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| Number | Title | Issue Date |
| 7226259 | Locking fastener assembly A locking fastener assembly comprising a nut and a washer. The nut and washer each have opposed load bearing surfaces which include a series of annularly extending, slightly inclined faces forming shallow undulations around each surface. The load bearing surface on ... | 06/05/2007 |
| 7056162 | Anti-loosening device for screw or nut An anti-loosening device for locking the head of a locking screw or nut, in particular for connection of an electrical terminal to a contact lug, wherein the device essentially comprises a plate having at least one catch element rotationally stationary in relation t... | 06/06/2006 |
| 6908254 | Cam nut adjustment apparatus and method An adjustment apparatus and method includes a sliding member and a cam for directing longitudinal movement of the sliding member relative to a stationary member. Assembly, adjustment, and tightening of the sliding member onto a stationary member can be achieved with... | 06/21/2005 |
| 4544312 | Pin and process for its manufacture A threaded pin has flutes along the threads formed by roll-forming threads over a preformed section having either flat sides or dished sides. The major diameter of the threads lies along ridge crests bordering the flutes, and the minor diameter of the thr... | 10/01/1985 |
| 4266591 | Locking connector A locking connector that includes a shaft snugly fitting within circular nings in at least one of the two members to be connected together. The shaft carries a threaded pin that is eccentric to the shaft axis; a nut is threaded onto the pin to complete t... | 05/12/1981 |
| 4260005 | Self-locking fastener, fastener system, and process A collar threads onto a shear pin. When the collar engages a surface of a workpiece, resistance to further threading increases. When sufficient resistance to threading occurs, a setting driver upsets lobes of the collar and forces these lobes radially inw... | 04/07/1981 |
| 4258768 | Fastener assembly An improved fastener assembly includes an externally threaded member or bolt having a thread convolution with a relatively long trailing flank surface and a relatively short leading flank surface. An internally threaded member or nut also has a thread con... | 03/31/1981 |
| 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 |
| 4005740 | Rotation resistant nut A rotation resistant nut having an internally threaded nut body and having a portion of the exterior surface of the nut body provided with an irregular configuration. The rotation resistant nut is adapted to be used as an insert-type nut and upon installa... | 02/01/1977 |
| 3989082 | Nut with asymmetric groove means A free spinning nut is formed with an asymmetric, double size recess in its bearing face. Also, I have discovered flutes in its side faces so as to enhance its holding capacity, particularly when used against softer material.... | 11/02/1976 |
