U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5593111

Safety System For Remove a Rider From a Vehicle by Deploying a Parachute

Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.

Newsletter  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.

 

Class 475/180 - Particular gear tooth


Subclass of Class 475 - Planetary gear transmission systems or components
Definition: Subject matter wherein significance is attributed to the
No. of patents: 76
Last issue date: 04/17/2012


1    
NumberTitleIssue Date
8157691Toothed wheel gearing (variants) and a planetary toothed mechanism based thereon (variants)
The engagement of gearwheels with curvilinear teeth is intended to create small-sized mechanical gears of rotational motion with big gear ratio in one stage. The smaller gearwheel—pinion (16)—has one tooth, having in its face section the shape of circumfe...
04/17/2012
7678007Reclining device incorporation by reference
The present invention relates to a reclining device that includes an external teeth gear and an internal teeth gear and in which the rotation axis of one of the external teeth gear and the internal teeth gear revolves around the rotation axis of the other. The prese...
03/16/2010
7611436Angular 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 74a and 84a of predetermined trochoid curves 74 and 84. ...
11/03/2009
7407373Internal 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 inner rotor includes a tooth bottom defined by hypocycloidal curves, ...
08/05/2008
7354108Seat 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 external tooth portion being in meshing contact with the internal ge...
04/08/2008
7351177Series of gearboxes
A series of gear systems is disclosed, each of which comprises least one double-shaft, reversible planetary stage including a combination of an open positive gear system having lantern-gear teeth and an output system. “z1” represents the lantern-gear ...
04/01/2008
7329202Toothless 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 speed reducer overcomes the difficult problems existent in conventional ...
02/12/2008
7303499Displacing 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 self-locking, and ensures a backlash-free, continuous displacem...
12/04/2007
7178420Ring gear
A ring gear includes teeth (10) and tooth gaps (12), in which the teeth (10) can be brought vie tooth flanks (14) into engagement with a corresponding pinion. The tooth flanks (14), after a final engagement point (16) of the...
02/20/2007
7086304Roller cam assembly
A transmission comprises a pair of drive shafts, one an input shaft and the other an output shaft, wherein one of said shafts is attached to a toothed cam having a trochoidal profile and the other drive shaft is attached to a roller ring having a plurality of cylind...
08/08/2006
7081062Standardized 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 train within the shell. A pair of gears, disposed on either side of the...
07/25/2006
7081063Internal 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 eccentricity α of an eccentric part to be larger than a theoretical va...
07/25/2006
6902507Roller 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 teeth and independent pitch, wherein the rollers are spaced to mesh with...
06/07/2005
6342023Gear 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 rotary motion to the other of the gears. The profile of teeth ...
01/29/2002
6340127Harmonic 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 inner toothed ring (15) which is arranged around the outer toothe...
01/22/2002
6231469Internally 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 gear comprises pins, both ends of which are supported, and r...
05/15/2001
5954610Speed change gear assembly
In order to miniaturize a speed change gear assembly, the respective gears are arranged in the order of the first gear A1, the second gear A2, the fourth gear A4 and the third gear A3 in an axial direction (X-ax...
09/21/1999
5918508Strain 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 proper meshing over a wide range. Specifically, a tooth m...
07/06/1999
5820504Trochoidal 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 teeth, all of which are in continuous contact as one gear...
10/13/1998
5715732Harmonic 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) and a curved portion (222) is formed a thinned portion (221)...
02/10/1998
5707310Internal 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 through a bearing, an internal gear internally meshing with th...
01/13/1998
5704865Eccentric 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 conical form with a large end (A--A) and a small end (B--B),...
01/06/1998
5695425Outer 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 outer tooth gear positioned within the inner tooth gear and ...
12/09/1997
5615579Gear 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 gear being M, which is the ratio between the diameter of th...
04/01/1997
5556351Differential apparatus
A differential apparatus includes a differential casing (21) rotated by an engine drive power; pinion gears (51, 53) slidably and rotatably accommodated in accommodating holes (47, 49) formed in the differential casing (21); a pair of side gears (31, 33) ...
09/17/1996
5505668Gear 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 contact between the teeth of the gears. An internal gear p...
04/09/1996
5496225Vehicle 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 flange to execute an orbital movement causing an angular mo...
03/05/1996
5454766Continuously 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
5429556Internally 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 meshing points of the gear even is the difference in the teeth...
07/04/1995
5401220Speed 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 gear and the planet gear are tapered to permit axial adju...
03/28/1995
5290208Series 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 machine being constant, on both high and low speed change ...
03/01/1994
5232413Dynamic 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 said hub. The planetary gear elements (8, 25) are engaged b...
08/03/1993
5145467Geared 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 of the shaft and each interacting with a screw (3, 4), an...
09/08/1992
5135373Spur 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 mounted concentrically on said shaft about a first axis with...
08/04/1992
5092826Arc 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 shafts are arranged eccentrically with an eccentricity and pa...
03/03/1992
4995279Transmission systems
A continuously variable transmission unit includes a disc drivingly connected to a first shaft, said disc having a frusto-conical groove in its outer periphery, the walls of the groove being inclined inwardly towards one another; an annular element is mou...
02/26/1991
4973294Limited-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 centripetal acceleration of the vehicle, and a controller sect...
11/27/1990
4969376Planetary 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 external teeth and is arranged at least partially in an a...
11/13/1990
4946428Compact 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 supported, this gear having two toothings, one of which is in en...
08/07/1990
4922781Cycloidal 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 cycloidal equidistant curve at a side of the center of curv...
05/08/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?