| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 074439000 | Sectional | 33 |
| 20080282826 | Roller Track for a Roller Screw - A roller track for a roller screw is formed on a screw and a nut of the roller screw respectively, and the roller track is similar to a V-shaped structure. Round angles with the same radius are formed on the outer edges for contacting rollers. Thereby, the roller chain of the present invention can avoid the two problems of the stress centralization of the rollers and the excessively small contact length of the rollers, further to lift the load capability of the roller screw. | 11-20-2008 |
| 20110252909 | VARIABLE DIAMETER GEAR DEVICE WITH DIAMETER CHANGER FOR CONSTANT PITCH GEAR TOOTH SEQUENCE - A variable diameter gear device for variable ratio transmission systems has a displaceable gear tooth sequence formed from interconnected gear teeth with uniform pitch lying on a virtual cylinder coaxial with an axle of the device. A torque linkage transfers a turning moment between the axle and the gear tooth sequence. A diameter changer includes at least one disc with a spiral track to which each of the gear teeth is linked. Rotation of the discs relative to the axle causes variation of an effective diameter of the virtual cylinder while the gear tooth sequences remain on a virtual cylinder centered on the axis and the uniform pitch remains constant. | 10-20-2011 |
| 20120222514 | TOOTHED GEAR WHEEL WITH EXCHANGEABLE TOOTHING - A toothed gear wheel with toothed wheel body and exchangeable teeth is disclosed. One or more teeth are embodied as a component which is able to be detachably connected to the toothed wheel body of the toothed gear wheel. A transmission embodied with the toothed gear wheel is disclosed. A component with suitable for use in a toothed gear wheel with toothed wheel body is also disclosed. | 09-06-2012 |
| 20130047767 | RESIN ROTATING BODY AND MANUFACTURING METHOD FOR RESIN ROTATING BODY - A resin rotating body | 02-28-2013 |
| 20130220050 | GEAR FOR USE IN FISHING REEL - One object is to provide a gear to be included in a fishing reel to produce excellent rotation feeling while reducing the weight relative to the strength. In accordance with one aspect, a drive gear included in a fishing reel is formed of a circumferential part having tooth surfaces and a body part radially inside the circumferential part which are made of different materials and integrated together. These materials satisfy the following conditions: S | 08-29-2013 |
| 20130233108 | Combination Double Thread Screw - A double thread screw includes a mandrel, a plurality of threaded blocks mounted on the mandrel, and two ends stops mounted on the mandrel. The mandrel has a periphery provided with a plurality of locking faces. The threaded blocks are clamped between and limited by the ends stops. Each of the threaded blocks has a central portion provided with a locking hole locked onto the locking faces of the mandrel. Each of the threaded blocks has a periphery provided with two first thread grooves which intersect each other and have two opposite threading directions. The first thread grooves of the threaded blocks are combined to form two intersecting threads which are arranged successively in a staggered manner and are directed in two opposite threading directions. | 09-12-2013 |
| 20160201785 | WORM WHEEL OF REDUCTION GEAR FOR USE IN ELECTRIC POWER STEERING | 07-14-2016 |
| 074440000 | Backlash take-up | 9 |
| 20130112027 | GEAR ARRANGEMENT - The invention relates to a gear arrangement ( | 05-09-2013 |
| 20140116174 | GEAR SYSTEM - The invention relates to a gear system ( | 05-01-2014 |
| 20140130629 | Vehicle Transmission Gear Assembly - A transmission gear assembly, including: at least two gearwheels fitted with teeth on their periphery and connected together. One of the at least two gearwheels is a main gearwheel. Another of the at least two gearwheels is an auxiliary gearwheel. The teeth of the auxiliary gearwheel are formed resilient in a radial direction. | 05-15-2014 |
| 20150128740 | Scissors Gear Device - Provided is a scissors gear device having a structure which is simplified so as to reduce its overall size and thereby expand the range of application and simplify its assembly process. A scissors gear device | 05-14-2015 |
| 20150316135 | GEARWHEEL FOR A BACKLASH-FREE TRANSMISSION STAGE AND TRANSMISSION STAGE EQUIPPED THEREWITH - A gearwheel and of a transmission stage fitted with a gearwheel of this kind. The gearwheel comprises a gear rim having a first gear rim part and of a second gear rim part arranged coaxially therewith. The two gear rim parts can be turned relative to one another about an axis of rotation. The gearwheel furthermore comprises a spring situated between the two gear rim parts and which acts in the circumferential direction for preloading the two gear rim parts relative to one another. The gearwheel also includes damping means which damps relative movements between the first gear rim part and/or the second gear rim part and/or the spring. The transmission stage comprises at least one intermeshing gearwheel pair, wherein one wheel of the gearwheel pair is embodied as the gearwheel described above. | 11-05-2015 |
| 20160053881 | DIVIDED TOOTHED WHEEL - The invention relates to a toothed wheel that has a function for compensating tooth flank play in a meshing engagement with a second toothed wheel, using a divided toothing, said toothed wheel having at least one split along which a first toothed wheel half comprising a first section of the divided toothing and a second toothed wheel half comprising a second section of the divided toothing are arranged so as to be able to rotate relative to one another, the toothed wheel halves being arrested relative to one another by means of an anti-rotation system which, when activated, prevents mutual rotation of the toothed wheel halves. When said anti-rotation system is activated, the first and second sections of the divided toothing at least approximately engage with one another in a flush manner whereas, when the anti-rotation system is not activated, said first and second sections of the divided toothing are arranged to be offset to one another, both sections being tensioned relative to one another by means of a resilient element, and the inactive anti-rotation system remaining in the toothed wheel while said wheel is in operation. The invention also relates to a method for installing a divided toothed wheel. | 02-25-2016 |
| 074441000 | Screw and nut | 3 |
| 20130019706 | NO-LASH NUT ASSEMBLY - A no-lash nut assembly for installation on a threaded rod and including a lead nut, a trailing nut, a transition nut and a torsion spring. The lead and trailing nuts have threaded bores for mating with the rod. The trailing nut has an external surface configured for engagement with the lead nut to prohibit relative rotation and allow relative axial movement. The transition nut has a threaded bore for mating to trailing nut, an external surface defining a slot, and a front face having a mating surface corresponding to the rear face of the lead nut to allow relative axial movement between the lead nut and the transition nut. The torsion spring has a pin and a hook. The pin protrudes into the rear face of the lead nut and the hook protrudes into the transition nut slot to apply a rotational force on the transition nut. | 01-24-2013 |
| 20140260748 | ONE-PIECE ANTI-BACKLASH NUT - The claimed subject matter provides an anti-backlash nut for use with a leadscrew. The nut can include two or more threaded sections and at least one semi-flexible section. The anti-backlash nut can be of one-piece construction and utilize the one or more flexible or biasing sections to apply one or more forces or offsets to the threaded sections to mitigate backlash. | 09-18-2014 |
| 20150300466 | ANTI-BACKLASH NUT ASSEMBLY - An anti-lash nut assembly for installation on a threaded rod and including a lead nut, a collar, and a spring positioned between the lead nut and the collar. The lead nut has a set of tabs extending radially outward from a rear end of the body. The collar has a set of clearance slots on an inside surface. The set of clearance slots are configured for sliding of the set of tabs through the clearance slots in the rear direction. The collar has a set of ramps on an inside surface. Each of the set of ramps is configured for engagement with each of the set of tabs to prohibit axial movement of the collar in the rear direction. | 10-22-2015 |
| 074443000 | Sound deadening | 2 |
| 20100282012 | Skew Gear with Attenuation - The invention relates to a skew gear constructed as a built skew gear and provided with attenuation. The skew gear wheel has a first flange for rotation-locked arrangement of the skew gear on a shaft or a pinion, a second flange or a disk, and a ring gear arranged and rotatable therebetween. The two flanges, or the first flange and the disk, are frictionally or positively connected with one another, wherein their respective elements providing the connection extend through the ring gear in the axial direction. According to the invention, at least one elastomeric element is overmolded on an inside contour of the ring gear for forming the attenuation, so that the ring gear and the attenuation form a single unit. | 11-11-2010 |
| 20130228029 | SCISSORS GEAR ASSEMBLY - A gear assembly including a main gear including a first hub, a first gear ring positioned about the first hub, and a first helically splined region. The gear assembly further includes a sub-gear co-axially disposed relative to the main gear with a resilient member disposed therebetween. The sub-gear including a second hub, a second gear ring positioned about the second hub, and a second helically splined region complementary to the first helically splined region. | 09-05-2013 |
| 074445000 | Multiple disks | 7 |
| 20130145878 | SCISSORS GEAR STRUCTURE AND MANUFACTURING METHOD THEREOF - Disclosed is a scissors gear structure and a method of manufacturing the same, wherein the scissors gear can efficiently remove backlash and prevent noise and vibrations, and wherein the scissors gear has improved mechanical properties including strength and wear resistance. The present invention provides a scissors gear without requiring separate manufacturing of expensive scissors pins which must be forcibly inserted, and without requiring expensive processing such as fine wire cutting to form grooves at both ends of the scissors spring. | 06-13-2013 |
| 20130213168 | TOOTHED WHEEL ARRANGEMENT AND METHOD FOR PRODUCING A BAYONET FASTENING - The invention relates to a toothed wheel arrangement ( | 08-22-2013 |
| 20140298941 | Kinematically Coupled Gear Assemblies and Methods of Manufacturing the Same - A herringbone gear assembly, includes: a first gear segment having a first set of teeth; a second gear segment having a second set of teeth, wherein the second set of teeth have a different configuration than the first set of teeth; and a series of compatible locators on the first and second gear segments configured to assist with gear segment alignment. | 10-09-2014 |
| 20140352473 | Gearwheel Arrangement Comprising a Spring Element - A gearwheel arrangement that has a main gearwheel that has a hub is provided. The arrangement has a secondary gearwheel that has a receiving hole that receives the hub and is rotatable in a circumferential direction in relation to the main gearwheel. When the arrangement is in a mounting position the secondary gearwheel is secured in an axial direction. The arrangement may include a spring element that pretensions the secondary gearwheel in the circumferential direction. The spring element is completely enclosed within the gearwheel arrangement. | 12-04-2014 |
| 20140360300 | GEAR ARRANGEMENT - The invention relates to a gear arrangement ( | 12-11-2014 |
| 20150020629 | Gear Noise Reduction in Opposed-Piston Engines - A quiet-running, multi-layer gear assembly includes a stiff center member sandwiched between a pair of outer members. At least one of the outer members is compliant; preferably, both are. The stiff center member has an outer peripheral surface with gear teeth. Each of the outer members has an outer peripheral surface with gear teeth disposed in a respective directed axial thrust pattern. The center and outer members are joined on a central hub with their outer peripheral surfaces aligned so as to form a gear assembly. | 01-22-2015 |
| 20150047450 | SCISSORS GEAR - A variety of scissors gear assemblies are disclosed that utilize integral parts or common tools to align teeth of the scissors gear assembly. Methods of use are also disclosed. | 02-19-2015 |
| 074446000 | Separate rim | 5 |
| 20080236319 | CONTINUOUSLY VARIABLE TRANSMISSION - Inventive embodiments are directed to components, subassemblies, systems, and/or methods for continuously variable transmissions (CVT). In one embodiment, a main axle is adapted to receive a shift rod that cooperates with a shift rod nut to actuate a ratio change in a CVT. In another embodiment, an axial force generating mechanism can include a torsion spring, a traction ring adapted to receive the torsion spring, and a roller cage retainer configured to cooperate with the traction ring to house the torsion spring. Various inventive idler-and-shift-cam assemblies can be used to facilitate shifting the ratio of a CVT. Embodiments of a hub shell and a hub cover are adapted to house components of a CVT and, in some embodiments, to cooperate with other components of the CVT to support operation and/or functionality of the CVT. Among other things, shift control interfaces and braking features for a CVT are disclosed. | 10-02-2008 |
| 20160003339 | GEAR MADE FROM FIRST AND SECOND MATERIALS - A gear set may include a gear having improved operating performance by including location specific strength and wear properties, more specifically the gear may include a hub that may be made from a first material and a plurality of gear teeth that may be made from a second material and mounted to the hub. | 01-07-2016 |
| 20160017976 | COMPOUND GEAR, METHOD FOR MANUFACTURING THE SAME, IMAGE FORMING APPARATUS, CONSUMABLES, AND IMAGE PROCESSING APPARATUS - A compound gear including a first member and a second member has grooves between the interface therebetween. The grooves are inclined opposite to the torsion of the teeth so that, when they are released during molding and during rotation, the first member and the second member are not from separated from each other. | 01-21-2016 |
| 20160123451 | METAL CORE FOR RESIN GEAR AND RESIN GEAR COMPOSITE MEMBER - A metal core for a resin gear and a resin gear composite member are provided. The metal core includes a boss portion into which a shaft is press-fitted, a ring portion to which an outer peripheral resin is joined, and a connecting portion via which the boss portion and the ring portion are coaxially provided. The boss portion is arranged on one side of the connecting portion at an inner circumference of the connecting portion and extends annularly in an axial direction. The ring portion is arranged on the same side of the connecting portion at an outer circumference of the connecting portion and extends annularly in the axial direction. The boss portion, the connecting portion, and the ring portion are formed of an integrally continuous material. The boss portion is thicker than the connecting portion and the ring portion. | 05-05-2016 |
| 074447000 | Detachable | 1 |
| 20090044650 | GEAR ARRANGEMENT - A gear arrangement is provided with a built-up for a shaft or pinion to rotate in unison therewith. The gear includes a gear rim and two flanges arranged axially on both sides and fixed them against the gear rim in a positive-locking connection. A hub, over which the respective other parts of the gear are pushed, is formed on at least one of the parts of the gear. The parts of the gear are held together without the use of rivets or screws by a clamped connection including a clamping ring, which is caused to mesh with a groove extending circumferentially on the circumference of the hub or shaft. The clamped connection presses the respective flange outer surface in a spring-mounted manner. Mutually corresponding elevations and depressions on the axial outer surfaces of the gear rim as well as on the axially inner surfaces of the flanges mesh with one another. | 02-19-2009 |
| 074448000 | Segmental rim | 3 |
| 20110174105 | Divided Tooth Wheel - The a divided toothed wheel having two toothed wheel halves which are tensioned in relation to each other is provided. The first toothed wheel half includes a hollow cylindrical collar with a groove, to which the second toothed wheel half is secured in a form-fitting engagement by a securing element inserted into the groove. The divided tooth wheel takes up a minimum amount of space from the axial direction and has two halves which are permanently connected together. The second toothed wheel half has a radially extending recess and the securing element is designed as an elastically shapeable ring which is arranged in a receiving chamber defined by the groove and the recess and the two toothed wheel halves are permanently joined together. | 07-21-2011 |
| 20110203398 | Divided Toothed Wheel - A divided toothed wheel is provided having two toothed wheel halves in tension in relation to each other, the wheel occupies only a minimum amount of space from the axial direction and the two halves are permanently connected together by a securing element designed as an elastically shapeable annular ring disk. The first toothed wheel half includes a hollow cylindrical collar, to which the second toothed wheel half is secured by the annular ring disk. The annular ring disk includes slots distributed over the periphery and extending radially outwards from a central opening forming spring tongues between the slots. The free ends of the spring tongues have edges that sit on the outer circumference of a component arranged in the central opening, in a form-fitting manner, as the spring tongues spring back after the annular ring disk has pressed against the second toothed wheel half. | 08-25-2011 |
| 20140305241 | SPLIT SPROCKET HAVING SLIDE TRACKS - A split sprocket for belts or chains. The split sprocket comprises two sections that slide together along parallel slide tracks that are perpendicular to two opposite walls of the sprocket's bore. The slide track includes male T-shaped, V-shaped, or jigsaw-puzzle-shaped beams on one of the sections that slide into mating female slots in the other section. The mated slide tracks prevent the sections from separating in all directions except the separation direction along the slide tracks. A fastener through one of the sections into the other prevents the assembled sprocket sections from sliding apart along the slide tracks. | 10-16-2014 |
