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US 4,726,623 AGranted
Seat apparatus for vehicles
AssigneeAisin Seiki Kabushiki Kaisha
InventorsKenichi Kazaoka, Hiroshi Okazaki
Life of this patent
Estimating the term…
Abstract
The seat apparatus for vehicles according to the invention includes at least a seat cushion. And the seat cushion has a frame member made of plastics and a cushion foam member mounted thereon. The frame member has a hollow portion therein so as to increase a mechanical strength thereof. Further, at least the front side thereof is supported by a supporting member mounted on a bracket. Therefore, the frame member is reinforced by the supporting member.
Claims7
A vehicle seat, which comprises:
- a seat cushion;
- frame means for supporting said seat cushion and including a lower support plate and a resilient plastic upper plate, said lower support plate having a main interior portion and a retaining ledge extending upward around a periphery of said main interior portion, said retaining ledge having an upper end surface, said upper plate being fixedly connected to said lower support plate along said upper end surface, said upper plate having a curvilinear cross-sectional configuration and being slidably connected to said lower support plate proximate said periphery of said main interior portion to define a first hollow portion along said retaining ledge and said periphery of said main interior portion, said upper plate also defining a second hollow portion, said upper plate also defining a second hollow portion within said periphery of said main interior portion, said upper plate normally being spaced from said lower support plate along said first and second hollow portions, said upper plate being flexible in response to an excessive load force thereby stretching of said first hollow portion simultaneously with said second hollow portion so that said upper plate substantially conforms to said lower plate along at least a portion of said retaining ledge and said periphery of said main interior portion, said lower support plate arresting movement of said upper plate;
- support means for securely supporting said frame means in the vehicle;
- rod members extending beneath said frame means in the vehicle;
- attachment means mounted on said support means for connecting said rod members to said support means;
- and
- a plurality of clip means for attaching said frame means to said rod members and for limiting the movement of said frame means relative to said rod members.
4 more elements
Dependencies are inferred from the claim text.