Invention Grant
US09247823B2 Seating unit with improved structure 有权
座椅结构改善

Seating unit with improved structure
Abstract:
A seating unit includes a spring unit mounted in a frame, the spring unit having spring structures with end and middle stacked arches and interconnected to one another by tie bars, the spring unit being mounted in a frame having side rails, bottom slats, a continuous front rail, side rails, reinforcing blocks and brackets formed and arranged as a space frame.
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