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    • 13. 发明专利
    • BR8107130A
    • 1982-07-20
    • BR8107130
    • 1981-11-04
    • CREUSOT LOIRE
    • VOILLOT HERVE
    • B65G23/20B65G33/04F41A9/03F41F9/02F41D10/38F42B41/02
    • Apparatus for advancing elongate objects (D) around a curve between upstream and downstream straight guideways (1, 3) connected by a curved connecting guideway (2), each guideway being constituted by two pairs of parallel guides (11, 12; 31, 32) between which the objects (D) are advanced in successive displacements by means of two series (13, 14; 33, 34) of seating plates. The inner guides (22) of the curved guideway (2) are associated with seating plates (24) angularly spaced and driven in synchronism with the plates (14, 34) of the straight guideways (1, 3) and outer guides (21) are associated, in the central part (A) of the curve, with a series (23) of overlapping seating plates the axes of which are normal to the curve, angularly spaced and rotated in synchronism at a speed determining along the outer guide (21) a tangential speed corresponding to the constant angular rate of change of orientation, and, in the upstrem (B1) and downstream (B2) parts of the curve, with two varying-speed drive devices (4, 5 ). The invention is especially applicable to the advancing of ammunition in an artillery turret.
    • 20. 发明专利
    • Belt duct of an automatic weapon having a barrel
    • DE3403755A1
    • 1985-08-08
    • DE3403755
    • 1984-02-03
    • RHEINMETALL GMBH
    • BREMER CLEMENS ING GRAD
    • F41A9/57F41D10/38
    • A belt duct 10, which varies its track flexibly and is known per se, of an automatic weapon having a barrel contains supporting elements 4 in order to increase its range of applications in the case of inwardly curved belt duct tracks for separate support of the belt links 5. On belt duct tracks which are curved in such a manner, and in the case of high masses which are to be accelerated in a short time and consist of cartridges 18 and belt links 5, the supporting elements 4 prevent the belt links 5 being released from the cartridges 18 as a result of the considerably radially inwardly directed force components. The specifically light supporting element 4, which consists of a thermoplastic synthetic material or a suitable metal, can easily be installed as a plug-on clamping piece and, as a result of its trapezoidal cross-sectional surface, forms a closed sliding surface 8 even in the event of sharp curvature. The supporting element 4 is secured against rotation by means of steps 15 on both sides on the ends 14, which are supported on the frame segments 2, 3 of the belt duct 10. The supporting element 4 can also be designed as a roller which can rotate, in a manner which is not shown.