William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7562757 | Actuating device with at least one actuating arm The invention relates to an actuating device for moving a flap of a piece of furniture, including at least one actuating arm for moving the flap, a base member on which the actuating arm is pivotally arranged, and a spring device able to act upon the actuating arm. ... | 07/21/2009 |
| 7322257 | Step down gear train for an adjusting device of an automotive vehicle seat A step down gear train for an adjusting device of an automotive vehicle seat which has an input shaft and an output shaft that is connected to a pinion. At least one first cogwheel and one second cogwheel are provided in the path between input shaft and output shaft... | 01/29/2008 |
| 7140598 | Freefall windlass with governor A freefall-type windlass includes appropriate gearing for moving the windlass spool in a retrieve direction to wrap anchor cable thereabout or to permit the anchor to drop by gravity thereby unwrapping the anchor cable from the spool. A governor gear is incorporated... | 11/28/2006 |
| 6966545 | Chain block A chain block with a drive motor (2) with a motor shaft (11), which is connected at the take-off side via a slip clutch (50) to a transmission input shaft (14), having a first gear (18a) and mounted in a housing (1) b... | 11/22/2005 |
| 6923294 | Lockable wheel A lockable shopping cart wheel (10) comprises a plastics hollow casing (12), an axle (22) on which the casing is rotatably mounted and a resetable locking mechanism that is mounted on the axle in the casing. The casing has an end wall (14... | 08/02/2005 |
| 6843356 | Rotating actuator A rotating actuator includes a shaft (24) and a mechanical stop device (23) for generating a stop to limit the rotation of the shaft in a direction of rotation. The stop device acts upon the shaft to prevent the shaft from rotating further in the direc... | 01/18/2005 |
| 6776273 | Starter having braking member for one-way clutch A starter having a one-way clutch connects with an output shaft via helical spline. A braking member is provided in a bearing portion of a center case adjacent to an end of the center case away from the motor. The clutch moves toward the rear via a lever when the st... | 08/17/2004 |
| 6723023 | Vehicle auxiliary braking system A vehicle auxiliary braking system is provided to accomplish a braking effect similar to engine braking inexpensively, to extend the life of the brakes, and to reduce the work cycle time in order to improve work efficiency. The system has a centrifugal sensor 20 | 04/20/2004 |
| 6697727 | Method and system for controlling a drivetrain retarder A method of operating a retarder control system for a drivetrain retarder such as an engine compression brake of a heavy-duty truck vehicle is disclosed. The method of operation includes three novel subsets each of which controls the operational state and... | 02/24/2004 |
| 6634874 | Scroll compressor with anti-reverse rotation clutch A low cost protective clutch member is positioned adjacent an end of the drive shaft in a scroll compressor. The device is a thin washer having a tab which is selectively driven against the housing stop when the compressor is driven in a forward direction... | 10/21/2003 |
| 6550597 | Emergency brake mechanism In an emergency brake mechanism of the present invention, a rotation input shaft is increased in rotation speed by a planetary set-up gear to centrifuge weights. Through the action of the centrifugal force of the weights, linings of the brake shoes are br... | 04/22/2003 |
| 6527095 | One-way force transmission A one-way transmission with a resetting function for use in ratchet mechanisms. The resetting spring for the actuating lever is arranged to also takes over the prestressing of the one-way transmission element. The integration of the following switch compo... | 03/04/2003 |
| 6370464 | Automatic gearbox with a downshift function For an automatic transmission (3) a downshift function is proposed in which, with the actuation of a brake pedal, a new downshift point (RA(NEU)) is calculated when the throttle valve is closed by adding to a basic downshift point (RS(ORD)) a characterist... | 04/09/2002 |
| 6017046 | Wheelchair apparatus The invention comprises a drive system for use in association with a wheelchair. The drive system includes at least one input gear system, a structure for powering at least one input gear system, at least one transfer gear system, a positioning member, an... | 01/25/2000 |
| 5991679 | Safety system for an automatic gearbox For an automatic gearbox (2) a safety system is proposed in which erroneous releasing of the clutch or brake during cross-over is detected by the fact that the time variations of the transmission input speed and of the product of the transmission output s... | 11/23/1999 |
| 5890988 | Automatic transmission for vehicle with reverse gear brake An automatic transmission for a vehicle with a reverse gear brake that includes a case. A predetermined rotational element, having gear teeth and an axis, is disposed within the case. The predetermined rotational element only operates as a rotational elem... | 04/06/1999 |
| 5873440 | Bearing and brake support assembly A bearing and brake support assembly includes a drive shaft and a bearing assembly. The bearing assembly has an inner race and an outer race. The inner race is secured around the drive shaft. The bearing and brake support assembly further includes a one-p... | 02/23/1999 |
| 5842952 | Control device for releasing an exhaust brake and engaging a lockup clutch simultaneously during a downshift A control device of an automatic transmission comprises a controller which detects accel off caused by the release of accelerating owing to the accel stamping in which lock-up clutch is released, and which proceeds command which releases the operation the... | 12/01/1998 |
| 5839984 | Failsafe brake system for a motor vehicle, in particular for a hydrostatic construction machine The invention relates to a drive system for a motor vehicle, in particular for a construction machine. A hydrostatic transmission unit comprising a variable displacement pump (25), a variable displacement motor (1) and a feed pump (26), is connected downs... | 11/24/1998 |
| 5832782 | Brake and shifting device A combined brake and shifting control device includes a brake lever housing, a brake lever pivotably coupled to the brake lever housing, a speed change housing, a ratchet mechanism disposed within the speed change housing, one or more shift levers coupled... | 11/10/1998 |
| 5803218 | Reverse brake for manual transmissions A synchronizer unit eliminates the chattering noise generated when shifting a manual transmission into reverse from a forward gear while the drive shaft continues to rotate in the direction corresponding with the forward gear by providing a reverse brake ... | 09/08/1998 |
| 5762582 | Drive unit with internal combustion engine and hydrodynamic retarder A drive unit, notably for a motor vehicle with an internal combustion engine and a transmission. The drive unit has two hydrodynamic retarders, each featuring a rotor and a stator. A primary retarder precedes the transmission in the power train and a seco... | 06/09/1998 |
| 4874067 | Automatic changeover for cartoners A cartoner having a main drive and elements such as transport lugs, product bucket elements that are adjustable to accommodate different sizes of cartons. The disclosure is directed to automatic means for varying the positions of those elements automatica... | 10/17/1989 |
| 4633984 | Braking arrangement for a rotary drive system The braking arrangement has an input shaft for connection to a drive shaft of the system. A brake device for the input shaft is urged towards operation by a spring released by an electric actuator. The input shaft is coupled to a flywheel by step-up geari... | 01/06/1987 |
| 4527680 | Locking device for movable storage rack A locking device for a manually movable wheeled storage rack is described, which storage rack is provided with a manually operated rotatable handwheel, and power transmission mechanism for transmitting the rotational power imparted to the rotatable handwh... | 07/09/1985 |
| 4282956 | Racking mechanism for bobbin machine The bobbin racking mechanism for a Jacquard machine comprises two stationary shafts arranged side-by-side on a fixed support. One shaft supports for free rotation a drive unit including a drive spur gear which supports on one face an input bevel gear pini... | 08/11/1981 |
| 4232769 | Racking mechanism for bobbin machine The bobbins in a jacquard-type lace-making machine are displaceable by means of mechanisms each constituted as an output member carrying one or two bobbins, a transmission member and a continuously rotating drive member. The drive and output members are f... | 11/11/1980 |
| 4231454 | Torque wrench with clutches in series A torque wrench is presented having a pair of clutches in series. One clutch is a one way clutch, preferably reversible, which transmits the input force in one direction during torquing operations; and the second clutch provides friction restraint against... | 11/04/1980 |
| 4048788 | Rotary power mower with improved clutch and brake mechanism A rotary power mower in which the cutter blade is fixed to the bottom of a cup-shaped rotor, freely rotatably suspended from a carriage that is slidably mounted for fore and aft movement beneath the deck of the mower chassis. The carriage is spring-urged ... | 09/20/1977 |
| 4033553 | Double-drum winch Double-drum winch has a hook drum for actuating a hook through a hook wire wound around the hook drum and a boom drum for actuating a boom which supports the hook through a boom wire wound around the boom drum each rotatably mounted on a drum shaft, a fir... | 07/05/1977 |