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Thomas Edison ; 1889
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| Number | Title | Issue Date |
| 8006581 | Drive gear assembly A drive gear assembly is disclosed. The assembly includes a drive shaft (11) and a drive gear (9) mounted on or integral with a drive shaft and rotatable therewith and being adapted to mesh with a driven gear (7). The assembly also includes a se... | 08/30/2011 |
| 7340923 | Pressing plunger mechanism for a glassware forming machine A pressing plunger mechanism for a glassware forming machine has at least one pressing plunger which in normal operation can be moved axially in a reciprocating manner together with a pressing plunger receiver between an inoperative position and a pressing position.... | 03/11/2008 |
| 7275872 | Adjustable bearing A bearing that can be reoriented to move its center is disclosed. The center of the bearing is offset from the center of its outer housing. Should the shaft extending through the bearing need to be raised or lowered the outer housing is simply rotated in its recepta... | 10/02/2007 |
| 7234369 | Continuously adjustable self-lubricating mill roll drive Described is an adjustable roll drive including a fixed drive cylinder having a fixed drive gear, a fixed intermediate gear rotated by the fixed drive gear, a movable intermediate gear rotated by the fixed intermediate gear, and a movable driven cylinder having a mo... | 06/26/2007 |
| 7210366 | Full support mainshaft and fifth gear design A full support mainshaft and fifth gear design that solves the problem of fifth gear failure on NV4500 transmissions. The first embodiment comprises a sleeve that is installed over the smooth support surface of a factory mainshaft. The second embodiment is a mainsha... | 05/01/2007 |
| 7185558 | Geared segments with variable gear ratio A variable gear ratio device featuring geared segments with variable gear ratio adapted for inclusion into mechanical machines, motors and pumps where there is a constant requirement for a variable transfer ratio for the variability and optimization of the load of t... | 03/06/2007 |
| 7144349 | Gas turbine gearbox A gearbox for rotating a propeller in a selected one of a first and second direction is provided. The gearbox includes a many common components, selected irrespective of desired propeller direction, and a few unique components selected based on desired propeller dir... | 12/05/2006 |
| 7028572 | Pitch transfer gear and transmissions A pitch transfer gear transmission which enables drive to be transmitted from a gear of having one modulus (42) to a gear having another modulus (46) includes at least two gears (12,16) which have a different number of teeth and which are able t... | 04/18/2006 |
| 6988722 | Paper pickup mechanism A paper pickup mechanism located on one side of a feeding paper tray consists of a pickup roller, a plurality of gears and a plurality of linkage bars to form a highly free mechanism that drives the pickup roller rotating in the paper feeding direction and generatin... | 01/24/2006 |
| 6962097 | Mechanical steering transmission unit The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed. ... | 11/08/2005 |
| 6932043 | Ancillary unit drive adapter An ancillary unit drive adapter is disclosed for use in an engine block which has at one end a lateral flange formed with an aperture for mounting of the ancillary unit. The drive adapter comprises a casing (112) for mounting on the end face of the engine to ... | 08/23/2005 |
| 6810760 | Gear train mating interface for separable mailing machine modules Methods and apparatus are provided for mating a first gear and a second gear, such as those utilized in drive mechanisms of mailing machine modules. A gear frame can mount a first gear on a first annular gear mount. A first end of a link can be pivotally mounted on ... | 11/02/2004 |
| 6564664 | Electrically supported steering boost with compact spur gear arrangement The invention relates to a steering boost for motor vehicles with a drive unit that is coaxially arranged in relation to the steering shaft axis and that consists of a combination of a disc-shaped electromotor and a spur gear which enables particularly hi... | 05/20/2003 |
| 6543314 | Torque wrench assembly A torque wrench assembly system comprising a housing, a transfer shaft positioned in the housing, a first drive gear arrangement coupled to the transfer shaft; at least a second drive gear arrangement slidably coupled to the transfer shaft; a first drive ... | 04/08/2003 |
| 6513401 | Transmission unit for axles for vehicles with electric drive A transmission unit for axles for vehicles with electric drive comprises a drive gear, a driven gear, and an intermediate idler gear, meshing with the drive gear and with the driven gear. The unit is housed in half-shells. The intermediate idler gear is m... | 02/04/2003 |
| 6293166 | Apparatus and method for adjusting a gear Apparatus and method for adjusting a gear in a gear train assembly. A first gear with a first rotational center and a second gear with a second rotational center are coupled to an engine. A third gear with a third rotational center is provided to form a f... | 09/25/2001 |
| 6247377 | Anti-lash gear assembly An engine system with a gear train to provide engine timing. A technique to minimize backlash and noise caused by the gear train is included. An anti-backlash gear assembly useful to reduce backlash in the gear train is also disclosed. One disclosed gear ... | 06/19/2001 |
| 6192769 | Adjustable gearhead for a hedge trimmer attachment A gearhead assembly between a drive shaft and an output shaft of a trimmer arranged parallel but staggered to one another, includes a bearing shaft extending perpendicularly between the drive shaft and the output shaft. The bearing shaft has a first end s... | 02/27/2001 |
| 6183175 | Steerable toolholder A tool holder for a tool drive with an outer and an inner concentric drive shaft. A first adapter is detachably held by a conventional clamping system in a receptacle of the outside drive shaft. A second adapter is concentrically mounted in the first tool... | 02/06/2001 |
| 6129171 | Electric power steering device In an electric power steering device, a rotating member is screwed onto a rack, which meshes with a pinion rotated by steering manipulation, via a screw mechanism. The rotation of a motor for generating steering assistance force is transmitted to the rota... | 10/10/2000 |
| 6109129 | Apparatus and method for adjusting a gear Apparatus and method for adjusting a gear in a gear train assembly. A first gear with a first rotational center and a second gear with a second rotational center are coupled to an engine. A third gear with a third rotational center is provided to form a f... | 08/29/2000 |
| 6035736 | Adjustable pinion gear mounting arrangement A pinion gear rotatively connected to a drive motor is radially movable relative to a swing gear of a work machine by an eccentric member to adjust the backlash between the pinion and swing gears. A supporting bracket is supportingly connected to a second... | 03/14/2000 |
| 6013002 | Rotary power transmission apparatus A rotary power transmission apparatus for transmitting a rotary power from an input rotary member to an output rotary member eccentric from the input rotary member. The rotary power transmission apparatus comprises: a ring member arranged around the outer... | 01/11/2000 |
| 5988977 | Backlash adjustment mechanism for variable pipe diffuser A backlash adjustment mechanism for use in a variable pipe diffuser having inner and outer rings and a casing. The backlash adjustment mechanism includes a drive shaft and a pinion gear attached thereto, a rack gear fixedly attached to the inner ring. The... | 11/23/1999 |
| 5979259 | Gear train assembly including a scissor gear An engine system with a gear train to provide engine timing is disclosed. A technique to minimize backlash and noise caused by the gear train is included. An anti-backlash gear assembly useful to reduce backlash in the gear train is also disclosed. One di... | 11/09/1999 |
| 5960671 | Eccentric pivotable mounting for changing gear reduction ratios A gear reducer, especially for a mixer, has a housing supporting a pinion shaft with a pinion gear rotatably driven by a motor, mechanically coupled with a rotatable driven shaft having a driven gear meshing with the pinion gear. The driven gear can be co... | 10/05/1999 |
| 5829294 | Split-level roll former A roll former line for forming different shapes including a first roll stand attached to a bed which provides vertical adjustable movement. The roll stand includes three spindles in vertical alignment with each other, the forming rolls on the top and bott... | 11/03/1998 |
| 5740696 | Transmission unit for office machine A transmission unit mounted on the machine base of an office automation machine and covered with a cover and controlled to turn a first roller and a second roller, including a gear transmission mechanism, a first roller transmission mechanism driven and a... | 04/21/1998 |
| 5685197 | Backlash adjustment mechanism Adjustment capabilities are useful in gearing mechanisms so that backlash settings between gears may be changed to accommodate for normal operation, wear, or maintenance disturbances. The subject backlash adjustment mechanism allows for adjustment of cent... | 11/11/1997 |
| 5679088 | Change gear system A change gear system comprises a driven case, a driving shaft and shifting means for shifting the drive shaft, and three sliding frames are provided in alignment in the driven case. Each sliding frame is provided with a pair of rack gears with teeth facin... | 10/21/1997 |
| 5611233 | Transmission unit for driving two shafts lying essentially parallel Transmission unit for driving two parallel shafts, at least one shaft being movable at right angles to its lengthwise direction, for example for a rolling mill (1). In this case each shaft (8, 11) is provided with a crown wheel (14, 15) which meshes with ... | 03/18/1997 |
| 5540112 | Backlash adjustment mechanism Adjustment capabilities are useful in gearing mechanisms so that backlash settings between gears may be changed to accommodate for normal operation, wear, or maintenance disturbances. The subject backlash adjustment mechanism allows for adjustment of cent... | 07/30/1996 |
| 5386879 | Steering angle ratio varying device for a vehicle In a steering angle ratio varying device for a vehicle adapted to be connected in series with a steering input shaft, a first shaft on an input end and a second shaft on an output end are supported in a mutually parallel and laterally moveable relationshi... | 02/07/1995 |
| 5343774 | Transmission gear box for miniature motor An improved transmission gear box for miniature motor is equipped with a motor-mounted round plate having a number of equally spaced protrusions or recesses disposed on the periphery thereof. The round plate secured to the case of a motor is provided with... | 09/06/1994 |
| 5159848 | Self-adjusting motor mount for drive motors of a pen plotter This invention is a self-adjusting motor mount for holding a driving gear mounted on the shaft of a motor in engagement with a driven gear carried by a back plate disposed in a vertical plane and is particularly useful in a pen plotter. There is a mountin... | 11/03/1992 |
| 5119687 | Articulated robot An articulated robot having a swivel base supported on a support base for swivel movement about a vertical axis, a first arm pivoted on the swivel base for swing movement about a first swing axis perpendicular to the vertical axis and a second arm pivoted... | 06/09/1992 |
| 5095767 | Multi-configuration gear reducer kit A gear reducer kit has one shaft mounted in a rotatable quill which rotates along an axis offset from the shaft axis. The quill may be fixed with respect to the gear reducer at one of several discrete index position, each associated with a different input... | 03/17/1992 |
| 5067363 | Clearance-free spindle drive In order to improve a spindle drive for machine tools, comprising a housing, a spindle mounted in the housing, a drive motor arranged on the housing and a gear arranged in the housing and comprising an intermediate shaft driven by the drive motor and moun... | 11/26/1991 |
| 5060806 | Variable-aperture screen Apparatus for separating material into first and second portions according to size including a plurality of shafts, a plurality of spaced disks radiating outwardly from each of the shafts to define apertures and linkage interconnecting the shafts for movi... | 10/29/1991 |
| 4966026 | Edging roll for use in making sections having flanges This invention relates to an edging roll for rolling the flange edges (12a) of a rolling material (12), specifically to an edging roll which is adaptable commonly to rolled sections having different dimensions and is capable to roll the flange edges with ... | 10/30/1990 |