Quotables
"The radio craze will die out in time."
Thomas Edison ; 1922
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 |
| 7074151 | Drive configuration for a skid steered vehicle An electric drive configuration for a skid steered vehicle comprises: a pair of propulsion motors (74a, 74b), each with a motor shaft protruding from both ends of the motor and mounted on the same axis across the vehicle, each being coupl... | 07/11/2006 |
| 6415679 | Manual drive for positioning precision instruments A carriage adapted for carrying a laboratory instrument such as a pipette, electrode, or syringe is driven by a drive shaft in the form of a lead screw. The lead screw is selectively driven by a high speed drive wheel or by a low speed drive wheel. The dr... | 07/09/2002 |
| 6109127 | Power transmission system employing a motor and an engine A power transmission system includes a motor connected to a variable pulley device via a uni-directional device and an engine connected to a clutch device via a uni-directional device. A pulley device is disengagably connected to the clutch device and con... | 08/29/2000 |
| 5214972 | Fault-tolerant linear electromechanical actuator A linear electromechanical actuator includes back-to-back screw-type actuators whose screw nuts are secured together. During operation, the leadscrew of one screw-type actuator is rotated while the leadscrew of the other screw-type actuator is locked.... | 06/01/1993 |
| 5178028 | Offset face gear transmission A gear arrangement for an offset transmission includes two concentric, counter-rotating face gears in meshing engagement with an engine output shaft, the face gears being connected to respective concentric, vertical counter rotating face gear shafts of un... | 01/12/1993 |
| 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 |
| 4881436 | Transverse cutter for sheet materials A transverse cutter for fine papers consists of two mutually co-operating cutter rolls, of which one is directly driven by two electric motors. The upper cutter spindle is driven with the lower cutter spindle by a gear wheel driver at each end, which driv... | 11/21/1989 |
| 4742891 | Elevator system A compact and simple elevator system is disclosed which does not require a counterweight, a hoistway rope, a winding drum, safety devices such as an emergency stopping device, a speed governor or the like, and in which the installation space as well as th... | 05/10/1988 |
| 4719816 | Device for positioning an actuator A linearly reciprocable actuator is reciprocated by a mechanism which includes a rotatable part which is operably connected to the actuator to produce linear movement of the actuator in response to rotation of the rotatable part. A fine drive motor is ope... | 01/19/1988 |
| 4704065 | Wrist for an industrial robot A wrist for an industrial robot with a movable arm is arranged at the outer end of the robot arm and comprises partly a first housing mounted at the end of the arm and journalled for rotation about a first axis which is substantially parallel with the lon... | 11/03/1987 |
| 4636138 | Industrial robot An industrial robot is disclosed which is movable about six revolute axes, and which is modular in nature, to permit it to be configured to efficiently operate in a number of different applications. The robot includes a support stand defining a first prim... | 01/13/1987 |
| 4552505 | Industrial robot having direct coaxial motor drive An industrial robot is disclosed which includes three primary drive units defining three separately controlled axes of movement, and an outer arm assembly having three additional axes of movement. The three primary drive units are interconnected so that a... | 11/12/1985 |
| 4506509 | Gas turbine plant A gas turbine plant including one or more gas turbine units comprises a base member formed like a box having square end walls and four side walls joined thereto. An output shaft is journalled centrally in the end walls and carries a gear wheel, the diamet... | 03/26/1985 |
| 4467666 | Torque support A torque support is provided having a casing supported by a pair of symmetrically arranged steering rods which are pivotally mounted to a pair of upwardly slanted guide rods. The guide rods are pivotally supported on a base member. Inter-connecting the gu... | 08/28/1984 |
| 4306640 | Multi-range hydraulic drive A multi-speed hydrostatic drive is disclosed. The drive comprises the combination of a drive unit having at least one output connectable to a motive member and at least first and second inputs. A clutch unit is connected to the first drive unit input, and... | 12/22/1981 |
| 4281564 | Power train or transmission A power train infinitely variable from substantially 1:1 ratio to a very high ratio, employing a pair of planetary gear assemblies, each including a sun gear, a ring gear and a planetary carrier having at least one planetary gear operatively connecting th... | 08/04/1981 |
| 4195905 | Automatic biaxial sun tracking mechanism for solar energy utilization devices The instant invention is an automatic biaxial sun tracking mechanism for use with solar energy utilization devices. Said devices are mounted on said invention, said devices forming no specific part of said invention. The invention is comprised of three pr... | 04/01/1980 |
| 3993152 | Automatic four-wheel drive transfer case A power transfer mechanism incorporated in a multiple path drive system comprises a transfer case disposed between a source of input torque and a pair of drive axles. Torque is transferred directly to one drive axle and is transferred automatically to the... | 11/23/1976 |
