Seat structure
First Claim
Patent Images
1. A seat structure comprising:
- a seat frame;
a back frame;
sheet-like springs supported by said seat frame and by said back frame;
support panels fixed on each sheet-like spring for supporting selected portions of a person seated on the seat structure;
portions extending continuously from sides of each of said sheet-like springs;
reinforcing panels connected to said seat frame and to said back frame, each of which is curved slightly upward and fixed on a border between each of said sheet-like springs and each of said extended portions;
a strap-like rim piece fixed to an outer side of each of said extending portions; and
side support frames fixed to said seat frame and said back frame and to which said rim pieces are hooked.
1 Assignment
0 Petitions
Accused Products
Abstract
Resin-made support panels for supporting the ischium torus, lumbar and shoulder blade portions of a person seated are molded integral onto sheet-like springs which are plain-woven by resin fibers, and side rims of the sheet-like springs are connected to frames by means of hooks.
131 Citations
7 Claims
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1. A seat structure comprising:
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a seat frame; a back frame; sheet-like springs supported by said seat frame and by said back frame; support panels fixed on each sheet-like spring for supporting selected portions of a person seated on the seat structure; portions extending continuously from sides of each of said sheet-like springs; reinforcing panels connected to said seat frame and to said back frame, each of which is curved slightly upward and fixed on a border between each of said sheet-like springs and each of said extended portions; a strap-like rim piece fixed to an outer side of each of said extending portions; and side support frames fixed to said seat frame and said back frame and to which said rim pieces are hooked. - View Dependent Claims (2)
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3. A seat structure comprising:
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a seat frame; a back frame; sheet-like springs supported by said seat frame and by said back frame; support panels fixed on said sheet-like springs for supporting selected portions of a person seated on the seat structure; portions extending continuously from both sides of each of said sheet-like springs; reinforcing panels connected to the seat frame, each of which is slightly curved upward and fixed on a border between said sheet-like spring and said extending portion; strap-like rim pieces, each fixed to the outer side of each of said extending portions; side support frames fixed to said seat frame and said back frame and to which said rim pieces are hooked; pads for covering said sheet-like springs, support panels, extending portions, reinforcing panels, strap-like rim pieces and side support frames of said seat and back frames; and surface skins provided with a wadding and serving to cover said pads. - View Dependent Claims (4, 5, 6, 7)
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Specification