Class 74/117 - Adjustable

Subclass of Class 74 - Machine element or mechanism
Definition: Mechanisms, having an adjustable driving member.
No. of patents: 75
Last issue date: 10/07/2008

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Number	Title	Issue Date
7430934	Continuously variable transmission (CVT) utilizing an adjustable fulcrum This transmission utilizes an adjustable fulcrum to accomplish variable speed and torque conversion. The component utilizes multiple circular eccentric cams fixed to an input shaft at equal rotational intervals to apply vertical movement to an equal number of perpen...	10/07/2008
7207232	Continuously variable transmission, and a transfer case including a continuously variable transmission A continuously variable transmission including a drive element rotatable about a drive axis, an output element rotatable about an output axis parallel to the drive axis, and an adjusting mechanism with which the drive axis and the output axis can be laterally offset...	04/24/2007
7124658	Continuously variable gearbox A steplessly variable transmission has an input body rotatable about an input-element axis and an output body rotatable about an output-body axis and movable between a position with the axes coaxial and a position with the axes substantially parallel and offset from...	10/24/2006
7121160	Mechanical transmission A constant power mechanical transmission with seamless, ripple free, infinitely variable torque multiplying outputs comprises an input shaft and an output shaft. The input shaft is coupled to a pair of oscillating levers whereby rotation of the input shaft causes os...	10/17/2006
6807878	Device to provide continuously variable gear reduction A torque transmission device for providing steplessly variable torque conversion. The torque transmission device has a set of unidirectionally-rotatable, slotted levers radiating from a first axis, capable of engaging a torque output ring which is also rotatable on ...	10/26/2004
6626054	Swashplate design A rolling element or ball swashplate has a part-spherical surface covered in latitudinal grooves and ridges, in cross-section resembling parts of a spur gear wheel. The ball is mounted on a well-known rolling element bearing on its polar axis. The bearing...	09/30/2003
6447421	Device to provide continuously variable gearing A mechanical transmission device for modifying torque and speed of rotation form torque input to torque output, more particularly a device capable of modifying torque and speed of rotation in a continuously variable fashion utilizing a single set of lever...	09/10/2002
6354976	Transmissions, transmission lock assemblies, methods of adjusting a gear ratio of a transmission, and methods of forming a transmission shift mechanism Transmissions, transmission lock assemblies, methods of adjusting a gear ratio of a transmission, and methods of forming a transmission shift mechanism are provided. According to one aspect of the invention, a transmission includes a mount assembly includ...	03/12/2002
6327926	Directional clutch The invention relates to a directional clutch with a drive element (10-120) and an output element (11;101, 102;130, 131) between which clamping elements (13, 14, 110) are arranged. Said clamping elements are connected to the output element in such a way t...	12/11/2001
6296589	Gear engaging stepless speed variator with orientational on-off device A gear engaging stepless speed variator having orientational ON-OFF properties of worm transmission for a gear transmission mechanism to realize ON-OFF orientation, so as to achieve stepless speed change of gear engagement. The variator has an orientation...	10/02/2001
6220107	Eccentric orbiting type speed changing device Since the phases of pinions 23, 25 and a pinion 24 are deviated by 180 degree, the pinions 23, 25 are acted with the engaging force which is reverse in a working direction to the engaging force of the pinion 24 and is half in the value. At this time since...	04/24/2001
6105447	Eccentric crank with continuously adjustable throw The invention provides an eccentric wherein the amplitude of reciprocation, or throw, is continuously variable, during operation, from zero to a maximum. This represents an improvement over adjustable eccentric devices in the prior art insofar as the conv...	08/22/2000
6068570	Variable speed transmission system and differential An arrangement of multiple gears forming a transmission and differential system for variable and compensated speed output and direction from a constant or variable source. Control of output speed, direction and source by selective adjustment with the syst...	05/30/2000
6062096	Continuously variable transmission utilizing oscillating torque and one way drives A transmission utilizes oscillating torque to vary the mechanical power transmitted to a load. An arm assembly is rotatably coupled to a frame. At the ends of the arms are eccentric masses, rotatably coupled thereto. An input shaft rotates the masses abou...	05/16/2000
6055878	Adjustable eccentric shift mechanisms The present invention provides shift mechanisms and methods of controlling a transmission. According to one embodiment of the present invention, a shift mechanism for use with a transmission includes a central axle defining a central axis; a master cylind...	05/02/2000
6053836	Variable speed change gear When second rotating bodies are made eccentric, the second rotating bodies move straight in the radial direction along first rotating bodies. Therefore, the cyclically changing angular velocity of the second rotating body changes so that the side on which...	04/25/2000
5997427	Continuously variable gearing transmission A transmission apparatus includes an input shaft; an output shaft; a ring gear having internal ring gear teeth and having a ring gear central axis; a ring gear constraining structure constraining the ring gear to move translationally along a substantially...	12/07/1999
5971877	Variable transmission A power transmission system used in connection with a vehicle power wheel of a bicycle or other vehicle which has a fixed axle and which utilizes a rotating chain sprocket engaging an endless chain for receiving an input torque and transmitting an output ...	10/26/1999
5964677	Shift mechanisms, lock assemblies and methods of adjusting a gear ratio of a transmission The present invention includes shift mechanisms, lock assemblies and methods of adjusting a gear ratio of a transmission. According to one aspect of the invention, a shift mechanism configured to adjust a transmission includes a central axle defining a ce...	10/12/1999
5950488	Positive engagement continuously variable transmission A device for transmitting rotational power that relays on mechanical gearing and has a continuous range of output-to-input speed ratio comprises two radially grooved discs(16, 28), sliding teeth(22), an internally saw-toothed gear(26), a ring-shaped sprin...	09/14/1999
5937701	Variable speed change gear When an input shaft 6 is rotated by an external driving force, the resultant rotational force of the input shaft 6 is transmitted to an offset housing 21 of which rotational force in turn is transmitted to variable rings 39. If, at that time, angular volo...	08/17/1999
5685794	Transmission mechanism A transmission is disclosed which has an input power supply (53, 34, 328) and a plurality of secondary members which are driven by the input power supply. The secondary members can be in the form of pawls (344, 361) or rack and pinion arrangements (54, 56...	11/11/1997
5674144	Continuously variable ratio transmission and method A transmission having ratios from 0:1 to 1:1 is disclosed; the transmission comprises a plurality of clutches for producing a partial rotational output from a reciprocating input, an output gear for collecting the partial output of the clutches, an input ...	10/07/1997
5632702	Continuously variable transmission A continuously variable transmission utilizes a variable eccentric assembly arranged about a central transmission axis. A plurality of input and output vanes are operably interconnected to an orbiter and are sequentially engaged by input and output ratche...	05/27/1997
5582556	Variable ratio transmission A variable speed transmission has a gyratory collar element and a conical element engaged over a portion of their respective surfaces through a friction material. The collar moves toward the base of the cone to increase the gear ratio. Movement of the col...	12/10/1996
5516132	Variable-speed transmission The invention is a variable mechanical transmission for converting a rotary input into a rotary output. The transmission includes a spindle for mounting, allowing for rotation in response to the rotary input, a hub mounted on the spindle for rotation ther...	05/14/1996
5507701	Transmission device A Benesch transmission transmits power from an input shaft to an output shaft, wherein the input shaft defines a first axis and the output shaft defines a second axis, includes a first member including a contacting surface which extends along at least a p...	04/16/1996
5492026	Continuously adjustable transmission A continuously adjustable transmission comprises a number of arms (18), one end of each of which is pivotably connected to a rotatably arranged driven first member (17) and of which the other end cooperates with a second rotatably arranged member (15). Th...	02/20/1996
5454766	Continuously variable transmission having a double eccentric shaft and a worm gear adjusting mechanism A hybrid transmission provides a continuous range of reduced output speeds in a coaxial relationship about a common central axis within a surrounding cylindrical housing. The input shaft speed is increased through a planetary transmission having a sun gea...	10/03/1995
5448959	Belt drive puller mechanism A workpiece puller mechanism for a sewing machine including a carrier including a feed shaft mounted thereon that supports a feed roller. The periphery of the feed roller is biased downwardly into engagement with the upper surface of the workpiece while t...	09/12/1995
5440945	Hardgeared infinitely variable transmission A hardgeared infinitely variable transmission (IVT) is provided in which at least one quick return mechanism is hardgeared to the rotating transmission input shaft. The quick return mechanisms convert the rotating motion of the transmission input shaft to...	08/15/1995
5392664	Continuously variable transmission A transmission for providing continuously variable speed and torque comprises a housing, an input shaft, a system of variable throw eccentrics, control means for changing eccentric throw of the variable throw eccentrics, connecting links for receiving ecc...	02/28/1995
5385509	Gear transmission with ratchet o.w.c. and planetary gear set suitable for providing a pulsed drive A drive train for a pulsed feed wheel has an offset cam on a continuously rotating drive shaft. The cam acts against a pendulum which rocks the input of a one-way clutch. A support arm attached to the output of the clutch terminates in a planetary gear. T...	01/31/1995
5351568	Rotary speed changing apparatus There is provided by the present invention a speed changing apparatus having a housing mounting a plurality of inwardly directed, circumferentially disposed teeth, preferably in the form of a ring gear. The housing has a hub that rotatably receives at lea...	10/04/1994
5316460	Synthetic resin material feeding apparatus and sealing liner forming system A synthetic resin material feeding apparatus, for use in a system for forming a sealing liner on the inner surface of a top panel wall of container closure shell, has an extruder and a gear pump. The driving mechanisms of the extruder and the gear pump ha...	05/31/1994
5239879	Simple stepless variables transmission A simple stepless variable transmission in which rotation of an input shaft (10) is translated into circular motion of an input stage arm (16) which is then converted into periodic rotation of an intermediate linkage (20) around a center of rotation that ...	08/31/1993
5226859	Continuously or infinitely variable transmission free of over-running clutches An oscillating rachet style continuously or infinitely variable transmission is disclosed herein, that is, one which, in its operation, relies on a plurality of different successive intermediate rotations that vary in speed and direction in accordance wit...	07/13/1993
5113712	Simple stepless variable transmission A simple stepless variable transmission in which rotation of an input shaft is translated into circular motion of an input stage arm which is then converted into periodic rotation of an intermediate linkage around a center of rotation that is displaced fr...	05/19/1992
5081877	Steplessly variable transmission A steplessly variable transmission is described in which a driving element and a driven element are adjustable eccentrically to one another and are coupled via pivotal levers which are journalled on one element and can be brought into force transmitting c...	01/21/1992
5048358	Rotary phased radial thrust variable drive transmission A rotary phased radial thrust variable drive transmission which is lcoated between an input driving member, such as the pedal-driven sprocket of a bicycle, and an output driven member, such as the hub of a bicycle wheel which are mounted for relative rota...	09/17/1991

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Class 74/117 - Adjustable