Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8157452 | Radial roller bearing for storing shafts in wind turbine transmissions A radial roller bearing for storing shafts in wind turbine transmissions, which has an external bearing ring with an inner runway, an internal bearing ring arranged coaxial thereto provided with an external runway, and a plurality of roller bodies that displace on t... | 04/17/2012 |
| 7032704 | Electrically assisted, power steering system for motor vehicles An electrically assisted, power steering system for motor vehicles having an input shaft (6) connected to a pinion shaft (2) by a torsionally elastic member (5) is supported in a steering housing (1) by a rolling bearing. The rolling bear... | 04/25/2006 |
| 7013744 | Tooth aligning device for the aligning of workpiece with pre-cut teeth on gear finishing machines The invention concerns a device for the non-contact measurement of the position of the teeth (13) of a workpiece (14) with precut teeth on a gear finishing machine. The measuring probe, retractable from the measuring position into a position of rest pr... | 03/21/2006 |
| 7010081 | Tapered roller bearing In a diagnostic system, having a rotating gantry (24) and a stationary gantry (22), a bearing race (50) rotates with surface portions having varying linear velocities in accordance with distance from an axis (A) of rotation. Tapered roller beari... | 03/07/2006 |
| 5852947 | Main shaft gear mechanism in a transmission for a vehicle A bearing unit A comprises a main shaft gear 1 integrally having a tooth section 1a always meshed with a sub shaft gear 6 at the outer circumference, a pair of inner rings 2 fitted in the outer circumference of the main shaft 5, double-row tapered rollers... | 12/29/1998 |
| 5071265 | Hollow roller bearing assembly for both radial and axial loads A roller bearing assembly for both radial and axial loads comprises an annular series of hollow roller bearings within associated inner and outer annular bearing races. Each race has an integral end flange which projects generally radially toward the oppo... | 12/10/1991 |
| 5069046 | Roller cylinder assembly for press forming glass sheets and method of using A ball bearing type roller cylinder assembly is disclosed comprising a center shaft having a free end. The shaft may, for example, be held in a mounting fixture. A spindle concentric with the center shaft is fixed on its free end. A roller cylinder housin... | 12/03/1991 |
| 5033877 | Hollow roller bearing preloaded by an interference fit A hollow roller bearing has inner and outer races with the former provided with opposing axially spaced generally radially outwardly projecting shoulders. Roller bearings, hollow by diameter in the range 55% to 75% are disposed between the shoulders and i... | 07/23/1991 |
| 4741632 | Constant torque ball bearing A ball structure for stabilizing bearing torque in high speed, preloaded, angular contact load supporting ball bearings operating on elastohydrodynamic lubricant films. Angular momentum developed about a ball spin axis that is not parallel to the bearing ... | 05/03/1988 |
| 4655619 | Tapered roller bearing A resilient hollow annular frustro-conical roller bearing whose wall thicss varies according to the roller diameter. Any abnormal load placed upon the roller causes an increase area of contact between the roller and the opposing race surfaces. The hollow... | 04/07/1987 |
| 4427307 | Rotary drill bit A rotary drill bit comprising a roller cutter (12) which is rotatably carried over a bearing system. The bearing system comprises at least one roller bearing (16). Fluid is supplied to the bearing system for flushing and lubricating and when needed coolin... | 01/24/1984 |
| 4232914 | Hollow roller tapered bearing A plurality of hollow rollers is located in the annular space between the inner and outer tapered raceways of a tapered bearing. Each hollow roller has an axial bore extending completely therethrough. The percent hollowness of each roller is uniform throu... | 11/11/1980 |
| 4023869 | Crossed axis tapered roller bearing assembly A heavy duty tapered roller bearing assembly is designed for use in such devices as the turntables which mount excavator superstructures on their tracked undercarriages. A raceway has two races having four faces that define an annular cavity, the cross se... | 05/17/1977 |
| 4002380 | Roller bearing of superior run-out characteristics This disclosure relates to a roller bearing assembly which, when used to support a shaft for rotation, unexpectedly greatly reduces the run-out of the shaft even as compared to previous super precisions roller bearings. It has been discovered that if holl... | 01/11/1977 |
| 3930693 | Full complement bearing having preloaded hollow rollers This disclosure relates to a full complement bearing and the method of forming the same wherein the rollers of the bearing are hollow and are installed between the bearing races in a preloaded condition. Further, the rollers have the end portions thereof ... | 01/06/1976 |
