JPS6137855U - Frameless stressed envelope seat structure - Google Patents

Abstract

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

Description

[Brief explanation of the drawing]

1 is an exploded perspective view of a thick seat assembly according to a first embodiment of this invention, FIG. 2 is an exploded perspective view of a seat assembly according to a second embodiment of this invention, and FIG. 3 is an exploded perspective view of a seat assembly according to a second embodiment of this invention. FIG. 4 is a perspective view showing the case where three seat structures of the embodiment are fixed diagonally to the wall of a vehicle, FIG. 4 is a plan view of the arrangement shown in FIG. 3, and FIG.
The figure is a perspective view of a portion of a third embodiment of the invention, with one portion shown in cross section. FIG. 6 is a vertical sectional view of the second embodiment of this invention taken along the axis of symmetry of the structure, and FIG. 7 is a vertical sectional view of the third embodiment of this invention taken along its axis of symmetry. , FIG. 8 is a perspective view showing a case where 62 seats of the second embodiment are assembled side by side. Explanation of main symbols, 10: Seat pan, 12: Back pan, 1
3: Inverted U-shaped part, 14: Cylindrical surface, 15: Dish-shaped part,
16: U-shaped part, 17: dish-shaped part, 18: groove-shaped part,
35.38: Overlapping part.

Claims (1)

[Claims for Utility Model Registration] {1} In a frameless stressed-shell type seat structure that can be directly attached to another thing of the same kind or a supporting member without using a frame member, an inverted U-shaped portion that increases the beam strength of the side portion, an upwardly convex cylindrical surface extending over the front portion and giving the front portion load-bearing capacity, and a rear half of the seat pan that An integrated sheet metal seat pan that provides torsional resistance throughout the pan and constitutes a concave dish-shaped portion;
There are U-shaped parts on both sides that open backwards to increase the beam strength of the sides, and a concave dish-shaped part on the lower half of the back pan that gives twisting resistance to the entire back pan. and an integrated sheet metal back pan constituting a U-shaped groove-shaped portion that opens backwards and provides strength to the top, and the pan is bent in a straight line and is prevented from bending. and means for securing the seat pan as well as the backrest such that when applied, buckling of the means rather than bending of the pan occurs. (2) When the back pan faces rearward, an L-shaped part is also formed at a distance below the U-shaped groove-shaped part that opens into the back pan, and the L-shaped part receives the upper periphery of the pad member; For this purpose, the padding material does not interfere with the ability of the rearwardly opening U-shaped groove to act as a gripping site that allows a person to grip the back of the seat. The frameless applied skin type seat structure described in 1. (3) A recessed portion extending rearward is defined between the L-shaped portion and the U-shaped groove portion that opens rearward, and is adapted to receive the fingers of a person grasping the back of the seat, as described in claim 2 of the utility model registration. Frameless stressed envelope seat structure. (4) A first support pan below the sheet metal seat pan and a second support pan behind the sheet metal back pan are provided, and each support pan is fixed to the sheet metal van, but they are not fixed to each other. The frameless molded skin seat structure described in Claim 1 of the Utility Model Registration, which has not been registered. (5) Each support pan is fixed to the respective sheet metal pan at a location adjacent to its periphery (8) The frameless reinforced skin type seat structure according to claim 4. '{6} Each support pan has an opening at the adjacent periphery.
The frameless stressed skin seat structure according to claim 5, which is fixed to each sheet metal pan by molding. (7) The first support band has two downwardly projecting lateral U-shaped groove portions adjacent to and spaced apart from each other on the front edge and the rear edge, respectively, and each groove portion is It has two separate doors! , a frameless stressed skin seat structure for a vehicle as described in Box 13 within the channel section. (15) The two-seater seating device is further supported by a fourth coupling member, and the fourth coupling member is connected to the second support pan of the one seat structure and to the second support pan of the one seat structure. A frameless stressed-shell seat structure for a vehicle as claimed in claim 14, wherein the fourth coupling member is fixed to the wall of the vehicle through an opening in the cavity on the side remote from the vehicle. (16) The two-person seating device is further supported by a support member, and the supporting member extends from an inner surface of the vehicle to a position of the two-person seating device that is farther from the one side of the one seat structure. A frameless stressed skin seat structure for a vehicle as set forth in claim 14 of the utility model registration. (17) In a vehicle in which a plurality of frameless stressed-shell seat structures are interconnected, the seat structures are arranged diagonally with respect to the vehicle wall, and any two adjacent structures face in the same direction. are interconnected in such a way that they are offset from each other, such that along the juxtaposed side edges of the seat pans, the front cavity of the first support pan of one structure is connected to the rear of the first support pan of another structure. A frameless stressed skin type seat structure for a vehicle according to claim 13 of the utility model registration, which is adapted to match the void space of the vehicle. (18) The two-person seating arrangement is further supported by at least one column, the column extending from the roof portion of the vehicle.
A frameless stressed envelope seat structure for a vehicle as claimed in claim 14, which extends to a portion of the person seating device far from the wall of the vehicle.