William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7338247 | Quick release fastener A releasable fastener for releasably engaging a bolt body has a generally cylindrical sleeve member having an inner surface closely spaced from an outer surface of the bolt body. A latch member having a contact surface is mounted on the sleeve member for movement be... | 03/04/2008 |
| 7330355 | Fixed pillar with heat loss A fixed pillar with heat loss is a fixed pillar for losing heat. The fixed pillar with heat loss includes a metal body, a screw thread and a plurality of grooves. The metal body is a hollow body. The plurality of grooves is respectively set on two sides of the metal... | 02/12/2008 |
| 7316533 | Fastener for exerting tightening torque to fastening member screwed into mounting base An object of the present invention is to provide a fastener made compact on the whole and capable of producing a strong fastening strength. To attain the object according to the invention, there is provided a fastener for being fitted to a fastening member (B) while... | 01/08/2008 |
| 7165925 | Self adjusting, high strength, screw system A fastener system and method of inserting it, that includes a screw or bolt having two interleaved helical threads, which brackets or forms a groove for a helicoil. The helicoil expands and torques by various means to maintain hold and purchase between the screw coi... | 01/23/2007 |
| 6883998 | Connector A connector for connecting elongate members, such as pile sections, in an end-to-end relationship. A housing is fitted to each end of a reinforcing bar in the elongate member. The housing has a first attachment socket at one end, the first attachment socket having a... | 04/26/2005 |
| 6880295 | Snap lock device for hingedly securing an extension to a downspout A snap lock device is disclosed for hingedly securing an extension to a downspout. The device includes a first member having a head and a shank extending from the head. The shank extends through a first hole defined by the extension and through a second hole defined... | 04/19/2005 |
| 6808348 | Lock nut member A threaded locking beam nut having a plurality of locking beams configured such that the inside edge surface of each locking beam has a radially inwardly angled surface thereby forming substantially a V-shaped channel between adjacent beams. ... | 10/26/2004 |
| 6517543 | Bone connector system with anti-rotational feature A bone connector system includes first and second connector members, at least one and preferably both, of which carries an external bone screw thread to permit securance within a bone. One of the connector members defines a boss having an outer end with a... | 02/11/2003 |
| 6454504 | Self-locking internally threaded fastener and method of manufacture The present invention is directed to an internally threaded prevailing-torque type self-locking fastener which employs a patch of fused thermoplastic material as the locking element and which satisfies the functional torque requirements of both IFI 100/10... | 09/24/2002 |
| 6371707 | Assembly system comprising a fastening bolt and method for creating an assembly system The subject matter of the invention relates to an assembly system with fastening stud as well as to a method of forming an assembly system. The assembly system comprises a fastening stud (1) and an assembly part (20) mounted on the fastening stud (1). The... | 04/16/2002 |
| 6276883 | Self adjusting screw system A fastener system includes a screw or bolt which can be attached in a helicoil. The helicoil expands and torques by various means to maintain hold and purchase between the screw coil combination and the substrate into which the screw and helicoil are inse... | 08/21/2001 |
| 6241442 | Fastening means for forming a welded joint between a fastening means and a structure To form a welded joint between a fastening means (1) and a structure (2), a fastening means (1) with a holder (3) and a connecting element (4) is proposed. The holder (3) essentially consists of an electrically insulating material. The connecting element ... | 06/05/2001 |
| 6210091 | Lock nut A lock nut for engagement with a thread of a bolt, in which a thread block is arranged in the body thereof for engaging with the thread of the bolt and is made eccentric with respect to the axis of the nut body so that an initial tightening force of the n... | 04/03/2001 |
| 6168361 | Locknut A locknut according comprises a C-shaped nut with a radial gap cut through one side. The locknut functionality is provided by making the threads of the nut undersize, by deforming the C-shape inward such that the internal threads are out of round until th... | 01/02/2001 |
| 6017136 | Adjusting apparatus for automotive lamps An adjusting apparatus for the reflector in an automotive lamp assembly has a screw, a mounting clip for mounting the adjusting apparatus to the reflector, and a retainer clip for positioning the adjusting apparatus such that it can properly adjust the re... | 01/25/2000 |
| 5988965 | Locking fastener A quick-operating locking fastener assembly for use in connecting members together, the fastener assembly comprising a fastener having a threaded shank, and a lock nut assembly receivable on the shank. The lock nut assembly includes a retainer having a pa... | 11/23/1999 |
| 5947669 | Mounting system with a fastening stud and a mounting part applied thereto The invention relates to a mounting system with a fastening stud and a mounting part which can be applied to the fastening stud and has a receiving space for receiving the fastening stud, wherein the internal surface of the receiving space and the externa... | 09/07/1999 |
| 5842822 | Removable quasi-ratchet fastener The new fastener has a shank which is resiliently compressible along an axis perpendicular to the shank push-in axis and has teeth protruding from the shank along the axis of resilient compressibility. The teeth are inclined in the push-in direction and i... | 12/01/1998 |
| 5829936 | Flush-mounted plug for filling a threaded hole A resin flush-mounted plug (11) for insertion into an internally threaded hole (1) with a countersink (2) formed in a pallet of a machine tool has a head (12) for filling the countersink (2) of the threaded hole (1) and a pair of legs (13) formed integral... | 11/03/1998 |
| 5779413 | Fastener system having improved locking element A fastening system comprising a bolt having a threaded shaft portion with a major thread diameter and a member having an aperture formed therein, said aperture being threaded over a portion thereof, a locking element having a preformed thread configuratio... | 07/14/1998 |
| 5741102 | Removable quasi-ratchet fastener The new fastener has a shank which is resiliently compressible along an axis perpendicular to the shank push-in axis and has teeth protruding from the shank along the axis of resilient compressibility. The teeth are inclined in the push-in direction and i... | 04/21/1998 |
| 5736912 | Dielectric resonator frequency adjusting mechanism with a resin layer A frequency adjustment mechanism for a dielectric resonator in which a change of a unloaded Q is small by adjustment of a resonating frequency, a tuning rod may be stably fixed in place after the adjustment without using any adhesives or the like and it i... | 04/07/1998 |
| 5627610 | Self-locking nut for eye glasses having an unthreaded hole with vertical channels A self-locking nut for eye glasses excellent in assembling efficiency into which a male screw is fitted to secure a material between the head of the male screw and the self-locking nut itself, comprising a first member having a female thread portion forme... | 05/06/1997 |
| 5586854 | Connector fastening nut and bolt-nut fastened connector A connector fastening nut for a bolt-nut fastened connector comprises: a nut member (A, B, C, D) fixed to a first connector housing (M) and formed with a female threaded portion (1) engaged with a male threaded portion (5) of a fastening bolt (4) fitted t... | 12/24/1996 |
| 5538380 | Metallic nut for use with ceramic threads A nozzle guide vane assembly has ceramic components therein having a conventional thread thereon including a preestablished pitch and having a preestablished rate of thermal expansion. The nozzle guide vane assembly has a metallic components therein havin... | 07/23/1996 |
| 5482417 | Cam and wedge-type self-locking mechanism The present invention entails a self-locking mechanism (10) for locking a rotatable member such as a screw, bolt, lock rod, etc. In the case of a lock rod (50) that secures a tool holder (126) within a tool block (122), the self-locking mechanism (10) of ... | 01/09/1996 |
| 5362185 | Device for positioning components An arrangement for positioning components such as die or mold plates in shaping machinery, in which a positioning element is inserted into matching bores in the components to be positioned. The positioning element or device is provided with a cylindrical ... | 11/08/1994 |
| 5312214 | Securing devices A spiral member for improving the grip of screws in wooden or other receptive substrates is disclosed. The spiral member has a central axial drive pin by which it can be driven into a thread in the receptive substrate, and it has an improved cross section... | 05/17/1994 |
| 5292217 | Quick fastener Disclosed is a quick fastening quick releasing nut-and-bolt assembly in which the bolt has finger elements disposed along the bolt's longitudinal axis. The finger elements have sets of accurate thread segments matable with complimentary sets of radially i... | 03/08/1994 |
| 5176483 | Detachment lock for a bolt connection A threaded connection structure for rotatably connecting and disconnecting adjoining members including a female member having annular internal pitched threads and a male member for threading into the female member having outer threads complemental to the ... | 01/05/1993 |
| 5169270 | Compressible screw-type locking mechanism The present invention relates to a compressible screw-type locking mechanism including an oversized locking screw and a tool for compressing and rotatively driving the oversized locking screw through a threaded bore. Formed about the top of the locking sc... | 12/08/1992 |
| 5160227 | Self-locking nut In a self-locking nut including a threaded upper collar equipped with longitudinal slots in U-shape defining in collar a plurality of circular arc segments compressed by a helical external spring, the spring is subjected to a hot-galvanizing treatment and... | 11/03/1992 |
| 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 |
| 5133631 | Self-locking threaded fastener This invention provides a temperature responsive self-locking fastener which includes a threaded shank and a threaded mating element both having approximately equal coefficients of thermal expansion and a temperature responsive locking member having a coe... | 07/28/1992 |
| 5131690 | Self-locking connector A self-locking connector comprising first and second tubular fittings, the first fitting having an annular ramp and a threaded end adjacent to the ramp, and the second fitting having an annular shoulder adjacent to one of its ends. A nut is rotatably moun... | 07/21/1992 |
| 5123793 | Tapered locking nut A locking nut is provided by forming a straight cylindrical bore through a body, forming a tap with uniform teeth, the tips of which taper at a shallow angle toward one end of the tap, and tapping said bore with said tap so as to produce a thread having a... | 06/23/1992 |
| 5078562 | Self-locking threaded fastening arrangement A self-locking fastening arrangement includes a member having a substantially planar surface intersected by a blind threaded bore adapted to receive a complimentary threaded bolt or shank. The tapped bore terminates a predetermined distance from the plana... | 01/07/1992 |
| 5041026 | Switch housing clamping screw A ship-open pressure type wiring terminal for electrical apparatus wherein a threaded hole in the terminal is disposed immediately adjacent and aligned with a clearance opening in a plastic housing part overlying the terminal. One or more thin plastic web... | 08/20/1991 |
| 5004389 | Externally threaded self-locking nut A self-locking, externally threaded locking nut the outer periphery of the nut adjacent the threaded portion thereof having an annular groove in which is positioned an elastic ring. Portions of the outer periphery of the elastic ring are deflected outward... | 04/02/1991 |
| 4907924 | Backward starting locknut A backward starting locknut comprises a polygonal-shaped metal nut having a threaded axial bore extending from a front end face normal thereto toward a recess formed in an opposite or backside of the nut body. A locking insert of resilient plastic materia... | 03/13/1990 |