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An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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| Number | Title | Issue Date |
| 6247884 | Self-locking threaded plug A new plug is formed with a diametrical slot in the interior threaded end and an axial through hole. A spring unit is positioned in the through hole and slot. The spring unit is formed with a diametral slot that extends from the interior end of the plug w... | 06/19/2001 |
| 6162234 | Adjustable button cinch anchor orthopedic fastener An orthopedic fastener device is based on a strong central shaft that is threaded in a one end region and that, in one embodiment, presents a ramp surface in the other end region. The ramp end is inserted down-hole a bore in bone while an expandable first... | 12/19/2000 |
| 5947668 | Self-retaining bolt A self retaining fastener which comprises a threaded bolt with an hexagonal head and threaded shaft with a longitudinal groove formed therein. An arcuate spring member is secured in the groove and protrudes slightly outward from the threaded shaft of the ... | 09/07/1999 |
| 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 |
| 5752793 | Securing insert of a locknut A locknut which is durable and adapted to be used repeatedly is disclosed. The locknut has a body with a collar integrally extending from one end thereof for receiving a check washer. The check washer defines a polygonal hole therein. A periphery defining... | 05/19/1998 |
| 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 |
| 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 |
| 5454676 | Safety screw particularly for skates A safety screw for skates, including a male part, provided with a first head and with a first internally threaded stem, and a female part, provided with a second head and with a second stem that has a complementarily threaded first seat for the first stem... | 10/03/1995 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5000637 | Fastening device with circumferential ribs and method for manufacturing the same A fastening device uses a ribbed rivet to secure two materials together. The ribs on the rivet should have a height no greater than 0.005 inches on most plastics and be of a close proximity. This rivet can be pushed directly into, or pulled directly out o... | 03/19/1991 |
| 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 |
| 4828444 | Plastic push-on nut This invention relates to a one-piece molded nut made of plastic which is used to secure one member to another in cooperation with a stud. The nut includes a cylindrical portion having an inner space and an engagement piece extending across the open end o... | 05/09/1989 |
| 4798507 | Sheet metal U-nut A nut is provided particularly for use with a sheet metal screw, which nut has a screw-receiving sleeve, with two or more roll-tapped threads having a flattened crest at the apex of the thread angles. An alternate embodiment contemplates providing a doubl... | 01/17/1989 |
| 4780037 | Fastening assemblies A fastening assembly comprises a first internally open member such as a collar, and a second internally open member such as a bifurcated plug which is slidable realative to the collar to an assembled position in which the plug is located at least partiall... | 10/25/1988 |
| 4749320 | Self-locking torque prevailing locknut The metallic body of the nut is formed with a groove into which is inserted an elongate flexible compressible insert which may be rectangular, hexagonal or circular in cross-section and which may be made of, for example, nylon or a fibrous material. After... | 06/07/1988 |
| 4659272 | Blind fastener with torque lock A blind fastener for installation in aircrafts or the like and method for forming same comprised of a threaded nut threaded on a threaded screw or stem member having a stem head with a deformable sleeve mounted on the stem member between the stem head and... | 04/21/1987 |
| 4179067 | Railway track hold-down hardware A base member, such as a cross tie, is molded of reinforced concrete or wood chips and resin. Depressions in the top of the base member are lined with pads of cushion material to seat the flanges of the rails. A pair of hold-down clips is seated on each p... | 12/18/1979 |
| 4175605 | Propeller nut A self-locking propeller nut, suitable for marine drive trains which involve a great deal of vibration, is disclosed. The nut, which has a nose-cone shaped exterior similar to conventional propeller nuts, is molded integrally of semi-rigid plastic. At its... | 11/27/1979 |
| 4138198 | Tapered shank ball stud assembly with collapsible washer A tapered shank ball stud, as used in an articulated joint assembly, has its tapered shank secured in seated engagement in the tapered aperture of a support member in such an assembly by a lock nut threaded onto the externally threaded end of the ball stu... | 02/06/1979 |
| 4132145 | Free spinning washer-nut assembly A washer-nut assembly wherein a sheet metal nut is rotatably coupled within an annular plastic washer. The nut has an inner threaded barrel portion for engaging the threads of a cooperating bolt, an outer barrel portion shaped for engagement by a tighteni... | 01/02/1979 |
| 4132815 | Method of making self-locking fasteners with a pressure rolled thermoplastic patch A self-locking threaded fastener of the type having a resilient thermoplastic resin patch bonded to the thread surface and a method and apparatus for making such fasteners are disclosed. The fastener is heated to a temperature in excess of the plastic mel... | 01/02/1979 |
| 4126170 | Sealing nut with preformed turtleneck insert A sealing nut having a shouldered insert of heat stabilized-lubricated nylon with a protruding crown, locked into a recess provided at one end of the nut body by means of a coined lip engaging the shoulder. Sealing is effected when the nut is engaged on a... | 11/21/1978 |
| 4120993 | Method of making self-locking fasteners The improved method of making a self-locking threaded element having a strongly adhered plastic body on its threaded surface providing strong frictional engagement between the element and a mating threaded surface in which fine particles of heat softenabl... | 10/17/1978 |
| 4096653 | Cartridge retaining means for earthworking tips An earthworking device comprises a support member having a work tool, such as an earthworking tip, detachably mounted on a forward end thereof. A pin is disposed in aligned bores formed through the support member and the work tool and an annular replaceab... | 06/27/1978 |
| 4088327 | Sealing ring with tabs for holding for assembly One or more radially projecting tabs are provided on a discontinuous ring for retaining the ring in proper association with a body member in spite of movement or vibration of the assembly. The tab, or tabs, mate with a grooved section of the body member. ... | 05/09/1978 |
| 4087070 | Swivel chair with non-keywayed main screw A swivel chair having a non-keywayed main screw rotatably connecting the chair seat and a supporting base to enable rotational movement of the seat with respect to the base. The top portion of the main screw is secured to the bottom of the seat, and the b... | 05/02/1978 |
| 4060116 | Method for producing self-locking fasteners An improved method for producing a threaded, metallic, self-locking fastener having a metallic patch flame sprayed thereon. The improved method includes a heat-treating operation which densifies and smooths the outer surface of the patch while not substan... | 11/29/1977 |
| 4044809 | Tightening and sealing device A tightening and sealing device is made from plastic material and includes two members which can be coupled to each other. The member acting as the tightening element includes an internally threaded hollow cylinder divided into three cylindrical segments ... | 08/30/1977 |
| 4043239 | Shim nut and screw bolt assembly A shim nut and screw bolt assembly for rigidly securing together a pair of spaced apart components, the shim nut of this assembly having internal threads and opposite hand external threads which threadedly engage a nut fixed to or forming part of the firs... | 08/23/1977 |
| 4040228 | Mounting means A channel member having its flanges extending at an acute angle to the web and having inturned margins on the free edges of the flanges is imbedded in plastic concrete in approximately the position of a threshold plate or other structure to be mounted, th... | 08/09/1977 |
| 4033223 | Quick set adjustable fastener A quick set adjustable fastener which includes a plastic sleeve having a smooth bore for receiving a threaded or grooved fastener whereby the connection between the sleeve and fastener is attained by pushing the fastener into the bore of the sleeve and wh... | 07/05/1977 |
| 4033393 | Self-locking fastener Reusable self-locking fasteners, and methods of metal fasteners wherein the self-locking characteristic is derived from a patch comprising a metal or metal alloy selectively applied to the threaded surface of the metal fastener in a spraying operation. Th... | 07/05/1977 |
| 4022262 | Sealing locknut The sealing locknut is of the type commonly used for securing a conduit to an electrical junction box and is provided with a plurality of angular prongs or teeth about the circumference thereof adapted to bite into the metal of the junction box to obtain ... | 05/10/1977 |
| 4019550 | Sealing nut with nylon insert A sealing nut having a shouldered insert of heat stabilized-lubricated nylon with a protruding crown, locked into a recess provided at one end of the nut body by means of a coined lip engaging the shoulder. Sealing is effected when the nut is engaged on a... | 04/26/1977 |
| 4004626 | Self-sealing, self-locking threaded fastener A self-sealing, self-locking nut in which the nut body includes an annular recess within which there is located an annular member of resilient sealing and locking material, such as a fluoroplastic, and compression-retention means integral with the nut bod... | 01/25/1977 |
