Bizarre Patents
An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 4210371 | Rotary-anode X-ray tube A rotary-anode X-ray tube, comprising a rotary anode which is journalled in a vacuum-tight housing by means of at least one sleeve bearing whose mutually co-operating bearing surfaces are made of W or Mo or of an alloy of W and Mo. The bearing is lubricat... | 07/01/1980 |
| 4200541 | Bearing materials The specification discloses advantageous dry bearing materials in which a material having characteristics making it useful as a dry bearing material has on its contacting or bearing surface a multiplicity of closely spaced, small, blind holes each filled ... | 04/29/1980 |
| 4196249 | Self lubricating ball joint liner characterized by a surface comprising hard metal particles A finely divided hard metal powder of low thermal expansion and high corrosion and acid resistance, intimately mixed with a colloidal dispersion of tetrafluoroethylene and a thermoplastic, thermosetting adhesive, is applied to one side of a backing member... | 04/01/1980 |
| 4169637 | Drill bushings, pump seals and similar articles A drill bushing or similar article, such as a pump seal, having a hardened body of steel and a thin coating of tungsten carbide distributed throughout a matrix of nickel chrome which provides a metallurgical bond to the steel body and a metallic bond to t... | 10/02/1979 |
| 4140592 | Gas bearing surface coating A method for increasing the life and reliability of beryllium gas bearings by applying a coating of chromium to one bearing surface and an anodized beryllium coating to its mating surface.... | 02/20/1979 |
| 4097760 | X-ray tube having bearing lubrication An X-ray tube comprises a rotatable anode supported by a bearing structure having portions lubricated by lead. The bearing structure includes a grooved outer race which is coated with ion-implanted lead, an inner race comprising a grooved portion of a spi... | 06/27/1978 |
| 4040688 | Novel cylindrical rollers Novel cylindrical rollers for antifriction bearings made of steel with a carbon content of 0.7 to 1.2% by weight, a sorbitic structure and a hardness increased by cold annealing to at least 50 HRC and a novel process for the preparation of said rollers.... | 08/09/1977 |
| 4021084 | Drilling bit bearing structure A rock drilling bit has a plurality of rolling cutters for pulverizing rock. The loads on the bearings between these cutters and their mounting pins are extreme and are carried by a friction bearing. The bearing surface in the cutter has a plurality of sp... | 05/03/1977 |
| 3997099 | Method of producing composite material for bearings or sliding members A method of producing composite material for bearings or sliding members, comprising applying pressure, by rolling, simultaneously to a strip having a steel backing and a layer of copper-base alloy bonded to the steel backing, and a strip of lead-base all... | 12/14/1976 |
| 3990751 | Drill bit A roller cutter drill bit with a body having a journal, a roller cutter, bearing means for rotatively mounting the roller cutter on the journal and a part of said bearing means including a maraging steel sleeve with a lubricant between the sleeve and the ... | 11/09/1976 |
| 3985407 | Bearings for railway vehicles The bearing for a railway vehicle axle comprises a bearing block of aluminium alloy having a thermal conductivity in excess of 0.20 of cal/sec/cm. cube/°C. The block has a part-cylindrical bore and a bearing surface of babbitt is provided on the bore and... | 10/12/1976 |
| 3985408 | Bearing having iron sulfur matrix A bearing comprising a steel backing with a porous matrix composition comprising 1/2 to 6 percent by weight sulfur, 0 to 60 percent copper, and the balance iron which is impregnated with babbitt.... | 10/12/1976 |
| 3975993 | Piston-rod unit for hydraulic machines A motor or processing machine, such as a lowspeed radial piston motor, having a piston with a socket formed therein operatively contacting a ball formed on one end of a piston rod, to form a ball-and-socket joint with articulated movement, and a shoe on t... | 08/24/1976 |
