Bizarre Patents
An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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 |
| 8187127 | Belt-type continuously variable transmission and straddle-type vehicle equipped with the same A belt-type continuously variable transmission (CVT) with reduced vibration at high engine speeds. A secondary sheave includes a fixed sheave member, a moving sheave member, a compression coil spring, and an outside spring guide. The compression coil spring urges th... | 05/29/2012 |
| 8052556 | Apparatuses and methods for controlling a variable speed transmission Methods are disclosed for controlling a variable-speed transmission utilizing a pulley structure including first and second pulley members coupled for free rotation together about a shaft. The second pulley member can be axially movable relative to the first pulley ... | 11/08/2011 |
| 7614970 | Torque sensing assembly having dual stage spring compression for an agricultural machine A torque sensing assembly includes an axially fixed sheave having an axis of rotation, and an axially movable sheave movable along the axis in relation to the axially fixed sheave. A compression spring has a first end and a second end, with the first end being posit... | 11/10/2009 |
| 7575528 | Continuously variable transmission A continuously variable transmission having an input cone pulley pair and an output cone pulley pair linked by and an encircling mechanism. One pulley of each pair is axially fixed and one pulley is axially displaceable to control the transmission ratio of the trans... | 08/18/2009 |
| 7338398 | Continuously variable transmission or clutch with ortho-planar compliant mechanism A continuously variable transmission or clutch device (10) includes at least one pulley (18) rotatable on a pivot (28) and having a pair of adjustable sheaves (30, 34) including a movable sheave (30) movable along the pivot. An ort... | 03/04/2008 |
| 7331889 | Apparatuses and methods for controlling a variable speed transmission Apparatuses and methods are disclosed for controlling a variable-speed transmission utilizing a pulley structure including first and second pulley members coupled for free rotation together about a shaft. The second pulley member can be axially movable relative to t... | 02/19/2008 |
| 7311624 | Apparatus for controlling speed of a water pump For enhancement of heating performance of a vehicle, operating speed of a water pump of an engine is varied in accordance with engine operation conditions, so a speed of a coolant temperature increase can be accelerated when needed. ... | 12/25/2007 |
| 7281603 | Engine An engine for an offroad vehicle including a crankcase, a transversely extending crankshaft, and a transmission connected to the crankshaft. The transmission includes a drive pulley, a driven pulley, and a drive belt connecting the drive pulley and the driven pulley... | 10/16/2007 |
| 7276002 | Surface texture configuration for CVT pulley A pulley engageable with a belt for use in a continuously variable transmission includes first and second pulley halves rotatable about an axis and relatively moveable in a direction of the axis. The pulley halves include truncated conical portions symmetrically opp... | 10/02/2007 |
| 7217204 | Continuously variable belt drive system A continuously variable belt drive system including a driving pulley assembly, a driven pulley assembly, and a V-shaped belt engaged to transfer rotary power therebetween is disclosed herein. The driving pulley assembly includes an idler pulley portion. As the belt ... | 05/15/2007 |
| 7175554 | Hydraulically controllable constant speed drive and method for the design thereof A hydraulically controllable constant speed drive, includes an input shaft (10) provided with an input pulley (1), an output shaft (20) provided with an output pulley (2) and a drive belt (3). Each pulley (1; 2) is provided ... | 02/13/2007 |
| 7014583 | Continuously variable transmission The invention concerns a continuously variable belt-drive transmission, especially for motor vehicles. In the pressure less state of the transmission, the axially displaceable cone pulley of the input shaft is loaded with an axial force by a spring system in a manne... | 03/21/2006 |
| 6997834 | Device for guiding a moveable conical pulley disc of a CVT variator A device, in a continuously variable belt transmission system, for guiding a conical pulley (3) of a variator on a variator shaft (1). The moveable conical pulley (3) is fitted onto two bearing sections (4, 5) of the variation shaft (1... | 02/14/2006 |
| 6997832 | Variable-speed control system for a transmission In a constant horse-power type continuously variable transmission, a pressing force supply path using for a rotation-speed control is supplied to one of an input pulley d an output pulley, and an elastic force supply path using for an axial torque control to the the... | 02/14/2006 |
| 6994643 | Driven pulley system with spring positioner A driven pulley system for use in a torque converter of a vehicle is disclosed. The driven pulley system includes relatively axially movable first and second flanges arranged to squeeze a belt of the torque converter therebetween. The driven pulley system also inclu... | 02/07/2006 |
| 6958024 | Automotive V-belt nonstage transmission An automotive V-belt nonstage transmission includes a drive pulley having a fixed sheave fixedly mounted on a drive shaft, a movable sheave mounted on the drive shaft, a return coil spring, a flyweight mechanism, a collar being rotatable relative to the fixed and mo... | 10/25/2005 |
| 6875139 | Control system A method and a control system for supplying a working medium to a hydraulically-operated device. The working medium pressure is adjusted as a function of a control variable provided by a pressure control valve or a pressure reduction valve, both within a nominal wor... | 04/05/2005 |
| 6764421 | Pulley pressure control system for transmission Since a pressing force applied to a pulley has ability to regulate a rotation speed and an elastic force applied to the pulley has ability to regulate torque, by independently applying the pressing force and/or the elastic force to the single pulley, and externally ... | 07/20/2004 |
| 6755759 | Speed transmission for self-propelled lawnmower and mower provided with such a transmission The invention relates to a speed transmission for a mower, in particular a lawnmower, comprising a speed changer. This transmission is characterized in that the speed changer is constituted by a transmission with a belt (5) between a drive pulley (6) m... | 06/29/2004 |
| 6669589 | Continuously variable transmission Disclosed is a continuously variable transmission in which when a shaft torque is secured by a belt friction force generated by externally pressing a pulley, difficulties of transmission and deteriorations of efficiency caused by short or surplus of the f... | 12/30/2003 |
| 6592478 | Variable speed transmission and method of use A variable speed transmission includes an actuator mechanism that can be remotely activated to cause engagement of a drive unit and to subsequently vary the speed of the drive unit using the same activation mechanism. The variable speed transmission can i... | 07/15/2003 |
| 6398680 | Continuously variable transmission Disclosed is a continuously variable transmission in which when a shaft torque is secured by the belt friction force generated by externally pressing a pulley, the disablement of transmission caused by a belt rolling-in phenomenon within a pulley resultin... | 06/04/2002 |
| 6383102 | Belt pressing mechanism for continuously variable transmission In a constant-horsepower transmission having a primary pulley, a secondary pulley and a belt extended between the primary and the secondary pulley, a predetermined frictional force acting between the pulley and the belt is secured by an external instructi... | 05/07/2002 |
| 6348019 | Drive ring CVT belt The invention comprises a drive ring CVT belt. In a CVT transmission, each variable diameter pulley has a drive ring trained around the sheaves. Each drive ring may comprise any high modulus material such as plastic or metal. An endless flexible tensile m... | 02/19/2002 |
| 6155940 | Adjustable cam weights for torque converter A torque converter assembly is provided for adjusting the overall speed of a vehicle. The assembly comprises a driver pulley including an outer drum, a movable flange, a chamber formed by the outer drum and movable flange, a first weight and a second weig... | 12/05/2000 |
| 6149540 | Continuously variable transmission system with engine braking A continuously variable transmission (CVT) system for use on snowmobiles, ATV's and similar vehicles. The CVT includes a rotatable drive clutch connected to an input shaft (the input shaft being connectable to an engine), and a roller clutch carried on th... | 11/21/2000 |
| 6129643 | Variable diameter pulley A variable diameter pulley comprises a pair of pulley main bodies (18, 19) connected to a rotating shaft (15), and a power transmission ring (20) interposed between the pulley main bodies. A belt (2) is passed around an outer periphery of the power transm... | 10/10/2000 |
| 6120400 | Transmission wheel pressurizing apparatus for transmitting constant power in a variable speed transmission A transmission wheel pressurizing apparatus for always supplying, in a continuously variable transmission of a constant HP transmission type, a pressurizing force and an elastic force to one out of two transmission wheels simultaneously and only a pressur... | 09/19/2000 |
| 6017285 | Variable diameter pulley A variable diameter pulley according to the present invention has a pair of pulley bodies each axially movably fitted around a rotation shaft. A power transmission ring is held between power transmission surfaces formed in a tapered shape on opposed surfa... | 01/25/2000 |
| 5967696 | Riding trowel with variable ratio transmission A powered concrete finishing trowel comprises a variable ratio drive train to power one or more revolving rotors. One or more internal combustion motors power two or more downwardly projecting rotors comprising blades that frictionally contact the concret... | 10/19/1999 |
| 5803847 | Variable speed mechanism and method for controlling the speed of an associated vehicle A variable speed mechanism for propelling an associated lawn mowing apparatus has a variable pitch pulley assembly, a belt which connects the variable pitch pulley assembly to a transmission, a control arm assembly for controlling the variable pitch pulle... | 09/08/1998 |
| 5690427 | Variable speed food mixer incorporating a variable transmission ratio belt drive A food mixer in which a variable speed facility is provided by a variable transmission ratio belt drive incorporated in the drive train between an electric motor and a whipping or mixing tool. The belt drive comprises a V-belt extending around first and s... | 11/25/1997 |
| 5460575 | Drive clutch with variable rate biasing means and a method for controlling a drive clutch A drive clutch assembly having a fixed sheave and a movable sheave rotatable with the drive shaft of an engine comprising a variable rate biasing or resistance system for urging a movable sheave toward a retracted position, the biasing system initially ap... | 10/24/1995 |
| 5458539 | Flyweight with a lateral knob The driving pulley is used in a variable-speed belt drive, which includes, in particular, two radially converging ramps facing each other and coaxial to a shaft, one ramp being rigidly attached to a movable flange and the other ramp being rigidly attached... | 10/17/1995 |
| 5427578 | Pulley for continuously variable transmission In a pulley unit of belt-type continuously variable transmission, wherein a movable sheave on a pulley shaft is moved toward and away from a stationary sheave by means of a hydraulic servo device, and a movable cylinder secured to the movable sheave defin... | 06/27/1995 |
| 5378199 | Automatic retrieving structure of sliding transmission disk of motorcycle automatic transmission The sliding transmission disk of a motorcycle automatic transmission is provided with a shaft sleeve having a spring seat. Located at the bottom of the spring seat is a receiving frame in which a compression spring and a turning and sliding member are dis... | 01/03/1995 |
| 5361744 | Supercharging device for an internal combustion engine A supercharging device for an internal combustion engine includes a runner for compressing air, a driven pulley for rotating the runner, and a drive pulley for rotating the driven pulley. The drive pulley has a fixed sheave and a movable sheave movable in... | 11/08/1994 |
| 5282773 | Dual range variable speed transmission A variable diameter belt type power transfer assembly having a drive sheave and a driven sheave, both of which are adjustable and include a pair of opposing coaxial flanges, one of which is axially movable relative to the other, is disclosed wherein both ... | 02/01/1994 |
| 5094652 | Belt driven continuously variable transmission This invention relates to a belt driven continuously variable transmission having a pressure regulating cam mechanism giving an axial force corresponding to the transmission torque to a pulley and preventing too much belt pressing force. A retainer is fix... | 03/10/1992 |
| 5033990 | Pulley having spring loaded release mechanism A pulley having a spring loaded release mechanism is disclosed which provides a safety override under high torque conditions. The pulley is provided with a first flange which rotates in the conventional manner with a central hub. A second flange is rotata... | 07/23/1991 |
