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| Number | Title | Issue Date |
| 7329077 | Fastener apparatus for roofing and steel building construction A fastener apparatus includes a frusto-hemispherical head portion having a flat top surface, a curved outer surface, a base portion, and a peripheral edge, with the flat top surface bearing a tool fitting. A downwardly-depending lip portion extends from the head per... | 02/12/2008 |
| 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 |
| 6979158 | Cage nut assembly having a stand-off nut A cage nut assembly includes a nut and a cage wrapped therearound. The nut has a number of stand-offs or protrusions provided on a lower surface thereof such that the stand-offs are the only part of the nut which are in contact with the cage. The stand-offs reduce t... | 12/27/2005 |
| 6971830 | Device comprising a saddle for the fixing of a part to a panel Device for the fixing of a part to a panel equipped with a drilling, such device comprising a saddle with two facing arms drilled with coaxial holes one, of which has a shank forming a nut. The arms being able to be placed on either side of the panel with their hole... | 12/06/2005 |
| 6908270 | Self-locking bolt A self-locking bolt has a head with a bearing surface and a threaded part extending from the bearing surface and provided with an external thread of a pitch P for fastening to a first member when the head and threaded part are rotated in a fastening direction. There... | 06/21/2005 |
| 6832869 | Hooked shaft fastening device A fastening device is disclosed, which has a slotted shaft, a hooking mechanism coupled to the shaft and adapted to couple the shaft to a supporting structure. The hooking mechanism deploys to an operational position from the end of the slotted shaft and is adapted ... | 12/21/2004 |
| 5840078 | Method and apparatus for mechanical attachment of soft tissue to bone tissue Presented is a metallic cannulated rivet adapted for implantation in a bone mass through use of arthroscopic or open surgery for attachment of soft tissue thereto. The rivet in a first configuration is implanted, following which, a portion of the implante... | 11/24/1998 |
| 5618144 | Tee-nut with enlarged barrel end A tee-nut comprises a flange head, a plurality of prongs extending from the flange head, and a hollow barrel extending from the flange head. The hollow barrel has an internally threaded portion provided at one end of the barrel connecting to the flange he... | 04/08/1997 |
| 5482418 | Self-drilling anchor A self-drilling anchor installable in a wall by means of a screwdriver, the anchor being adapted to receive a threaded fastener serving to hold a fixture against the wall. The anchor includes an externally-threaded shank section having a head engageable b... | 01/09/1996 |
| 5423646 | U-nut A U-nut that is adapted for use with a stand-off fastener to prevent excessive loads on a panel comprises two legs and a joining portion therebetween and an aligned threaded barrel and aperture in the legs. A resilient spring finger follows the contours o... | 06/13/1995 |
| 4813833 | Threaded fastener having jacketed head A metal threaded fastener is disclosed for use in outdoor or other environments where fastener rust or corrosion are to be discouraged. The fastener includes a metal head adapted for engagement with a torque wrench or the like. The head is covered by a po... | 03/21/1989 |
| 4808050 | Vibration resistant fasteners A self-locking fastener having a bearing surface comprising a plurality of sets of serrations arranged to penetrate a workpiece such that, while a resistance to the loosening of the fastener from the workpiece is created, the marring of the workpiece surf... | 02/28/1989 |
| 4516893 | Sheet metal screw A rotary fastener for use in attaching sheet metal or attaching articles to sheet metal. The fastener has a serrated helical ramp forged in the undersurface of the head during the heading operation. The serrations have generally radially oriented surfaces... | 05/14/1985 |
| 3967669 | Clinch type fastener A self-clinching fastener and method of engagement thereof with an aperture section of sheeted material. The fastener includes a shank portion and an enlarged head, said shank portion having a tapered extruding section thereon of larger diameter than the ... | 07/06/1976 |
