JPS6274309A - Automatic seat apparatus for telescopic type seat row apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a telescoping seating system, and more particularly, extends the rows of seats in a tiered relationship relative to each other so that the seats are self-elevated into a position of use; and when the rows are retracted or nested, they are automatically lowered for storage.
This invention relates to an improvement in a telescoping seating system in which each lower cloth warp 11 is received within the next upper seat row so that all of the seat rows are generally longitudinally aligned with a seating capacity of 1 μm.

BACKGROUND OF THE INVENTION Telescoping seating systems are well known in the industry, and these systems typically have a number of rows of seats, each row comprising a trolley for moving across the floor of a gymnasium or auditorium, and It has a frame or base structure having columns or posts extending upwardly from the script to the height of a predetermined row of seats, and an upright beam mounted horizontally at the top of the column.

From the rising beam and the column, a deck with legs t3: a platform and a seat is supported in a cantilevered manner by an arm marked F on the rising beam.

Seven of the main issues facing engineers designing telescoping seating systems include: ensuring that the seat rows are comfortable and secure in the use position, yet can be advantageously folded and ViQ-adjacent in the stowed position; The purpose of the present invention is to provide a seat that can be stored in the space between the seats. If the seats are simply leg pliers, the height of the pliers can be less than or equal to the vertical space between decks when adjacent rows of seats are nested together for storage, eliminating the problem. . However, in outdoor seating, the individual chairs generally do not feel like separate seats for users. However, since individual chairs have seat and backrests as well as armrests, they obviously cannot fit into the space between adjacent decks for storage. This is because the sky m1 is 70-7
This is because the range is 2 inches.

Thus, individual chair-type seats are preferable to open-air seats in terms of comfort and seating feel. however,
The seat is extremely inconvenient if this requires manual effort to raise or lower the chair, because
This is because, depending on the size of the playing field, this seating may require a significant number of workers, who are not normally employed intermittently, but may be required solely for this task. .

Accordingly, attempts have been made to provide individual chair-type seats that are automatically raised and lowered as the row of seats expands and contracts. Seven such devices are disclosed in Miku 1% License No. 110 Otsu 3392 (Panlin).

In this device, the seat of the chair is permanently attached to the bottom of the deck, and only the back of the individual chair can be raised or lowered. The backrest is locked in the raised position and is raised in response to the actuation of a hinge provided below the deck and extending along the width of the deck beneath the seat. A separate latch mechanism is provided for each chair backrest,
All latches are released in unison by the actuator tube.

The backrest is raised into the working position by means of a spring.

Sen's automatic chair platform device was approved by U.S. Patent No. 11/R No. 5202 (
Hartman). This device has the advantage of an individual upholstery seat where the stiffness of the seat is independent of the lift of the device piece and the swampy/cold feel. A number of chairs are arranged in a row, and each f-th chair is latched in place by at least λ latching members, these latching elements having a function for unlatching the seat. The nose portion of the next upper row of seats engages. This negative percentage has the disadvantage that it is susceptible to problems when the rows of seats are no longer parallel.

In other words, while the seat row is being retracted, if the first row of carriages in the seat row (11th row) gets involved in an obstacle, the retracted 1F6 row will become slightly unparallel, causing a part of the seats to be moved to the next row. This creates uncertainty as to whether both latches will be engaged before engaging the nose of the upper row. To raise the seat, a torsion rod is connected between the seat and the deck that provides a counterbalancing force on the seat when it is lowered.To raise the seat, a member is bolted to the upper row of seats and is attached to the next lower row. When engaging a seat in the row and extending the lower row, the hinge member engages the seat and assists the torsion spring in raising the seat.

Another automatic seat reading (commercially available) is US Patent No. 1lI5! It is disclosed in No. r9. This device has a driving rod that locks and unlocks individual chairs, but due to manufacturing tolerances in this type of construction, the drive rod locks any seven chairs in a row. This locks them in place, prevents them from latching adjacent chairs, and causes some of the chairs to move slightly, creating a loose, but not dangerous, feel for the user. Furthermore, when it is desired to provide an armrest on a chair, the length of the armrest is limited by the available storage capacity. This is because the armrest is fixed to the frame of the chair.

SUMMARY OF THE DISCLOSURE According to the present invention, each individual chair is provided with a seat, a backrest and armrests, and side supports supporting them. Adjacent chairs are mounted on a single stanchion.

Each column has a forward frame and an aft frame, each frame being pivotally mounted to a bracket attached to the rear of the tread of the row of seats. The frame side of the strut is preferably provided in the form of a U-shaped or C-shaped channel member with open portions of the channel in opposed facing relationship.

A fill spring is connected in tension between the strut frame members and is housed within a channel shape of the frame members to bias the struts to a raised position so that the seats are automatically raised when the row of seats is extended.

By using two frame members and mounting their bases (ζ) sufficiently far apart, the
No. 73520.2 and No. 9 of the above-mentioned seat system disclosed in No. 73520.2 and TL No. This provides sufficient coil spring tension to exert the force.

Each strut is latched to the raised position by a self-clamping latching mechanism that compensates for the tolerances of the strut assemblies and latches the strut assembly in the raised position 161. Like lid? The latches for all rows of seats in a fixed row are independently spring actuated.

The frame members of each strut work together to not only increase the tension on the springs as they rotate the strut into the stowed position and generate additional force to raise the seat, but the strut also The armrest, which acts as a four-bar linkage and is pivotally connected to the frame member, rotates into alignment with the column for storage.

In summary, the improvements of the present invention make the automatic seating structure more easily compatible with the actual manufacturing implementation of telescoping seating systems and maintain the advantages of automatic seating, but this structure does not require sophisticated adjustment in the art. Accommodate tolerances that can be obtained in high production volumes without mechanisms.

Other features and advantages of the invention are shown in the drawings (in the various figures,
(Like reference numbers indicate like parts) as will become apparent to those skilled in the art upon reading the following detailed description of the preferred embodiments.

DETAILED DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS As used herein, "left" and "right J" refer to the left and right sides of the seating arrangement i, respectively, from the perspective of a person standing in front of and facing it. Referring to FIG. 1, three separate row sections of the telescoping seating system are shown from the right, designated 10.11.12, respectively. When the device is extended to the position of use, these (M) rows are in a tiered relationship.

The seats in row 12 are plumbed for use. On the other hand, when the device is retracted for storage, the seats are
As shown in the figure, it is positioned in the vertical space between the seating rows. In the stowed position, the rows are nested within each other, so that the deck can accommodate rows 11 and 12.
As can be seen by comparing the numbers, they generally match in the vertical direction.

Each row of seats has a frame or base structure having a trolley and vertical posts that support the deck and its associated seats. However, since the base structure does not form 17 part of the invention, it is not shown in detail. US Patent No.≠014/Otsu 5! Is there a certain thing that is preferable for R (Paris)? -16 disaster structure is shown. As used herein, a row J has a movable base structure, a deck portion cantilevered from the base structure, and seats associated with that particular deck.

As previously mentioned, each deck has upright beams (seven shown at 18) for seats 111 connected between the tops of the columns or posts for that row. This rising beam forms part of the deck (generally designated 14), and the lower part of the standing-F rebeam extends into a channel (as seen at 16 for row 1z) towards the end of deck 14. It is configured to continuously receive and support the rear edge of the footrest 17. The front part of the platform 17 is similarly received in the clear channel of the nose beam 18, below the nose beam 18.
As can be seen, after the seat is unlatched, a curved pan 20 is formed for pushing the seat into a lowered or stowed position.

Additionally, each row of seats has a plurality of individual chairs (seven generally designated 22). Each M+ has a backrest 23 and a seat (
(generally indicated at 24) and... pairs of armrests (seven indicated at 25 for chair 22). These chairs are supported on each side by strut assemblies generally indicated at 28. / of support assemblies may provide support for λ adjacent chairs.

Any suitable structure for adding the seat back and seat to the support assembly may be used and does not form part of this invention. In the case of 1, it is best to connect a cross beam, which generally has a rectangular cross section and is shown hypothetically by 2g, between the adjacent support beams, and instead of using the conventional seat bin. -2/ Backrest support assembly 80 is attached to beam 29 by bracket 31. The hinge assembly 80 is attached when the chair is raised, with the section 24 in the three-fold folded position (shown with the deck 120 seat part) and lowered into the use position between the stations. It may be of a type known in the industry.

In addition, the hinge assembly allows the seat to be raised to a position generally perpendicular to the backrest 28 at once to allow the user to stand or to walk in the aisle. It can be stored so that you can see about the columns.

Turning now to the strut assembly 28, it includes a forward frame member 83 and an aft frame member 34, which preferably have a U frame member as seen in FIG.
The channel is in the form of an open channel having a C-shaped cross-section and is piped in facing or opposing relationship such that the openings of the channels face each other. In this way, the frame members 33.34 work together to achieve the first +;
: Forms a hau nong for the coil spring 85 shown by the dotted line at I. Spring 35 is connected in tension between frame members 88,34. The curvature of the back of the rear frame member 84 reduces friction with the bumper 20 of the next higher row of seats when the seat is lowered.

Referring to FIGS. 1 and 3, the front frame member 3
3 is pivotally attached to a mounting bracket 86 by a pin 37. As best seen in FIGS. 2 and 3, the mounting bracket 86 is attached to the base 1 by means of gel 89.
It has a substrate 88 fixed to 7. The bracket 36 also includes a pair of upright spaced apart side plates 40.4.
1, these opening plates are welded to the base plate 88 and are spaced apart to receive and rotate frame members 83, 34. The bracket 36 also has a vertical mounting plate 42, best seen in FIG. .

As best seen in FIGS. 1 and 3, the side plates 40 of the bracket 86 have their lower portions extending rearwardly into the space formed by the rear rising beam 13 to form extensions 46, 47, respectively. There is. An actuator rod 50 is rotatably supported on the extensions 46, 47 about a horizontal axis. This rod 50 preferably extends the entire width outside the seat. Attached to each end of rod 50 is an actuator arm 52 . A row 258 is provided at the bottom of the arm 52, and this roller engages with the rear surface of the rising beam 13 of the next row of lower seats.

The actuator arm 520 on the outboard side 12 is in the activated or unlocked position (shown in dotted line at 58A in FIG. 1). When viewed from the right 111'+, the actuator arm 52 aligns the next lower seat row with its actuator arm.
When retracted or nested under the associated outboard, the ribs are rotated counterclockwise from the position seen for outboard 12 in FIG. to release the seat associated with outside seat 11.

A collar 51 is attached to the actuator arm 50 and is fixed adjacent to the bracket 86.
A forwardly extending tag in the form of a flat metal piece 52 is welded to. The purpose of tab 5z is to release the strut with which this tag is associated, as explained below.

As can be seen in FIG. 3, the pin 87 that pivotally connects the front frame member 33 to the bracket 86 is supported by the side plate 4041 and is retained by retaining washers. The rear frame member 32 is similarly pivoted to the bracket 36 by means of pins 53 carried in the side plates 40.41.

The armrest 25 is pivotally connected to the front frame member 38 at 54 and to the rear frame member 84 at 55 as seen in FIG. Thus, the front frame member 33, the rear frame member 34, the pivot/meg joint 37.
The attachment between 58 forms a four-part linkage (which in the illustrated embodiment B is actually a parallelogram) with part of the bracket 36 and part of the armrest 25 of the pivot connection 54, 551!1. The square of this four-part linkage moves the armrest 25 from the generally horizontal use position found for the outboard seat 12, where it is almost perpendicular to the column assembly, to the direction of extension of the column assembly, although the armrest is still generally horizontal. The goal is to rotate it up to the 5th-largest size, which can be seen on the black black 1110.

Referring to FIGS. 2 and 3, a latch member or tongue 56 in the form of a flat is welded to a collar 57, which is supported by a pin. supported and bottle 51
It is retained by a retaining clip similar to the method used to attach the 3.87. An extension parr 59 (see outboard 10 in FIG. 1) is welded into and extends beneath the rear frame member.

In the raised position, the front and rear frame members 88.34
The oncoming shudder g[! engages to limit clockwise rotation of the strut assembly as seen in FIG. 7 for seat J1112. When the strut assembly is raised to the use position, the spring 62
Slot of II board 40.41 (outside seat 12 in Fig. 1)
The cross pin 6B extending through the slot 64 in the Ill plate 41 is raised to raise the tongue 56 of the latch member to the locking position ifj (see FIG. 2). The upper end of the spring 62 is secured to a clamp 66 which is supported by the +1llll plate 40 as best seen in Figure 1. It will be seen that when a person occupies one of the chairs, any movement of the seat toward the rear will cause the four-way length 59 to rotate further clockwise, causing the spring 62 to tighten the action of the latch member 56. This self-tightening action is independent of all other chairs in the row and is desirable because it provides stability and stability to the seat.

This is referred to as the self-tightening feature of the latch and is considered a significant improvement over the prior art.

The previously mentioned unlocking actuator or flat portion 52
is positioned on the right side of bin 63 (the attachment extends completely past the bracket). Thus, when the next top row is retracted, the actuator arm 52, like the rod 50, is rotated counterclockwise υ, causing the flat or tab 52 to move against the action of the spring 62 against the cross bin 6.
Press 3. This will release the shiratsuchi. This is because the bottle 63 is welded to the bottom of the tongue 56.

Upon unlatching the strut assembly as described above, the seat moves into the stowage position 14 seen for row 10 by the pan base 20 of the nose beam of the next upper row as shown in the process for row 11 in FIG. Become repressible. The curved portion of the pumper 20 cooperates with the curved rear surface of the rear frame member 34 (see FIG. 3) to reduce the N angle and facilitate folding of the chair into the storage position. When extended for use, the coil spring 35 exerts a restoring force because its ends are attached to the upper part of the front frame member 33 at 68 and to the lower part of the lower frame member 34 at 69. The chairs are then raised to the raised position seen for seats 111z. Thus, all of the strut assemblies for a given row of seats are rotated with a common 7-piece collar, i.e., rod 50, to the cross bin. 6B is unlatched by the tlt7-me 52. However, each individual strut assembly is latched by an independent spring-actuated mechanism, i.e., the action of spring 6z causes the collar 5 to
Tang 56 independently attached to bin 58 by 7
to rise. Thus, each latching assembly is self-tightening under the action of a spring and is itself subject to the particular tolerances of its struts. Actuating the actuator arms 52 at either end of the seat row to push the seats into the stowed position prior to full retraction of the next upper row will unlock all struts.

Additionally, the front and rear frame members 88.84 of the column cooperate to accommodate the spring 85, and the four-part linkage mechanism described above eliminates the need for assistance to the trunk when mechanically raising the seat to the stowed position. It will be seen that it is possible to obtain sufficient tension in the spring 35 to remove it. Still further, it is considered a good idea for spring 85 to have its 41+ line straight throughout all use and storage positions.

The deflection maintains the spring in the linear portion of its bias characteristic and eliminates any tendency to bend.

The blanket/mounting assembly is preferably hidden from view by a plastic canopy or enclosure 71, shown at two points in FIG. The enclosure has a suitable opening to accommodate movement of the strut assembly between two positions, and its lower edge is fastened to the upward flanges 8 of the plate 69 by screws at the left end of the sheet. There is. As shown in FIG. 1, the rod 50 is received in the space formed by the rear rising beam 18, so by attaching the cover plate 72 to the rear of the vertical upper flange 44 of the rising beam 13 ( (See) Can be completely hidden from view. In this way, mounting is improved in that the bracket 36 and all latching/unlatching mechanisms and actuators 5o are hidden from view, presenting a cleaner exterior with fewer mechanisms;
Maintenance is also reduced in that the surface is 11i1- and there are no crevices for dust or debris collection.

Although preferred embodiments of the invention have been disclosed in detail, those skilled in the art will be able to practice the principles of the invention by modifying some of the disclosed structures and replacing the illustrated elements with equivalent elements. It is therefore contemplated that all such modifications and substitutions may be included within the spirit and scope of the appended claims.

[Brief explanation of drawings]

The 11th zo is a part 111/iwi showing the parts of three adjacent seat rows each having 64 individual seats constructed according to the present invention.
FIGS. 2 and 3j are respectively a top view and a close-up plan view of a part of the structure showing the usual mounting of the seat shown in FIG. 1. 10.11.12... Seat row, 13...
...Rising beam, 14...Detsuki,
17...Footrest, 18...Nose beam,
20...puff/? , z2...Chair, 28...Backrest, 2 hands...
・Seat, 25... Armrest, 28...
...Strut assembly, 80...Hinged silk three-dimensional,
81.36...Bracket, 83.34
... Frame member, 35 ... Coil spring, 88 ... Board, 40 ... Side plate.

Claims (1)

[Claims] 1. A usage position having a plurality of rows of seats, where the rows of seats are in a tiered relationship, and the lower row of seats is at least partially nested under the upper row of seats. A telescoping seating system movable between a storage position and a storage position, each row of seats having a deck and a seat section, comprising: a strut device having first and second frame members and supporting the seat section; The frame members are each pivotally connected to the row of seats at spaced apart positions and adapted to rotate in unison between a generally upright use position and a generally horizontal storage position; a spring device coupled to the frame member and the spring for biasing the frame member in the use position, the force of the spring biasing the frame member in the use position increases as the frame member is moved into the use position; Apparatus constructed and arranged to. 2. The apparatus of claim 1, wherein the frame members are adapted to cooperatively engage one another in the use position to define the position of the seat portion in the use position. 3. Device according to claim 1, characterized in that the spring device comprises a coil spring, and the frame members cooperate in position to surround the coil spring. 4. A bracket attached to said deck adjacent to its rear riser and said first and second frame members centered on first and second horizontal axes spaced apart from each other in a vertical and fore-and-aft direction; and first and second devices rotatably pivotally mounted adjacent to the bottoms of their respective bodies, the second frame member being generally aligned with the first frame member and the rear portion thereof in a position of use. The device according to claim 1, characterized in that: 5. Having a plurality of the above-mentioned support devices supporting the above-mentioned seat portion,
Claim 4 further comprising a latching mechanism for each post, the latching mechanism being self-locking when actuated and independent of other latching mechanisms in the latched position. The device described in. 6. The frame members of claim 5 are generally channel-shaped having elongated openings disposed in opposed relation and cooperating to accommodate the coil springs. Device. 7. The spring is in tension in the use position, and in the stowed position, rotation of the frame member into the use position causes relative movement between the positions where the end of the spring is connected to the frame end. 7. The device of claim 6, wherein the spring, when stretched, provides the only force for raising the column and seat into the position of use. 8. The rear surface of the second frame member curves smoothly in the forward direction and, during retraction of the lower row, is engaged by the forward portion of the next upper row to push the seat into the stowed position. 8. The apparatus of claim 7, wherein said engaging portion of said next top row is curved downwardly and rearwardly. 9. Install an armrest for each post, and attach this armrest to the 1st armrest above.
and first and second frame members pivotally connected to the second frame member, respectively.
and wherein the armrest is secured in a position of use when the post is raised and rotated into general alignment with the associated post when the post is lowered for storage. 5. A device according to claim 4, characterized in that: 10. Each latch mechanism has a spring biasing it into the latched position; in response to retraction of the next lower row of seats into the stowed position, all of the above latch mechanisms are released together and each latch is 6. The apparatus according to claim 5, further comprising an actuator device for each row of seats for independently biasing the latch mechanism to the latched position by the spring of the mechanism. 11. Moving between a use position having a plurality of rows of seats, where the rows are in a tiered relationship, and a storage position, where the lower row of seats is at least partially nested beneath the upper row; a telescoping seating arrangement, wherein each row of seats has a deck and a seating section; a plurality of struts supporting said seating section; each strut having first and second frame members; and first and second attachment means for pivotally coupling each of the second frame members to the row of seats at spaced apart positions, such that the frame members can be mounted in a generally upright position of use and in a generally horizontal position. each column is adapted to be rotated between a storage position and a storage position, each column having a spring device connected between the first and second frame members and biasing these members to the use position; and a spring constructed and arranged such that moving the frame member into the use position increases the force of the spring biasing the frame member into the use position; a latch independently pivotally mounted to one of the frame members for locking and having a second biasing device for tightening such as caused by movement of the strut; Apparatus comprising a device associated with a plurality of adjacent strut devices and responsive to retraction of a lower seat row to release a plurality of said latches in unison. 12. said first and second frame members are channel-shaped and in opposing relationship for accommodating said first spring arrangement and cooperating to engage in a raised position and limit movement of said seat; 12. A device according to claim 11, characterized in that it is provided with: 13. Each strut further comprises an armrest pivotally connected to both of the frame members and rotated to a position aligned with the direction of extension of the strut member in the stowed position. The equipment described in section.