Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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 |
| 7918146 | Multi-path rotary wing aircraft gearbox A multi-path split torque gearbox system provides a multiple of three stage torque split power gear trains modules that each transmits torque from a high-speed engine to a main rotor shaft (36). The first stage bevel gear arrangement (30,32) provides a... | 04/05/2011 |
| 7360471 | Triple output transfer case for a vehicle seat A transfer case assembly (10) for selectively moving a seat assembly in a plurality of adjustment directions. The assembly comprises a motor (12) and a drive shaft (14) operatively connected to the motor (12) for rotation in response to a... | 04/22/2008 |
| 7219579 | Apparatus and method for actuating control surfaces An apparatus for actuating a control surface includes a first spur gear, a first drive assembly engaged with the first spur gear, a second spur gear, a second drive assembly engaged with the second spur gear, and a gear assembly capable of being coupled with the con... | 05/22/2007 |
| 7165474 | Torque dividing gear drive system and method of driving an output gear A torque dividing gear drive system, a method of driving an output gear, and a method of evenly dividing an output torque between three gears is provided. The torque dividing gear drive system that is provided has a first gear driven by an engine, a second gear coup... | 01/23/2007 |
| 7152503 | Device for compensating a torque produced by a gyrostatic effect A device for compensating a torque produced on a movable axle in a machine tool or production machine by a gyrostatic effect includes a rotating useful machine system attached to the movable axle and producing a useful angular momentum, and a rotating machine counte... | 12/26/2006 |
| 7121781 | Surgical instrument with a universal wrist A robotically controlled endoscopic medical instrument that includes an end effector coupled to a wrist. The wrist provides two separate degrees of freedom about the same pivot point. The end effector can be moved and actuated by pins. The pins allow for a compact m... | 10/17/2006 |
| 7100468 | Split torque gearbox A split torque gearbox having multiple input shafts. Each input shaft is connected to two face gears. Each face gear is connected to two quill shafts, one is coaxially mounted and the second is not coaxially mounted. Of the two quill shafts, one is positioned on a f... | 09/05/2006 |
| 7036777 | Zero backlash positioning device A positioning device without backlash includes a table and at least one gear operatively associated with the table. At least one worm gear is connected to the gear and the gear is driven in a desired direction with a primary motor and a synchronized slave motor. The... | 05/02/2006 |
| 6612195 | Split-torque face gear transmission A face gear transmission system divides the input torque into multiple kinematic paths. The first kinematic scheme consists of a drive shaft and driven shaft having a plurality of pinions which contact a primary face gear. The second kinematic scheme cons... | 09/02/2003 |
| 6543569 | Electric power steering apparatus An electric power steering apparatus comprising a rack shaft having two racks, a first rack-and-pinion mechanism for transferring a steering torque to the rack shaft, and a second rack-and-pinion mechanism for transferring an assist torque to the rack sha... | 04/08/2003 |
| 6260429 | Face gear transmission assembly, in particular for aircraft application A face gear transmission assembly has a supporting structure, and a pair of face gears which are positioned facing each other, rotate with respect to the supporting structure about a common axis, and both mesh with two input pinions and three transmission... | 07/17/2001 |
| 6260430 | Face gear transmission, in particular for aircraft application A face gear transmission, in particular for aircraft application, has a floating input pinion rotating about a respective axis, and two face gears which are positioned facing each other, rotate about a common axis forming an angle of other than 90° with ... | 07/17/2001 |
| 6206157 | Rotating driving unit The invention relates to a rotary drive for a tool holding device with a shaft for bearing the holding device where the rotary drive performs both machining and milling using a common tool changing device. The inventor has a first hollow shaft (7) arrange... | 03/27/2001 |
| 5974911 | Face-gear transmission assembly with floating balance pinions A gear transmission assembly for transferring a drive torque from at least one power input to a primary user has at least one drive pinion carried by a respective power input shaft and meshing with a pair of facing coaxial counter-rotating ring gears havi... | 11/02/1999 |
| 5813292 | Method for fabricating a split path transmission system providing equal torque splitting between the split load paths of each gear train thereof at a predefined operating point A method for fabricating a split path transmission system that achieves equal torque splitting between the forward and aft split load paths of each gear train thereof at a predefined operating point by providing an intentional timing difference between ge... | 09/29/1998 |
| 5807202 | Differential speed transmission A transmission for changing the rotational speed of an engine input shaft to a driven output shaft. The transmission includes a first and second face gears. Each face gear has first and second sets of teeth formed on it. Each set of teeth forms an annular... | 09/15/1998 |
| 5634863 | Drop box with angled input shaft A power transfer system is disclosed having a drop box for connecting a motor vehicle's drivetrain to an offset driveline. The drop box has an input that is angled relative to its output by means of a constant velocity (CV) universal joint. More specifica... | 06/03/1997 |
| 5560256 | Base support for movable objects A base support for a moveable object, particularly an amusement ride employing a stepping motor and stepping motor controller to move the object in fine increments. The base support is attached to an upstanding mounting member. An amusement ride is attach... | 10/01/1996 |
| 5533418 | Spherical robotic shoulder joint A two-degree-of-freedom spherical shoulder joint for a robot. The joint consists of a spherical ball member with gear teeth formed in its outer surface and three drive gears that mate with the gear teeth in the outer surface of the spherical member. The j... | 07/09/1996 |
| 5509866 | Epicyclical galactic cluster gearing system An epicyclical system of miter, bevel, worm and spur gears, plus joining members that may be adapted to, or be embodied in, a wide variety of devices in the field of applied mechanics including, but not limited to: (a) absorption of energy from fluid stre... | 04/23/1996 |
| 5219146 | Gear operated squeeze off tool A squeeze off tool for a flexible pipe includes a vice arrangement involving a first member below the pipe and a second member above the pipe, with a framework guiding the second member for movement toward and away from the first. A power screw has one en... | 06/15/1993 |
| 5135442 | Gear arrangement for transmitting torque through an angle A gear arrangement includes a horizontally inclined rotary shaft having a pinion and two face gears rotating in parallel but axially spaced planes. The two face gears are in meshing engagement with the pinion. Each face gear rotates about a shaft that inc... | 08/04/1992 |
| 5105687 | Built-in rack apparatus For breaking out a drill rod joint, a hydraulic chuck is mounted by a housing for clampingly engaging a drill rod and for rotation to break a rod joint, the chuck being rotated by a first gear that is bolted to a drive tube which mounts the chuck. A hydra... | 04/21/1992 |
| 5078021 | Multi-axis mechanical manipulator In a multi-axis mechanical manipulator with adjustable travel and protection against overloading. The movement is transmitted to the indexing mechanism (10) by the combination of a sliding rotor motor (2) of a reducing gear with wheel and endless screw (3... | 01/07/1992 |
| 5062320 | Differential mechanism The differential comprises a drive input element, two output cam members each rotatable about a common axis, each cam member having a single angular cam surface thereon of undulating form arranged such that the cam surfaces on the cam members converge tow... | 11/05/1991 |
| 5009115 | Device for driving in rotation a structure of large diameter particularly an antenna An apparatus for rotating structures such as large antennas which incorporates a motor for controlling rapid rotation of the structure through a ring gear and a screw jack which is selectively coupled to the ring gear for controlling a slower more exactin... | 04/23/1991 |
| 4930057 | Searchlight drive means and apparatus Apparatus is described for a searchlight in which a lamp is mounted in a housing for both vertical and horizontal movement. Vertical drive means which is mounted in the housing includes a gear having a tooth portion and a ramp portion to permit up and dow... | 05/29/1990 |
| 4854808 | Multi-articulated industrial robot with several degrees of freedom of movement An industrial robot comprising a column housing a first group of coaxial hollow shafts rotatably coupled to a first articulated joint positioned at about 60° to the first group of hollow shafts. A second group of coaxial hollow shafts receives the rotati... | 08/08/1989 |
| 4838117 | Camera panner A panner for a camera or the like has a base on which is mounted a housing carrying a support for the camera or the like mounted above the housing. Drive means serve to rotate the housing relate to the base about a first axis so that the camera may be cla... | 06/13/1989 |
| 4828453 | Modular multimorphic kinematic arm structure and pitch and yaw joint for same A multimorphic kinematic manipulator arm is provided with seven degrees of freedom and modular kinematic redundancy through identical pitch/yaw, shoulder, elbow and wrist joints and a wrist roll device at the wrist joint, which further provides to the man... | 05/09/1989 |
| 4821831 | Throttle control device A throttle control device includes a first gear 5 rotatable corresponding to the depression of an accelerator pedal 1 of a vehicle engine a first motor 8 engaged with a second gear 6 meshed with the first gear, the first motor being actuated upon a tracti... | 04/18/1989 |
| 4807486 | Three-axes wrist mechanism A three-axis wrist mechanism has first, second and third independent rotational axes with two points of mutual intersection which are offset from each other, the first axis being inclined at a fixed angle relative to at least one input drive axis of an in... | 02/28/1989 |
| 4787262 | Wrist device of robot The present invention relates to the wrist device of a robot which has a speed reducers built in a wrist portion and which attains three degrees of rotating freedom orthogonal to one another, and is characterized in that three transmission shafts penetrat... | 11/29/1988 |
| 4765448 | Inching drive An inching drive unit for a brake unit, clutch/brake unit, or the like is disclosed for which an inching motor is able to drive an accessory attached to the main motor through the main motor shaft. The inching drive unit includes a clutch unit for selecti... | 08/23/1988 |
| 4762016 | Robotic manipulator having three degrees of freedom A robotic manipulator provides three degrees of freedom of movement of an end effector or gripper using only motors which are mounted on a frame. Included is a first actuator assembly providing rotation of a first input link about first and second axes. A... | 08/09/1988 |
| 4733737 | Drivable steerable platform for industrial, domestic, entertainment and like uses This invention comprises a driveable, steerable platform for industrial, domestic, entertainment and related uses. A frame member travels on a plurality of wheels which can be turned 360° to steer the platform in a desired direction. Separate endless dri... | 03/29/1988 |
| 4712983 | Air compressor accessory driven by portable electric drill A pneumatic pump has provision for being driven by a conventional electric hand drill and chuck that are un-modified so that they can be detached by loosening the chuck jaws and used for other purposes. The provision includes first and second input shafts... | 12/15/1987 |
| 4703668 | Wrist mechanism for a robot arm An improved wrist mechanism for a robot arm is disclosed. A first drive mechanism is provided which includes a hollow upper knuckle portion adapted for rotation about a first axis. The upper knuckle portion terminates in an angled end. A second drive mech... | 11/03/1987 |
| 4688984 | Wrist driving mechanism for industrial robot A wrist driving mechanism for an industrial robot has a first base wrist unit (13) supported on the free end of a robot arm (11) and capable of rotating about a first axis (γ). The first base wrist unit (13) is mounted with a second base wrist unit (14) ... | 08/25/1987 |
| 4686402 | Drive device for inducing swinging, rotation and linear movements A drive for inducing pivoting rotational and linear movements includes a drive unit comprising two coaxial motors and having a pivot axis and a rotation axis normal to the pivot axis, and a drive element formed as a linear drive. The drive unit operated t... | 08/11/1987 |
