Class 411/277 - Radially inward distortion

Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the internally threaded element is deformed
No. of patents: 36
Last issue date: 01/03/2012

Number	Title	Issue Date
8087863	Screw nut, method of production thereof and corresponding tool A screw nut from a metal material, which comprises a tapped hole and an inner groove which radially extends in relation to the longitudinal axis thereof. An annular collar is formed onto one of the faces of the screw nut and its cross-section is bent in the directio...	01/03/2012
7284939	Fastener with tightening structure A tightening structure for locking, comprises a nut, a bolt, and a washer with a hole through which an axis of the bolt passes. To enable the structure to lock more firmly, a recessed part symmetrical with respect to an axis, and having a generally trapezoidal shape...	10/23/2007
7246979	Multi-pitch screw, multi-pitch nut, feed screw device using the screw and nut, and method of producing the nut A flat portion 12a and a slope portion 12b are provided on a thread 12 of a multi-pitch screw 10 alternately. The flat portion and the slope portion are provided on the thread of a multi-pitch nut which fastens with this. Co...	07/24/2007
7194468	Apparatus and a method for supplying information An apparatus with a first receiver for receiving changing information relating to a plurality of different sets of data such as financial data and a second receiver for receiving the changing information in synchronism with the first receiver. A data base is provide...	03/20/2007
7179036	Fastening arrangement employing thread-forming screw A fastening arrangement comprising a thread-forming lobular screw and a member defining a non-tapped pilot hole therein. The screw has a shaft and a head joined to a proximal end of the shaft, the shaft defining a plurality N of lobes circumferentially spaced about ...	02/20/2007
7128514	Adjustable and reusable stud bolt retainer A clip has a retainer for securing the clip and a wire harness to a bolt protruding from a vehicle surface. The retainer includes a beam having an aperture with an inner wall. The aperture receives the bolt. A flange projects into the aperture from the wall. An open...	10/31/2006
7011481	Securing nut including a nut body and straining ring The present invention concerns a securing nut (1) with a nut body (5) and a straining ring (4) that is arranged on the nut body (5) and able to turn, the straining ring (4) being shoved onto a neck (2) of the nut body (5	03/14/2006
6994499	Device for fastening tubular objects A device for fastening tubular objects includes a C-shaped mounting rail (3) and a rail nut formed of a hollow profile having at least two constriction areas (13a, 13b and 14a, 14b) defining a through-op...	02/07/2006
6935636	Arrangement for the detachable mounting of a rotatable tool on a drive shaft Rotatable tool coupled to support body, and drive shaft detachably mounted to rotatable tool, such that rotatable tool is drivable in a working direction, in which support body includes an inlet opening defined by at least three eccentric segments and drive shaft in...	08/30/2005
6916248	Flexible coupling Flexible couplings are provided comprising a male member disposed within a female member in a spaced apart configuration, with the space being filled, at least partially, with an elastically deformable material. The male and female members comprise features that pre...	07/12/2005
6386808	Structure of internal thread portion for preventing looseness and method of producing the same It is an object of the invention to provide a structure of an internal thread portion for preventing looseness which structure allows a reduction in the torque required for the threaded engagement with an external-thread member and prevents a seizure. An ...	05/14/2002
6364588	Nut having corrugated thread It is an object of the invention to provide a structure of an internal thread portion for preventing looseness which structure allows a reduction in the torque required for the threaded engagement with an external-thread member and prevents a seizure. An ...	04/02/2002
6276884	Sealed threaded pairing of two threaded parts with sealing compound therebetween The invention relates to a threaded pairing, consisting of the assigned threaded parts, for the transmission of axial forces, where the screw thread (5) is filled with the sealing compound (6). The task is to create an axially positionable threaded pairin...	08/21/2001
6132153	Zero on prevailing torque nut A lock nut having a body member with a threaded axial bore and a washer having an axial opening coupled to a bottom end portion thereof so that the opening of the washer is aligned substantially with the threaded axial bore. The washer has one or more fin...	10/17/2000
6050764	Measuring device having a cylindrical connection piece and a fastening collar therearound A measuring device is provided, having a cylindrical connection piece (1), having a collar (2) which engages around at least one section of the connection piece (1) and is to be fastened at a measuring location, having a restraining means, by which the co...	04/18/2000
5915902	Undeformed lock nut with slot A lock nut threadably engageable and lockingly retainable about a threaded shaft extending through a workpiece, the lock nut having at least one deformable slot disposed on a side portion thereof and disposed transversely relative to the lock nut bore axi...	06/29/1999
5827027	Nut free from inadvertent loosening and a method of making same A nut free from inadvertent loosening has an annular lug with a plurality of generally upright grooves formed in an outer peripheral surface of the annular lug at angular intervals so as to divide the annular lug into a plurality of wall segments. Each wa...	10/27/1998
5702217	Braking nuts or screws and mountings obtained with same devices Screw or nut braking rings and mountings established with the rings include a nut having an upper portion hollowed from a circular throat. Slits divide the upper portion into blocks by cutting the throat. A shape-memory alloy ring is housed in the throat ...	12/30/1997
5528951	Linear actuator using a screw mechanism A linear actuator using a screw mechanism is provided which can be made free from play and can operate in a smooth fashion without involving any unacceptably rigorous tolerance control. An external thread of a screw rod is in threading engagement with an ...	06/25/1996
5123793	Tapered locking nut A locking nut is provided by forming a straight cylindrical bore through a body, forming a tap with uniform teeth, the tips of which taper at a shallow angle toward one end of the tap, and tapping said bore with said tap so as to produce a thread having a...	06/23/1992
5092726	Self-locking fastener, fastener system, and process Wrenching lobes of an internally threaded nut are separated by circumferential, tapered walls so that the lobes and contiguous portions of the walls deform in radial compression upon reaching a predetermined preload and displace radially inwardly while th...	03/03/1992
5033924	Lock nut having a deformablel threaded bore An improved lock nut of the kind having a deformable section at one end, with a generally elliptical cross-section. The deformable section has a maximum radial thickness in the region of the ellipse's minor axis, to provide a desired degree of frictional ...	07/23/1991
5011352	Deflection type thread lock for a threaded fastener A fastener includes a threaded pin and an internally threaded collar. The threads can freely be run without impediment during tightening. After the fastener is tightened, a tool engages a shoulder on the collar and presses a deflector against the collar o...	04/30/1991
4759237	Self-locking nut and tightening tool A self-locking nut is provided having, at its periphery, a number of longitudinal channels (3) with semi-circular section intended to cooperate with drive balls carried by an appropriate tightening tool, said balls causing, at the end of tightening, the f...	07/26/1988
4682520	Mechanically lockable fastener assembly Disclosed is a mechanically lockable fastener assembly for maintaining workpieces assembled, when an elongated bolt with threads formed along a length thereof, and substantially axially aligned rotation resisting surfaces formed along another length there...	07/28/1987
4254809	Two-piece rivet A two-piece rivet assembly comprising a shank member and a collar. The shank member includes a head, a cylindrical shank, and a helical thread with a substantially constant pitch, but with a crest diameter which decreases as it extends away from a maximum...	03/10/1981
4122681	Mine roof support assembly A support assembly for a mine roof, or the like, including a bolt carrying a support plate for engagement with the roof surface, an internally threaded cylindrical collar, and an elongated bar. The bar and bolt are threaded into opposite ends of the colla...	10/31/1978
4069854	Locknut with segmental locking elements There is disclosed locknut construction comprising a nut of form and size similar to a usual nut which includes a nut body and locking section integral therewith, said section including segments extending angularly, radially, inwardly, which are of pre-de...	01/24/1978
4043369	Edge deformable lock nut A lock nut, which is relatively free running as it is screwed onto a male threaded member, provides a two-way locking action as it is tightened to abutment with a confronting load bearing surface, with the result that a breakaway torque that is a high per...	08/23/1977
4040462	Fasteners having threads formed of essentially helical coil structures A threaded nut having a case containing a separately formed essentially helical coil structure which forms an internal thread and is fusion bonded to the case, preferably by electron beam welding. The coil structure desirably has a locking portion which i...	08/09/1977
4024899	Lock nut and bolt construction A semi-friction and interlocking operative association is provided between a threaded shank portion and a nut or similar device threadly engaged thereon whereby unwanted accidental loosening of the shank portion and the nut will not occur. The apex or cre...	05/24/1977
4004626	Self-sealing, self-locking threaded fastener A self-sealing, self-locking nut in which the nut body includes an annular recess within which there is located an annular member of resilient sealing and locking material, such as a fluoroplastic, and compression-retention means integral with the nut bod...	01/25/1977
3975788	Method of forming a threaded female fastener The invention described herein relates to a method of making a threaded nut fastener which joins with a threaded male or screw fastener wherein the threads of the nut are partially formed so as to provide for up to 80% thread-to-thread engagement of the s...	08/24/1976
3972361	Threaded fastener A vibration resistant fastener such as a screw or bolt provided with a series of serrations on the load bearing flank of the thread of a screw or bolt so that the serrations will bear on the pressure flank of a mating thread. Each serration is formed with...	08/03/1976
3971085	Lock nut A lock nut blank and a method of making a lock nut having a portion only of its threads, and not more than three complete threads, compressed axially and not radially so as to engage a mating bolt with sufficient resilient force to provide substantial tor...	07/27/1976
3938209	Formation of fasteners having threads formed of coil structures The method of manufacturing a threaded nut having a case containing a separately formed essentially helical coil structure which forms an internal thread and is fusion bonded to the case, preferably by electron beam welding. The coil structure desirably h...	02/17/1976

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Class 411/277 - Radially inward distortion