Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7779981 | Welded chain wheel In order to make available a clutch drum, which is connected to a toothed wheel, in particular a toothed wheel designed as a chain wheel for a motor saw, wherein a non-detachable connection of the toothed wheel and clutch drum is associated with a positive connectio... | 08/24/2010 |
| 7357234 | Roller type one-way clutch and roller for the roller type one-way clutch A roller type one-way clutch includes an outer ring and an inner ring disposed concentrically with each other for rotation relative to each other, the outer ring having an axially extending annular inner peripheral cam surface, the inner ring being disposed in the o... | 04/15/2008 |
| 7213693 | Rotational transfer mechanism A rotational transfer mechanism includes a rotary output shaft, a rotary input shaft positioned inside the rotary output shaft; a circumferentially-uneven-width-space forming portion having a cam surface, to form an accommodation space between the rotary input shaft... | 05/08/2007 |
| 7191880 | Over-running clutch pulley with increased surface microhardness The over-running clutch pulley (10) of a preferred embodiment of the invention includes a sheave member (20), a hub member (22) located substantially concentrically within the sheave member, and a clutch member (24), which cooperate to ro... | 03/20/2007 |
| 7175011 | Free-wheel with a free-wheel outer rim covered with fiber-reinforced plastic The invention relates to a free-wheel, in particular a pinch roller free-wheel or a pinch body free-wheel, comprising relatively-rotating elements arranged one within the other on a common axis, which form a gap, in which pinch elements, in particular pinch rollers ... | 02/13/2007 |
| 7128194 | Centrifugal clutch A centrifugal clutch for a vehicle for reducing the trouble occuring when the clutch capacity becomes insufficient due a modification to the vehicle, such that of increasing the engine output or the exhaust gas quantity. The clutch weight of the centrifugal clutch i... | 10/31/2006 |
| 7077249 | Drum brakes with interconnected multi-degrees-of-freedom shoes This invention is a new type of drum brake and its variants for motor vehicles, the shoe mechanism assembly of which has at least one set of interconnected shoe mechanism and automatic adjusting mechanism of brake clearance. The interconnected shoe mechanism consist... | 07/18/2006 |
| 7028815 | Double-wrap brake band apparatus A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state t... | 04/18/2006 |
| 7025186 | Bicycle ratchet bushing This invention discloses a bicycle ratchet bushing, comprising a bushing for coupling to a connecting axle rod to drive the bicycle wheel to rotate, a pawl ring disposed on the inner side of the bushing, a plurality of pawls interdentally dispersed around the outer ... | 04/11/2006 |
| 6994197 | Clutch element for a unit driven via a drive shaft A clutch element for a unit is driven via a drive shaft, especially for a water pump. The clutch element comprises a temperature- and/or speed-sensitive clutch member which is rigidly connected with the drive shaft and which acts on a part of the unit to be driven d... | 02/07/2006 |
| 6971487 | Double-wrap band brake apparatus A double-wrap band brake comprises a middle band with a frictional surface on the inner peripheral side, and a pair of outer bands coupled to this middle band and having frictional surfaces on the inner peripheral sides, an anchor bracket, and an apply bracket. The ... | 12/06/2005 |
| 6923296 | Disc Brake A support for a disc brake has first and second bores in a first projection and third and fourth bores in a second projection located in a same horizontal plane and the first and third bores aligned in a first vertical plane and the second and fourth bores aligned i... | 08/02/2005 |
| 6905005 | Double wrap brake band A double wrap brake band is provided for use with a rotating element such as a rotating drum in an automatic transmission or the like. The double wrap brake band is provided with a friction surface on an inner circumferential surface of a band portion wrapped substa... | 06/14/2005 |
| 6848551 | One-way clutch The provision of a one-way clutch having a high strength and a small size and manufactured significantly readily. The one-way clutch includes a casing for supporting a rotating shaft, and a clutch mechanism provided inside the casing. The clutch mechanism allows the... | 02/01/2005 |
| 6757975 | Multi-layered compliant mechanisms and method of manufacture A compliant mechanism and method of manufacturing the same includes a plurality of layers formed from stamping a plurality of layers from a layer of thinner material and stacking the layers together. Compliant mechanisms can include clutches, switches, derailleurs, ... | 07/06/2004 |
| 6745881 | One-way clutch assembly having integrated damping A clutch assembly (10) having an inner race (12), an outer race (14), and an engagement mechanism (16) disposed between the inner and outer races. The engagement mechanism (16) is operable to move between a disengaged position wher... | 06/08/2004 |
| 6582333 | Transmission for use in the power trains of motor vehicles The power train of a motor vehicle has an engine which normally drives the wheels and can be started by an electric motor which acts as a generator once the engine is started. The torque transmitting connection between the crankshaft of the engine and a s... | 06/24/2003 |
| 6575279 | Laminated one way clutch race A clutch race is formed from multiple layers of stampings which are joined together. Each of the stampings has a plurality of semi-perfs which include a protrusion on one side and pocket on the opposing side. The protrusions of one layer are interconnecte... | 06/10/2003 |
| 6513630 | Double-wound band braking device A double wound band which comprises an annular intermediate band, a pair of annular outer bands each with a free end secured to face the free end of the intermediate band, all three bands with a firctional surface formed on the inner peripheral surface, a... | 02/04/2003 |
| 6338403 | Ratchet clutch with bearing surfaces A ratchet-type one-way clutch mechanism 300, 360. The mechanism has an inner race member 302, 364 with a plurality of notches 312, 372, an outer member 304, 362 with a plurality of pockets 310, 370, a plurality of pawl members 306, 368 positioned in the p... | 01/15/2002 |
| 6286649 | Unidirectional rotary drive mechanism for multi-part construction toy A unidirectional drive for a multi-part construction toy. A circular first drive element is received within the cylindrical wall of a second drive element. Each drive element has angularly oriented fixed drive teeth projecting toward the other. The outerm... | 09/11/2001 |
| 6250449 | Centrifugal multiplate clutch In order to improve a centrifugal multiplate clutch with a pot-type clutch drum and a rotor which has several disk shaped plates, fixed on a motor shaft, each plate having a hub and a centrifugal weight connected by a rocker bar so that, when the no-load ... | 06/26/2001 |
| 6083130 | Serpentine drive system with improved over-running alternator decoupler A serpentine belt drive system for an automotive vehicle comprising a drive assembly including an internal combustion engine having an output shaft with a driving pulley thereon rotatable about a driving pulley axis. A sequence of driven assemblies each h... | 07/04/2000 |
| 6059088 | Resin stator for a torque connector In a resin-made stator comprising an annular plate portion (2) integrally formed toward an inner peripheral direction on an end of a cylindrical portion (1) in an axial direction or at an adjacent portion thereof, and an annular metal fitting (4) integral... | 05/09/2000 |
| 5865277 | Wheels and brakes for vehicles A braking system for an automotive vehicle is provided which comprises, in combination, a wheel having a specifically-defined wheel rim for mounting a tire thereon, and a specifically-defined disc carrying the wheel rim for mounting the wheel upon a wheel... | 02/02/1999 |
| 5730269 | Centrifugal friction clutch A centrifugal friction clutch which can transmit torque and rotation has an input shaft, which is rotatable about an axis, and an output member. A plurality of shoes are constrained to rotate with the input shaft and arranged to move in a radial plane per... | 03/24/1998 |
| 5680921 | Transmission band assembly A transmission band assembly (10) having a circular band (12) and a friction material liner (26). The liner (26) varies in density at predetermined locations along its length to modify the torque curve of the transmission to provide smooth shifting.... | 10/28/1997 |
| 5671828 | Transmission band assembly A transmission band assembly including a circular strap member having exterior and interior surfaces extending between opposed first and second ends. At least one of the ends defining a bracket having a ridge including an upper gusset in mating engagement... | 09/30/1997 |
| 5499705 | Beam mounted friction pads for use in friction brakes and clutches A friction pad for use in a friction element used in a friction engagement device such as a brake or clutch, The friction element includes a carrier and a plurality of friction pads circumferentially spaced about the carrier, The pads may have a modular c... | 03/19/1996 |
| 5415258 | One-way clutch having an outer ring whose internal portion is as hard as its periphery In a one-way clutch, an outer ring has an internal portion whose hardness is substantially the same as that of its periphery, both hardnesses preferably being HRC 55 or more. When sprags interposed between the outer ring and inner ring are engaged with an... | 05/16/1995 |
| 5362293 | Drive clutch for a centrifuge rotor A clutch assembly for a centrifuge rotor includes at least one pair of complementary clutch elements each operatively associated with the rotor. Each element in the pair is preloaded into contact with the drive shaft. A torque applied to the shaft in eith... | 11/08/1994 |
| 5346040 | One-piece transmission band The present invention provides for a one-piece band member (10) for use w transmissions. The band member (10) is integrally constructed having the end portions (16) of a strap member (12) being formed an apply member (18) and a reaction member (20) and t... | 09/13/1994 |
| 5325947 | Power transferring apparatus An apparatus for transferring power includes a shaft, a pair of pawls, and an outer member. The shaft has a first end which is connected to an electric motor and a second end which is operatively associated with the pawls. As the shaft turns, the pawls ar... | 07/05/1994 |
| 5325950 | Lubricant remover for a wrap spring clutch A wrap spring clutch, for use in a percussion device activated by a fluid having a lubricant therein, includes a plurality of grooves in at least one of the friction engagement surfaces of the wrap spring clutch, to transmit a portion of the lubricant awa... | 07/05/1994 |
| 5318161 | Wrap spring clutch assembly A wrap spring clutch assembly is disclosed which is designed for use with a rotary element which is subjected to repeated intermittent rotary motion. The clutch assembly includes a first circular hub fixedly attached to the element for rotation therewith,... | 06/07/1994 |
| 5263557 | Anchor for automatic transmission bands An improved transmission brake band (10) and a method of forming the same s an improved reaction bracket (20) formed as an upraised dome (36) surrounding a reaction opening (32). An insert member (42), having a volcano-type body (44) integrally formed wit... | 11/23/1993 |
| 5097927 | Vehicle brake The present invention relates to a vehicle brake and hub comprising a ring braking member having braking surfaces both to the interior and exterior of the member in combination with a cast hub which includes centrally disposed aligned bearing ports for re... | 03/24/1992 |
| 5088581 | One-way clutch A one-way ratcheting clutch having a primary annular driving member with a plurality of circumferentially spaced radially inwardly extending lugs and a secondary annular member mounted on a common shaft has a plurality of resilient circumferentially space... | 02/18/1992 |
| 5086896 | Jaw clutch coupling mechanism and shift lever link mechanism A jaw clutch coupling mechanism in which spline grooves serving as ball drop-in portions of the clutch are provided with a semi-spherical ball support recess to be engaged with a steel ball by way of linear or surface contact for enhancing the strength of... | 02/11/1992 |
| 5078237 | Automatic transmission bands A one-piece transmission brake band and the method of forming the same whin the band is an elongated strap with brackets at the opposite ends thereof, the brackets providing an apply end and a reaction end. Each end consists of an end portion of the stra... | 01/07/1992 |
