| 摘要 |
A back and lumbar support apparatus comprising: a semi-rigid central support; a lumbar support slideably attached to the semi-rigid central support; a first panel, with four catenary edges, coupled to the semi-rigid central support; a first strap coupled to the first panel; a second strap coupled to the first panel; and where the first and second straps are configured to adjust in length. A back and lumbar support apparatus comprising: a semi-rigid central support; a first panel, with four catenary edges, coupled to the semi-rigid central support; a first strap coupled to the first panel; a second strap coupled to the first panel; and where the first and second straps are configured to adjust in length. A back and lumbar support system comprising: a seating apparatus with a first arm, a second arm, a first back member, and a second back member; a first panel, with four catenary edges, coupled to the first back member and to the second back member; a semi-rigid central support coupled to the first panel; a lumbar support slideably attached to the semi-rigid central support; a first strap coupled to the panel and to the first arm; and a second strap coupled to the panel and to the second arm.
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