| 摘要 |
PROBLEM TO BE SOLVED: To achieve normal delivery and to prevent interference with the feed-in of a new gun by enabling an extractor to securely release a casing when the casing is inclined so that it can be rejected forward in firearms, namely Bullpup gun, where the course of movable elements is formed integrally with a grip. SOLUTION: Firearms have a lever 12, the lever is rotatably mounted to one of other movable elements 4 adjacently to an extractor 8 and is provided with an eccentricity cam 11, and the cam cooperates with the extractor being mounted while being inclined. Therefor, when the lever turns, the cam causes the remover to be inclined and allows the extractor to release a casing 22. Also, the frame is provided with at least one control stop 18, the control stop is located in the track of the lever when the movable element moves forward and turns the lever as described earlier when the casing needs to be released from the extractor in the movement.
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