Matches 1 - 50 out of 97 1 2 >
Match Document Document Title
7611436 Angular position adjusting mechanism  
In an angular position adjusting apparatus, tooth profiles of an internal gear 31 and an external gear 21 are formed according to loop shapes 74 a and 84 a of predetermined trochoid curves ...
7476174 Eccentric oscillating-type planetary gear device  
Elastic deformation of bridge portions in an externally toothed gear and external teeth is suppressed, and this extends the life of tooth surfaces of external teeth 19 , improves vibration...
7407373 Internal gear pump and an inner rotor of such a pump  
An inner motor is structured to increase the discharge rate of an internal gear pump by making it possible to freely adjust the eccentricity e between the inner and outer rotors. Each tooth of the...
7354108 Seat reclining apparatus  
A seat reclining apparatus includes an internal gear, an external gear, an eccentric drive mechanism, and a base plate. The internal gear is secured to a seatback arm. The external gear includes an...
7329202 Toothless gear speed reducer  
A toothless gear speed reducer, which mainly includes an inclined plane cone drive gear, inclined plane conical driven gears and an inclined plane outer gear case drive ring. The toothless gear...
7303499 Displacing device  
A device for adjusting two parts ( 2, 3 ) relative to one another, other than for a displacing device which is provided displacing a camshaft. The adjusting device is smooth and easy to operate, is...
7081063 Internal planetary gear mechanism  
An internal planetary gear mechanism reduces a load applied to tooth surfaces of an external gear and an internal gear, a sliding portion such as a bearing and the like. By setting the amount of...
7081062 Standardized rotary actuator  
A rotary actuator incorporating a shell, an output plate and a cross-roller bearing retaining the output plate within the shell. A prime mover, disposed within the shell, exerts torque on a gear...
6902507 Roller cam assembly  
A two-stage epicyclic roller cam transmission comprising in each stage: a roller ring having a plurality of fixed-position rollers; and a cam gear having pitch-circle-generated, trochoid-shaped...
6342023 Gear profile for orbital gear transmissions, and orbital gear transmission and winches utilizing orbital gear transmissions  
A gear profile for orbital gear transmission is disclosed in which an outer gear ( 10 ) and an inner gear ( 30 ) are included. At least one of the gears is constrained for orbital motion to impart...
6340127 Harmonic reduction gear and safety belt apparatus in motor vehicles comprising a harmonic reduction gear of this kind  
The invention relates to a harmonic reduction gear comprising a drive-side eccenter ( 12 ) which engages into a complementary opening ( 13 ) of an outer toothed member ( 14 ), and a housing-fixed...
6231469 Internally meshing planetary gear device  
An internally meshing planetary gear device which comprises an internal gear having a circular arc tooth form and an outer gear of a planetary gear having an epitrochoid tooth form, the internal...
5954610 Speed change gear assembly  
In order to miniaturize a speed change gear assembly, the respective gears are arranged in the order of the first gear A 1 , the second gear A 2 , the fourth gear A 4 and the third gear A 3 in an...
5918508 Strain wave gearing having a non-interfering wide mesh range tooth profile  
A strain wave gearing is provided with tooth profiles formed taking into account tooth inclination and change in the movement locus of the origin of the tooth profile coordinates, thereby obtaining...
5820504 Trochoidal tooth gear assemblies for in-line mechanical power transmission, gear reduction and differential drive  
Trochoidal tooth form gear assemblies for in-line mechanical power transmission, gear reduction and differential drive employ internally meshed gear sets having differing numbers of trochoidal gear...
5715732 Harmonic flexible meshing gear device  
The silk-hat-shaped flexible external gear (13) of a silk-hat flexible meshing gear device (11) comprises a body (22), a diaphragm (23) and a boss (25). Between the main portion of the body (22)...
5707310 Internal planetary gear device  
An internal planetary gear device having an input shaft, an eccentric body rotating with the rotation of the input shaft, an external gear eccentrically rotatably mounted on the eccentric body...
5704865 Eccentric gear and process for making such a gear  
An eccentric gear comprises first and second gear rings (7,10) of which the one (7) has internal, straight cogs and the other (10) a smaller number of external cogs. At least one gear ring has a...
5695425 Outer tooth profile of planetary gear apparatus  
A planetary gear apparatus comprising an inner tooth gear having an inner peripheral portion formed with a plurality of inner teeth each in the form of a semi-circular cross-section shape and an...
5615579 Gear structure for reduction gears  
A gear structure including an internal gear and an external gear meshed together and moved relative to each other through a rotary motion, the radius of the root arcs of the teeth of the external...
5505668 Gear system  
In a conventional internal gear pair system such as a planetary gear system with a small gear ratio of the internal gear to the driving pinion, common problems include tip interference and limited...
5496225 Vehicle seat articulations  
The vehicle seat articulation includes a fixed flange fixed to a first framework of the seat, a mobile flange rigidly connected to a second framework of the seat, a cup member enabling the mobile...
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...
5429556 Internally meshing planetary gear structure and flexible meshing type gear meshing structure  
An internally meshing planetary gear structure or a flexible meshing type gear meshing structure is intended to achieve the lightening, miniaturization and high load capacity by increasing the...
5401220 Speed reducer with planocentric gear arrangement  
A two-stage speed reducer including a planocentric gear arrangement which has a rotatable output ring gear and a planet gear mounted within the ring gear for orbital movement. The teeth on the ring...
5290208 Series of speed increasing and reduction gear employing an inscribed meshing type planetary gear construction  
A series of speed increasing and reduction gear having an inscribed meshing type planetary gear construction, in which within the same frame number (sub-series) with a tie-in dimension to a mating...
5232413 Dynamic coupling device to transmit a rotatory motion between two shafts  
The device comprises a driving hub (4, 18) coaxially connected to one shaft (20) and oscillatably engaging a number of planetary gear elements (8, 25) homogeneously distributed around the axis of...
5145467 Geared motor for the drive of components, such as motor-vehicle accessories, particularly an opening roof  
This geared motor comprises an outlet shaft (2) of the motor (1), carrying two coaxial screws (3, 4) offset axially and of mutually opposed screw pitch, two gearwheels (5, 6) located on either side...
5135373 Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes  
A spur pump gear system comprising; a housing have a sealed chamber communicating with an intake port and a discharge port; a shaft journalled for rotation within said chamber; a drive spur gear...
5092826 Arc gear having a rotary transmission of 1:1  
The arc gear with a rotary transmission of 1:1 has an inner toothed toothwheel, an outer toothed toothwheel, each connected to a shaft, one of the shafts being for drive and one for output. The...
4973294 Limited-slip differential control system  
A control system for controlling a differential limiting force of a limited slip differential of a vehicle includes a section for sensing a turning radius of the vehicle, a section for sensing...
4969376 Planetary drive  
A planetary drive containing two gear wheels with differing numbers of teeth and a radially flexible planetary wheel in engagement with these gear wheels. The planetary wheel has internal teeth and...
4946428 Compact play-free speed-reducing transmission  
The compact high-ratio speed reducer without play consists of an external housing in which a first shaft is rotatingly arranged, carrying a planetary element on which a first gear is loosely...
4922781 Cycloidal equidistant curved gear transmission mechanism and its device  
This invention involves a gear transmission mechanism and its device which incorporate double cycloidal equidistant conjugated gear mechanisms and devices, featuring in that a whole branch cyclic...
4895038 Reinforced double toothing planet wheel for a micrometric articulation used more especially in vehicle seats  
The planet wheel has either toothings having different diameters but a same tooth module or toothings of a same diameter but different tooth modules. The toothings are produced by die stamping of a...
4875561 Dual clutch application area and control  
An adaptive clutch torque capacity control for an automotive vehicle clutch utilizing a dual area apply piston for engagement of the clutch plate for accurate control over a larger than normal...
4843911 Speed reducing or increasing planetary gear apparatus  
A planetary gear apparatus includes: an external gear mounted on an input shaft with an eccentric member and a bearing fitted onto the eccentric member therebetween; an internal gear engaging with...
4841811 Mechanical reducer  
It comprises a motor shaft (1); a driven member (5), revolving at different speeds; two reduction members (6, 7) comprising each a series of driving elements (10, 11). The two reduction members (6,...
4798104 Oscillatory tooth and needle gear transmitting devices  
An oscillatory tooth and needle gear transmitting device which is chiefly composed of a wave-actuator, an oscillatory tooth wheel and a stationary needle gear. The oscillatory tooth and needle gear...
4760759 Geared ratio coupling  
This invention pertains to gear reducers using the nutating principle. The tooth form is epicycloidal, but with the root or stem of the tooth also epicycloidal so that tooth contact between meshing...
4715249 Speed change device  
A speed change device that includes an annular ring journaled on the periphery of a swash plate having a plurality of equally spaced radially extending frusto-conical rollers on the periphery...
4713986 Hinge fitting  
A hinge fitting for pivotably and selectively locking the back rest of a vehicle seat to the vehicle frame has two planetary gear sets, formed as mirror-images of one another. Both sets have the...
4702126 Axial gear train having syncline face cycloid gearing  
An axial gear train having syncline face cycloid gearing which includes an opposed, spaced apart first pair of face gears each of which is rotatably carried on respective shafts having a common...
4679465 Eccentric swing gear transmission  
A transmission which comprises eccentric swing gears composed of a speed change internal gear and a speed change external gear each having a pressure angle of a tooth form within 30° to 45° and...
4673342 Rotary pump device having an inner rotor with an epitrochoidal envelope tooth profile  
A rotary pump device and an inner gear rotor therefore in which the inner gear rotor has a outer peripheral profile surface whose cross section perpendicular to its central axis is in the form of...
4667539 Planetary gear drive  
A planetary gear drive comprising two adjacent central gears with different numbers of substantially wedge-shaped teeth which form virtual tooth gaps with one another and define a virtual crown...
4573739 Hinge structure for seat with adjustable backrest  
Hinge structures are disclosed which are useful in seats with adjustable krests, the structures including a gear unit (6, 8) in which indented and protruding tooth systems (6a, 8a) are punched into...
4570510 Gearing mechanism, particularly for seat with adjustable back rest  
Gearing mechanism particularly for changing the relative angular position of two parts. A crown or ring gear with internal toothing is pressed from a sheet forming one arm, and a spur gear with...
4563039 Hinge joint for use in the seats of motor vehicles and the like  
A hinge joint which connects the back to the remainder of the seat in a motor vehicle has first and second leaves respectively provided with punched internal and spur gears. The internal gear...
4526064 Motion transmitting devices  
A motion transmitting device incorporates a toothed wheel wherein each recess between any two consecutive teeth is a portion of an ovoid profile. The ovoid profiles of such toothed wheel...
Matches 1 - 50 out of 97 1 2 >