| 摘要 |
A shoulder strap for supporting musical instruments, cases, luggage, bags and similar items has a longitudinally elongated main body(10; 50; 82A; 89A; 99A; 105A) extending between connectors (11, 12; 51, 52; 52; H'124) connectable to the item and in a vertical condition includes longitudinally spaced roller assemblies (X; R, T; 80; 88; 95; 100) having transverse shafts (16; 56; 59; 80A; 88A; 98A; 10OA; 105A) which are in turn are mounted by elongated flexible strap edge portions (14, 19; 54; 60; 81; 89; 102) in spaced relationship and their rollers being rotatable relative to the edge portions. The edge portions are of a flexibility that a roller (21; 63; 80B; 88B; 97; 100B) on one shaft may be moved to abut against a roller on an adjacent shaft whereby the rollers may impose the load carried by the strap to the shoulder of the user.
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