| 摘要 |
1523228 Sliding clasp fasteners YOSHIDA KOGYO KK 26 Nov 1976 [16 Dec 1975] 49367/76 Heading E2S A locking slider has a longitudinally mounted locking spring 30 which is torsionally rotated by the action pull-tab cam 36 on an off-set humped portion 35 such that the prong 32a is retracted from engagement with the teeth E in a curved transverse direction. |
