In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7370868 | Cam bolt assembly A cam bolt assembly for use in a vehicle's suspension system. The cam bolt assembly is used to adjust the vehicle's wheel alignment. The assembly has a threaded fastener defining a pair of longitudinal channels, a first cam plate is coupled to the threaded bolt, a s... | 05/13/2008 |
| 7211086 | Locking device for securing a rod-shaped element in a holding element connected to a shank A locking device is provided for securing a rod in a receiving part, in particular a polyaxial bone screw. The locking device has a sleeve-type element with a cylindrical outer face and is dimensioned such that the element is displaceable between the legs of the rec... | 05/01/2007 |
| 7097402 | Lock nut A lock nut comprising a solid nut body having a flange, from which a neck projection extends axially, being provided at its end surface with an annular shroud, from which at least two claws extend radially. ... | 08/29/2006 |
| 6905500 | Bone fixation apparatus Disclosed is a bone fixation apparatus. This device comprises a bone screw having a head; a cap member placed on an upper part of the head of the bone screw; a receiver member having a bore in which the cap member and the head of the bone screw are respectively acco... | 06/14/2005 |
| 6711801 | Method of assembling a fastener assembly and of securing a fastener assembly The present invention in accordance with one embodiment provides a method for securing a threaded fastener to an object having a surface, the method comprising the steps of: (a) defining in the object with an inner wall a threaded hole, a bore contiguous with the th... | 03/30/2004 |
| 6058660 | Portable garage A portable garage assembly includes a floor member formed of three foldable sections having a plurality of peripherally disposed indentions on its upper surface. Received within its indentions are vertical support members that are secured thereto with qui... | 05/09/2000 |
| 5676510 | Plate for anchoring components to a sheet metal structure An anchor plate (1A) has threaded sleeves (2) for mounting equipment to a sheet metal structure (5). The plate and metal structure (5) are configured to conform to one another on assembly for structure reinforcement. An elastic tongue (10, 16) integral wi... | 10/14/1997 |
| 5499893 | Flexible lock nut and method of manufacturing A low profile lock nut for receiving a threaded bolt therein including a body portion having a threaded axial bore extending therethrough with first and second opposite ends, a crown member for providing a predetermined degree of flexibility, at least in ... | 03/19/1996 |
| 5348432 | Tee nut In order to prevent a flange of a tee nut which is moved along a feed track from overlapping with that of another tee nut so that the tee nut can be smoothly fed along the feed track, the flange is an octagon having linear sides coupling paired the two pa... | 09/20/1994 |
| 5302067 | Prevailing torque fastener A prevailing torque fastener has a portion of the internal thread deformed from a circular cross-section to an approximately elliptical cross-section by a pair of die impressions on diametrically opposed sides of the exterior of the body. Each die impress... | 04/12/1994 |
| 5143499 | Deformable cylinder locknut A temperature-sensitive, deformable cylinder locknut for use in high temperature applications associated with the operation of a gas turbine engine provides a secure fastener lock which resists torsional and vibrational stresses which may otherwise act to... | 09/01/1992 |
| 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 |
| 4890965 | Fastener with relieved thread section ends A lock nut has locking members with internal thread segments formed between slots, the segment ends being relieved to prevent galling; also, the members are deformed so that thread segments therein extend along generally circular arcs that have axes offse... | 01/02/1990 |
| 4796581 | Centrifugal rpm governor for internal combustion engines The governor includes a torque-control capsule actuated by a governor member that adjusts in accordance with rpm and disposed in a force-transmitting member subject to the force of a governor spring, by means of which torque-control capsule both the onset... | 01/10/1989 |
| 4794899 | Correction spring capsule for injection devices of internal combustion engines A correction spring capsule which has a stop bolt inserted in a stepped longitudinal bore of a housing embodied as a screw sheath, a correction spring and an adjusting screw, which forms the abutment for the correction spring. This adjusting screw has the... | 01/03/1989 |
| 4790703 | Prevailing torque fastener assembly A tri-lobular section of a bolt receives a mating tri-lobular bore of a washer to prevent the washer from rotating. Roll formed male threads on the tri-lobular section of the bolt receive a cooperating nut. The nut has a base shaped for wrench engagement,... | 12/13/1988 |
| 4743170 | Slide valve position indicator and magnetic coupler Movement in a pressurized environment is transmitted to a non-pressurized environment by means of a strong magnetic coupling whereby linear movement of a magnet in a pressurized environment causes linear movement of a surrounding magnet which is in a non-... | 05/10/1988 |
| 4699552 | Blind fastener A three piece blind fastener of the kind comprising a tubular nut having a head at one end and a tapered nose at the other end, an expansible sleeve, and a headed bolt threadedly engaged with the nut for forcing the sleeve on to the nose of the nut to for... | 10/13/1987 |
| 4381163 | Self-locking nut A prevailing torque type self-locking nut has an internal aperture provided with wedge ramp type threads, the aperture being tapered in cross section adjacent the top of the nut.... | 04/26/1983 |
| 4291737 | Prevailing torque lock nut and method of forming same A tri-lobular, all metal, prevailing torque nut is disclosed providing a cone having three locking sections, each of which extends around the threaded opening for about one-third of the surface of its thread. Each locking section provides a minimum radial... | 09/29/1981 |
| 3952785 | Locknut An improved locknut has a hexoganal body with a threaded central opening. The threaded central opening has noncircular lock thread convolutions with a reduced pitch. Standard thread convolutions are disposed adjacent to the bottom of the opening to facili... | 04/27/1976 |