Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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 |
| 8172713 | Rotation output device A rotation output device including a lock mechanism for automatically locking an output shaft without inertia or a need to pivot the output shaft by the operator after the input shaft stops rotating. The rotation output device includes an output gear for inputting a... | 05/08/2012 |
| 8075439 | Automatic opening-closing device An automatic opening-closing device, especially for a cover or seat of a toilet, has a motor having a motor shaft, a speed reducer connected to the motor shaft, a planetary gearbox driven by the speed reducer, an output axle for driving the cover between an open pos... | 12/13/2011 |
| 7731618 | Clutch mechanism A clutch mechanism includes clutch members having an engaged position, in which torque generated by a drive is transmitted to an output, and a disengaged position, in which torque is not transmitted to the output. The clutch members are capable of slipping with resp... | 06/08/2010 |
| 7695393 | Mechanical launch assist propshaft assembly A propeller shaft and energy storage assembly includes a first power transfer mechanism for selectively drivingly interconnecting the propeller shaft and an energy storage device to store energy within the energy storage device. A second power transfer mechanism is ... | 04/13/2010 |
| 7537540 | Electric motor driven screw driving or drilling tool device with planetary gear An electric motor-driven screw driving or drilling tool device with a planetary gear, comprising a ring gear and planet wheels mating with the ring gear, wherein the ring gear can be locked and fixed relative to the housing via locking bodies which are pretensioned ... | 05/26/2009 |
| 7473204 | Propeller shaft assembly with energy storage mechanism and controlled clutch A propeller shaft and energy storage assembly includes a first power transfer mechanism for selectively drivingly interconnecting the propeller shaft and an energy storage device to store energy within the energy storage device. A second power transfer mechanism is ... | 01/06/2009 |
| 7410441 | Multispeed power tool transmission A portable power tool having a relatively compact multi-stage, three-speed transmission and a related method for operating a power tool with a multi-stage, three-speed transmission. ... | 08/12/2008 |
| 7404781 | Multispeed power tool transmission A method for operating a portable power tool having a multi-stage, three-speed transmission. ... | 07/29/2008 |
| 7377871 | Transfer case with torque limiting clutch assembly A power transfer unit is provided with a torque limiting coupling that limits the amount of torque that can be transferred to the driveline components when torque peaks occur while torque is transferred to the non-slipping wheels. The torque limiting coupling includ... | 05/27/2008 |
| 7367358 | Medical fluid delivery system and method relating to the same A medical fluid delivery system for the use in the delivery of medical fluids. The medical fluid delivery system may include a pumping system, a disposable medical fluid line set and a valve operating system. The disposable tubing line set may include valves adapted... | 05/06/2008 |
| 7360607 | Hand-held power tool with a torque-limiting unit A hand-held power tool has a motor output shaft, a tool driver, a torque-limiting unit with which a maximum torque transferred from the motor output shaft to the tool driver is adjustable by an operator; an actuating element that adjusts the torque-limiting unit, an... | 04/22/2008 |
| 7223195 | Multispeed power tool transmission A portable power tool with a housing, a motor having a motor output member, a driven member and a transmission. The transmission, which is located in the housing, is configured to receive a rotary input from the motor output member and to produce a rotary output tha... | 05/29/2007 |
| 7220211 | Multispeed power tool transmission A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated ... | 05/22/2007 |
| 7201691 | Electro-hydrodynamic superimposed steering system A superposition steering system for tracklaying or wheeled vehicles with nonpivoting wheels with a drive system (1) and a zero shaft (10, 10′) to transfer the drive power from one drive side to the other, via at least one steering differential gear (... | 04/10/2007 |
| 7118507 | Automatic reduction-ratio changing apparatus An automatic reduction-ratio changing apparatus comprises a planetary gear mechanism including a sun gear, planet gears, and an internal gear. When a load, which exceeds a predetermined torque, is applied to the internal gear, a pawl of a lock lever is engaged with ... | 10/10/2006 |
| 7101306 | Bi-directional four-mode clutch for providing low and reverse gear ratios in a transmission A bi-directional overrunning clutch assembly employed in connection with a reduced capacity low friction clutch to provide low and reverse gears in a transmission. The clutch assembly including an inner race, an outer race, and engagement members supported therebetw... | 09/05/2006 |
| 7101300 | Multispeed power tool transmission A portable power tool with a housing, a motor having a motor output member, a driven member and a transmission. The transmission, which is located in the housing, is configured to receive a rotary input from the motor output member and to produce a rotary output tha... | 09/05/2006 |
| 6984188 | Multispeed power tool transmission A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the transmission stage to be operated ... | 01/10/2006 |
| 6875145 | Rotary actuator A geared rotary actuator comprising first and second reduction gear trains, an earth for fixing the actuator in use, and an output member moveable relative to said earth for connection to a component to be moved by the actuator, said first and second reduction gear ... | 04/05/2005 |
| 6857983 | First stage clutch A clutch assembly for limiting a torque output of the power tool. The clutch assembly includes an annular rotatable clutch member, which is coupled to the ring gear of a planetary gearset in a transmission, and an engagement assembly. The clutch member has a clutch ... | 02/22/2005 |
| 6830531 | Control strategy for load sharing between a friction clutch and one-way clutch to effect low and reverse gear ratios in a transmission Pursuant to the control strategy of the present invention, torque load may be shared between the low/reverse friction clutch and a one-way clutch to effect low and reverse gear ratios in a transmission. This may be accomplished by engaging the friction clutch during... | 12/14/2004 |
| 6824490 | Planetary gear reduction device with torque limiter function A planetary gear reduction device with a torque limiter function includes a housing, an input shaft rotatably supported by one end of the housing and connected to a power source so as to input a torque from the power source, an output shaft rotatably supported by th... | 11/30/2004 |
| 6715379 | Power transmission device of all terrain vehicle and all terrain vehicle An all terrain vehicle comprising a V-belt continuously variable transmission and a gear-type transmission, being capable of transmitting drive torque from an engine with controlled engine braking but without loss of the torque, thereby giving a rider an improved dr... | 04/06/2004 |
| 6692399 | Differential torque limiter A differential coupling (20) has a body (21), a rotary input member (22), and two rotary output shafts (23, 24). The algebraic sum of the angular displacements of the output shafts is proportional to the rotation of the input member. The improvement inclu... | 02/17/2004 |
| 6682454 | Planetary gear reduction device with torque limiter function A planetary gear reduction device with a torque limiter function includes a housing, an input shaft rotatably supported by one end of the housing and connected to a power source so as to input a torque from the power source, an output shaft rotatably supp... | 01/27/2004 |
| 6676557 | First stage clutch A clutch arrangement for a power tool having a multi-speed transmission. The clutch arrangement includes a clutch member and a follower member. The clutch member is coupled to a member of the transmission that is proximate the torsional input of the trans... | 01/13/2004 |
| 6419606 | Aircraft control surface drive apparatus A drive assembly is operable to move control surfaces on wings of an aircraft. The drive assembly may include a gear reduction assembly which is driven by a pair of motors. The drive assembly has output members which are connected with the control surface... | 07/16/2002 |
| 6244984 | Switch gear with at least two gear stages A switch gear with at least two gear stages is provided. At least one gear stage is configured as a switching stage, whereby at least one switching stage is formed by a coaxially nonrotatable sunwheel on a drive shaft, by at least one planet carrier carry... | 06/12/2001 |
| 6102828 | Electrohydraulic control unit An electrohydraulic control unit for operating an actuator of a hydraulically controllable device is disclosed. The electrohydraulic control unit comprises a housing including a chamber for hydraulic fluid. The housing is coupled to the actuator such that... | 08/15/2000 |
| 5951428 | Rotation transmission device A rotation transmission device mounted on a 4WD car can stop the front drive train during 2WD mode, and also permits smooth changeover from 2WD to 4WD even while the vehicle is moving. The rotation transmission device is mounted in a transfer which transm... | 09/14/1999 |
| 5897454 | Automatic variable transmission for power tool An automatic transmission (30) for a power tool includes reduction gearing (42-58) coupled between a motor (24) and an output member (28). A mechanism for adjusting speed (60) of the output member (28) is coupled with the reduction gearing (42-58). The me... | 04/27/1999 |
| 5857380 | Starter having planetary gear reduction device To reduce the size of a starter for installing it in a smaller engine compartment, the rotational speed of the starter motor has to be high and it is reduced to a certain speed through a reduction device to obtain a higher torque. To realize a high reduct... | 01/12/1999 |
| 5819583 | One-way clutch with resilient ring and starter using the same In a one-way clutch used in a starter for engines, a locking concave for locking a roller thereto is formed on a roller-moving surface of one clutch member having a peripheral surface facing a peripheral surface of the other clutch member having a wedge-s... | 10/13/1998 |
| 5779587 | Jam tolerant rotary actuator with shear pins and disengagement coupling A jam-tolerant geared rotary actuator, capable of performing in a normal operating mode and a jam-tolerant operating mode, which includes: an output spline member for releasably connecting the movable ring gear to the output ring; a decoupling member whic... | 07/14/1998 |
| 5711739 | Planetary gear transmission system A planetary gear transmission gear system comprises a main planetary gear train composed of a main sun gear, a main ring gear, and main planet gears. The main sun gear is driven by an input rotary shaft to rotate. A sub planetary gear train is included to... | 01/27/1998 |
| 5136197 | Reaction containment drive for power tool A reaction containment drive apparatus for a power tool includes a motor having an outside case free to rotate within the tool casing, and an internal drive shaft. A planetary gear set is an integral portion of the drive. It has three parts, namely, a cen... | 08/04/1992 |
| 5083990 | Two-speed power transmission for a power tool A two-speed power transmission for a power tool comprises a housing (10), an input shaft (20), an output shaft (15), a planetary gear (18) and a torque responsive gear shift mechanism (19) for directing torque through the planetary gear (18) in a high tor... | 01/28/1992 |
| 5080642 | Rotation transmission device with a torque limiting transmission gear mechanism A rotation transmission device with a torque limiting function comprises a cylindrical housing 10, a first rotation member 20 supported on a first bracket 12 via a one-way clutch bearing 14, a second rotation member 30 integral with the output shaft 33, a... | 01/14/1992 |
| 5071397 | Jam tolerant geared rotary actuator with automatic disconnect A geared rotary actuator (1) including planet gears (2) disposed around a shaft (S), sun gears (8, 9) meshing with the planet gears (2) and with axially displaceable ramp members (10, 11) splined to the shaft (S) at least a pair of ball members (13, 14) a... | 12/10/1991 |
| 4898249 | Rotary electric tool A rotary electric tool in which a differential gear mechanism is mounted within a gear case fixed to a housing for example; projections are formed on the outer peripheral surface of an internal gear of a final planetary gear mechanism in the differential ... | 02/06/1990 |
