| 摘要 |
A wheelbarrow ( 10,11,12,14,18 ) with 2 holes in it near handle. Straps ( 20 ) go through holes. Adjustment piece ( 22 ) can expand or shorten size of straps ( 20 ). Straps holder ( 24 ) has both straps ( 20 ) going through it. Connected to straps holders ( 24 ) is a rectangular piece ( 26 ). A wheelbarrow back straps assembly. Strap adjuster ( 28 ) is on rear strap ( 32 ). Strap adjuster ( 28 ) lenghens or shortens waist strap ( 32 ). Waist hooks ( 34 ) are on front side of waist straps ( 32 ). Round pieces ( 38 ) attach to waist hooks ( 34 ). Hooks ( 36 ) attach near handles on wheelbarrow. Straps adjusters ( 40 ) is in the middle of straps ( 42 ).
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