Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7350977 | Double-row ball bearing and bearing device for supporting pinion shaft A ball bearing with double raceway rotatably supports a pinion shaft having a pinion gear on its one end. This ball bearing with double raceway is provided with: an outer ring member having a large-diameter raceway surface and a small-diameter raceway surface; an in... | 04/01/2008 |
| 7299888 | Pump unit and working vehicle First pump shaft having an input end is on a side opposite PTO shaft in the vehicle width direction with second pump shaft in between. First and second pump shafts are supported by a pair of bearing members respectively provided at second end wall and lid member so ... | 11/27/2007 |
| 7270026 | Differential assembly A differential having a differential case, a pair of side gears disposed in the differential case and a biasing element disposed between the side gears to force the side gears against the differential case, creating a torque bias between the side gears and the diffe... | 09/18/2007 |
| 7231848 | Transfer case with dual chain transfer mechanism A transfer case for use in a motor vehicle to selectively transfer drive torque from a powertrain to first and second pairs of wheels. The transfer case includes an input shaft driven by the powertrain and an output shaft selectively driven by the input shaft. A tra... | 06/19/2007 |
| 7223192 | Differential A limited slip differential is provided with a rotatable casing for receiving input from an engine, a differential gear set of a bevel gear type and a pair of clutches. The differential gear set is provided with a pinion shaft supported in and rotated with the casin... | 05/29/2007 |
| 7216751 | Torque transmission coupling In order to form a torque transmission coupling to be compact, the present invention provides a torque transmission coupling (1) comprising input-output rotary members (57, 59) rotatably supported to perform input-output transmission of torque; a frict... | 05/15/2007 |
| 7175012 | Transmission for a walk-behind lawn mower A transmission device between a primary motor shaft and a drive shaft for the wheels of self-propelled lawn mowers having a driving member connectable to a motor shaft, an output shaft, and a helically threaded driven gear rotatably mounted and moveable axially on t... | 02/13/2007 |
| 7165471 | Thermally compensated differential A thermally compensated differential comprises a housing, a pinion gear mounted into the housing, a differential case carrying a ring gear with the case being supported by a first roller bearing and a second roller bearing with the bearings being mounted indirectly,... | 01/23/2007 |
| 7159481 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 01/09/2007 |
| 7146869 | Ball screw device and linear motion device A spacer between adjacent balls of, for example, a ball screw device or a linear motion device has an outer periphery that is concave such that the spacer is elastically deformed to be in substantially circular line contact with the adjacent balls and that a distanc... | 12/12/2006 |
| 7140268 | Compact power transfer unit A motor vehicle power transfer unit includes an input portion, an output portion, a non-parallel gear set and a parallel gear set. The input portion is adapted to connect to an output portion of a transmission assembly and the output portion is adapted to connect to... | 11/28/2006 |
| 7093513 | Differential side gear and the production method thereof A one piece extruded differential side gear comprising internal splines which are used to connect to a drive shaft. The differential side gear includes outer circular gear teeth and defines a rectilinear blind hole in which an end portion of the drive shaft is recei... | 08/22/2006 |
| 7086983 | Differential with pinion bearings supported on input yoke A differential having pinion bearings supported on the input yoke is provided. The differential includes a housing having an opening through which a pinion shaft extends. The input yoke is disposed about a portion of the pinion shaft and one or both pinion bearing s... | 08/08/2006 |
| 7051619 | Vehicle axle assembly with internally-splined input shaft A motor vehicle axle assembly includes a hollow cylindrical, internally-splined input shaft that is adapted to be connected to an externally-splined shaft of an end fitting of a driveshaft assembly. By using the mass centerline or center of balance of the end fittin... | 05/30/2006 |
| 7036391 | Differential unit A protruding section facing a drive pinion shaft is integrally provided on (or provided as a separate component) a tubular spacer interposed between an inner race of a pilot bearing and an inner race of a tapered roller bearing at an inner section opposite to the dr... | 05/02/2006 |
| 6962097 | Mechanical steering transmission unit The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed. ... | 11/08/2005 |
| 6848531 | Drive system for small vehicle A small vehicle features a drive system that directs power from an engine unit to at least one driven wheel. The driven wheel is connected to a half shaft. The half shaft is driven by a ring gear. The ring gear is driven by a pinion gear. The pinion gear is connecte... | 02/01/2005 |
| 6813968 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 11/09/2004 |
| 6805019 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 10/19/2004 |
| 6766708 | Gear ratio multiplier In a first embodiment of the invention, a gear ratio multiplier has directly cooperating gears which serve to rotatably connect an input shaft to an output shaft through an intermediate shaft. The input and output shafts have parallel axes of rotation and extend, re... | 07/27/2004 |
| 6745471 | Bevel gear bearing support arrangement manufacturing method A method of manufacturing involves providing a sub-unit including a shaft and a bevel gear associated with the shaft, and also providing a first support member and a second support member. A first bearing is positioned between the sub-unit and first support member. ... | 06/08/2004 |
| 6689009 | Compact differential assembly A compact differential assembly includes a differential case defining a cavity, a set of pinion mate gears rotatably mounted within the cavity in a free-floating manner, and a pair of opposite side gears drivingly engaging the differential pinion mate gea... | 02/10/2004 |
| 6510911 | Automobile with different diameter differential gear sets having the same gear ratio An automobile which is designed to be able to drive wheel tires by making use of a double series differential gear device 15 provided with both a first series gear constituted by a first ring gear 22A and a first drive gear 23A and a second series gear co... | 01/28/2003 |
| 6496767 | Constant groundspeed autoshift method and apparatus for maximizing fuel economy A method of determining shift points in a step gear transmission system to maximize fuel economy is disclosed. In operation, the method uses fuel economy data from a first gear ratio to determine a first series of constant fuel consumption curves for the ... | 12/17/2002 |
| 6478709 | Axle end play adjustment systems and methods In a differential/mechanism for transmitting power from a drive shaft to the axle shafts of a motor vehicle, an axle shaft end play adjuster is threadingly disposed at the end of the axle shaft adjacent the differential pinion shaft. The end play adjuster... | 11/12/2002 |
| 6326089 | Multi-element composite object A multi-element composite object composed from first, second, and third metal components is provided, wherein the first metal and the third metal are weld incompatible. The multi-element composite object includes a first component fabricated from a first ... | 12/04/2001 |
| 6318201 | Motor vehicle differential bearing pre-load mechanism A motor vehicle differential bearing pre-load mechanism which provides for the simultaneous use of a collapsible spacer which plastically deforms and has a close to linear load to deflection band on one side of a motor vehicle differential assembly and a ... | 11/20/2001 |
| 6182506 | Arrangement for performing a contact pattern test of bevel gears An arrangement performs a contact pattern test of bevel gears when they are produced. The arrangement includes a testing unit in connection with a machining apparatus, to which testing unit a finished bevel gear can be fastened to rotate around its axis s... | 02/06/2001 |
| 6135229 | Driving force transmitting apparatus for four-wheel drive vehicle A transfer 44 is connected, through a main transmission 42, to an engine 40 disposed in a front side of a vehicle, and a propeller shaft 52 is connected between the transfer 44 and a rear differential device 54 in a longitudinal direction of the vehicle. ... | 10/24/2000 |
| 6098480 | Worm gear assembly for drive axle A drive axle assembly for a vehicle receives input torque from an engine via an input shaft. The input shaft drives a worm which in turn drives a worm gear. The worm gear includes teeth which engage and drive an axle shaft which in turn drives a vehicle w... | 08/08/2000 |
| 6092337 | Vehicle liftgate power operating system A power operating system for opening and closing a vehicle liftgate has a pair of drive units supported on the vehicle roof and connected to the liftgate for opening and closing the liftgate. Each drive unit includes a bracket that is secured to the vehic... | 07/25/2000 |
| 6093127 | High lateral offset front differential A differential assembly for a vehicle having a housing and a differential mechanism rotatably mounted in the housing. The differential mechanism includes a support shaft transversely disposed therein for supporting a pair of rotating cross gears. The rota... | 07/25/2000 |
| 6024666 | Differential assembly for a work machine A differential assembly for a work machine is disclosed. The differential assembly includes a differential enclosure having a side wall and a shaft extending from the side wall. The differential assembly also includes a drive gear having a gear bore defin... | 02/15/2000 |
| 5896776 | Pinion gear with splined coupling directly to a drive shaft An pinion gear includes a shaft having an input end, an output end and an intermediate portion being disposed therebetween. The input end includes a spline portion for directly securing the pinion gear to a drive shaft. The output end includes gear teeth ... | 04/27/1999 |
| 5887484 | Transmission for self-propelled walking lawn mowers A transmission for self-propelled walking lawn mowers, comprising: a casing 17; an input shaft 5 vertically inserted into the casing 17; an output shaft 10 extending horizontally through the casing 17; a small gear 20 fixed on the input shaft 5; a large g... | 03/30/1999 |
| 5878830 | Space saving mounting for electrically driven vehicle wheels An improved mount for an electric motor and drive gear includes mounting both of the motor and drive gear within a gear housing for a vehicle wheel. The motor is mounted on one side of the drive axis of the wheel, and the drive gear is mounted in bearings... | 03/09/1999 |
| 5711738 | Conical roller bearing for supporting a pinion shaft of differential gear In a conical roller bearing for supporting a pinion shaft of a differential gear, the contact angle of a conical roller bearing for supporting the pinion shaft is controlled between 22° and 28°; the ratio of the diameter Da of the conical roller... | 01/27/1998 |
| 5690577 | Gear Mechanism A conventional gear mechanism for employment in, e.g., an accumulator driven electric bore machine or electric drill, is provided with an overload coupling provided with a light-weight plastic annular gear and a separate metal cam disk or guard plate whic... | 11/25/1997 |
| 5634374 | Multi-stage angle drive reduction gear box The reduction gear box comprises a housing, an input shaft having its longitudinal axis horizontal and coupled to a drive shaft, an output shaft having its longitudinal axis horizontal and coupled to a utilizer shaft, and several drive reduction stages wi... | 06/03/1997 |
| 5180346 | T-drive powertrain assembly for automotive vehicle with forward disposition of the axis for the forward traction wheels A T-drive power transmission mechanism comprising an engine with a crankshaft disposed perpendicularly with respect to the axis of the transmission gearing, the transmission including a hydrokinetic torque converter and a right angle drive connecting the ... | 01/19/1993 |
