| 摘要 |
1,219,302. Air guns. BIRMINGHAM SMALL ARMS CO. Ltd. 7 March, 1969 [18 March, 1968], No. 12960/68. Heading F3C. In an air rifle of the break-down type the cylinder and barrel pivoting fork are formed of a single cold forging. A web portion is formed integrally with the cylinder and barrel pivoting fork, the web having an aperture arranged to act as a transfer passage between the cylinder and barrel. |
