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    • 34. 发明公开
    • Interchangeable sighting rib for a firearm
    • Wechselbare Visierlaufschienefüreine Schusswaffe
    • EP1447639A1
    • 2004-08-18
    • EP04075367.5
    • 2004-02-06
    • Fabbrica d'Armi Pietro Beretta S.p.A.
    • Gussalli Beretta, Ugo
    • F41G1/42
    • F41G1/425
    • An interchangeable rib (40) for a rifle that is U-shaped and comprising an aiming plane (41) and two interfacing longitudinal fins (43), defining a channel (45) between them suitable for slidably receiving a band (60) equipped with shaped openings (62) inside of it, each of the shaped openings (62) being suitable for engaging a corresponding column (22) extending from a fixed base (20) to a barrel (10) of the rifle, the rib (40) being equipped with a slot (48) corresponding to an actuation hole (65) formed in the band (60) through which it is possible to actuate the sliding of the band (60) so as to take the edges of the shaped openings (62) to engage in grooves (23) realised along the columns (22) to prevent the detachment of the rib, the rib (40) also comprising, at at least one of its ends, a top lever seat (51) which is coupled with at least one top lever base (30, 31) correspondingly realised on the barrel to prevent the longitudinal sliding of the rib.
    • 一种用于步枪的可互换肋(40),其为U形并且包括瞄准平面(41)和两个相互连接的纵向翅片(43),在它们之间限定适于可滑动地容纳配备有 每个所述成形开口(62)适合于将从固定基座(20)延伸到所述步枪的枪管(10)的对应的柱(22)接合,所述肋(40) 配备有对应于形成在带(60)中的致动孔(65)的槽(48),通过该槽能够致动带(60)的滑动,以便使成形开口(62)的边缘 )接合沿柱(22)实现的槽(23)以防止肋的分离,肋(40)在其至少一个端部处还包括顶杆座(51),其与 相应地在筒体上实现的至少一个顶杆底座(30,31)以防止肋的纵向滑动。