Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7428857 | Gear, speed reduction gear using the same, and electric power steering apparatus using the same A gear composed of a polymer blend or a copolymer of PA66 and PA6 which contains a part having a PA66 molecular structure and a part having a PA6 molecular structure in a weight ratio of PA66/PA6=99.9/0.1 to 95.0/5.0 is excellent in durability as well as heat resist... | 09/30/2008 |
| 7300234 | Power transmission with bead drive A power transmission is provided. The power transmission includes a housing including a continuous channel following a three-dimensional path. A plurality of beads is located within the continuous channel and movable therein. A first sprocket is rotateably connected... | 11/27/2007 |
| 6925900 | Ball screw The ball screw comprises a shaft including a spiral-shaped shaft groove having a semicircular-shaped (Gothic-arch-shaped) section, a nut including a spiral-shaped nut ball groove which corresponds to the shaft groove and has a semicircular-shaped (Gothic-arch-shaped... | 08/09/2005 |
| 6314826 | Nested speed converter bearing apparatus Robust nested speed converter and bearing apparatus providing speed conversion function and bearing support function in a compact package for a range of applications.... | 11/13/2001 |
| 6193624 | Torque transfer device A torque transfer device allows torque to be input at one point of the device and transferred to another point of the device, at which the power or torque is taken from the device. The device incorporates a continuous direct drive comprised of a plurality... | 02/27/2001 |
| 6159125 | Rolling element transmission A transmission includes a guideway (20) formed between a pair of tracks (22, 24) extending in a closed loop (21), and an endless train of rolling elements (X, Y, B) extending along the closed loop and rolling on the tracks and on each other. An input shaf... | 12/12/2000 |
| 5491633 | Position sensor for electromechanical suspension An apparatus comprising a rotating element, a rotary to linear converter, a linearly moving element that linearly extends and retracts when the rotating element rotates in first and second directions, a rotary sensor assembly, integrally constructed with ... | 02/13/1996 |
| 5105136 | Structure of shaft supporter in industrial robot A gear box (30) housing a reduction gear unit (24) and supporting a drive motor (22), and a elongated screw shaft (12) is fitted over a base plate (14) so that an area of a shaft supporter (10) projected in a plane perpendicular to a longitudinal directio... | 04/14/1992 |
| 5069078 | Transmission mechanism A load and motion transmitting apparatus is disclosed herein having a housing operably mounting a pair of spaced shafts having parallel turning axes where each shaft has a conical portion tapering in a direction opposite to the conical portion of the othe... | 12/03/1991 |
| 5016487 | Ball bearig gears Gears with a flat drive part provided with a circular guide groove eccentric to the axis of rotation. A flat driven part provided with an endless guide groove centered on the axis of rotation on a face toward the drive part, for guidance of balls transmit... | 05/21/1991 |
| 4960003 | Transmission A transmission comprising an outer hollow stationary casing having first and second open ends, an outer surface and a cylindrical inner surface. The inner surface has a circumferentially extending, uniformly shaped first zigzag groove. A first hollow cyli... | 10/02/1990 |
| 4952784 | Unit drive assembly A unit drive assembly (2; 84; 102) is used with postage meters (4) of the type which include a stationary base (6; 86; 104, 106) and moveably print head (8; 88; 108). The base and print head are mechanically connected so that input information to the base... | 08/28/1990 |
| 4862757 | Translatory drive linkage type of power transmission apparatus An improved translatory drive linkage type of power transmission apparatus, which, in one preferred form, comprises an improved tape drive type of power transmission apparatus primarily for transmitting power applied thereto at a power entry point to a lo... | 09/05/1989 |
| 4856357 | Infinitely variable (IV) mechanical non-cylindrical drive A power-transmitting and torque-converting mechanical drive system provides an infinitely variable (IV) ratio of angular speed adjustments between a first shaft and a second shaft. Power is transmitted by means of a plurality of independent chains of ball... | 08/15/1989 |
| 4739668 | Infinitely variable (IV) positive drive system A power-transmitting and torque-converting positive drive system provides an infinitely variable (IV) ratio of angular speed adjustments between a power input shaft and a power output shaft. The power is transmitted by means of a continuous chain of balls... | 04/26/1988 |
| 4718291 | Devices for converting rotary movement into linear movement A device is composed of relatively rotatable cylindrical components one of which has a groove forming a raceway or track of part-helical form containing a set of balls in contact with a plain surface of the other component. The raceway wedges with the bal... | 01/12/1988 |
| 4707017 | Adjustable height windshield apparatus for motorcycles For adjustably moving a motorcycle windshield up and down with respect to a motorcycle cowling, there are employed a pair of drive ball assemblies each comprising a series of rigid plastic balls strung on a length of wire. The drive ball assemblies are sl... | 11/17/1987 |
| 4702668 | Direct drive robotic system A direct drive robot which includes a pedestal having two motors which rotate around a common axis to directly drive rotation of first and of second linking arms which are rotating in a plane perpendicular to this pedestal. The first, inner link is prefer... | 10/27/1987 |
| 4542809 | Electrically actuated aircraft brakes Apparatus for electrically controlling the application and release of aircraft brakes. In one embodiment, the invention includes a slurry clutch controlling a reciprocating member which is operatively connected to the pressure plate. In another embodiment... | 09/24/1985 |
| 4493222 | Gearless speed and torque converter A gearless speed and torque converter is disclosed wherein a first member or input member fixedly mounted to a rotatable input shaft has an Archimedes spiral groove-bearing surface. A second member or output member fixedly mounted to a rotatable output sh... | 01/15/1985 |
| 4366723 | Recirculating-ball drive A recirculating-ball drive has a ball nut centered on an axis and formed with an internal helical groove and receiving a spindle centered on the axis also and rotatable in the nut about the axis. This spindle is formed with an external helical groove of s... | 01/04/1983 |
| 4342235 | Ball nut with internal crossover for ball recirculation A ball nut and screw assembly is provided with a molded internal return system for a train of balls drivingly interconnecting the nut and screw. A ball nut with an internal crossover is used as a master mold to produce an imprint mold which positively pro... | 08/03/1982 |
| 4221137 | Ball nut type steering gear In a ball nut type steering gear for a motor vehicle having two trains of balls confined within passageways formed by the helical grooves in a threaded shaft and a ball nut which surrounds the threaded shaft, two major diameter portions disposed in spaced... | 09/09/1980 |
