation of the sheet shown in FIG. 1;
6 is a diagram for explaining the operation of the sheet shown in FIG. 1; FIG.
FIG. 7 is a cross-sectional view of a main part of the slide lock mechanism.
FIG. 8 is a main part configuration diagram illustrating an operation unit of a slide lock mechanism.
FIG. 9 is a perspective view of a main part of the first lock mechanism.
FIG. 10 is a perspective view of a main part of a first cancel mechanism.
FIG. 11 is a main part configuration diagram of a sub-slide lock mechanism.
FIG. 12 is a perspective view of main parts of second and third cancel mechanisms.
FIG. 13 is a diagram for explaining the operation of a conventional rear seat.
FIG. 14 is an explanatory diagram of a conventional tumble lock mechanism.
[Explanation of symbols]
10,10 'upper rail (first rail)
20,20 'Lower rail (second rail)
100,100 'slide lock mechanism
200,200 'first locking mechanism
300,300 'second locking mechanism
301,301 ′ Second striker (shaft)
400,400 ′ Third locking mechanism

Claims (3)

A first rail provided on the seat;
A second rail movably engaged with the first rail;
A slide lock mechanism for prohibiting relative movement between the first rail and the second rail;
A first locking mechanism provided on one end side of the second rail, and lockable / unlockable with respect to the floor;
A second locking mechanism which is provided on the other end side of the second rail and can be locked / unlocked to a shaft on the floor extending in a direction substantially orthogonal to the extending direction of the second rail;
A third locking mechanism that is provided on the other end side of the second rail and can be locked / unlocked with respect to the floor at a location other than the axis of the shaft when the seat is raised;
A sub-slide lock mechanism that prohibits relative movement between the first rail and the second rail in conjunction with the unlocking operation of the first lock mechanism;
A sheet characterized by having.   2. The seat according to claim 1, wherein the first rail is provided with a first canceling mechanism for unlocking the first locking mechanism when the first rail is in a specific position. 3. The seat according to claim 1 , further comprising a second cancel mechanism for simultaneously unlocking the second lock mechanism and the third lock mechanism .

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