公开(公告)号：US4723866A

公开(公告)日：1988-02-09

申请号：US746273

申请日：1985-06-19

申请人： Durham S. McCauley

发明人： Durham S. McCauley

IPC分类号： E02D29/14

CPC分类号： E02D29/1427 ,  Y10S411/91

摘要： A manhole cover locking bolt construction for locking a manhole cover to an associated frame including a bolt having a threaded shank and an externally threaded head and an endless curvilinear groove in the top of the head for receiving a key of mating configuration for threading the bolt into and out of the manhole cover frame, and a cap for threadably mounting on the externally threaded head to protect the curvilinear groove against entry of foreign matter.

摘要翻译： 一种人孔盖锁定螺栓结构，用于将人孔盖锁定到相关联的框架，所述框架包括在头部顶部具有螺纹柄和外螺纹头部以及环形曲线槽的螺栓，用于接收用于将螺栓穿过的配合构造的钥匙 并且从人孔盖框架出来，以及用于螺纹安装在外螺纹头部上的盖，以保护曲线槽免于异物进入。

公开(公告)号：US4712586A

公开(公告)日：1987-12-15

申请号：US900975

申请日：1986-08-27

申请人： Durham S. McCauley ,  Jeffrey R. Sullivan

发明人： Durham S. McCauley ,  Jeffrey R. Sullivan

IPC分类号： F16L55/11 ,  F16L55/10

CPC分类号： F16L55/1108

摘要： A pipe plug which cannot be removed from a pipe with the same key with which it is installed, the pipe plug having a body with a plurality of arcuate grooves having inclined arcuate ramps leading from its face into its body and terminating at shoulders for abutting engagement with first key having pins which bear against the shoulders to tighten the plug in the pipe but which cannot loosen the plug because the pins will ride up the ramps and cam out of engagement with the plug, and a second key for removing the plug including a ridge on the second key for mating with a complementary curvilinear groove in the plug. A counterbore is provided in the face of the plug to receive portions of the ridge which are of substantially the same diameter as the counterbore to thereby center the second key with respect to the plug and guide it while the second key is rotated until the ridge thereon falls into the groove to effect mating engagement therewith.

摘要翻译： 管塞不能从与其安装的相同的钥匙的管道上移除，管塞具有主体，该主体具有多个弧形槽，其具有从其表面导入其本体并且终止于肩部以抵靠接合的倾斜弧形斜面 第一键具有承担肩部的销以将该插头拧紧在管道中，但是由于该销将使该斜坡和该凸轮摆脱与该插头的接合而不能松开该插头，以及用于移除该插头的第二键，包括： 脊上的第二个键，用于与插头中的互补曲线槽配合。 在插头的表面上设置有沉孔，以容纳脊的与沉孔基本上相同直径的部分，从而使第二键相对于插头居中并引导，同时第二键旋转直到其上的脊 落入槽中以与其配合接合。

公开(公告)号：US5071300A

公开(公告)日：1991-12-10

申请号：US655808

申请日：1991-02-15

申请人： Durham S. McCauley

发明人： Durham S. McCauley

IPC分类号： F16B37/14 ,  F16B39/12 ,  F16B41/00

CPC分类号： F16B39/12 ,  F16B37/14 ,  F16B41/005 ,  Y10S411/91

摘要： A shrouded jam locknut including a body member of frustoconical configuration having a larger base and a smaller base, a recess extending inwardly into the body member from the larger base and terminating at a shoulder for bearing against a nut in locking relationship therewith, a threaded bore extending inwardly into the body member from the shoulder for receiving the end of a threaded shank, a skirt surrounding the recess and terminating at an annular edge, and a key-receiving recess in the smaller base.

摘要翻译： 一种被覆盖的果酱锁紧螺母，其包括具有较大基部和较小基部的截头圆锥形构造的主体构件，从较大基部向内延伸到本体构件中的凹部，并且终止于肩部以抵靠与其锁定关系的螺母轴承;螺纹孔 从肩部向内延伸到本体构件中，用于接收螺纹柄的端部，围绕凹部并终止在环形边缘处的裙部以及较小基部中的按键容纳凹部。

公开(公告)号：US5062325A

公开(公告)日：1991-11-05

申请号：US302062

申请日：1989-01-26

申请人： Durham S. McCauley ,  Jeffrey R. Sullivan

发明人： Durham S. McCauley ,  Jeffrey R. Sullivan

IPC分类号： F16L55/11

CPC分类号： F16L55/1108 ,  Y10S411/911

摘要： A pipe plug which cannot be removed from a pipe with the same key with which it is installed, the pipe plug having a body with a plurality of arcuate grooves having inclined arcuate ramps leading from its face into its body and terminating at shoulders for abutting engagement with first key having pins which bear against the shoulders to tighten the plug in the pipe but which cannot loosen the plug because the pins will ride up the ramps and cam out of engagement withthe plug, and a second key for removing the plug including a ridge on the second key for mating with a complementary curvilinear groove in the plug. A counterbore is provided in the face of the plug to receive portions of the ridge which are of substantially the same diameter as the counterbore to thereby center the second key with respect to the plug and guide it while the second key is rotated until the ridge thereon falls into the groove to effect mating engagement therewith.

摘要翻译： 管塞不能从与其安装的相同的钥匙的管道上移除，管塞具有主体，该主体具有多个弧形槽，其具有从其表面导入其本体并且终止于肩部以抵靠接合的倾斜弧形斜面 第一钥匙具有承担肩部的销，以将管塞拧紧，但不能松开塞子，因为销钉将上升斜坡和凸轮脱离与插头的接合，以及用于移除包括脊部的塞子的第二钥匙 在与插头中的互补曲线槽匹配的第二个键上。 在插头的表面上设置有沉孔，以容纳脊的与沉孔基本上相同直径的部分，从而使第二键相对于插头居中并引导，同时第二键旋转直到其上的脊 落入槽中以与其配合接合。

公开(公告)号：US4936336A

公开(公告)日：1990-06-26

申请号：US428913

申请日：1989-10-30

申请人： Durham S. McCauley ,  John K. Waite ,  John W. Erwin

发明人： Durham S. McCauley ,  John K. Waite ,  John W. Erwin

IPC分类号： E03B9/02 ,  E03B9/06

CPC分类号： E03B9/02 ,  E03B9/06 ,  Y10T137/5468 ,  Y10T137/7065 ,  Y10T137/9247

摘要： A tamperproof construction for preventing actuation of the actuating nut of a fire hydrant comprising a nut actuating body for receiving the hydrant nut in turning relationship, set screws locking the nut actuating body to the actuating nut, a shroud permanently secured on the nut actuating body by means of a snap ring so that it covers the set screws but is rotatable on the nut actuating body, a bore in the shroud for permitting selective access to the set screws, a key-operated plug in the bore, a cap permanently and rotatably mounted on an end of the nut actuating body which protrudes through an opening in the shroud, and a limited axial portion of the nut actuating body exposed between the cap and shroud for receiving a specialized wrench.

摘要翻译： 一种用于防止消防栓的致动螺母致动的防篡改结构，包括用于在转动关系中接收消防栓螺母的螺母致动体，将螺母致动体锁定到致动螺母上的固定螺钉，通过永久固定在螺母致动体上的护罩， 卡扣环的装置，使得其覆盖固定螺钉，但是可以在螺母致动体上旋转，罩中的孔用于允许选择性地接近固定螺钉，孔中的钥匙操作的塞子，永久地和可旋转地安装的盖 在螺母致动体的通过护罩中的开口突出的端部上，以及暴露在盖和护罩之间的螺母致动体的有限的轴向部分，用于接收专门的扳手。

公开(公告)号：US4686874A

公开(公告)日：1987-08-18

申请号：US812232

申请日：1985-12-23

申请人： Durham S. McCauley ,  Miller G. McCalmon

发明人： Durham S. McCauley ,  Miller G. McCalmon

IPC分类号： B25B13/48 ,  F16B23/00 ,  B25B15/02 ,  F16B35/06

CPC分类号： F16B23/0007 ,  B25B13/485 ,  Y10T292/1099

摘要： A tamper-proof bolt including a shank with a threaded end portion merging into an unthreaded portion of lesser diameter merging into an enlarged unthreaded portion merging into the larger base of a frustoconical head also having a smaller base, an undulating curvilinear groove in the smaller base, an island having lobes within the groove, an outer side in the groove, an inner side in the groove formed by the sides of the lobes of the island, and a cylindrical boss on the island extending axially outwardly from the smaller base and having a radial dimension which is approximately equal to the minimum radial dimension of the undulating groove. A key having an undulating curvilinear ridge for reception in complementary mating engagement in the curvilinear undulating groove of the bolt and having portions of a minimum radial dimension of approximately the same size as the boss for rotating engagement relative thereto and having lobes for meshing engagement with the sides of the undulating curvilinar groove when it is received therein.

摘要翻译： 一种防撬螺栓，包括具有螺纹端部的柄部，其合并成较小直径的无螺纹部分，并入到扩大的无螺纹部分，该扩大的无螺纹部分合并成较小基部的较小的基部的截头圆锥形头部的较大基部，较小基部中的起伏曲线 ，在槽内具有裂片的岛，槽中的外侧，由岛的凸起的侧面形成的槽中的内侧，以及岛上的圆柱形凸起，其从较小的基部轴向向外延伸并具有 大致等于起伏槽的最小径向尺寸的径向尺寸。 具有波形曲线脊的键，用于在螺栓的曲线起伏凹槽中互补配合接合，并且具有与用于相对于其旋转接合的凸台大致相同尺寸的最小径向尺寸的部分，并且具有用于与所述凸起啮合的凸角 在其中接收波纹曲线槽时的两侧。