CA2185416C - Seat assembly for mass transit vehicle - Google Patents
Seat assembly for mass transit vehicle Download PDFInfo
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- CA2185416C CA2185416C CA 2185416 CA2185416A CA2185416C CA 2185416 C CA2185416 C CA 2185416C CA 2185416 CA2185416 CA 2185416 CA 2185416 A CA2185416 A CA 2185416A CA 2185416 C CA2185416 C CA 2185416C
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Abstract
A mass transit seat assembly of modular construction.
The seat assembly includes a universal seat frame which is formed of roll formed steel members and which is usable in combination with a variety of support bracketry so that a single common seat frame may be utilized to provide a variety of seating positions and seating attitudes within the vehicle. The seat frame includes side rails and cross rails extending between the side rails. Fastener assemblies mounted on the associated bracket hardware include nuts slidably positioned within the respective cross rails and bolts extending upwardly through the bracket for threaded engagement with to the nuts. The invention provides an improved cantilever support assembly by virtue of which a single cantilever construction may be utilized to satisfy a wide variety of seating requirements;
an improved wall mount bracket arrangement wherein the wall mount bracket is releasably secured to the cross rails utilizing fastener assemblies; an improved and simplified means of mounting the seat shell to the seat frame; and an improved seat frame in which all of the cross rails are identical and therefor interchangeable.
The seat assembly includes a universal seat frame which is formed of roll formed steel members and which is usable in combination with a variety of support bracketry so that a single common seat frame may be utilized to provide a variety of seating positions and seating attitudes within the vehicle. The seat frame includes side rails and cross rails extending between the side rails. Fastener assemblies mounted on the associated bracket hardware include nuts slidably positioned within the respective cross rails and bolts extending upwardly through the bracket for threaded engagement with to the nuts. The invention provides an improved cantilever support assembly by virtue of which a single cantilever construction may be utilized to satisfy a wide variety of seating requirements;
an improved wall mount bracket arrangement wherein the wall mount bracket is releasably secured to the cross rails utilizing fastener assemblies; an improved and simplified means of mounting the seat shell to the seat frame; and an improved seat frame in which all of the cross rails are identical and therefor interchangeable.
Description
. . 2185416 SEAT ASSEMBLY FOR MASS TRANSIT VEHICLE
Background of the Invention The invention relates to seating assemblies and more particularly to seat assemblies especially suited for installation in mass transit vehicles.
Seat assemblies for mass transit vehicles present problems and requirements that are unique to the mass transit environment. Specifically, mass transit seats must be sturdy, durable, light weight, attractive, comfortable, inexpensive in construction and manufacture, and inexpensive in installation. Whereas a myriad of mass transit seat assembly constructions have been proposed and/or utilized, none of the prior art seat assemblies satisfy all of the above requirements and, specifically, each of the prior art seat assemblies achieves one or more of the listed requirements at the expense of one or more of the other listed requirements. Further, the prior art seat assemblies have generally been dedicated to a specific support bracketry and, accordingly, have been dedicated to installation in the vehicle in a specific position or attitude.
218541b This invention is directed to the provision of a method of installing transit seats in a transit vehicle.
There is described herein a mass transit seat assembly which facilitates the installation of seating in a mass transit vehicle in a variety of positions and attitudes and at a minimum of cost.
The seat assembly described herein is intended to facilitate the installation of seats in a mass transit vehicle. A cantilever support bracket assembly for a transit seat is adapted to extend from a vertical wall surface of the transit vehicle to a lower horizontal support surface of a seat frame. This bracket assembly comprises a strut 1 o structure; a wall plate having an attachment portion fixedly attached to one end of the strut structure and a mounting portion separated from the attachment portion by a fold line and extending outwardly beyond the one strut structure end for use in mounting the bracket assembly to the wall surface; and a seat plate having an attachment portion fixedly attached to another end of the strut structure and a mounting portion separated from the attachment portion by a fold line and extending outwardly beyond the other structure and for use in mounting the bracket assembly to the seat. With this arrangement, each plate may be selectively bent about the respective fold line to vary the angle of the mounting plate portion of the plate relative to the strut to accommodate various seat installations.
2 o There is also disclosed herein a transit seat frame including left and right side rails of L configuration, a front cross rail extending between the front ends of the side rails, a top cross rail extending between top ends of the side rails, and a rear cross rail extending between intermediate portions of the side rails. The front, top and rear cross rails are identical and interchangeable. This arrangement simplifies the construction 2 5 of the seat frame by minimizing the number of parts required to construct the frame.
As also described herein, a transit seat assembly includes left and right side rails of L configuration; a front cross rail extending between and beneath the side rails proximate front ends of the side rails, a rear cross rail extending between and beneath the side rails proximate rearward portions of the side rails; a wall mount bracket of L configuration including an attachment portion adapted to be attached to a wall surface of a transit vehicle and a horizontal mounting portion positioned beneath the front and rear cross rails; and fastener means releasably interconnecting the mounting portion of the wall mount bracket and the front and rear cross rails.
This arrangement provides a simple and ei~ective means of providing support for the seat frame assembly proximate the wall of the transit vehicle.
A seat assembly described below comprises a seat frame including left and right side rails, cross rails extending between the side rails and including a front cross rail and at least one bracket upstanding from the front cross rail and defining an upper mounting portion, and a seat shell supported on the seat frame and including a forward portion supported on the bracket mounting portion. This arrangement provides a simple and effective means of supporting the seat shell on the seat frame. The bracket preferably includes an aperture and the assembly further includes a clamp plate positioned beneath the shell and having a forward portion passing through the aperature in the bracket and a rearward portion fixedly secured to the seat shell. A nut is provided on the rear portion of the clamp plate; an aperture is provided in the shell;
and the rear portion of the clamp plate is fixedly attached to the shell by a threaded 2 o fastener passing downwardly through the aperture in the shell for threaded engagement with the nut. This specific arrangement provides a simple and effective means of readily and rigidly securing the seat shell to the forward portion of the seat fi~ame.
The seat assembly and seat construction disclosed herein lends itself to a modular methodology employing a universal seat frame for use with a variety of 2 5 support hardware to allow the installation of the universal frame in a variety of positions and attitudes within the vehicle.
According to the present invention, there is provided a method of installing sets in a variety of positions and attitudes in a transit vehicle comprising:
providing a plurality of identical seat fi~ames each including at least one tubular 3 o cross member having a slot running the length of the cross member to allow A
T~ 218541b access to the hollow interior of the cross member;
providing a plurality of support brackets of varying configuration;
providing a plurality of releasable fastener assemblies each including a nut for slidable positioning in the hollow interior of the cross rail and a fastener carried by the respective support bracket and adapted to pass through the slot in the cross member for access to a respectivev nut; ana installing the frames in the transit vehicle in a variety of positions and attitudes by selective combination of the flames and support brackets and selective utilization 1 o of the fasteners and nuts to ~eleasably secure respective support brackets to respective frames at varying locations on the frames. , ;.,~; , , 218541b FIGURE 1 is a fragmentary perspective view of a public transit. vehicle interior showing various seat assemblies;
Background of the Invention The invention relates to seating assemblies and more particularly to seat assemblies especially suited for installation in mass transit vehicles.
Seat assemblies for mass transit vehicles present problems and requirements that are unique to the mass transit environment. Specifically, mass transit seats must be sturdy, durable, light weight, attractive, comfortable, inexpensive in construction and manufacture, and inexpensive in installation. Whereas a myriad of mass transit seat assembly constructions have been proposed and/or utilized, none of the prior art seat assemblies satisfy all of the above requirements and, specifically, each of the prior art seat assemblies achieves one or more of the listed requirements at the expense of one or more of the other listed requirements. Further, the prior art seat assemblies have generally been dedicated to a specific support bracketry and, accordingly, have been dedicated to installation in the vehicle in a specific position or attitude.
218541b This invention is directed to the provision of a method of installing transit seats in a transit vehicle.
There is described herein a mass transit seat assembly which facilitates the installation of seating in a mass transit vehicle in a variety of positions and attitudes and at a minimum of cost.
The seat assembly described herein is intended to facilitate the installation of seats in a mass transit vehicle. A cantilever support bracket assembly for a transit seat is adapted to extend from a vertical wall surface of the transit vehicle to a lower horizontal support surface of a seat frame. This bracket assembly comprises a strut 1 o structure; a wall plate having an attachment portion fixedly attached to one end of the strut structure and a mounting portion separated from the attachment portion by a fold line and extending outwardly beyond the one strut structure end for use in mounting the bracket assembly to the wall surface; and a seat plate having an attachment portion fixedly attached to another end of the strut structure and a mounting portion separated from the attachment portion by a fold line and extending outwardly beyond the other structure and for use in mounting the bracket assembly to the seat. With this arrangement, each plate may be selectively bent about the respective fold line to vary the angle of the mounting plate portion of the plate relative to the strut to accommodate various seat installations.
2 o There is also disclosed herein a transit seat frame including left and right side rails of L configuration, a front cross rail extending between the front ends of the side rails, a top cross rail extending between top ends of the side rails, and a rear cross rail extending between intermediate portions of the side rails. The front, top and rear cross rails are identical and interchangeable. This arrangement simplifies the construction 2 5 of the seat frame by minimizing the number of parts required to construct the frame.
As also described herein, a transit seat assembly includes left and right side rails of L configuration; a front cross rail extending between and beneath the side rails proximate front ends of the side rails, a rear cross rail extending between and beneath the side rails proximate rearward portions of the side rails; a wall mount bracket of L configuration including an attachment portion adapted to be attached to a wall surface of a transit vehicle and a horizontal mounting portion positioned beneath the front and rear cross rails; and fastener means releasably interconnecting the mounting portion of the wall mount bracket and the front and rear cross rails.
This arrangement provides a simple and ei~ective means of providing support for the seat frame assembly proximate the wall of the transit vehicle.
A seat assembly described below comprises a seat frame including left and right side rails, cross rails extending between the side rails and including a front cross rail and at least one bracket upstanding from the front cross rail and defining an upper mounting portion, and a seat shell supported on the seat frame and including a forward portion supported on the bracket mounting portion. This arrangement provides a simple and effective means of supporting the seat shell on the seat frame. The bracket preferably includes an aperture and the assembly further includes a clamp plate positioned beneath the shell and having a forward portion passing through the aperature in the bracket and a rearward portion fixedly secured to the seat shell. A nut is provided on the rear portion of the clamp plate; an aperture is provided in the shell;
and the rear portion of the clamp plate is fixedly attached to the shell by a threaded 2 o fastener passing downwardly through the aperture in the shell for threaded engagement with the nut. This specific arrangement provides a simple and effective means of readily and rigidly securing the seat shell to the forward portion of the seat fi~ame.
The seat assembly and seat construction disclosed herein lends itself to a modular methodology employing a universal seat frame for use with a variety of 2 5 support hardware to allow the installation of the universal frame in a variety of positions and attitudes within the vehicle.
According to the present invention, there is provided a method of installing sets in a variety of positions and attitudes in a transit vehicle comprising:
providing a plurality of identical seat fi~ames each including at least one tubular 3 o cross member having a slot running the length of the cross member to allow A
T~ 218541b access to the hollow interior of the cross member;
providing a plurality of support brackets of varying configuration;
providing a plurality of releasable fastener assemblies each including a nut for slidable positioning in the hollow interior of the cross rail and a fastener carried by the respective support bracket and adapted to pass through the slot in the cross member for access to a respectivev nut; ana installing the frames in the transit vehicle in a variety of positions and attitudes by selective combination of the flames and support brackets and selective utilization 1 o of the fasteners and nuts to ~eleasably secure respective support brackets to respective frames at varying locations on the frames. , ;.,~; , , 218541b FIGURE 1 is a fragmentary perspective view of a public transit. vehicle interior showing various seat assemblies;
5 FIGURE 2 is a perspective exploded view of a cantilever supported seat assembly;
FIGURE 3 is a fragmentary view of the cantilever support of the seat assembly of FIGURE 2;
FIGURE 4 is a plan view of the cantilever support of the seat assembly of FIGURE 2;
FIGURE 5 is an end view of the seat assembly of FIGURE 2;
FIGURE 6 is a detail view ta)cen within the circle 6 of FIGURE 5 and showing details of a releasable fastener system;
FIGURES 7 and 8 show details of the releasable fastener system;
FIGURE 9 is an end view of a pedestal supported seat assembly;
FIGURE 10 is a front view of the seat assembly of FIGURE 9;
FIGURE 11 is a detail view showing the manner in which the shell of the seat is supported by the seat frame;
FIGURE 12 is a detail view of a clamp plate utilized to secure the shell to the seat frame;
FIGURE 13 is an end view of a further seat assembly according to the invention;
FIGURE 14 is a detail view ta)cen within the circle 14 of FIGURE 13; and --,...
FIGURE 15 is a front view of the seat assembly of FIGURE 13.
Figure 1 illustrates a mass or public transit vehicle 10 such as a bus including a floor 12, a side wall 14 defining a side window 16, and a rear wall 18 defining a rear window 20. A plurality of seat assemblies are provided in the vehicle including a transverse seat assembly A supported by a cantilever assembly 22, a further transverse seat assembly B supported by a pedestal assembly 24, and a longitudinal seat assembly C supported in overlying relation to a wheel housing 26 of the vehicle.
Assemblies A and B include a common seat frame 30 (Figure 2). Seat frame 30 includes a plurality of roll formed steel members including a right side rail 32 of tubular cross section and L configuration, a left side rail 34 of tubular cross section and L configuration, a top tubular cross rail 36, a front cross rail 38, a rear cross rail 40, and a pair of brackets 42.
Cross rails 38 and 40 are identical and are welded to the underside of the horizontal portions 32a, 34a of side rails 32, 34. Specifically, cross rail 38 is welded to the underside of rail portions 32a, 34a at the forward ends 32b, 34b of the rails and cross rail 40 is welded to the underside of rail portions 32a, 34a proximate a rearward portion 32c, 34c of the horizontal rail portions. Cross rails 38 and 40 are formed in a series of roll forming operations from steel sheet stock and each have a generally rectangular tubular configuration.
Specifically, cross rail 38 (Figures 6 and 11) includes a top wall 38a, side walls 38b, and upwardly angled doubled over lower flanges 38c defining a slot 38d therebetween providing communication with the hollow interior 38e of the cross rail. Cross rail 40 has an identical cross-sectional configuration including a top wall 40a, side walls 40b, and upwardly angled doubled over lower flanges 40c defining a slot 40d providing access to the hollow interior 40e of the cross rail.
Brackets 42 (Figures 2 and 11) have a Z shaped cross-sectional configuration and include a lower flange portion 42a welded to the forward edge of the upper wall 38a of front cross member 38, a main body upstanding portion 42b, and an upper flange portion 42c extending forwardly from the main body portion. The forward face of main body portion 42b is substantially flush with the forward face of the front side wall 38b of cross member 38.
An elongated aperture or slot 42d is provided in each bracket 42 generally proximate upper flange portion 42c.
Cantilever supported seat assembly A further includes (Figures 2, 3 and 4) a cantilever assembly 22 and a wall mount bracket 44.
Cantilever assembly 22 includes a pair of tubular strut members 46, a seat plate 48, and a wall plate 50.
Seat plate 48 defines an attachment portion 48a welded to the outboard ends 46a of the struts at spaced locations on the attachment portion and a mounting portion 48b separated from the attachment portion by a fold line 48c and extending outwardly beyond the outer strut ends 46a for use in mounting the bracket assembly to the seat frame.
218541b Wall plate 50 includes an attachment portion 50a welded to the inboard ends 46b of the struts at spaced locations on the attachment portion and a mounting portion 50b separated from attachment portion 50a by a fold line 50c and extending downwardly beyond the strut ends 46b for use in mounting the bracket assembly to wall surface 14.
Struts 46, 46 will be seen to diverge outwardly from the wall plate 50 to the seat plate 48, and seat plate 48 will accordingly be seen to have a length substantially exceeding the length of wall plate 50.
Wall mounting bracket 44 has an L configuration including a generally horizontal portion 44a of truncated pyramidal configuration and a vertical portion 44b extending upwardly from the inboard edge of portion 44a.
Mounting portion 44a will be seen (Figure 10) to extend outwardly from wall surface 14 to a location beneath the inboard ends of cross rails 38 and 40 to provide support for the inboard end of the seat frame.
Standard fasteners are utilized to secure the mounting portion 50b of wall plate 50 to wall surface 14 and to secure the mounting portion 44a of wall bracket 44 to the wall surface and fastener assemblies 52 are utilized to releasably secure attachment portion 48a of seat plate 48 to the cross rails 38 and 40 and releasably secure mounting portion 44a of wall bracket 44 to the cross rails 38,40.
Each fastener assembly 52 (Figures 6, 7, 8, 11) includes a bolt 54, a washer 56, and a nut 58.
Each bolt 54 includes a hex head portion 54a and a threaded shaft portion 54b.
Nut 58 has a T configuration in cross section (corresponding generally to the T configuration of the slot and interior of cross rails 38, 40) and a parallelogram configuration in top or plan view. Nut 58 includes a main body central portion 58a and side or wing portions 58b which are undercut at 58c to match the angle of the upper surfaces of flange portions 38c, 40c. The right angle distance between the side faces 58d of the nut is slightly less than the width of the slots 38d, 40d and the right angle distance between the ends 58e of the nut corresponds generally to the distance between the parallel surfaces 38f defining the inner surfaces of side walls 38b.
Preparatory to mounting the seat assembly A in the vehicle, fastener assemblies 52 are positioned on the opposite ends of the mounting portion 48b of the seat plate 48 and on the opposite ends of the mounting portion 44a of the wall mount bracket 44 utilizing suitable apertures in the respective members with the shanks of the bolts passing upwardly through the respective apertures and engaging a respective nut 58 with a washer 56 positioned therebetween;
wall bracket 44 is secured to wall surface 14 utilizing mounting portion 44b; wall plate 50 is secured to wall surface 14 utilizing mounting portion 50b; seat frame 30 is positioned in overlying relation to wall bracket 44 and cantilever assembly 22; nuts 58 of the fastener assemblies 52 are passed upwardly through the slots 38d,, 40d of the front and rear cross rails to position the nuts in the hollow rail interiors 38e, 40e; the bolt ends are turned to turn the nuts (utilizing conventional nylon patches) through slightly less than one quarter turn to bring the respective end edges 58e of the nuts into abutting relation with interior side wall surfaces 38f, 40f; and bolts 54 are turned in a tightening direction to bring the bolt heads up against the underface of the mounting portion 48b and the mounting portion 44a and move the upper face of mounting portion 48b and mounting portion 44a into confronting clamping relation with the lower face of the respective cross rail. Bolt assemblies 52 now releasably secure the outboard ends of cross rails 38, 40 to the mounting portion 44a of the wall bracket 44 and releasably secure outboard portions of cross rails 38 and 40 to the mounting portion 48b of the seat plate 48.
It will be seen that, by selective bending of wall plate 50 about fold line 50c and selective bending of the seat plate 48 about fold line 48c, cantilever assembly 22 may be utilized to mount a variety of seats in a variety of positions within the transit vehicle so that a single cantilever assembly 22 may be utilized to satisfy a multitude of varying installation requirements within a transit vehicle. Note that, in the final clamped configuration of each fastener assembly relative to the respective cross rail, the T cross-sectional configuration of the nut is positioned slidably within the T cross-sectional configuration defined by the cross rail with the undercut of the grooves coacting with the undercut of the 21854j6 wing portions of the nut to firmly and positively position the nut within the hollow of the cross rail.
Seat assembly B is mounted in a transverse position in the vehicle utilizing a pedestal assembly 24, a wall mount bracket 44, and fastener assemblies 52.
Pedestal assembly 24, as best seen in Figures 9 and 10, includes a foot member 60 adapted to be suitable secured to the floor 65 of the transit vehicle, a post member 62, and a top member 64 suitably welded together to form the pedestal assembly. Top member 64 has a downwardly opening U shaped cross-sectional configuration, and post 62 and foot member 60 have a tubular cross-sectional configuration. Members 60, 62, and 64 are welded together with the upperlend 62b of post 62 positioned between the side walls 64a of top member 64 and with the lower portion 62a of the post abutting against the upper wall of foot member 60.
To mount seat assembly B in the transit vehicle, wall bracket 44 is secured to wall 14; fastener assemblies 52 are positioned in apertures in the mounting portion 44a of the wall bracket and in apertures in the top wall 64a of the top piece 64 of the pedestal assembly; the nuts 58 of the fastener assemblies are passed upwardly through the slots in the cross rails 38, 40 to position the nuts within the hollows of the cross rails; the bolt heads are turned to turn the nuts via nylon patches through slightly less than one quarter turn to bring ther:~espective end edges of the nuts into abutting engagement with the inner side wall surfaces of the hollow cross rails; the pedestal assembly is moved transversely to the desired final position relative to the seat frame; the foot member of the pedestal assembly is suitably secured to the vehicle floor; and the bolts 54 are moved in a tightening direction to bring the bolt heads up against the underface of the bracket mounting portions to move the upper face of the mounting portions into confronting clamping relation with the lower face of the cross rails.
In either the cantilever seat assembly A or the pedestal seat assembly B, the seat frame 30 is trimmed out utilizing a shell 66 (Figure 11) formed of a suitable molded synthetic material. Shell 66 is supported on seat frame 30 and includes a lower front portion 66a including a generally horizontal mounting portion 66b supported on the upper faces of the flange portions 42c of brackets 42.
A clamp plate 68 (see also Figure 12) is utilized in association with each bracket 42 to clampingly secure the lower front portion 66a of the shell to the respective bracket and thereby fixedly secure the forward portion of the shell to the seat frame.
Each clamp plate 68 includes a forward finger portion 68a terminating in a lip 68b, and a rearward mounting portion 68c connected to a forward finger portion by a shoulder 68d. A flange form nut 70 is formed into mounting portion 68c with the upper face of the nut flush with the upper face of mounting portion 68c and with the main annular body of the nut fixedly secured within a down turned rim portion 68e of the mounting portion 68c.
To fixedly mount the forward portion 66a of the shell on the brackets 42, the finger portion 68a of each clamp plate is passed through the respective aperture 42d of the respective bracket 42 to position the lip 68b forwardly of the aperture whereafter a threaded fastener 72 is passed downwardly through a suitable aperture 66c in the shell overlying nut 70 to threadably engage the nut so as to, with continued turning movement of the fastener, draw the clamp plate 68 upwardly into locking clamping engagement with the upper edge 42e of the apertures 42d.
The clamp plates are configured such that the finger portion 68a of each clamp plate moves into engagement with the edge 42e before the mounting portion 68c moves into abutting engagement with the underface of the shell 66 so that further tightening movement of fastener 72 following engagement of the finger portion with the edge 42e to bring the mounting portion into abutting engagement with the shell 66 has the effect of flexing the mounting plate about the shoulder 68d and increasing the locking force exerted by the finger portion against the edge 42e and thereby increasing the clamping force. The head portions 72a of fasteners 72 are preferably sonically configured to seat within a conical recess 67a defined by a counter sink washer 67 positioned within aperture 66c.
Longitudinal seat assembly C is intended for use, for example, over wheel house 26, is generally similar to the assemblies A and B, but differs in various respects related to the mounting of the seat within the vehicle and the specific structure of the seat frame.
2185~1b Seat assembly C is formed of steel members fabricated in roll forming operations and includes a seat frame 69 formed of L shaped side rails 70 and 72, a front cross rail 74 (generally corresponding to cross rails 38 5 and 40 of seat assemblies A and B) positioned beneath the front ends 70a, 72a of the side rails in notches or cut-outs 70b, 72b in the side rails; a rear cross rail 76 identical to and interchangeable with cross rail 74 and positioned rearwardly of rail horizontal portions 70c, 72c 10 and supported rearwardly of the side rails by gussets 78 welded at their upper ends 78a to the respective side rails and welded at their lower ends 78b to the rear cross rail 76; and a top cross rail 80 positioned in cut-outs 70d, 72d at the upper ends of the side rails 70, 72 and being 15 identical to and interchangeable with cross rails 74 and 76. This construction has the advantage of minimizing the number of parts required to form the seat frame and, specifically, allows all of the cross rails 74, 76 and 80 to be identical and interchangeable. The cross rails 74 and 76 are utilized in the manner previously described with respect to assemblies A and B to mount the seat frame on suitable cantilever or pedestal supports utilizing fastener assemblies 52 and the rail 80 may be utilized employing fastener assemblies 52 to releasably and adjustably secure various accessory items to the rear top edge of the seat such, for example, as a shield to preclude occupants from throwing trash behind the seat between the seat and the wall surface 14 of the vehicle.
.-As with assemblies A and B, the front portion 66a of the shell 66 is suitably secured to the front edge of the seat frame utilizing brackets 42 and clamp plates 68 in the manner previously described. Further, clamp plates 68, as best seen in Figure 14, may also be utilized to mount the upper edge portion 66d of the shell to the rear I~op edge of the seat frame. In this arrangement, the finger portions 68a of the clamp plates are suitably welded to a top wall 80a of top cross rail 80 and the upper edge portion 66d of the shell is clamped to the mounting portion 68c of the clamp plates utilizing suitable fasteners 82 passing through apertures 66e in the shell for engagement with flange form nuts 70. The head portions 82a of the fasteners 82 are preferably conieally configured to seat within conical recesses 84a defined by counter sink washers 84 positioned within shell apertures 66e.
The invention seat assemblies will be seen to provide many important advantages. Specifically, the invention provides a cantilever assembly for use in mounting the transit seat in the vehicle which is simple and inexpensive in construction and which lends itself to a wide variety of seating installations; the invention provides an improved means of mounting the shell on the seat frame; the invention provides an improved wall mount bracket arrangement for use in association with the seat construction to simplify and improve the mounting of the seat in the vehicle; and the invention provides a seat frame in which all of the cross rails of the frame are identical so that the seat frame construction is simplified by minimizing the number of parts required to form the seat frame. Further, as with the seat assembly of parent application Serial No. 08/312,825, the invention seat construction lends itself to a modular methodology employing a universal seat frame for use with a variety of support hardware to allow the installation o.f the universal frame in a variety of positions and attitudes within the vehicle. The use of a standard universal seat frame will be understood to simplify inventory requirements for vehicle manufacturers since only a single seat frame need be kept in inventory for all normal seat installations;
essentially eliminates custom fixturing requirements of the seat manufacturer since the seat assemblies may be customized, utilizing a universal frame, simply by adjusting the vertical height of the tube of the pedestal, adjusting the angle of the top member of the pedestal, varying the hole locations in the wall mount bracket, or, in the cantilever support, varying the length of the tubes and/or the angle of the mounting plates. The modular construction also allows the seats to be totally assembled by the manufacturer or shipped in a knocked down configuration to the user where they may be bolted together by the customer. The modular construction also facilitates automation of the manufacturing techniques; provides a superior seat construction by minimizing and simplifying the welding requirements; and in general allows the construction of a superior and less expensive transit seat.
Whereas preferred embodiments of the invention have been illustrated and described in detail, it will be understood that various changes may be made in the disclosed embodiments without departing from the scope or spirit of the invention.
FIGURE 3 is a fragmentary view of the cantilever support of the seat assembly of FIGURE 2;
FIGURE 4 is a plan view of the cantilever support of the seat assembly of FIGURE 2;
FIGURE 5 is an end view of the seat assembly of FIGURE 2;
FIGURE 6 is a detail view ta)cen within the circle 6 of FIGURE 5 and showing details of a releasable fastener system;
FIGURES 7 and 8 show details of the releasable fastener system;
FIGURE 9 is an end view of a pedestal supported seat assembly;
FIGURE 10 is a front view of the seat assembly of FIGURE 9;
FIGURE 11 is a detail view showing the manner in which the shell of the seat is supported by the seat frame;
FIGURE 12 is a detail view of a clamp plate utilized to secure the shell to the seat frame;
FIGURE 13 is an end view of a further seat assembly according to the invention;
FIGURE 14 is a detail view ta)cen within the circle 14 of FIGURE 13; and --,...
FIGURE 15 is a front view of the seat assembly of FIGURE 13.
Figure 1 illustrates a mass or public transit vehicle 10 such as a bus including a floor 12, a side wall 14 defining a side window 16, and a rear wall 18 defining a rear window 20. A plurality of seat assemblies are provided in the vehicle including a transverse seat assembly A supported by a cantilever assembly 22, a further transverse seat assembly B supported by a pedestal assembly 24, and a longitudinal seat assembly C supported in overlying relation to a wheel housing 26 of the vehicle.
Assemblies A and B include a common seat frame 30 (Figure 2). Seat frame 30 includes a plurality of roll formed steel members including a right side rail 32 of tubular cross section and L configuration, a left side rail 34 of tubular cross section and L configuration, a top tubular cross rail 36, a front cross rail 38, a rear cross rail 40, and a pair of brackets 42.
Cross rails 38 and 40 are identical and are welded to the underside of the horizontal portions 32a, 34a of side rails 32, 34. Specifically, cross rail 38 is welded to the underside of rail portions 32a, 34a at the forward ends 32b, 34b of the rails and cross rail 40 is welded to the underside of rail portions 32a, 34a proximate a rearward portion 32c, 34c of the horizontal rail portions. Cross rails 38 and 40 are formed in a series of roll forming operations from steel sheet stock and each have a generally rectangular tubular configuration.
Specifically, cross rail 38 (Figures 6 and 11) includes a top wall 38a, side walls 38b, and upwardly angled doubled over lower flanges 38c defining a slot 38d therebetween providing communication with the hollow interior 38e of the cross rail. Cross rail 40 has an identical cross-sectional configuration including a top wall 40a, side walls 40b, and upwardly angled doubled over lower flanges 40c defining a slot 40d providing access to the hollow interior 40e of the cross rail.
Brackets 42 (Figures 2 and 11) have a Z shaped cross-sectional configuration and include a lower flange portion 42a welded to the forward edge of the upper wall 38a of front cross member 38, a main body upstanding portion 42b, and an upper flange portion 42c extending forwardly from the main body portion. The forward face of main body portion 42b is substantially flush with the forward face of the front side wall 38b of cross member 38.
An elongated aperture or slot 42d is provided in each bracket 42 generally proximate upper flange portion 42c.
Cantilever supported seat assembly A further includes (Figures 2, 3 and 4) a cantilever assembly 22 and a wall mount bracket 44.
Cantilever assembly 22 includes a pair of tubular strut members 46, a seat plate 48, and a wall plate 50.
Seat plate 48 defines an attachment portion 48a welded to the outboard ends 46a of the struts at spaced locations on the attachment portion and a mounting portion 48b separated from the attachment portion by a fold line 48c and extending outwardly beyond the outer strut ends 46a for use in mounting the bracket assembly to the seat frame.
218541b Wall plate 50 includes an attachment portion 50a welded to the inboard ends 46b of the struts at spaced locations on the attachment portion and a mounting portion 50b separated from attachment portion 50a by a fold line 50c and extending downwardly beyond the strut ends 46b for use in mounting the bracket assembly to wall surface 14.
Struts 46, 46 will be seen to diverge outwardly from the wall plate 50 to the seat plate 48, and seat plate 48 will accordingly be seen to have a length substantially exceeding the length of wall plate 50.
Wall mounting bracket 44 has an L configuration including a generally horizontal portion 44a of truncated pyramidal configuration and a vertical portion 44b extending upwardly from the inboard edge of portion 44a.
Mounting portion 44a will be seen (Figure 10) to extend outwardly from wall surface 14 to a location beneath the inboard ends of cross rails 38 and 40 to provide support for the inboard end of the seat frame.
Standard fasteners are utilized to secure the mounting portion 50b of wall plate 50 to wall surface 14 and to secure the mounting portion 44a of wall bracket 44 to the wall surface and fastener assemblies 52 are utilized to releasably secure attachment portion 48a of seat plate 48 to the cross rails 38 and 40 and releasably secure mounting portion 44a of wall bracket 44 to the cross rails 38,40.
Each fastener assembly 52 (Figures 6, 7, 8, 11) includes a bolt 54, a washer 56, and a nut 58.
Each bolt 54 includes a hex head portion 54a and a threaded shaft portion 54b.
Nut 58 has a T configuration in cross section (corresponding generally to the T configuration of the slot and interior of cross rails 38, 40) and a parallelogram configuration in top or plan view. Nut 58 includes a main body central portion 58a and side or wing portions 58b which are undercut at 58c to match the angle of the upper surfaces of flange portions 38c, 40c. The right angle distance between the side faces 58d of the nut is slightly less than the width of the slots 38d, 40d and the right angle distance between the ends 58e of the nut corresponds generally to the distance between the parallel surfaces 38f defining the inner surfaces of side walls 38b.
Preparatory to mounting the seat assembly A in the vehicle, fastener assemblies 52 are positioned on the opposite ends of the mounting portion 48b of the seat plate 48 and on the opposite ends of the mounting portion 44a of the wall mount bracket 44 utilizing suitable apertures in the respective members with the shanks of the bolts passing upwardly through the respective apertures and engaging a respective nut 58 with a washer 56 positioned therebetween;
wall bracket 44 is secured to wall surface 14 utilizing mounting portion 44b; wall plate 50 is secured to wall surface 14 utilizing mounting portion 50b; seat frame 30 is positioned in overlying relation to wall bracket 44 and cantilever assembly 22; nuts 58 of the fastener assemblies 52 are passed upwardly through the slots 38d,, 40d of the front and rear cross rails to position the nuts in the hollow rail interiors 38e, 40e; the bolt ends are turned to turn the nuts (utilizing conventional nylon patches) through slightly less than one quarter turn to bring the respective end edges 58e of the nuts into abutting relation with interior side wall surfaces 38f, 40f; and bolts 54 are turned in a tightening direction to bring the bolt heads up against the underface of the mounting portion 48b and the mounting portion 44a and move the upper face of mounting portion 48b and mounting portion 44a into confronting clamping relation with the lower face of the respective cross rail. Bolt assemblies 52 now releasably secure the outboard ends of cross rails 38, 40 to the mounting portion 44a of the wall bracket 44 and releasably secure outboard portions of cross rails 38 and 40 to the mounting portion 48b of the seat plate 48.
It will be seen that, by selective bending of wall plate 50 about fold line 50c and selective bending of the seat plate 48 about fold line 48c, cantilever assembly 22 may be utilized to mount a variety of seats in a variety of positions within the transit vehicle so that a single cantilever assembly 22 may be utilized to satisfy a multitude of varying installation requirements within a transit vehicle. Note that, in the final clamped configuration of each fastener assembly relative to the respective cross rail, the T cross-sectional configuration of the nut is positioned slidably within the T cross-sectional configuration defined by the cross rail with the undercut of the grooves coacting with the undercut of the 21854j6 wing portions of the nut to firmly and positively position the nut within the hollow of the cross rail.
Seat assembly B is mounted in a transverse position in the vehicle utilizing a pedestal assembly 24, a wall mount bracket 44, and fastener assemblies 52.
Pedestal assembly 24, as best seen in Figures 9 and 10, includes a foot member 60 adapted to be suitable secured to the floor 65 of the transit vehicle, a post member 62, and a top member 64 suitably welded together to form the pedestal assembly. Top member 64 has a downwardly opening U shaped cross-sectional configuration, and post 62 and foot member 60 have a tubular cross-sectional configuration. Members 60, 62, and 64 are welded together with the upperlend 62b of post 62 positioned between the side walls 64a of top member 64 and with the lower portion 62a of the post abutting against the upper wall of foot member 60.
To mount seat assembly B in the transit vehicle, wall bracket 44 is secured to wall 14; fastener assemblies 52 are positioned in apertures in the mounting portion 44a of the wall bracket and in apertures in the top wall 64a of the top piece 64 of the pedestal assembly; the nuts 58 of the fastener assemblies are passed upwardly through the slots in the cross rails 38, 40 to position the nuts within the hollows of the cross rails; the bolt heads are turned to turn the nuts via nylon patches through slightly less than one quarter turn to bring ther:~espective end edges of the nuts into abutting engagement with the inner side wall surfaces of the hollow cross rails; the pedestal assembly is moved transversely to the desired final position relative to the seat frame; the foot member of the pedestal assembly is suitably secured to the vehicle floor; and the bolts 54 are moved in a tightening direction to bring the bolt heads up against the underface of the bracket mounting portions to move the upper face of the mounting portions into confronting clamping relation with the lower face of the cross rails.
In either the cantilever seat assembly A or the pedestal seat assembly B, the seat frame 30 is trimmed out utilizing a shell 66 (Figure 11) formed of a suitable molded synthetic material. Shell 66 is supported on seat frame 30 and includes a lower front portion 66a including a generally horizontal mounting portion 66b supported on the upper faces of the flange portions 42c of brackets 42.
A clamp plate 68 (see also Figure 12) is utilized in association with each bracket 42 to clampingly secure the lower front portion 66a of the shell to the respective bracket and thereby fixedly secure the forward portion of the shell to the seat frame.
Each clamp plate 68 includes a forward finger portion 68a terminating in a lip 68b, and a rearward mounting portion 68c connected to a forward finger portion by a shoulder 68d. A flange form nut 70 is formed into mounting portion 68c with the upper face of the nut flush with the upper face of mounting portion 68c and with the main annular body of the nut fixedly secured within a down turned rim portion 68e of the mounting portion 68c.
To fixedly mount the forward portion 66a of the shell on the brackets 42, the finger portion 68a of each clamp plate is passed through the respective aperture 42d of the respective bracket 42 to position the lip 68b forwardly of the aperture whereafter a threaded fastener 72 is passed downwardly through a suitable aperture 66c in the shell overlying nut 70 to threadably engage the nut so as to, with continued turning movement of the fastener, draw the clamp plate 68 upwardly into locking clamping engagement with the upper edge 42e of the apertures 42d.
The clamp plates are configured such that the finger portion 68a of each clamp plate moves into engagement with the edge 42e before the mounting portion 68c moves into abutting engagement with the underface of the shell 66 so that further tightening movement of fastener 72 following engagement of the finger portion with the edge 42e to bring the mounting portion into abutting engagement with the shell 66 has the effect of flexing the mounting plate about the shoulder 68d and increasing the locking force exerted by the finger portion against the edge 42e and thereby increasing the clamping force. The head portions 72a of fasteners 72 are preferably sonically configured to seat within a conical recess 67a defined by a counter sink washer 67 positioned within aperture 66c.
Longitudinal seat assembly C is intended for use, for example, over wheel house 26, is generally similar to the assemblies A and B, but differs in various respects related to the mounting of the seat within the vehicle and the specific structure of the seat frame.
2185~1b Seat assembly C is formed of steel members fabricated in roll forming operations and includes a seat frame 69 formed of L shaped side rails 70 and 72, a front cross rail 74 (generally corresponding to cross rails 38 5 and 40 of seat assemblies A and B) positioned beneath the front ends 70a, 72a of the side rails in notches or cut-outs 70b, 72b in the side rails; a rear cross rail 76 identical to and interchangeable with cross rail 74 and positioned rearwardly of rail horizontal portions 70c, 72c 10 and supported rearwardly of the side rails by gussets 78 welded at their upper ends 78a to the respective side rails and welded at their lower ends 78b to the rear cross rail 76; and a top cross rail 80 positioned in cut-outs 70d, 72d at the upper ends of the side rails 70, 72 and being 15 identical to and interchangeable with cross rails 74 and 76. This construction has the advantage of minimizing the number of parts required to form the seat frame and, specifically, allows all of the cross rails 74, 76 and 80 to be identical and interchangeable. The cross rails 74 and 76 are utilized in the manner previously described with respect to assemblies A and B to mount the seat frame on suitable cantilever or pedestal supports utilizing fastener assemblies 52 and the rail 80 may be utilized employing fastener assemblies 52 to releasably and adjustably secure various accessory items to the rear top edge of the seat such, for example, as a shield to preclude occupants from throwing trash behind the seat between the seat and the wall surface 14 of the vehicle.
.-As with assemblies A and B, the front portion 66a of the shell 66 is suitably secured to the front edge of the seat frame utilizing brackets 42 and clamp plates 68 in the manner previously described. Further, clamp plates 68, as best seen in Figure 14, may also be utilized to mount the upper edge portion 66d of the shell to the rear I~op edge of the seat frame. In this arrangement, the finger portions 68a of the clamp plates are suitably welded to a top wall 80a of top cross rail 80 and the upper edge portion 66d of the shell is clamped to the mounting portion 68c of the clamp plates utilizing suitable fasteners 82 passing through apertures 66e in the shell for engagement with flange form nuts 70. The head portions 82a of the fasteners 82 are preferably conieally configured to seat within conical recesses 84a defined by counter sink washers 84 positioned within shell apertures 66e.
The invention seat assemblies will be seen to provide many important advantages. Specifically, the invention provides a cantilever assembly for use in mounting the transit seat in the vehicle which is simple and inexpensive in construction and which lends itself to a wide variety of seating installations; the invention provides an improved means of mounting the shell on the seat frame; the invention provides an improved wall mount bracket arrangement for use in association with the seat construction to simplify and improve the mounting of the seat in the vehicle; and the invention provides a seat frame in which all of the cross rails of the frame are identical so that the seat frame construction is simplified by minimizing the number of parts required to form the seat frame. Further, as with the seat assembly of parent application Serial No. 08/312,825, the invention seat construction lends itself to a modular methodology employing a universal seat frame for use with a variety of support hardware to allow the installation o.f the universal frame in a variety of positions and attitudes within the vehicle. The use of a standard universal seat frame will be understood to simplify inventory requirements for vehicle manufacturers since only a single seat frame need be kept in inventory for all normal seat installations;
essentially eliminates custom fixturing requirements of the seat manufacturer since the seat assemblies may be customized, utilizing a universal frame, simply by adjusting the vertical height of the tube of the pedestal, adjusting the angle of the top member of the pedestal, varying the hole locations in the wall mount bracket, or, in the cantilever support, varying the length of the tubes and/or the angle of the mounting plates. The modular construction also allows the seats to be totally assembled by the manufacturer or shipped in a knocked down configuration to the user where they may be bolted together by the customer. The modular construction also facilitates automation of the manufacturing techniques; provides a superior seat construction by minimizing and simplifying the welding requirements; and in general allows the construction of a superior and less expensive transit seat.
Whereas preferred embodiments of the invention have been illustrated and described in detail, it will be understood that various changes may be made in the disclosed embodiments without departing from the scope or spirit of the invention.
Claims (5)
1. A method of installing a transit seat assembly in a transit vehicle, the seat assembly including a frame having one side adapted to be secured to a seat shall and having side rails and transverse rails connected to and extending between the side rails, at least one of said transverse rails having a channel structure defining a transversely extending groove and a transversely extending slot in a wall of the channel structure having a width less than the width of the groove and providing access to the groove, the method comprising:
positioning on a side of said frame opposite said one side a support bracket structure with at least one aperture therein proximate the slot in the transverse rail;
providing an oblong nut having a major dimension, defined between end edges of the nut, greater than the width of the slot and greater than the width of the groove and a minor dimension less than the width of the slot so as to enable the nut to pass in a direction generally normal to the lengthwise axis of the transverse rail through the slot and into the groove;
providing a bolt having a head and a threaded shaft;
passing the threaded shaft of the bolt through the aperture in the support bracket structure;
thereafter, with the nut positioned exteriorly of the transverse rail, positioning the nut threadably on the threaded bolt shaft;
thereafter, with the nut positioned threadably on the bolt shaft, moving the nut to an angular orientation in which the major dimension of the nut parallels the slot and thereafter moving the bolt relative to the transverse rail in a direction generally normal to the lengthwise axis of the transverse rail to pass the nut through the slot and position the nut in the groove;
rotating the bolt through a partial turn to rotate the nut within the groove and bring the end edges of the nut into engagement with respective side walls of the groove; and further rotating the bolt to threadably advance the bolt relative to the nut and tighten the support bracket structure against the wall of the channel structure.
positioning on a side of said frame opposite said one side a support bracket structure with at least one aperture therein proximate the slot in the transverse rail;
providing an oblong nut having a major dimension, defined between end edges of the nut, greater than the width of the slot and greater than the width of the groove and a minor dimension less than the width of the slot so as to enable the nut to pass in a direction generally normal to the lengthwise axis of the transverse rail through the slot and into the groove;
providing a bolt having a head and a threaded shaft;
passing the threaded shaft of the bolt through the aperture in the support bracket structure;
thereafter, with the nut positioned exteriorly of the transverse rail, positioning the nut threadably on the threaded bolt shaft;
thereafter, with the nut positioned threadably on the bolt shaft, moving the nut to an angular orientation in which the major dimension of the nut parallels the slot and thereafter moving the bolt relative to the transverse rail in a direction generally normal to the lengthwise axis of the transverse rail to pass the nut through the slot and position the nut in the groove;
rotating the bolt through a partial turn to rotate the nut within the groove and bring the end edges of the nut into engagement with respective side walls of the groove; and further rotating the bolt to threadably advance the bolt relative to the nut and tighten the support bracket structure against the wall of the channel structure.
2. A method according to claim 1 wherein the method includes the further step of providing friction means interposed between the nut and the threaded shaft of the bolt operative to cause the nut to turn with the bolt in the absence of resistance to nut rotation, whereby, following passage of the nut through the slot, the bolt may be rotated to bring the end edges of the nut into engagement with respective side walls of the groove and thereafter further rotated to tighten the support bracket structure against the wall of the channel structure.
3. A method according to claim 2 wherein the step of providing friction means interposed between the nut and the threaded shaft of the bolt comprises providing a nylon patch on the threaded shaft of the bolt engaging the threads of the nut.
4. A method of installing a transit seat assembly in a transit vehicle, the seat including a frame having one side adapted to be secured to a seat shell and having side rails and transverse rails connected to and extending between the side rails, at least one of said transverse rails having a channel structure defining a transversely extending groove and a transversely extending slot in a bottom wall of the channel structure having a width less than the width of the groove and providing access to the groove, the method comprising:
positioning on a side of said frame opposite said one side a support bracket structure having a hole therein proximate the slot in the transverse rail;
providing an oblong nut having a major dimension defined between end edges of the nut greater than the width of the slot and greater than the width of the groove and a minor dimension less than the width of the slot so as to enable the nut to pass upwardly through the slot and into the groove;
providing a bolt having a head and a threaded shaft;
passing the threaded shaft of the bolt through the aperture in the support bracket structure;
thereafter, with the nut located exteriorly of the transverse rail, positioning the nut threadably on the threaded bolt shaft;
thereafter, with the nut positioned threadably on the bolt shaft, moving the nut to an angular orientation in which the major dimension of the nut parallels the slot and moving the bolt upwardly relative to the transverse rail to pass the nut upwardly through the slot and position the nut slidably in the groove;
rotating the bolt through a partial turn to rotate the nut within the groove and bring the end edges of the nut into engagement with respective sidewalls of the groove, and further rotating the bolt to threadably advance the bolt relative to the nut and tighten the support bracket structure against the wall of the channel structure.
positioning on a side of said frame opposite said one side a support bracket structure having a hole therein proximate the slot in the transverse rail;
providing an oblong nut having a major dimension defined between end edges of the nut greater than the width of the slot and greater than the width of the groove and a minor dimension less than the width of the slot so as to enable the nut to pass upwardly through the slot and into the groove;
providing a bolt having a head and a threaded shaft;
passing the threaded shaft of the bolt through the aperture in the support bracket structure;
thereafter, with the nut located exteriorly of the transverse rail, positioning the nut threadably on the threaded bolt shaft;
thereafter, with the nut positioned threadably on the bolt shaft, moving the nut to an angular orientation in which the major dimension of the nut parallels the slot and moving the bolt upwardly relative to the transverse rail to pass the nut upwardly through the slot and position the nut slidably in the groove;
rotating the bolt through a partial turn to rotate the nut within the groove and bring the end edges of the nut into engagement with respective sidewalls of the groove, and further rotating the bolt to threadably advance the bolt relative to the nut and tighten the support bracket structure against the wall of the channel structure.
5. A method according to claim 4 wherein the step of rotating the bolt through a partial turn to rotate the nut within the groove includes providing friction means interposed between the nut and the threaded bolt shaft operative to cause the nut to turn with the bolt in the absence of resistance to nut rotation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56107095A | 1995-11-20 | 1995-11-20 | |
| US08/561,070 | 1995-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2185416A1 CA2185416A1 (en) | 1997-05-21 |
| CA2185416C true CA2185416C (en) | 2001-04-10 |
Family
ID=24240509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2185416 Expired - Fee Related CA2185416C (en) | 1995-11-20 | 1996-09-12 | Seat assembly for mass transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2185416C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009937A (en) * | 2015-11-20 | 2017-08-04 | 丰田纺织株式会社 | Vehicle seat frame |
-
1996
- 1996-09-12 CA CA 2185416 patent/CA2185416C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009937A (en) * | 2015-11-20 | 2017-08-04 | 丰田纺织株式会社 | Vehicle seat frame |
| CN107009937B (en) * | 2015-11-20 | 2019-05-03 | 丰田纺织株式会社 | Vehicle seat frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2185416A1 (en) | 1997-05-21 |
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| Date | Code | Title | Description |
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| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20160912 |