Invention Grant
US09271560B2 Backpack comprising a frame structure for stretching a netting member concave across the back wall 有权
背包,其包括用于将网状构件拉伸穿过后壁的框架结构

Backpack comprising a frame structure for stretching a netting member concave across the back wall
Abstract:
The invention relates to a backpack comprising a frame structure stretching the back wall (2) of backpack (1) to be concavely taut and holding a netting member (4) in front of the backpack back wall (2) in bowstring fashion. The frame structure comprises a resilient frame member (3) having a pair of frame portions (8, 9) intersecting in front of backpack back wall (2), a top frame portion (10) which extends in a transverse direction of backpack (1), interconnects the top ends of frame portions (8, 9) and is held against backpack back wall (2), and a frame portion (18) comprising two frame elements (19, 20) extending approximately in the longitudinal direction of backpack (1) and mutually spaced in a transverse direction thereof.
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