Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4716617 | Windshield wiper bearing A windshield wiper shaft is mounted in a bearing bushing, wherein the bearing bushing and the wiper shaft rest against each other with conical bearing surface portions to compensate for possible radial play. This is important in constructions in which the... | 01/05/1988 |
| 4692052 | Splice sleeve for overlapping reinforcing bars A splice sleeve for connecting overlapping reinforcing bars utilized in various types of structures in which steel reinforcing bars are utilized and it is desired to connect the overlapping end portions of the reinforcing bars. The splice sleeve includes ... | 09/08/1987 |
| 4681477 | Invisible connection for faced parts, in particular for furniture An invisible connection for faced parts, in particular for furniture. The adhesive for the connection is hermetically enclosed in a sheath consisting of flexible or easily breakable material. The sheath of adhesive is introduced as an independent componen... | 07/21/1987 |
| 4673309 | Method and apparatus for anchoring cables of high-tensile steel wire A method and an apparatus are described for anchoring cables, bundles of parallel or standard wire, or the like, of preferably high-tensile steel wire. At least one end of the cable or the like is introduced into a fixed anchoring socket and sealed with a... | 06/16/1987 |
| 4671696 | Shaft assembly and manufacturing process thereof A shaft assembly comprises a shaft having at least one small diameter portion located on the way in the axial direction thereof, and at least one member mounted to the outer periphery of the small diameter portion of the shaft rotatably and/or movably in ... | 06/09/1987 |
| 4668118 | Tool This invention relates to a tool with at least one wear-resistant hard metal part which serves to process production pieces, stones, or the like, wherein the hard metal part is firmly connected with a metallic carrier by solder located in at least one sol... | 05/26/1987 |
| 4666326 | Reinforcing bar coupling system The disclosure relates to a reinforcing bar coupling system wherein reinforcing bars or wire are coupled for structural concrete by applying to adjacent rod or wire portions a material, e.g. epoxy resin settable to form a structurally sound joint. The mat... | 05/19/1987 |
| 4662774 | Parabolic end fitting In the present invention a suitable end fitting is provided for fiberglass or plastic rods wherein the interior of the end fitting is defined by a chamber having an opening in an end and a side wall defined by a plurality of parabolic curved compression g... | 05/05/1987 |
| 4653953 | Sucker rod construction A sucker rod construction including a connector member being formed to define a rod receptacle having a closed axially inner end and an open axially outer end. The rod receptacle has a plurality of axially spaced, tapered annular surfaces. The end of a cy... | 03/31/1987 |
| 4653952 | Fabricated tee An improved welded structural joint in the form of a fabricate tee and method for making same is described which comprises a transverse member and a strut member abutting at one end to the transverse member intermediate its ends, and one or a pair of U me... | 03/31/1987 |
| 4648223 | Concrete structure, block for making such structure and method of making such structure A concrete structure including a rigid three-dimensional lattice of concrete bars which are interconnected at nodes. The lattice is constituted by an assembly of prefabricated cast blocks, in which each block comprises a node and a plurality of arms (14) ... | 03/10/1987 |
| 4648616 | Frame joint construction for bicycles and the like A frame joint for bicycles and the like includes a stub insert consisting of a base, a stub protruding from the base, and an annular shoulder at the junction between the base and the stub; a connecting member having a tubular end with an annular end face ... | 03/10/1987 |
| 4639029 | Tool handle A tool handle comprises a composite structure including a core member having a molded plastic outer coating over the core member. The molded plastic composite structure has a socket end, an intermediate section and a butt end. The socket end includes a su... | 01/27/1987 |
| 4616949 | Steering knuckle for a velocipede A knuckle joint assembly to fix a handle bar to a steering shaft of a velocipede, the knuckle joint includes two knuckle parts between which the handle bar is clamped with a securing sleeve being fixed to the handle bar and engaging the knuckle parts to p... | 10/14/1986 |
| 4602807 | Rod coupling for oil well sucker rods and the like A coupling for joining sucker rods in an oil well pump and the like, having a metal sleeve with an axially threaded bore and an exterior coating on the sleeve producing a cylindrical coupling, with the coating being an abrasive resistant thermoplastic hyd... | 07/29/1986 |
| 4602892 | Sucker rod The present invention envisions a concentric structural combination of elements, consisting of an elongate core component, which is terminated at each end on the internal surface of a chambered coupling, and a elongate sheath component which consists of a... | 07/29/1986 |
| 4597688 | Sucker rod assembly and method An improved sucker rod assembly is provided for use in oil wells and the like. The assembly includes a sucker rod of fiberglass, carbon fibers, graphite fibers, plastic or the like and with a pair of end fittings secured to opposite ends thereof. Each fit... | 07/01/1986 |
| 4596337 | Beverage vessel with handle A beverage vessel, includes a receptacle formed of vitreous material, a handle, and a layer of adhesive material fastening said handle to said receptacle.... | 06/24/1986 |
| 4585368 | Sucker rod assembly A sucker rod assembly useful in oil wells and the like is provided. In making the assembly, a longitudinally extending generally central cavity in a sucker rod end casing is coated with a mold release agent and the cavity interior surface includes longitu... | 04/29/1986 |
| 4572696 | Weighted cable cap A weighted cable cap, comprising a cable cap provided on one end thereof with a hole-W for inserting an outer casing, having a bottom, and on the other end thereof with a hole-X for inserting an inner cable; the hole-X being perforated through the bottom ... | 02/25/1986 |
| 4560189 | Sealing connection A gas and fluid sealing connection and process for making same are disclosed for connecting between a synthetic resinous material/plastic material body and a metallic body which is embedded therein by flowing the synthetic material in a form under pressur... | 12/24/1985 |
| 4522529 | Pre-stressed fiber-resin sucker rod and method of making same A sucker rod used in pumping liquids from subterranean oil or water wells is formed of plastic material having pre-stressed reinforcing fiber strands or roving therein, and a method of manufacturing same.... | 06/11/1985 |
| 4369830 | Sealing joints in moulds A method of sealing a joint between component parts of a metal mould for metal casting comprises applying in the area where the seal is desired an elongated sealing element and a compressible cover separating the sealing element from each of the surfaces ... | 01/25/1983 |
| 4336678 | I-Beam truss structure A wooden truss structure comprises upper and lower chords, each of which is grooved on the side facing the opposite chord. A web member formed of sheet material, such as plywood, interconnects the chords and fits within the chord grooves. At the web/groov... | 06/29/1982 |
| 4329915 | Piston and piston rod A piston rod is formed of fiber reinforced material so arranged that an elastic connecting zone is provided between the rod and the piston, thereby avoiding bolting one end of the piston rod to the piston. The cavity inside the piston has a dovetail reces... | 05/18/1982 |
| 4281602 | Molded objects such as tables, chairs and the like An article of manufacture, such shelves, tables, stools and chairs. The article has a cold molded edge formed by combining a panel with support frame fitted thereagainst into a mold and then adding plastic to cast the panel and frame together to a desired... | 08/04/1981 |
| 4275122 | Shaft and universal joint member assembly An assembly of a universal joint member and a shaft having a plurality of superimposed layers of material and an adhesive bond between axially inter-fitting parts of the shaft and universal joint member, the adhesive bond being established with more than ... | 06/23/1981 |
| 4130916 | Belt hook and method of making same A belt hook construction is provided for use with a buckle member of the class having a belt plate in which a belt hook is secured by the use of cast metal. An essential requirement is that the belt hook be held in a forwardly extended position without tu... | 12/26/1978 |
| 4116575 | Encapsulated reinforcement in moulded shaft A coupling shaft provided with a resilient member molded integrally therewithin during the molding process of the shaft and which is used to prevent a knob from loosening during service.... | 09/26/1978 |
| 4110650 | Brushholder supporting structure A brushholder is adapted to be secured to the frame of a dynamoelectric machine by means of either insulated steel studs or resin-bonded fiber glass studs. The frame of the brushholder contains at least two holes which are spaced apart and in parallel. Ea... | 08/29/1978 |
| 4094054 | Method of securing an object to a low-strength support structure A method and an arrangement for securing an object to a low-strength support structure includes inserting an anchor member into an anchoring hole provided in the support structure with clearance. The anchor member has an internal passage that extends from... | 06/13/1978 |
| 4089570 | Journal bearing with axially split bearing rings A ball or roller bearing with two symmetrical halves, each designed to absorb both radial and axial stresses, comprises two axially abutting inner rings on a shaft and two axially abutting outer rings in a housing wall coaxially surrounding the shaft. The... | 05/16/1978 |
| 3970401 | Tubular structures The structures of the present invention start with a basic hollow tube of any desired outer shape and made of paper, plastic or metal. When paper is used, it is vacuum impregnated with a plastic resin and oven baked to give it rigidity. The tube may also ... | 07/20/1976 |
| 3957239 | Joint construction such as for furniture and method of making A joint construction, especially for furniture or the like, in which members such as rail members, or the like, which extend at angles to each other, are joined together by a plastic block formed in situ on at least a pair of the members. The block may fo... | 05/18/1976 |
