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    Masonry cutting tool
    1.
    发明授权
    Masonry cutting tool 失效
    砖石切割工具

    公开(公告)号：US4146098A

    公开(公告)日：1979-03-27

    申请号：US756995

    申请日：1977-01-05

    Applicant: John S. Cabillo

    Inventor： John S. Cabillo

    IPC: B25D17/04 ,  B28D1/04 ,  B28D1/14 ,  E21B10/02 ,  E21B11/00 ,  E21B1/06

    CPC classification number: B28D1/041 ,  B25D17/046 ,  B28D1/14 ,  E21B10/02 ,  E21B11/005

    Abstract: Masonry cutting tool used in conjunction with a pneumatic mechanism, e.g., air-operated hammer, comprising a drill head, a plurality of cutting prongs provided on the drill head, the drill head connected to a hammer shank, and a handle removably joined to said hammer shank for rotation of the drill head during the cutting operation.

    Abstract translation: 与气动机构结合使用的砌体切割工具，例如气动锤，包括钻头，设置在钻头上的多个切割尖，连接到锤柄的钻头和可移除地连接到所述钻头的手柄 在切割操作期间用于旋转钻头的锤柄。

    Arrangements in and relating to a chiselling hammer or similar percussion machine
    2.
    发明授权
    Arrangements in and relating to a chiselling hammer or similar percussion machine 失效
    安装与相关的锤子或类似机器的安排

    公开(公告)号：US3735824A

    公开(公告)日：1973-05-29

    申请号：US3735824D

    申请日：1971-03-03

    Applicant: DEVAC AB VALLINGBY

    Inventor： ASTROM N O BROMMA

    IPC: B23Q1/01 ,  B23Q11/00 ,  B25D9/08 ,  B25D17/04 ,  B25D17/11 ,  B25D17/14 ,  B25D17/18 ,  B25D17/24 ,  E21B1/30 ,  E21B1/38 ,  E21B21/00 ,  E21C7/00

    CPC classification number: B23Q11/0046 ,  B23Q1/015 ,  B25D9/08 ,  B25D17/046 ,  B25D17/11 ,  B25D17/24

    Abstract: A chiselling hammer or similar percussion machine, having a pneumatic impact creating and/or vibration generating motor, a motor housing made of a vibration damping material, and a cutting tool provided with a casing structure also made of a vibration damping material and adapted for accommodation in a tool insert opening arranged in connection with the motor housing. Extending from one end of the casing structure to the other is at least one channel which forms a communicating passage between the working zone of the tool and an open through-flow passage within the machine housing proper.

    Abstract translation: 一种具有气动冲击产生和/或振动产生电动机的凿子锤或类似的敲击机，由减振材料制成的电动机壳体，以及设有壳体结构的切割工具，该壳体结构也由振动阻尼材料制成， 在与电动机壳体连接设置的工具插入口中。 从壳体结构的一端延伸到另一端是至少一个通道，其在工具的工作区域和机器壳体内的开放的通过通道之间形成连通通道。

    Vibration isolating grip for pneumatic hand tools
    4.
    发明授权
    Vibration isolating grip for pneumatic hand tools 失效
    气动手动工具的隔振把手

    公开(公告)号：US3916478A

    公开(公告)日：1975-11-04

    申请号：US47020374

    申请日：1974-05-15

    Applicant: CATERPILLAR TRACTOR CO

    Inventor： SHOTWELL DANIEL BRONSON

    IPC: B25D17/08 ,  B25D17/04 ,  B25G1/00 ,  B25G1/01 ,  B25G1/06 ,  B25G1/10 ,  B25G3/20 ,  A47J45/08 ,  B25G1/12

    CPC classification number: B25G1/06 ,  B25D17/046 ,  B25G1/01 ,  B25G3/20 ,  Y10T16/48 ,  Y10T279/1216

    Abstract: A vibration isolating and heat insulating hand grip for use with hand held pneumatic chisels and similar pneumatic hand tools. A manually grippable rigid sleeve is slidably mounted on a housing member which surrounds a rigid, tubular shell to define an annular cavity. Internally secured to the shell is a compliant, non-porous sleeve, the shell and the sleeve defining an inflatable annular chamber. A bladder confined between the housing and the shell communicates with the inflatable annular chamber so that movement of fluid back and forth between the bladder and the chamber causes the compliant sleeve to grip or release a tool shank. Such movement of fluid is caused by an annulus internally mounted on the rigid, slidable sleeve in alignment with the bladder.

    Abstract translation: 用于手持气动凿子和类似气动手动工具的隔振和隔热手柄。 可手动抓握的刚性套筒可滑动地安装在壳体构件上，围绕刚性管状壳体以限定环形空腔。 内部固定到壳体上是柔顺的无孔套筒，壳体和套筒限定可充气的环形室。 限制在壳体和壳体之间的囊与可充气环形室连通，使得流体在气囊和腔室之间来回运动导致顺应性套筒夹紧或释放工具柄。 流体的这种移动是由内部安装在与膀胱对准的刚性的可滑动的套筒上的环形成的。

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