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    Electrical outlet box
    4.
    发明授权
    Electrical outlet box 失效
    电气插座

    公开(公告)号：US3659037A

    公开(公告)日：1972-04-25

    申请号：US3659037D

    申请日：1971-04-30

    Applicant: CARDINAL OF ADRIAN

    Inventor： MACDONALD ROBERT D

    IPC: H02G3/12

    CPC classification number: H02G3/123 ,  Y10S248/906

    Abstract: A molded plastic electrical outlet box has upper and lower mounting bosses which engage front and rear faces of the wall panel opening in which the box is installed, thereby temporarily but securely retaining the box in the wall opening. The same pair of screws which subsequently fix an electrical unit within the box also permanently and securely clamp the mounting bosses to the wall panel. Transverse nail guiding passages provide a means for additionally nailing the box to a stud if required by local building codes.

    Abstract translation: 模制塑料电气插座箱具有上下安装凸台，其接合壁板开口的前后表面，其中安装有箱体，从而临时但牢固地将箱体保持在壁开口中。 随后将电气单元固定在盒子内的同一对螺钉也永久地并且牢固地将安装凸起夹紧在墙板上。 如果当地建筑规范要求，横向指甲导向通道提供了将盒子钉在螺柱上的方法。

    Hinge
    5.
    发明授权
    Hinge 失效

    公开(公告)号：US3588946A

    公开(公告)日：1971-06-29

    申请号：US3588946D

    申请日：1969-02-07

    Applicant: CARDINAL OF ADRIAN

    Inventor： MACDONALD ROBERT D

    IPC: E05F1/12

    CPC classification number: E05F1/1253 ,  Y10T16/524 ,  Y10T16/5383

    Abstract: A DOOR HINGE HAS TWO PORTIONS OR COMPONENTS, ONE AFFIXED TO THE DOOR FRAME AND THE OTHER TO THE DOOR WITH MEANS CONNECTED BETWEEN THE COMPONENTS FOR RESILIENTLY URGING THEM TOGETHER. IF FORCE IS APPLIED TO THE DOOR, FOR EXAMPLE, IF IT IS BANGED, HUNG ON, OR FORCED OPEN TOO FAR, THE TWO HINGE PORTIONS WILL YIELDABLY SEPARATE TO MINIMIZE DAMAGE TO THE DOOR, THE FRAME, THE HINGE, OR ALL THREE. THE HINGE ALSO IS DESIGNED TO URGE THE DOOR SHUT WHEN IT IS PARTLY OPEN AND FURTHER, TO URGE THE DOOR BEYOND THE CLOSED POSITION, WHEN CLOSED, SO THAT NO LATCH IS NEEDED FOR THE DOOR. THE NEW HINGE HAS OTHER ADVANTAGES OVER PREVIOUSLY KNOWN LATCHLESS DOOR HINGES IN THAT THE NEW HINGE IS SELF-ALIGNING, IMPARTS NO RESISTANCE AS THE DOOR IS BEING OPENED, AND CAN URGE THE DOOR TOWARD THE CLOSED POSITION WHEN OPENED AT A WIDER ANGLE THAN HERETOFORE.

    Tubing fitting
    7.
    发明授权
    Tubing fitting 失效
    管件

    公开(公告)号：US3874709A

    公开(公告)日：1975-04-01

    申请号：US38184473

    申请日：1973-07-23

    Applicant: CARDINAL OF ADRIAN

    Inventor： MACDONALD ROBERT D

    IPC: F16L21/08 ,  F16L37/091 ,  F16L17/00 ,  F16L33/16

    CPC classification number: F16L37/091

    Abstract: A pre-assembled tubing coupling or fitting including a sleeve, a retaining ring, a resilient sealing ring disposed external to said retaining ring, and a cap or plug. The cap is disposed to limit axial movement of the sealing ring and the coupling is preassembled so that upon insertion of a conduit into the coupling, an interference fit is formed between the conduit and the retaining ring and a seal is formed between the sleeve and the conduit, without the necessity of further assembly or tightening of the cap.

    Abstract translation: 包括套筒，保持环，设置在所述保持环外部的弹性密封环的预组装管接头或配件以及帽或塞。 盖被设置成限制密封环的轴向移动，并且联接器被预组装，使得在将导管插入联接器中时，在导管和保持环之间形成过盈配合，并且在套筒 和管道，而不需要进一步组装或紧固盖。

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