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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7220091 | Fastening nuts with loosening assist functions A fastening nut includes an operation member, a female threaded member, and a control device. The operation member is operable by an operator to rotate in a fastening direction and a loosening direction. The control device is coupled between the operation member and... | 05/22/2007 |
| 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 |
| 6994503 | Quick-lock nut for a disc-like tool A quick lock nut (1) for positive friction locking securement of a disc-like tool (2) to an external thread (3) on a working spindle (4) driven about an axis of rotation (A), having an associated inner threaded part (5) and a manua... | 02/07/2006 |
| 6685413 | Connection element for connecting a bolt-supported part with the supporting bolt A connection element for a bolt and having a bolt-receiving member (1) the bore of which has a cylindrical receiving region (4) and a tapering, at least sectionally, in a direction opposite to an insertion direction (A) of the bolt (2), region (7) that ad... | 02/03/2004 |
| 6652209 | Connection element A connection element for a bolt (2, 26) including a member (1, 27) for receiving the bolt (2, 26) and having a bore (4) through which the bolt (2, 26) extends, a spring (3) located in the bore (4) of the receiving member (1) for locking the bolt (2, 26) t... | 11/25/2003 |
| 6416268 | Mechanical fastening apparatus A taper nut retention device mechanically fastens a plurality of pressure reduction disks. A cage end member at one end of the stacked disks has a series of counterbores, each aligned with respective mounting holes in each disk. A second cage end member a... | 07/09/2002 |
| 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 |
| 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 |
| 5980176 | Nut structure having anchor pin blocking split sleeve against rotation in nut body A nut device which comprises a hollow body structure having a side wall, end walls, and a tapered bore, the body structure defining a longitudinal axis; a sleeve extending in the body substantially coaxially therewith, the sleeve having a longitudinally e... | 11/09/1999 |
| 5387239 | Adjustable length prosthetic implant An adjustable length prosthetic implant includes an implant body and an axially received stem. The stem has a threaded portion and an end portion adapted for mounting with a bone. The implant body includes an end portion adapted for mounting with a bone a... | 02/07/1995 |
| 5381606 | Aeration devices and methods A bin aeration device includes a skirt mounted to a bin wall by a stem including an exterior surface with a first portion having straight American National Standard pipe threads. A second portion on the exterior surface includes American National Standard... | 01/17/1995 |
| 4864884 | Ball nut and means for attaching a mounting flange thereto A ball nut having a ball return tube is formed with an externally threaded stud for supporting a mounting flange which is adapted to be screwed onto the stud. Angularly spaced segments of resiliently compressible wire are seated in an annular groove in on... | 09/12/1989 |
| 4842485 | Balanced turbine rotor and method for making the same A balanced turbine rotor has a cylindrical member with a pair of opposed end shafts and an enlarged central portion, the enlarged central portion having first and second faces, with a circular groove formed in at least one of the faces and expandable weig... | 06/27/1989 |
| 4369012 | Device for tightening or blocking of an object on a rod An element adapted to engage a rod is composed of a tough synthetic-resin material and is tubular so as to receive the rod. Relatively long slots opening at one end of the element are aligned with relatively short slots opening at the opposite end of the ... | 01/18/1983 |
| 4244607 | Cylindrical threaded connection A cylindrical threaded connector is provided with a small amount of taper to produce a controlled radial interference to prevent inadvertent thread disengagement. The threaded connector is especially suited for use with radial clearance cylindrical thread... | 01/13/1981 |
| 4172606 | Fluid conduit connector Plastic pad at center of concave bevel of each semicircular segment maintains lateral and axial alignment when segments spread apart by pipe. In another special configuration, inside and outside segments are offset semicircles, with a greater dimension ac... | 10/30/1979 |
