CN1136268A

CN1136268A - Chair having a hinged backrest forming a protective cover for the seat when folded down

Info

Publication number: CN1136268A
Application number: CN94194319.4A
Authority: CN
Inventors: 吉勒·凡蒂诺
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-03
Filing date: 1994-11-30
Publication date: 1996-11-20
Also published as: WO1995015099A1; DE69412636D1; CA2176346A1; EP0731657A1; EP0731657B1; ATE169803T1; FR2713064B1; ES2123226T3; DE69412636T2; AU1192895A; FR2713064A1

Abstract

The present invention provides a chair (1) including a fixed seat (2) and a backrest (3) with its lower portion hingedly connected to the rear of the seat (2), said backrest (3) being pivotable about at least one pivot pin (4) between a raised operative position and a position in which it is lowered onto the seat (2). An abutment portion is provided for locking said backrest (3) in the raised position. Said backrest (3, 8 or 29) is longer and wider than the seat (2) so that the inner surface (5) of said backrest (3, 8 or 29) completely encloses said seat (2) when said backrest (3, 8 or 29) is lowered thereon, and said backrest (3, 8 or 29) extends beyond the edges of the seat (2) on all sides so that the seat (2) and the inner surface (5) are coveringly protected when the backrest (3, 8 or 29) is in the lowered position. Said chair is particularly suitable for use outdoors.

Description

The hinged chair back forms the seat of seat support over cap when folding

The present invention relates to a kind of when folding the hinged chair back form the seat of the over cap of seat support and itself inner surface.

The present invention is specially adapted to the outdoor seat.

The present invention also is applicable to bench, also is applicable to folding seat.

In the prior art the hinged in addition some seats of the chair back.This chair back is not used in protection or covers seat support.

In general, the chair back is transferred on the seat support, in order that folding and/or stack seat, so that deposit and/or carry.The purpose of these seats is different fully with feature.

Described prior art can limit like this:

-EP-A-0331558 (GROSFILLEX): the folding rumble seat of the chair back and handrail.Described seat has a seat support on the one hand, by being that the post that holds that upper rail connected is supported, has a chair back on the other hand, is rotated installation with respect to seat support around axle, and is last, also has handrail, is placed on the strut rail, and is hinged on the chair back.According to this invention, handrail is hinged on each articulated mounting on the chair back has a fulcrum ball joint in the back of this chair back bearing, the handrail of this ball-joint and the configuration of described side direction forms one, this bearing has a cross sections, so that the described handrail of described chair back pillar one side or opposite side passes through.

The described hinged chair back is bored a hole, and therefore can not protect seat support.This is not a purpose of the present invention.

-US-A5018700 (LEDERGGREEN): seat has foreskin.It has the hinged chair back.The chair back is hinged monocoque.It is characterized in that the chair back is bearing in vertically turning of seat support, the chair back overturns forward and forms big opening at the rear portion, therefore can not guarantee the covering protection seat support.

-DE-C3734232: this patent has been described chair back tilting seat.The chair back slides at the ribbing chute that is arranged in seat rear.

The chair back covers seat again on length, but has spacing in the side, thereby does not have the lateral protection effect.

In fact, adopt with seat turn forward, the chair back leans against the method on the desk, can not prevent the influence of bad weather and dirt, this method does not have protective effect, just is convenient to rainwater and flows.If seat is put back in the storehouse, so, seat almost must be to fold.

Adopt the method protection seat of this patent, after finishing darg or after raining heavily, particularly in the restaurant, the coffee-house industry, avoided the housekeeping of seat, generally needn't take special measure protection seat.

In view of shell plays a protective role, seat of the present invention can adopt the material beyond the plastics to make wooden/straw mats formula, the artificial leather/braid formula seat support and chair back.

The present invention can obtain the price seat close with common seat and keep traditional appearance.The present invention can make these seats be used for hotel industry or cinema and important public place.

Use seat of the present invention, only need the hinged chair back is folded on the seat support, just be enough to protect the seat support and the chair back itself, do not need to do any other management work.Equally, on grandstand, one the performance or the performance after, can very promptly protect seat support, then, not long ago launched the chair back in spectators' admission, make it find the seat of oneself.

This seat has fixedly a seat support and a chair back, rear portion after chair back bottom and seat support lean on is hinged, the chair back can rotate around at least one jointed shaft that uses expanded position and be folded between the folding position on the seat support, supporting member guarantees that the described chair back is locked in expanded position, it is characterized in that, the size of the described chair back (length and width) is greater than the size of seat support, and when being folded on the described seat support with the described chair back of box lunch, the inner surface of the described chair back covers described seat support fully again; The described chair back four limits all exceed seat support, so that guarantee the covering protection seat support fully in the folding position of the chair back.

The described chair back is furnished with two similar vertical side plates, and when the described chair back was folded on the seat support, described side plate was strengthened the lateral protection of described seat support.

The chair back is made of a backrest and a shell, and the effect of backrest is the level of comfort that improves the seat user, and the effect of shell is when the described chair back is folded on the seat support, the described seat support of covering protection.

The chair back is made of the backrest that edge fits on the hinged shell of axle.

The backrest that edge is joined is remained on the hinged shell by quick keeper.

The size characteristic of shell is identical with the chair back with shape, when the described chair back is folded on the seat support, can guarantee the described seat support of complete covering protection.

The chair back is by constituting around the hinged backrest of axle, and edge is joined a shell on the outer surface of backrest.

The shell that edge is joined is fixed on the backrest by quick keeper.

The member that play supporting role is the chair back, and the chair back just is bearing on the seat support in its underpart, sways at expanded position.

The member that play supporting role of the chair back is: the described chair back has two at the side stand that uses expanded position that the described chair back is play supporting role, and described support is configured on the jointed shaft of the chair back two side lower parts near seat support back leg prolongation.

The member that play supporting role of the chair back is the prolongation of back leg, and back leg interconnects by a strut rail, and at expanded position, the chair back just is bearing on this strut rail.

Seat is furnished with two handrails, each handrail is in addition hinged by the axle that is connected as a single entity with the chair back in its end, is furnished with the connector that the level that is positioned at each foreleg turns in addition, when the chair back by with the hinged handrail that level turns another jointed shaft of being connected as a single entity and the level that is installed in turns when folding, the chair back is connected with the extension of foreleg by handrail and can almost is positioned on the handrail vertically, like this, described connector has been guaranteed the back supporting of the chair back.

Connector is made of a zigzag guide groove that is installed on each handrail, cooperates with axle or the alignment pin that the extension of foreleg is connected as a single entity together, and the zigzag guide groove can have some handrails position location, corresponding to the angle adjustment position of chair back as much.

The chair back has two alignment pins, protrude from each side, match with the zigzag side plate that is positioned at each front, back leg extension, guarantee that the chair back navigates in each draw-in groove, lift the chair back a little, articulated elements can move on to another draw-in groove from a draw-in groove, can move on to final bearing position backward, can move on to the folding position that is folded on the seat support forward.

Each foreleg and/or the back leg of seat are connected with seat support, have unhook, are convenient to draining.

Because the chair back becomes admittance formula mat with seat designs, the shell of the chair back is more recessed, is convenient to edge and joins back cushion, and back cushion remains in the shell by quick keeper, and in addition, seat support has two flanges in each side, guarantees to be convenient to protect the cushion that is installed on therebetween.

According to another embodiment preferably, seat is furnished with the handrail that is connected as a single entity with the monocoque type chair back.Handrail is connected by a strut rail each other, and strut rail is configured in below the seat support, is bearing in the groove protruding in place on each foreleg.

On the chair back, the rectangle of chair back jointed shaft groove in place allows the chair back vertically to move on the one hand, allows moving horizontally backward on the other hand, so that strut rail breaks away from groove in place, makes the chair back and handrail to overturn forward.

Accompanying drawing provides as non-limiting example, and the present invention embodiment preferably is shown, and helps to understand the present invention.

Fig. 1 is the stereogram with the seat that launches the chair back that the present invention is particularly useful for grandstand.

Fig. 2 is a seat shown in Figure 1 but chair back is folded in the view on the seat support.

Fig. 3 is the longitudinal sectional drawing of A-A among Fig. 2.

Fig. 4 is the transverse cross-sectional view of B-B among Fig. 4.

Fig. 5 is the stereogram that the chair back has the seat of backrest and shell.

Fig. 6 is seat shown in Figure 5 but is that another angle and the chair back are folded in the stereogram on the seat support.

Fig. 7 is the stereogram with seat of backrest and shell.

Fig. 8 is the longitudinal sectional drawing of F-F among Fig. 6.

Fig. 9 is the seat transverse cross-sectional view of E-E among Fig. 6.

Figure 10 is the stereogram of another embodiment of seat.

Figure 11 is seat shown in Figure 10 but is that another angle and the chair back are folded in the view on the seat support.

Figure 12 is the stereogram that the present invention has the seat of seat support and backrest.

Figure 13 is the transverse cross-sectional view of C-C among Figure 11.

Figure 14 is the longitudinal sectional drawing of D-D among Figure 11.

Figure 15 is the stereogram of another embodiment of seat.

Figure 16 is the stereogram that the present invention has the chair back of hinged backrest and shell.

Figure 17 be seat shown in Figure 15 but for another angle, the chair back is folding and hinged handrail is the stereogram of vertical state.

Figure 18 is the stereogram of handrail and seat support arms horizontal component.

Figure 19 is the stereogram of another embodiment of seat of the present invention.

Figure 20 is seat shown in Figure 19 but stereogram that the chair back is folded up.

Figure 21 is the detail drawing of chair back jointed shaft and chair back locking and gradient adjustment member.

Figure 22 is the stereogram of another embodiment, and wherein, seat is furnished with the handrail that is connected as a single entity with the chair back, and the described handrail strut rail below seat support is each other connected.

Figure 23 is the routine view of seat shown in Figure 22, arrow and be shown in dotted line the chair back and fold into motion conditions on the seat support.

Figure 24 is that the chair back of seat shown in Figure 22 is folded in the view on the seat support.

Seat 1 of the present invention has the fixedly seat support 2 and the chair back 3, this chair back 3 its by under lower hinge at the rear portion of described seat support 2.

The chair back 3 can rotate around at least one jointed shaft 4 that uses expanded position and be folded between the folding position on the seat support 2.

The member that play supporting role guarantees that the described chair back 3 is locked in expanded position.

The invention is characterized in, the chair back 3 shown in Fig. 1,2,10,11 and 12, the perhaps chair back 8 shown in Fig. 5,6,7,15,16 and 17, the perhaps chair back shown in Figure 19,20 29, the perhaps chair back shown in Figure 22,23,24 39, its size is greater than the size of seat support 2, and when being folded on the seat support 2 with the convenient chair back 3,8,29 or 39, the described chair back 3,8,29 or 39 inner surface 5 cover described seat support 2 fully again.

The described chair back 3,8,29 or 39 4 limits all exceed seat support 2, so that guarantee covering protection seat support 2 fully in the folding position of the chair back 3,8,29 or 39.

Special case shown in Fig. 1,2,3,4,11,12,13,14 illustrates: the chair back 3 of seat 1 has two similar

vertical side plates

6,7, improves the robustness of the chair back, when the described chair back 3 is folded on the seat support 2, described seat support 2 is played the lateral protection effect.

F-F shown in A-A shown in Fig. 3 and 4 and B-B profile and Fig. 8 and 9 and E-E profile illustrate the technical characterictic on the size that can make 3,8,29 or 39 pairs of seat supports 2 of the described chair back play the covering effect.

In other two embodiment shown in Fig. 5,6,7,8 and 9,15,16,17,19,20, the chair back 8 or 29 has backrest 9 and shell 10.

Backrest 9 or 11 has the effect of the level of comfort that improves described seat user, and when the described chair back 8 or 29 was folded on the seat support 2, shell 10 or 12 had the effect of the described seat support of covering protection.

In the embodiment shown in Fig. 5,6,7,8 and 9, the described chair back 8 has inlays the backrest 9 that fits on the shell 10.Shell 10 is around axle 4 hinged installations.

The backrest 9 that edge is joined remains in the hinged shell 10 by quick keeper.

Not shown described quick keeper.

If shell 10 is made of plastic, can be designed to directly insert in the described shell 10 by the backrest that the reinforcement of configuration around described shell 10 is firmly joined edge.

This relates to the embodiment that can make the quick keeper that backrest 9 and shell 10 be connected as a single entity.

According to other embodiment shown in Figure 15,16,17, the chair back 8 has backrest 11, and this backrest 11 is hinged around axle 4, and shell 12 edges fit on the outer surface of described backrest.Having backrest 11 only and carry out hingedly, only is that shell 12 is inlayed simply and fitted on the backrest 11.

The shell 12 that edge is joined is fixed on the hinged backrest 11 by quick keeper.

Not shown described quick keeper, but relate to the quick keeper of known type.

The member that play supporting role is the chair back 3, and the chair back 3 just is bearing on the seat support 2 in its underpart, when the described chair back 3 is in expanded position, just rotates around axle 4, sees the embodiment shown in Fig. 1 to 4.

According to specific embodiments especially shown in Figure 5, the chair back 8 has two

side plates

13,14, and the expanded position using play supporting role to the described chair back 8.

Described

side plate

13,14 is configured on one or two jointed shaft 4 of 8 liang of side lower parts of the chair back, near the extension of seat back leg.

According to other embodiment shown in Figure 10,11,12, the member that play supporting role of the chair back 3 is each other the extension of the back leg 15 that connected by strut rail 16.

At expanded position, the chair back 8 just is bearing on the described strut rail 16, shown in Figure 10,11,12.

According to other embodiment shown in Figure 15,16,17 and 18, seat is furnished with two

handrails

17,18, each handrail in its end the aperture by admitting the axle 19 that is connected as a single entity with the chair back 8 35 in addition hinged, have connector 22 in addition, the level that makes

handrail

17,18 be connected to each foreleg 21 turns on 20.

Described connector 22 is made of a zigzag guide groove 23 that is installed on each

handrail

17,18, cooperates with the axle 24 that the extension 20 of foreleg 21 is connected as a single entity together.

Sliding and centering on makes

handrail

17,18 rotate with respect to the axle 24 of perpendicularity slight inclination location, and the interlock motion is passed to each

handrail

17,18 that rotates on axle 19, and zigzag guide groove 23 can make the chair back 8 fold up.In case the chair back 8 is folded up, can prevent dirt.

When launching the chair back 8, the motion process of

handrail

17,18 is opposite, just be stuck in the draw-in groove of guide groove 23 until axle 24, guarantee the back supporting of the chair back 8, the described chair back is connected on the extension of foreleg 21 by

handrail

17,18 for 8 this moments, but, described

handrail

17,18 can be stuck in the corresponding draw-in groove in angle adjustment position of several and the chair back 8 as much.

According to other embodiment of the present invention shown in Figure 19,20 and 21, the chair back 29 has two

alignment pins

25,26, protrude from each side, match with the zigzag side plate 27 that is positioned at each front, back leg 28 extension, guarantee that the chair back 29 navigates in each draw-in groove, owing to adopt hinged 4 modes, therefore, lift the chair back 29 a little and can move on to another draw-in groove, can move on to final bearing position backward, can move on to the folding position that is folded on the seat support 2 forward from a draw-in groove.

According to various embodiment, each foreleg 21 and/or the

back leg

15,28 of seat are connected with seat support 2, have to break off relations 30, are convenient to draining.

Described unhook 30 is shown in Figure 13,9 especially.

The chair back 3,8 and seat support 2 are designed to admit mat, and the shell of the chair back 3,8 is more recessed, are convenient to edge and join back cushion 31; back cushion 31 remains in the shell of the chair back by the quick keeper 32 of VELCRO type (registration mark); in addition, seat support 2 has two flanges 33 in each side, guarantees to be convenient to protect cushion 34.

The layout of described various different technologies specifications is found in Figure 13.

According to other embodiment preferably, seat 36 is furnished with the handrail 37,38 that is connected as a single entity with the monocoque type chair back 39.Handrail 37,38 is connected by a strut rail 40 each other, and strut rail 40 is configured in below the seat support 41, is bearing in the groove 42 protruding in place on each foreleg.

On the chair back 39, the rectangle of chair back jointed shaft 44 groove in place 43 allows the chair back 39 vertically to move on the one hand, allows moving horizontally backward on the other hand, so that strut rail 40 breaks away from groove 42 in place, makes the chair back 39 and handrail 37,38 to overturn forward.

Claims

1, seat (1 or 36), it has the fixedly seat support (2) and the chair back (3,8,29 or 39), the described chair back its by under lower hinge at the rear portion of described seat support (2), the chair back (3) can be around using expanded position and being folded at least one jointed shaft (4 between the folding position on the seat support (2), 44) rotate, the member that play supporting role is guaranteed the described chair back (3,8,29 or 39) be locked in expanded position, it is characterized in that, the described chair back (3,8,29 or 39) size that has (length and width) is greater than the size of seat support (2), with the described chair back (3 of box lunch, 8, when 29 or 39) being folded on the seat support (2), the described chair back (3,8,29 or 39) inner surface (5) covers described seat support (2) fully again; The described chair back (3,8,29 or 39) four limits all exceed seat support (2), so that guarantee covering protection seat support (2) and inner surface (5) fully in the folding position of the chair back (3,8,29 or 39).

2, seat according to claim 1; it is characterized in that the described chair back (3) has two similar vertical side plates (6,7), improve the robustness of the chair back; when the described chair back (3) is folded on the seat support (2), described seat support (2) is played the lateral protection effect.

3, seat according to claim 1; it is characterized in that; the chair back (8,29) has backrest (9,11) and shell (10,12); backrest (9,11) has the effect of the level of comfort that improves described seat user; when the described chair back (8,29) was folded on the seat support (2), shell (10,12) had the effect of described seat support of covering protection (2) and backrest (9,11).

4, seat according to claim 3 is characterized in that, the chair back (8,29) has inlays the backrest (9) that fits on the shell (10).Shell (10) is around axle (4) hinged installation.

5, seat according to claim 4 is characterized in that, the backrest (9) that edge is joined remains in the hinged shell (10) by quick keeper.

According to described seat one of in claim 1 or 3, it is characterized in that 6, shell (10 or 12) has identical with the chair back (8,29) can guarantee the feature and the shape of complete covering protection seat support (2) when the described chair back (8,29) when folding up.

7, seat according to claim 3 is characterized in that, the chair back (8,29) has backrest (11), and this backrest (11) is hinged around axle (4), and shell (12) edge fits on the outer surface of described backrest (11).

8, seat according to claim 7 is characterized in that, the shell (12) that edge is joined is fixed on the backrest (11) by quick keeper.

9, according to described seat (1) one of in the claim 1,2 or 4, it is characterized in that the member that play supporting role is the chair back (3), the described chair back (3) just is bearing on the seat support (2) in its underpart, when being in expanded position, rotates around axle (4).

10, according to described seat one of in the claim 1,2 or 3, it is characterized in that, the member that play supporting role of the chair back (8) is: the described chair back (8) has two at the side stand (13,14) that uses expanded position that the described chair back (8) is play supporting role, and described support (13,14) is configured on the chair back (8) two side lower parts one or two jointed shaft (4) near back leg (15) prolongation of seat support.

11, according to the seat described in the claim 1,2 or 3, it is characterized in that, the member that play supporting role of the chair back (3) is each other the extension of the back leg (15) that connected by strut rail (16), and at expanded position, the described chair back (8) just is bearing on the described strut rail (16).

12, according to claim 1,2,3,4,5,6, described seat one of in 7 or 8, it is characterized in that, it is furnished with two handrails (17,18), each handrail (17,18) in addition hinged in its end around the axle (19) that is connected as a single entity with the chair back (8), is furnished with connector (22) in addition, this connector (22) is made up of axle (24), the level that this axle (24) is positioned at each foreleg (21) turns on (20), described foreleg (21) be installed in each handrail (17,18) guide groove on (23) is connected as a single entity, described connector (22) is by handrail (17,18) chair back (8) is connected on the extension of foreleg (21), guaranteed the back supporting of the described chair back (8), when the chair back (8) is gone up rotation at axle (19), slide and center on axle (24) and rotate by its guide groove (23), thereby when folding up, can almost navigate to described handrail (17 vertically, 18) on, described axle (24) turns (20) with level and is connected as a single entity hinged handrail (17,18) being installed in described level turns on (20).

13, seat according to claim 12, it is characterized in that, connector (22) is made of a zigzag guide groove (23) that is installed on each handrail (17,18), with matching with spool (24) that the extension of foreleg (21) is connected as a single entity, zigzag guide groove (23) can have some handrails (17,18) position location, corresponding to the angle adjustment position of the chair back (8) as much.

14, seat according to claim 1, it is characterized in that, the chair back (29) has two alignment pins (25,26), protrude from each side, match, guarantee that the chair back (29) navigates in each draw-in groove with the zigzag side plate (27) that is positioned at each back leg (28) front, extension, lift the chair back (29) a little, hinged (4) can move on to another draw-in groove from a draw-in groove, can move on to final bearing position backward, can move on to the folding position that is folded on the seat support (2) forward.

15, according to described seat one of in the claim 1,2,3,4,5,6,7,8,9,10,11,12,13 or 14, it is characterized in that, each foreleg (21) of seat and/or back leg (15,28) are connected with seat support (2), have unhook (30), are convenient to draining.

16, according to described seat one of in the claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14 or 15; it is characterized in that; the chair back (3) and seat support (2) are designed to admit mat; the shell of the chair back (3) is more recessed; be convenient to edge and join back cushion (31), described back cushion (31) is remained in the shell, by quick keeper (32) in addition; seat support (2) has two flanges (33) in each side, guarantees to be convenient to protect the cushion (34) that is installed in therebetween.

17, seat according to claim 1 is characterized in that, described seat is furnished with the handrail (37,38) that is connected as a single entity with the monocoque type chair back (39); Handrail (37,38) is connected by a strut rail (40) each other, and this strut rail (40) is configured in below the seat support (41), is bearing in the groove protruding in place (42) on each foreleg; The rectangle groove in place (43) of chair back jointed shaft (44) allows the chair back (39) vertically to move on the one hand, allow moving horizontally backward on the other hand, so that strut rail (40) breaks away from groove in place (42), make the chair back (39) and handrail (37,38) to overturn forward.