| 摘要 |
<p>1520795 Bolts YOSHIDA KOGYO KK 21 Oct 1975 [22 Oct 1974] 43205/75 Heading E2A The degree of projection of a sliding bolt 16 is adjusted by longitudinal movement of a detent plate 23 within the bolt housing. This plate is secured by screw 26 and has shoulders 31 to detain the bolt handle which may be rotated with the bolt in the usual way. A spring 32 biasses the bolt to its retracted position.</p> |
