Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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 |
| 7353920 | Fluid cooled brake housing A housing (10) for a braking system (56) comprises a casing (12) defining a cavity (14) for housing one or more friction pads (15). The casing (12) is composed of a plurality of separate walls including a circumferential wal... | 04/08/2008 |
| 7243581 | Fixed torque limiting driver A clutch assembly for use with a torque limiting driver. The clutch assembly comprises two relatively rotatable clutch plates, a driving plate and a camming plate, that face one another, with a plurality of rolling members housed between the two members. The driving... | 07/17/2007 |
| 7228746 | Strain-measuring device The invention relates to a miniature, integrated strain-measuring device with a simple and economical design which can be mass produced at least cost and comprising reliable, reproducible and tamperproof settings. The inventive device can be quickly installed on the... | 06/12/2007 |
| 7222822 | Linear actuation device for spacecraft and solar generator unfolding systems A linear operating device is provided that includes a way of converting a rotational motion into a translational motion, realized in the form of a nut, a rotating drive unit and a spindle acting in conjunction with the nut; and the nut is connected to the spindle wi... | 05/29/2007 |
| 7222700 | Roller disk brake for a winch A brake mechanism having a motor output shaft outputting a driving torque in a power-in and a power-out direction. A camming device operably couples the output shaft to a drive shaft for fixed rotation. A one-way clutch operably couples the drive shaft and a brake d... | 05/29/2007 |
| 7168533 | Rotor brake as well as rotor and rotary-wing aircraft with such a rotor brake A rotor brake includes a braking force absorption element non-rotatably connected to a rotor shaft; a stationary brake actuator for actuating a braking force transmission element that is functionally coupled to the braking force absorption element so as to exert a b... | 01/30/2007 |
| 7168355 | Fiber chopper and method of chopping A method and apparatus for chopping long unwound items like fiber, fiber strands, yarn, etc. The chopper has a backup roll, a blade roll and a biasing system for forcing the backup roll and the blade roll together at a desired force during set up and operation. The ... | 01/30/2007 |
| 7143888 | Combined no-back and torque limiter A combined no-back and torque limiter device that automatically prevents back-drive and over-torque actuator conditions with a combination of two compression-type brakes that are selectively operated with a self-energised ball ramp set and torsional spring mechanism... | 12/05/2006 |
| 7114601 | Torque transfer limiting arrangement for a rotational drive shaft A torque transfer limiting arrangement for a rotational drive shaft. The arrangement includes a torque sensing device for sensing torque within the drive shaft and outputing a signal indicative of the sensed torque. A braking device of the arrangement is actuatable ... | 10/03/2006 |
| 7113855 | Process for controlling front or rear spoilers Method of controlling front or rear spoilers in which at least the rotational speed, the engine torque, the temperature and the standing time (tSTAND) are determined. The required engine power is determined from the detected engine torque, and the front o... | 09/26/2006 |
| 7077246 | Fall safety device A fall safety device is provided having a load-bearing rotor 2, which supports at least one locking member 6, which can be moved by centrifugal force and which is moved into engagement with at least one stop 7b of a stator 4 if a c... | 07/18/2006 |
| 7073638 | High efficiency brake for agricultural drive systems A high efficiency drivetrain for an agricultural irrigation system is described. The drivetrain includes a ball ramp brake to inhibit movement of a wheel tower when the drive gear motor is not engaged. In one embodiment, the ball ramp brake is a bi-directional ball ... | 07/11/2006 |
| 7018296 | Gear drive with integrated torque limiting coupling A gear drive has a drive housing (1, 2) with a driveshaft (3) exiting the drive housing (1, 2) through a bore (10). The driveshaft 13 is rotatably supported in the drive housing (1, 2) around an axis of rotation X—X. A con... | 03/28/2006 |
| 6997297 | Coupling assembly A roller thrust bearing assembly is effective to transmit force along a path extending between two members. The roller thrust bearing assembly includes a circular disc with an annular array of spaced apart slots. Each of the slots has a longitudinal central axis whi... | 02/14/2006 |
| 6978985 | Mechanism type non-sectional locking buffer device A non-sectional locking buffer device. The device utilizes a screw ascending and descending principle as a buffering function, wherein ball bearings or outer screw grooves are configured on a central shaft of the buffer device to operate in coordination with inner s... | 12/27/2005 |
| 6974107 | Thrust reverser system actuator having an integral torque limiter A thrust reverser system actuator assembly is provided that includes a torque limiter to limit the number of torque that may be applied to the actuator assembly. The actuator assembly includes an actuator and a torque limiter assembly. The actuator is adapted to rec... | 12/13/2005 |
| 6974015 | One-way bidirectional clutch According to the present invention, a one-way, bi-directional clutch, includes an outer casing, an input shaft, an output shaft and a brake assembly. The input shaft includes a release cam portion and the output shaft includes a locking cam portion. The brake assemb... | 12/13/2005 |
| 6962355 | Active toe angle adjustment mechanism A toe angle adjustment mechanism includes an electrical linear actuator, a control lever, and an interconnection arm, wherein the electrical linear actuator is mounted on a rear cross member of a vehicle having a pair of rear wheels. The control lever, pivotally att... | 11/08/2005 |
| 6928894 | Compensated actuator with optimized power An actuator combining mechanical and hydraulic forces includes a cylindrical body and a piston that can slide relative to the cylindrical body. The piston and the cylindrical body are connected by a mechanical system for transmitting mechanical power that constitute... | 08/16/2005 |
| 6926234 | Electromechanical turbojet thrust reverser with continuous position control A turbojet thrust reverser includes two doors each controlled by a respective electronic control unit, at least one sensor per door measuring at least one item of position data concerning the door, at least one sensor of each door being connected to the electronic c... | 08/09/2005 |
| 6886678 | Clutch assembly for electric motors to prevent back drive A clutch assembly 10 is provided for a motor having a shaft 36, a worm 40 associated with the shaft and an output gear 42 engaged by the worm. The clutch assembly includes a clutch body 12 having a plurality of pockets 22 in... | 05/03/2005 |
| 6827183 | Skewed roller brake assembly A skewed roller brake assembly (20) has a main axis of rotation (x—x), has a first plate (21) adapted to be rotated about the main axis, has a second plate (22) adapted to be rotated relative to the first plate about the main axis, and has an ... | 12/07/2004 |
| 6814191 | Thrust reverser system with a pass-through torque activated brake A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spring. When a... | 11/09/2004 |
| 6719106 | Duplex skewed-roller brake disc A skewed-roller brake assembly 10 is provided, including a first rotor disc 12 and a second rotor disc 12. A stator disc 14, positioned between the first and second rotor discs 12, includes a plurality of skewed-roller slots 16 ... | 04/13/2004 |
| 6666307 | Thrust reverser system with a pass-through torque activated brake A thrust reverser system that includes a pass-through torque activated brake assembly that limits the torque applied in portions of the thrust reverser system drive train. The brake assembly includes two plates that are coupled together with a torsion spr... | 12/23/2003 |
| 6659398 | Two-brake torque limiting device The apparatus of the invention enables a two-brake torque limiting device to fix the position of one or more flaps and/or slats on an airplane wing when unplanned or abnormal conditions exist. The two-brake torque limiting device may include a trigger bra... | 12/09/2003 |
| 6616096 | Failsafe arrangement A failsafe arrangement comprising a first mounting member and a second mounting member which is angularly moveable relative to the first mounting member. The first and second mounting members define first and second surfaces respectively which define ther... | 09/09/2003 |
| 6464061 | Clutch device An object of the present invention is to provide a clutch device capable of providing a simple structure, greatly reducing power-application cost and component cost, reducing weight and improving convenience. The clutch device is constituted to include a ... | 10/15/2002 |
| 6338398 | Vehicle with braking force retaining unit A vehicle with a braking force retaining unit, which retains braking force after releasing the brake pedal, wherein driving force of the vehicle is increased if displacement of the vehicle is detected while the braking force retaining unit is in operation... | 01/15/2002 |
| 6257388 | Anti-slip insert for a backstopping clutch A bi-directional back stopping clutch is provided having a hollow outer race, or drum, disposed about a first axis. The outer race includes a radially inner friction surface. The clutch also includes an input member rotatably supported within the outer ra... | 07/10/2001 |
| 6240797 | Linear actuator with anti-reverse-rotation mechanism A linear actuator includes two axially opposed bearings with built-in one-way clutch assembled in a housing member with respective outer races secured to the housing member such that respective directions in which inner races of the bearings are locked ag... | 06/05/2001 |
| 6224017 | Brake for a lift flap adjustment mechanism A brake for a flap adjusting mechanism and a method for condition monitoring are proposed. The brake has one or more temperature sensors (30). In the method for condition monitoring, the temperature signal is compared with a desired temperature (T1, T2) i... | 05/01/2001 |
| 6202803 | Output load limiter An output load limiter is provided in an actuator to prevent excessive drive torque from being transmitted from a primary mover through the actuator. The actuator includes a housing, an output shaft mounted for rotation in the housing about an axis, and a... | 03/20/2001 |
| 5950774 | Load limiter A load limiter for preventing stall torque from being transmitted from a power drive unit to the flight control surfaces of an aircraft. The present invention provides such a load limiter in a package having lower weight and smaller spacial requirements t... | 09/14/1999 |
| 5944148 | No-back brake Cooperating brake discs, rotors, and stators all are located at the same side of a pair of cam plate flanges. The cam plate flanges are coupled to an inner sleeve and input gear, respectively, with balls and ball ramp sockets for forcing apart the cam pla... | 08/31/1999 |
| 5937990 | Transmission with load brake A transmission with a load brake has a ball spline and a stabilizer ring for reducing chatter, a seal for preventing leakage, and an adjustment mechanism for extending the effective life of the brake disk stack. In the past, transmissions equipped with We... | 08/17/1999 |
| 5934423 | Pipe restraint and method for using the same A pipe restraint and methods for its use are disclosed. The pipe restraint includes a hollow cylindrical housing of varying diameter. A shaft having first and second wedges is received by the housing. The housing is attached to a fixed structural member, ... | 08/10/1999 |
| 5915676 | Lever-type frictional resistance force variable system The present invention provides a lever-type frictional resistance force variable system comprising an arm whose upper end is rotatably supported by an upper beam; a supporting member which is fixed to a lower beam to rotatably support the intermediate por... | 06/29/1999 |
| 5901817 | Torque limiter with trip indicator The torque limiter described herein is a device for preventing the transmission of torque from a drive source to a torque responsive element when a predetermined torque limit has been reached. The device also provides subsequent mechanical indication that... | 05/11/1999 |
| 5865284 | Formlock shoes with flats A bi-directional back stopping clutch having improved output pins connecting between brake shoes and an output member. During driving, the output pins transfer torque to the output member. When a sufficient back driving force is applied to the output memb... | 02/02/1999 |
