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| Number | Title | Issue Date |
| 7437976 | Positive auto-blocking nut ensemble and torqueing tool A blocking nut ensemble for positional placement on a threaded shaft comprises a first internally threaded nut for threading on a shaft and including a first abutting face having intermediate inner and outer sidewalls depending therefrom and defining an annular groo... | 10/21/2008 |
| 7338242 | Quick-connect fastener assembly A fastener assembly includes a washer element and a nut element. The nut element is split and includes a screw thread that threadably engages the thread of a bolt or other such fastener element to lock the nut to the bolt. The nut element is adapted by the split to ... | 03/04/2008 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 7101131 | Attachment system An attachment system for securing a rod member in a mounting opening of a constructional component (44; 74; 97) includes a receiving sleeve (5; 37; 64; 73; 93) for receiving the rod member (23; 40), and an actuation member (4; 35; 62; 72; 81;... | 09/05/2006 |
| 7014404 | Nut member with tightness-indicating protrusions and loosening-preventing recesses A nut member has first and second end faces and corners, and is formed with a plurality of protrusions, each of which is disposed at a respective corner and each of which has a lateral inner face that extends from the second end face, and a plurality of recesses, ea... | 03/21/2006 |
| 7011584 | Self-attaching female fasteners and method of forming female fastener elements A method of forming a female fastener including rolling a body portion strip having a midportion and flange portions on opposed sides of the midportion, piercing spaced openings through the midportion, cutting the strip to length between the openings, cold forming a... | 03/14/2006 |
| 6257815 | Lock structure using nut A lock structure, in which a nut member is screwed on a threaded portion formed in a shaft member in the axial direction and in which a fixed member fitted on the shaft member is thrust in the axial direction and fixed by the nut member. The lock structur... | 07/10/2001 |
| 6244806 | Locking washer and locking apparatus using the same A locking apparatus includes an inner ring having a tapered outer shape and permitting a bolt of a fastener, with which construction elements are fastened, to pass therethrough, an outer plate formed with a tapered bore which receives the inner ring, a co... | 06/12/2001 |
| 6113329 | Lock nut This invention relates to a lock nut in which, when a double nut is fastened against a bolt, projections at the lock nut are deformed and crushed to be applied around the threaded part of the bolt and a frictional force is increased to improve an effect o... | 09/05/2000 |
| 6027294 | Double nut thread friction locking safety cap device with opposing threads with a captured spring or spring lock washer A double nut thread friction locking safety cap device assembly consisting of several components, which are so constructed and assembled to resist the rotational effects of external forces. The resistance is achieved by the use and placement of opposing t... | 02/22/2000 |
| 5954467 | Method and apparatus for anchor bolt reinforcement An apparatus for attaching an item to a floor comprising an anchor bolt, an anchor nut, and an annular collar comprising an upper annular outer ring, a lower annular ring, and an annular side wall connecting the rings, the annular collar held in place ove... | 09/21/1999 |
| 5544991 | Locking frustrum nut A two-piece locking nut which includes a first nut (22) having an internal thread and a frusto-conical surface (32) at one end of said first nut, a second nut (28) having an internal thread of opposite hand as the thread of said first nut and a frusto-con... | 08/13/1996 |
| 5511814 | Trailer ball lock apparatus A trailer ball lock apparatus includes an externally threaded connecting bolt member which has a longitudinal axis and which includes a first longitudinal slot. A ball assembly includes an internally threaded, longitudinally oriented, connecting-bolt-rece... | 04/30/1996 |
| 5447398 | Fixing means A nut includes a first half having a short shank with an internal screw thread therethrough and an external screw thread thereon and a second half with a threaded bore. The internal screw thread of the first half has a first pitch while the external screw... | 09/05/1995 |
| 5439398 | Transistor mounting clamp assembly A transistor mounting clamp assembly for ensuring reliable electrical connection of a power transistor electrical connector tab (typically the collector tab) to a metallized portion of an associated printed circuit board. The transistor mounting clamp ass... | 08/08/1995 |
| 5248232 | Fixing means The nut includes a first half having a short shank with an internal screw thread therethrough and an external screw thread on the short shank and a second half with a threaded bore. The internal thread has a first pitch and the external thread has a secon... | 09/28/1993 |
| 5131796 | Security fastener for threaded objects An improved fastener is provided for mounting an object to a base, wherein the object has a threaded shaft extending through a hole in the base. The fastener includes a collar having a side wall, a first end with a threaded aperture for receipt on the sha... | 07/21/1992 |
| 4936727 | Locking nut A locking nut is disclosed for locking engagement with an element such as a bolt, rod, stud or the like, the element having a cylindrical screw-threaded outer surface. The locking nut includes a main nut having a thread for engaging the cylindrical screw-... | 06/26/1990 |
| 4909689 | Double locknut assembly Provided is a double locknut assembly composed of a first nut and a second nut for fastening the first nut onto a bolt, wherein the above-mentioned first nut is formed therein with a bolt hole formed therein with a female screw thread threaded to engage w... | 03/20/1990 |
| 4826376 | Lock nut and method for making same A lock nut arrangement formed of a first and second generally C-shaped nut member which are joined together in a manner allowing limited axial movement and free rotation relative to one another about the axis were two members were initially threaded to ce... | 05/02/1989 |
| 4729703 | Double nut A double nut comprising a locking nut body having a threaded axial bore, the locking nut body being formed with a recess defined by an annular internal surface and arranged in communication with the axial bore, a tightening nut body having a threaded axia... | 03/08/1988 |
| 4692078 | Nut device having automatic positive locking The device has a screwthreaded collar 9 constituting a brake and trapped in a cavity 5 of a nut 2 with respect to which it is connected to rotate and axially movable in the cavity between an internally first position in which its screwthread 12 is in phas... | 09/08/1987 |
| 4588163 | Valve stem travel limiting apparatus A stem travel limiting apparatus provides a relatively tamper proof limit setting device for an adjustable valve stem. In a preferred embodiment, an internally threaded annular collar is positioned about an externally matingly threaded stem, the collar ha... | 05/13/1986 |
| 4378187 | Quick-acting nut assembly A multifaceted nut casing has a wedge fit threaded jam nut for compressing into engagement on the threads of a bolt as the nut is tightened into a locked position.... | 03/29/1983 |
