JPS6361215B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a combination sheet device of a main sheet and a take-out sheet.

Recently, several sheet devices combining a main sheet and a take-out sheet have been proposed.

FIG. 1 shows the conventional combination sheet device, and FIG. 2 shows an example of its usage.

As shown in FIG. 1, all of the conventional combination sheet devices of this type have recesses formed in the seat cushion 2 and seat back 3 of the main sheet 1, and the seat cushion 5 of the take-out sheet 4.
and a seat back 6.

This conventional combination sheet device can be used by removing the sheet 4 from the main sheet and taking it outdoors. When the take-out sheet 4 is installed in the main sheet 1, as shown in FIG.
Although it can be used in a bed state, the seat back 6 of the ejectable seat 4 cannot be independently tilted back and the seat back 6 of the ejectable seat 4 in the front seat cannot be used as a footrest for a rear seat occupant.

An object of the present invention is to independently fold back the seat back of the ejectable seat with the ejectable seat incorporated in the main seat, and to convert the seat back of the ejectable seat in the front seat into a main seat that can be used as a footrest for the rear seat occupant. A combination sheet device with a take-out sheet is provided, which will be described in detail below with reference to the drawings.

3 to 6 show an embodiment of the present invention,
FIGS. 7 and 8 show how this embodiment is used.

The combination seat device of the embodiment shown in FIGS. 3 to 6 includes, for example, a main seat 10 for two people on the front side and a main seat 10 for two people on the rear side.
Two take-out sheets 20 are removably incorporated into each of the two.

As can be seen from FIGS. 3 and 8, the seat cushion 11 of the main sheet 10 is formed with a recessed portion 15 for incorporating the seat cushion of the take-out sheet 20, and the seat back 12 of the main sheet 10 has a The window 16 for incorporating the seat back of the take-out sheet 20 is attached to the seat back frame 14.
It is formed by penetrating the

The main sheet 10 has, as shown in FIG.
A reclining mechanism 17 is provided.

The seat cushion 21 of the take-out sheet 20 is incorporated into the recessed portion 15 formed in the seat cushion 11 of the main sheet 10, and the seat cushion 21 of the take-out sheet 20 is connected to the seat cushion of the main sheet 10. It is supported by a frame 13. Further, the bottom of the seat cushion 21 of the take-out sheet 20 is provided with a foldable or assembled type.
A removable leg portion 23 is provided. (See Figure 8).

The seat back 22 of the take-out sheet 20 is incorporated into the window portion 16 formed in the seat back 12 of the main sheet 10.

As shown in FIG. 5, the takeout seat 20 is provided with a reclining mechanism 24 separately from the main seat 10.

Seat cushion 21 of the take-out sheet 20
is coupled to the seat cushion frame 13 of the main sheet 10 via the first and second coupling mechanisms 25 and 32, and the seat back 22 of the take-out sheet 20 is coupled to the seat back frame 14 of the main seat 10 via the locking mechanism 35. It is locked.

The first coupling mechanism 25 is shown in FIGS.
As shown in the figure, a bracket 26 is attached to the seat cushion frame 13 of the main seat 10 via a mounting flange 26', and a pivot pin 2 is attached to the bracket 26, which has a protrusion 29' for locking.
A lock member 29 is rotatably supported via a coil spring 28 and is rotatably biased in the locking direction by a coil spring 28, and a protrusion 2 of this lock member 29.
The lock plate 30 has a lock hole 30' that fits into the lock plate 9', and a lever 31 that operates the lock member 29 in the unlocking direction. Under normal conditions, the first coupling mechanism 25 is connected to the lock plate 30 by the spring force of the coil spring 28.
The protrusion 29' of the locking member 29 is fitted into the locking hole 30' of the main sheet 10, so that the seat cushion 21 of the take-out sheet 20 is locked to the seat cushion frame 13 of the main sheet 10 at the front of the recessed portion 15. When the lever 31 is pulled in the direction of arrow a in FIG. The protrusion 29' of the main sheet 10 comes off.
The front end of the seat cushion 21 of the take-out sheet 20 can be removed from the seat cushion frame 13 of the sheet cushion frame 13.

As shown in FIG. 5, the second coupling mechanism 32 connects the seat cushion frame 1 of the main seat 10.
3 and a hook 34 attached to the rear end of the seat cushion 21 of the take-out sheet 20. In a normal state, the second coupling mechanism 32 is held in a locked state in which the hook 34 is engaged with the lock claw 33, and the sheet 2 is attached to the seat cushion frame 13 of the main sheet 10 at the rear end of the concave portion 15.
0 seat cushion 21 is locked,
After unlocking the first coupling mechanism 25, when the seat cushion 21 of the take-out sheet 20 is rotated upward about the pivot pin 24' of the reclining mechanism 24, the hook 34 is released from the lock pawl 33. It is configured as follows.

The lock mechanism 35, as shown in FIG.
A bracket 36 is attached to the back of the seat back frame 14 of the main seat at the upper part of the window 16 formed in the seat back 12 of the main seat 1.
a lock catcher 38 assembled to this bracket 36; a bracket 37 attached to the back of the upper end of the seat bag 22 of the take-out sheet 20; A lock pin 39 which is biased in the locking direction and which engages with the lock pin 3
9, and is provided so as to be able to pull the lock pin 39 from both the front and rear sides of the seat back 12 of the main seat 10 in the unlocking direction shown by arrows b and c in FIG. It includes first and second string-like objects 41 and 42 as second operation pieces. Further, in a normal state, this lock mechanism 35 is held in a locked state in which the lock pin 39 is engaged with the lock catcher 38 by the spring force of the coil spring 40, and the take-out sheet 20 is attached to the seat back frame 14 of the main sheet 10 within the window portion 16. A seat bag 22 is supported. In this state, the reclining mechanism 24 of the take-out sheet 20 is in a free state, and the main sheet 1
The main seat 10 is reclined by the reclining mechanism 17 of
When the seat back 12 of the sheet 20 is raised or lowered, the seat back 22 of the take-out sheet 20 can be raised or lowered accordingly. Furthermore, when the lock mechanism 35 pulls either one of the first and second strings 41 and 42 against the spring force of the coil spring 40, the lock pin 39 is released from the lock catcher 38, and the lock is released. . In this unlocked state, the seat back 2 of the take-out sheet 20
2, the reclining mechanism 2 of the take-out seat 20
4, it can be independently tilted backwards, and can also be raised from the backward position.

The combination sheet device of the main sheet and take-out sheet of the above embodiment is used in the following manner.

Incorporate the takeout sheet 20 into the main sheet 10,
When the seat bag 22 of the take-out seat 20 is locked to the seat back frame 14 of the main seat 10 via the lock mechanism 35, the reclining mechanism 17 of the main seat 10 is connected to the seat back frame 14 of the main seat 10 via the reclining mechanism 24 of the take-out seat 20. The seat bag 12 and the seat bag 22 of the take-out sheet 20 are formed so as to be in a free state in which they are interlocked.

Therefore, the main seat 10 incorporating the take-out seat 20 can be used as a normal seat, as shown in FIG. 20 seat bags 22
and can be used together.

Next, the first and second strings 4 of the locking mechanism 35
1 and 42 in the direction of arrow b or c in FIG. 5 to remove the lock pin 39 from the lock catcher 38 and release the lock.
0 seat bag 22 can be independently raised and lowered via the reclining mechanism 24 of the take-out seat 20.

Therefore, after releasing the lock of the locking mechanism 35, the seat back 22 of the take-out seat 20 of the front seat is tilted back to a substantially horizontal position as shown in FIG. 22 can be used as a footrest by a person sitting in the rear seat.

When the take-out sheet 20 is used outdoors, etc., the seat cushion 11 of the main sheet 10 and the seat cushion 2 of the take-out sheet 20 are
Pull the lever 31 of the first coupling mechanism 25 that connects the first coupling mechanism 25 with the first coupling mechanism 25 in the direction of the arrow a in FIG. , the seat cushion 21 of the take-out sheet 20 is rotated upward about the pivot pin 24' of the reclining mechanism 24, and the hook 34 is removed from the lock pawl 33 of the second coupling mechanism 32. to release the lock. Next, the locking mechanism 35 is unlocked in the manner described above, and the sheet 20 is removed from the main sheet 10 and carried outdoors. Next, if the legs 23 of the seat cushion 21 of the take-out seat 20 are foldable, the legs are opened and assembled.
In the case of a disassembly type, the components of the leg portion 23 are assembled and set as shown in FIG. 8 for use.

When reassembling the takeout sheet 20 into the main sheet 10, the above-described procedure may be followed in reverse.

In the present invention, the specific structures of the first and second coupling mechanisms 25, 32 and the locking mechanism 35 are not limited to the illustrated embodiment, and may be any structure that can fulfill the intended function.

Furthermore, the present invention is not limited to a seat for two people;
It can also be applied to seats for people and bench-type seats for three or more people.

The above is the configuration of one embodiment of the main sheet and take-out sheet combination device according to the present invention.
According to this configuration, the take-out seats each having a different reclining mechanism are removably incorporated into the main seat having a reclining mechanism, and the seat back of the take-out seat is independently placed in front of or in front of the main seat with respect to the seat back of the main seat. The seat back of the main seat and the seat back of the take-out seat are interlocked through a reclining mechanism of the main seat and a reclining mechanism of the take-out seat between the seat back of the main seat and the seat back of the take-out seat. A lock mechanism is provided that can selectively switch between a free state where the seat back of the take-out seat can be raised and lowered independently via the reclining mechanism of the take-out seat, and a lock mechanism that can selectively switch between a free state in which the seat back of the take-out seat can be raised and lowered independently through the reclining mechanism of the take-out seat. By releasing the lock, the seat back of the removable seat can be raised and lowered independently.The seat back of the removable seat in the front seat can be folded back to a nearly horizontal position and used as a footrest for the rear seat occupant. There is a potential effect. Further, the first and second coupling mechanisms between the seat cushion of the main sheet and the seat cushion of the take-out sheet are released, and the locking mechanism between the seat back of the main sheet and the seat back of the take-out sheet is released by the first operation lever. By releasing the seat and pulling the seat bag of the take-out sheet forward, the take-out sheet can be easily and quickly removed from the main sheet and taken out to use outdoors.

It should be noted that the above description merely shows one embodiment of the present invention, and it will be obvious that various modifications and changes can be made without departing from the spirit of the present invention.

[Brief explanation of drawings]

Figures 1 and 2 show a conventional combination sheet device of a main sheet and a take-out sheet.
Fig. 1 is a perspective view, Fig. 2 is a perspective view of the bed in use, and Figs. 3 to 8 show an embodiment of the present invention, and Fig. 3 is a side view showing a schematic structure. Figure 4 is an enlarged perspective view showing approximately half of the seat cushion frame and seat back frame of the main seat and the attachment of the parts attached to these frames, and Figure 5 is a longitudinal side view of the same assembled state. , Figure 6 is a longitudinal side view showing the details of the locking mechanism that connects the seat back frame of the main seat and the seat back of the removable seat, and Figure 7 is a vertical side view showing the details of the lock mechanism that connects the seat back frame of the main seat and the seat back of the removable seat. FIG. 8 is a longitudinal side view showing the state in use, and FIG. 8 is a perspective view showing the state in use with the takeout sheet removed from the main sheet. In the figure, 10...main seat, 11...seat cushion, 12...seat back, 13...seat cushion frame, 14...seat back frame, 15...seat cushion of the main seat. Recessed portion formed, 16... Window portion formed in the seat back of the main seat, 17... Reclining mechanism of the main seat, 20... Take-out seat,
21...Seat cushion, 22...Seat bag, 23...Legs provided on the seat cushion, 24...Reclining mechanism for the take-out seat, 25...Seat cushion frame of the main seat and the take-out seat 32...a second coupling mechanism for coupling the main seat seat cushion with the seat cushion; 35...a locking mechanism for coupling the seat back frame of the main sheet and the seat back of the take-out sheet.

Claims (1)

[Claims] 1. A main seat having a reclining mechanism is configured such that a take-out seat with a different reclining mechanism is removably incorporated, and the seat back of the take-out seat can be independently raised and lowered with respect to the seat back of the main seat. A recessed portion for incorporating the seat cushion of the take-out seat is formed in the seating portion of the seat cushion of the seat, and a window portion for incorporating the seat back of the take-out seat is formed in the main seat at a position corresponding to the recessed portion of the seat back of the main seat. The seat bag is formed so as to pass through the seat bag, and a lock mechanism is provided between the seat bag of the main sheet and the seat bag of the take-out sheet at one side of the window portion, so that the lock mechanism can be pulled from the front side of the main seat. It has a first operation piece and a second operation piece that can be pulled from the rear side of the main seat, and the locking mechanism can be locked by pulling either the first or second operation piece. The front end of the seat cushion of the take-out sheet is detachably attached to the front side of the seat cushion frame of the main sheet via a first coupling mechanism, and the seat cushion of the take-out sheet 1. A combination sheet device of a main sheet and a take-out sheet, characterized in that a rear end portion is detachably attached to the rear side of a seat cushion frame of the main sheet via a second coupling mechanism.