公开(公告)号：US4699552A

公开(公告)日：1987-10-13

申请号：US823404

申请日：1986-01-28

Applicant: Harvey P. Jeal

Inventor： Harvey P. Jeal

IPC: F16B39/284 ,  B21K1/70 ,  F16B19/10 ,  F16B39/28 ,  F16B13/04

CPC classification number: F16B19/1063 ,  B21K1/70 ,  F16B39/28

Abstract: A three piece blind fastener of the kind comprising a tubular nut having a head at one end and a tapered nose at the other end, an expansible sleeve, and a headed bolt threadedly engaged with the nut for forcing the sleeve on to the nose of the nut to form a blind head, has the thread of the nut provided with a locking zone in which the bore of the nut is constricted and, in cross sectional shape, a closed non-reentrant non-circular curve so that the nut resiliently interferes with the bolt.A die, and a method of providing the nut with the locking zone by means of the die are disclosed. The die has a tapered aperture having a cross sectional shape corresponding to the desired shape of the locking zone, and the method involves forcing the tapered nose of the nut into the aperture so as to constrict the bore, in a zone spaced from its ends, to the desired extent and impose the non-circular cross sectional shape on the constricted zone.

Abstract translation: 一种三件式的盲卡扣，其包括一端具有头部的管状螺母，另一端具有锥形鼻部，一可膨胀套管，以及与螺母螺纹接合的头螺栓，用于迫使该套筒向上 螺母形成盲头，具有螺母的螺纹，其具有锁定区域，其中螺母的孔被收缩，并且在横截面形状中具有封闭的非折返非圆形曲线，使得螺母弹性地干扰 螺栓。 公开了一种模具，以及通过模具为螺母提供锁定区域的方法。 模具具有锥形孔，其具有对应于锁定区域的期望形状的横截面形状，并且该方法包括将螺母的锥形尖端推入孔中，以便在与其端部间隔开的区域中收缩孔， 达到期望的程度并且在收缩区域上施加非圆形横截面形状。

公开(公告)号：US4680823A

公开(公告)日：1987-07-21

申请号：US704207

申请日：1985-02-22

Applicant: Harvey P. Jeal

Inventor： Harvey P. Jeal

IPC: F16B13/04 ,  B21K1/60 ,  B21K1/70 ,  F16B19/10 ,  F16B29/00 ,  F16B31/02 ,  F16B39/284 ,  B21D53/24

CPC classification number: B21K1/60 ,  B21K1/707 ,  F16B19/1063 ,  F16B39/284 ,  F16B29/00

Abstract: In a blind fastener (20) of the kind comprising a tubular nut (22) having a shank (28) with a head (30) at one end and a tapered nose (32) at the other end, a headed bolt (24) threadedly engaged in the bore (34) of the nut (22), and an expansible sleeve (26) which, by rotating the bolt (24), can be forced on to the nose (32) to form a blind head, a section of the shank (28) of the nut (22) is formed with a single protuberance (42) which protrudes resiliently into the bore (34) sufficiently to interfere with and restrain rotation of the bolt in the nut, and thus render the fastener self-locking. The shank (28) may have more than one section each provided with a single such protuberance (42), the effect of several protuberances being additive. Each protuberance (42) lies entirely within a minor sector of its section of the shank, and presents either a flat or a curved threaded surface traversed by the thread (38). Protuberances may be in different sectors if spaced longitudinally of the shank. Each protuberance is formed by impressing a minor zone of the external surface of the shank with a punch (74) while supporting a diametrically opposite zone in a nest (70) shaped so as to substantially preserve the cylindrical shape of the shank in the remaining major sector. A cap (16) is used in cooperation with the nest (70) to define an angled cavity (79) to restrain deformation and axial bending of the shank (28) during the impressing by the punch (74).

Abstract translation: 在包括具有在一端具有头部（30）的柄（28）的管状螺母（22）和在另一端具有锥形鼻（32）的类型的盲紧固件（20）中，头螺栓（24） 螺纹接合在螺母（22）的孔（34）中，以及可膨胀的套筒（26），其可以通过旋转螺栓（24）而被迫向鼻部（32）形成盲目的头部， 螺母（22）的柄部（28）形成有一个突出部（42），其弹性地突出到孔（34）中，以充分干涉并且限制螺母在螺母中的旋转，从而使紧固件自身 -锁定。 柄（28）可以具有多于一个部分，每个部分设置有单个这样的突起（42），几个突起的作用是相加的。 每个突起（42）完全位于其柄部分的小部分内，并且呈现由螺纹（38）横穿的平坦或弯曲的螺纹表面。 如果在柄的纵向间隔开，则突起可以在不同的部分。 每个突起通过用冲头（74）压制柄的外表面的次要区域而形成，同时支撑嵌套（70）中的径向相对的区域，所述嵌套（70）的形状基本上保持其余主体中的柄的圆柱形状 部门。 与座（70）协作使用帽（16）以限定成角度的空腔（79），以在打孔（74）的压印过程中抑制柄（28）的变形和轴向弯曲。

公开(公告)号：US4293256A

公开(公告)日：1981-10-06

申请号：US92648

申请日：1979-11-09

Applicant: Walter R. Pamer

Inventor： Walter R. Pamer

IPC: F16B31/02 ,  F16B39/282 ,  F16B39/284

CPC classification number: F16B31/024 ,  F16B39/282 ,  F16B39/284

Abstract: An improved fastener indicates when a predetermined preload has been applied to the fastener. The fastener includes a body section which is connected with a thread convolution. A load transmitting and indicating section is connected with the body section. The load transmitting and indicating section includes a bearing section having a flat annular bottom surface and an undulating annular spring section which circumscribes the bearing section. The spring section has a bottom surface with crest and trough portions. The crest portions extend tangentially to the plane of the bottom surface of the bearing section. The trough portions are resiliently deflectable toward the body section to flatten the undulations in the spring section upon application of the predetermined preload to the fastener. The spring section is resiliently returnable toward an initial configuration to increase the amplitude of the undulations in the spring section to provide a visual indication that the connection between the fastener and a member is loosening.

Abstract translation: 改进的紧固件指示何时将预定的预载荷施加到紧固件。 紧固件包括与线圈卷绕连接的主体部分。 负载传输和指示部分与主体部分连接。 负载传递和指示部分包括具有平坦环形底表面的轴承部分和环绕轴承部分的起伏环形弹簧部分。 弹簧部分具有带有顶部和槽部的底面。 波峰部分相对于轴承部分底面的平面切向延伸。 槽部能够朝向主体部分弹性偏转，以在将预定的预载荷施加到紧固件上时使弹簧部分中的起伏变平。 弹簧部分可弹性地朝向初始构型返回以增加弹簧部分中的起伏的幅度，以提供紧固件和构件之间的连接松动的可视指示。

公开(公告)号：US4281699A

公开(公告)日：1981-08-04

申请号：US31759

申请日：1979-04-20

Applicant: William L. Grube

Inventor： William L. Grube

IPC: F16B39/282 ,  F16B39/284

CPC classification number: F16B39/282

Abstract: A locking fastener such as a threaded nut, bolt or screw includes a body portion with a flange at the workpiece engaging end defining a bearing surface. Segments of the flange are rendered rigid by brace structure associated with the body portion of the fastener. Locking teeth project from the bearing surface in resilient segments of the flange located between the rigid segments. Upon tightening of the fastener against a workpiece, substantial clamp loads are imposed by the rigid flange segments while engagement of the teeth with the workpiece causes axial deflection of the resilient segments so that loss of clamp load and decrease in release torque due to tooth embedment is prevented.

Abstract translation: 诸如螺母，螺栓或螺钉的锁定紧固件包括在工件接合端处限定支承表面的具有凸缘的主体部分。 通过与紧固件的主体部分相关联的支撑结构使凸缘的部分变得刚性。 锁定齿从位于刚性段之间的法兰的弹性段中的轴承表面突出。 当将紧固件紧固在工件上时，由于刚性凸缘段施加相当大的夹紧载荷，同时齿与工件的啮合导致弹性段的轴向偏转，使得由于齿嵌入而导致的夹紧负载的损失和释放扭矩的降低是 防止了

公开(公告)号：US4236561A

公开(公告)日：1980-12-02

申请号：US8776

申请日：1979-02-02

Applicant: Giulio Monticelli

Inventor： Giulio Monticelli

IPC: F16B39/284 ,  F16B39/36

CPC classification number: F16B39/284

Abstract: Self-locking nut comprising an outer polygonal surface and a threaded hole defining a thread inner surface. Longitudinal slits are formed between said surfaces, defining resilient locking means, radially acting and restricting or narrowing the threaded hole of the nut at one end of the latter.

Abstract translation: 自锁螺母包括外多边形表面和限定螺纹内表面的螺纹孔。 纵向狭缝形成在所述表面之间，限定弹性锁定装置，径向作用并且限制或缩小螺母的螺纹孔的一端。

公开(公告)号：US4090544A

公开(公告)日：1978-05-23

申请号：US482470

申请日：1974-06-24

Applicant: Mansour A. H. Bagheri ,  Donald W. Stillman

Inventor： Mansour A. H. Bagheri ,  Donald W. Stillman

IPC: B23G9/00 ,  F16B35/04 ,  F16B37/12 ,  F16B39/284

CPC classification number: F16B39/284 ,  B23G9/00 ,  F16B35/041 ,  F16B37/122 ,  Y10S411/929

Abstract: An externally screw threaded fastener body is bored longitudinally to form a bore having a reduced inner axial portion and an outer axial portion of enlarged diameter and a noncircular mandrel is forced into the bore to expand the reduced inner portion thereof and thereby form at least one radially outwardly protruding lobe for local increase in the pitch diameter of the external screw thread. The fastener body may then again be drilled longitudinally, the final result being a fastener, at least a portion of which is tubular with a relatively thin resilient circumferential wall having at least one radially outward lobe.

Abstract translation: 外螺纹紧固件本体被纵向钻孔以形成具有减小的内轴向部分和扩大直径的外轴向部分的孔，并且非圆形心轴被迫进入孔中以使其缩小的内部部分膨胀，从而形成至少一个径向 向外突出的凸角，用于局部增加外螺纹的节径。 紧固件主体然后可以再次被纵向地钻孔，最终的结果是紧固件，其中至少一部分是具有相对薄的弹性圆周壁的管状，其具有至少一个径向向外的凸角。

公开(公告)号：US4044809A

公开(公告)日：1977-08-30

申请号：US658012

申请日：1976-02-13

Applicant: Nicolas Guerrico Echevarria

Inventor： Nicolas Guerrico Echevarria

IPC: F16B37/08 ,  F16B43/00 ,  F16B39/284 ,  F16B39/36

CPC classification number: F16B37/0864 ,  F16B43/001 ,  Y10S411/935 ,  Y10S411/947

Abstract: A tightening and sealing device is made from plastic material and includes two members which can be coupled to each other. The member acting as the tightening element includes an internally threaded hollow cylinder divided into three cylindrical segments by longitudinal and axial slots spaced from each other by 120.degree.. Each segment has extending outwardly from an end thereof and centered between adjacent slots a flexible leg. The legs are joined to the end of an outer body which is concentric with the cylinder and which is internally cylindrical and externally polygonal. The second member which acts as the sealing element is composed of a cap-shaped element having an axial bore and an annular flange dimensioned to fit into a space between the concentric bodies forming the tightening element.

Abstract translation: 紧固和密封装置由塑料材料制成并且包括可以彼此联接的两个构件。 作为紧固元件的构件包括通过彼此间隔120°的纵向和轴向狭槽分成三个圆柱形段的内螺纹中空圆柱体。 每个部分从其端部向外延伸并且在相邻狭槽之间居中并具有柔性支腿。 腿连接到与圆筒同心的外部主体的端部，并且其内部是圆柱形的并且在外部是多边形的。 作为密封元件的第二构件由具有轴向孔和环形凸缘的帽形元件组成，该凸缘的尺寸适于装配在形成紧固元件的同心体之间的空间中。

公开(公告)号：US4038714A

公开(公告)日：1977-08-02

申请号：US679820

申请日：1976-04-23

Applicant: Adalbert Werner

Inventor： Adalbert Werner

IPC: B21K1/70 ,  F16B39/284 ,  B21D53/24

CPC classification number: B21K1/707 ,  F16B39/284

Abstract: An improved locknut has a hexoganal body with a threaded central opening. The threaded central opening has noncircular lock thread convolutions with a reduced pich. Standard thread convolutions are disposed adjacent to the bottom of the opening to facilitate engagement with the mating thread. To form the lock thread convolutions, a hexagonal nut is moved through a nip between a pair of rotating externally toothed indenting wheels. As the nut passes through this nip, crest portions of the teeth on the indenting wheels move into engagement with opposite flat side surfaces of the nut body. As the nut body continues to move through the nip, the externally toothed wheels indent the nut body at spaced-apart locations. To promote accurate control of the axial extent of the lock thread convolutions, the external teeth on the indenting wheels have a tooth depth which is greater than the depth of the indentations formed in the opposite sides of the nut. This prevents deformation of the nut body by the root portions of the indenting teeth. The indenting teeth extend at an acute angle to the axis of rotation of the wheels to form the indentations with sloping inner surfaces.

Abstract translation: 改进的锁紧螺母具有带有中心孔的螺旋体。 带螺纹的中心开口具有非圆形锁螺纹卷绕，并具有减小的齿形。 标准螺纹卷绕件布置成与开口的底部相邻，以便于与配合螺纹接合。 为了形成锁螺纹卷积，六边形螺母通过一对旋转外齿形压痕轮之间的辊隙移动。 当螺母穿过该辊隙时，凹入轮上的齿的波峰部分与螺母体的相对的平坦侧表面接合。 当螺母体继续移动通过辊隙时，外齿轮将螺母体在间隔开的位置处压紧。 为了促进锁螺纹卷积的轴向范围的精确控制，压痕轮上的外齿的齿深度大于在螺母的相对侧形成的凹陷的深度。 这防止了由凹口的根部产生的螺母本体的变形。 凹入的齿与轮的旋转轴线呈锐角地延伸，以形成具有倾斜的内表面的压痕。

公开(公告)号：US3843984A

公开(公告)日：1974-10-29

申请号：US28874272

申请日：1972-09-13

Applicant: LONG LOK FASTENERS CORP

Inventor： BAGHERI M ,  STILLMAN D

IPC: B23G9/00 ,  F16B35/04 ,  F16B37/12 ,  F16B39/284

CPC classification number: B23G9/00 ,  F16B35/041 ,  F16B37/122 ,  F16B39/284 ,  Y10S411/929

Abstract: An externally screw threaded fastener body is bored longitudinally to form a bore having a reduced inner axial portion and an outer axial portion of enlarged diameter and a noncircular mandrel is forced into the bore to expand the reduced inner portion thereof and thereby form at least one radially outwardly protruding lobe for local increase in the pitch diameter of the external screw thread. The fastener body may then again be drilled longitudinally, the final result being a fastener, at least a portion of which is tubular with a relatively thin resilient circumferential wall having at least one radially outward lobe.

Abstract translation: 外螺纹紧固件本体被纵向钻孔以形成具有减小的内轴向部分和扩大直径的外轴向部分的孔，并且非圆形心轴被迫进入孔中以使其缩小的内部部分膨胀，从而形成至少一个径向 向外突出的凸角，用于局部增加外螺纹的节径。 紧固件主体然后可以再次被纵向地钻孔，最终的结果是紧固件，其中至少一部分是具有相对薄的弹性圆周壁的管状，其具有至少一个径向向外的凸角。

公开(公告)号：US3835906A

公开(公告)日：1974-09-17

申请号：US27228472

申请日：1972-07-17

Applicant: DIETLEIN R

Inventor： DIETLEIN R

IPC: F16B39/284

CPC classification number: F16B39/284 ,  Y10S411/965 ,  Y10T29/49865

Abstract: An insert assembly, for receiving and retaining a screw fastener, is adapted to be mounted by structure closely enveloping the assembly, and comprises: A. A METALLIC INSERT SLEEVE HAVING AN INTERIOR THREAD TO RECEIVE THE FASTENER THREAD, THE SLEEVE HAVING A WALL PORTION DEFORMED TOWARD THE BORE INTERIOR SO THAT THE SLEEVE THREAD DEVELOPS FRICTIONAL INTERFERENCE WITH THE FASTENER THREAD, AND B. A PLASTIC JACKET FITTING CLOSELY ABOUT THE SLEEVE AND OVER THE DEFORMED PORTION SO AS TO PROVIDE SPACE THEREBETWEEN FOR RESILIENT OUTWARD EXPANSION OF THE DEFORMED WALL PORTION IN RESPONSE TO ADVANCING RECEPTION OF THE FASTENER THREAD INTO THE SLEEVE THREAD AND DESPITE CLOSE ENVELOPMENT OF THE JACKET BY THE RETENTION STRUCTURE.

Abstract translation: 用于接收和保持螺钉紧固件的插入组件适于通过紧密地包围组件的结构来安装，并且包括：