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    Machine for trimming skins
    2.
    发明授权
    Machine for trimming skins 失效
    修剪皮肤的机器

    公开(公告)号：US4253318A

    公开(公告)日：1981-03-03

    申请号：US78223

    申请日：1979-09-24

    申请人： Silvio Repetto

    发明人： Silvio Repetto

    IPC分类号： C14B1/06 ,  C14B17/10 ,  C14B1/14 ,  B26D7/06

    CPC分类号： C14B17/10 ,  C14B1/06 ,  Y10T83/66

    摘要： The present invention concerns a machine for clipping or trimming hides or skins of the type comprising cylinders with blades or the like for the calibration of hides, leather or the like skins, said machine being provided with devices of substantially electromechanical type for permitting continuous and automatic compensation of the wear on the blades during the process as well as for the necessary increases of thickness in the end portions of the hides under preparation, ensuring uniform calibration of the hides in conformity with the predetermined initial thickness values.

    摘要翻译： 本发明涉及一种用于夹持或修剪包括具有用于校准皮革或皮革等皮肤的叶片等的滚筒类型的皮革或皮肤的机器，所述机器具有基本机电式的装置，用于允许连续和自动 补偿过程中叶片的磨损以及准备中的皮革端部厚度的必要增加，确保与预定初始厚度值一致的皮革的均匀校准。

    Skiving machine for hides and similar materials
    4.
    发明授权
    Skiving machine for hides and similar materials 失效
    刮皮机用于皮革和类似材料

    公开(公告)号：US4338803A

    公开(公告)日：1982-07-13

    申请号：US173419

    申请日：1980-07-29

    申请人： Danilo Paccagnella

    发明人： Danilo Paccagnella

    IPC分类号： C14B1/22 ,  C14B17/10 ,  C14B17/14 ,  C14B1/14

    CPC分类号： C14B17/14 ,  C14B1/22 ,  C14B17/10

    摘要： The machine comprises a dished cutter rotary supported by a shaft connected to a driving shaft by means of a sliding coupling device comprising an extension of the shaft having a radial pin sliding in slots of a hollow shaft.A grinding wheel is supported by an arm laterally hinged to the cutter and driven by an independent motor to sharpen the cutter with a constant cutting edge. The machine comprises moreover, a clutch controlling the feeding roller for material to be skived, which includes spring means providing thrust, while a speed variator makes it possible to adjust the speed of rotation of the feeding roller.

    摘要翻译： 该机器包括一个通过滑动联接装置连接到驱动轴的轴支撑的碟形切割器旋转装置，该滑动联接装置包括具有在中空轴的槽中滑动的径向销的轴的延伸部。 砂轮由横向铰接到切割机上的臂支撑，并由独立的马达驱动，以用恒定的切削刃锐化刀具。 此外，该机器还包括控制用于待切割材料的进给辊的离合器，其包括提供推力的弹簧装置，而变速器可以调节进给辊的旋转速度。

    Hydraulic device for producing a to-and-fro movement
    5.
    发明授权
    Hydraulic device for producing a to-and-fro movement 失效
    用于生产往复运动的液压装置

    公开(公告)号：US4267714A

    公开(公告)日：1981-05-19

    申请号：US922842

    申请日：1978-07-07

    申请人： Silvio Repetto

    发明人： Silvio Repetto

    IPC分类号： C14B1/06 ,  C14B17/10

    CPC分类号： C14B17/10 ,  C14B1/06

    摘要： A hydraulic device for producing a to-and-fro movement of a lever connected to a double-acting piston/cylinder unit comprises a pressure fluid distributor including a control piston for alternately feeding pressure fluid to one or the other side of the piston in the unit to move the lever alternately in opposite directions. A hydraulically actuatable control device for controlling the distributor includes a reciprocable piston member movable in a cylinder and a motion transmitting member in contact with the control piston of the distributor to transmit motion thereto. The piston member has a central large diameter section between two reduced diameter sections and the motion transmitting member is in contact with the surface of the piston member so as to reciprocate transversely in the cylinder when the piston member moves relative to the motion transmitting member between two end positions. The control device also includes an independently actuatable single-acting piston movable into a position where it holds the piston member with its large diameter section registering with the motion transmitting member.

    摘要翻译： 用于产生连接到双作用活塞/气缸单元的杠杆的往复运动的液压装置包括压力流体分配器，包括控制活塞，用于在压力流体分配器中交替地将压力流体输送到活塞的一侧或另一侧 单元以相反的方向交替地移动杆。 用于控制分配器的液压致动控制装置包括可在气缸中移动的可往复运动的活塞构件和与分配器的控制活塞接触的运动传递构件以传递运动。 活塞构件在两个缩径部分之间具有中心大直径部分，并且运动传递构件与活塞构件的表面接触，以便当活塞构件相对于运动传递构件在两个之间运动时横向往复运动 结束位置 控制装置还包括可独立致动的单作用活塞，其可移动到其保持活塞构件的大直径部分与运动传递构件对齐的位置。