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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7367740 | Mechanically lockable universal joint and structures employing such joint An adjustable support stand for an article such as a camera employs a plurality of elongated links connected to one another at their ends by lockable universal joints. Each joint consists of a pair of complementary knuckles, each joined to a link end by a splined co... | 05/06/2008 |
| 7300431 | Remote controlled device for tool rotating A remote-controlled device for rotating tools, preferably medical tools, comprising a hollow body (1) which is embodied in the form of pivotally connected proximal and distal parts (2, 6) provided with a pair of adjacent end surfaces (5, 5′) w... | 11/27/2007 |
| 7191711 | Shafting especially a cardan shaft and homokinetic bogie drive system for rail vehicles A shafting, particularly a cardan shaft for rail vehicles, has two cardan joints (4,5), each of which comprises two link forks (7–10) coupled to one another by a central part (6). The central part (6) comprises at least two partial elem... | 03/20/2007 |
| 7040878 | Eccentric screw-type pump An eccentric screw-type pump has a pump section with a tubular pump casing, a stator cladding and a pump cavity (30) configured in correspondence with a double-thread or multi-thread screw. A screw-type rotor is connected to a driving shaft via a flexible sha... | 05/09/2006 |
| 7004843 | Flexible universal joint sub connection for down hole mud motor method and apparatus A mud motor universal joint assembly that includes a pair of adjacent cylindrical joints having threaded connection means at one end and interlocking jaws at the other, each cylindrical joint having an internal blind tapered bore within the interlocking jaw portion ... | 02/28/2006 |
| 6997271 | Drilling string torsional energy control assembly and method The present invention provides a torsional energy control assembly and method for eliminating slip-stick and/or drill bit oscillations comprising axial and/or rotational oscillations. In one preferred embodiment, the assembly permits slippage between an upper portio... | 02/14/2006 |
| 6929418 | Adjustable locking mount An adjustable locking mount system permits rotation about at least one of x, y, and z axes. Methods provide for rotating and rocking the mount to obtain the desired position, fixing the mount in the desired position, and mounting an object onto the mount. ... | 08/16/2005 |
| 6835159 | Torque transmitting device with backlas-compensation A device for transmitting torque and axially securing a first and a second component (30, 40) that exert torque. The second component advantageously consists of a disk 40, which can be placed with its recesses 42, which are arranged on its perip... | 12/28/2004 |
| 6672966 | Curvic coupling fatigue life enhancement through unique compound root fillet design A lower stress and higher service life curvic coupling design is disclosed for use on coupling mechanisms for assembly of components that comprise rotating elements, such as impellers, turbine wheels and couplings for gas turbine engines and other types o... | 01/06/2004 |
| 6669570 | Connecting assembly at a driveshaft A connecting assembly for a driveshaft, includes an end toothing at a first component and an end toothing at a second component, wherein the end toothings have teeth and gaps. In an end view, the image of the teeth and gaps at both components, are identic... | 12/30/2003 |
| 6595893 | Freeing mechanism for motorized gear reducer A motorized gear reducer wherein a first external gear 41 is mounted on an input rotary shaft 11 coupled to a driving motor 3 and wherein a second external gear 43 is capable of engaging with the first external gear. The front end portion 63 of the first ... | 07/22/2003 |
| 6569020 | Motor coupler A flexible coupling has two spherical surfaces in rubbing contact to carry thrust, both surfaces having a common center of surface development each surface on an opposed coupling half, each coupling half having jaws extending toward the other half in an i... | 05/27/2003 |
| 6302797 | Flexible drill pipe In the invention a flexible drill pipe comprising a plurality of short tube sections assembled end to end. Each short tube section having the same number and type of saw tooth shaped gear teeth cut around the circumference of each end of the short tube se... | 10/16/2001 |
| 6080066 | Motion impartation device A motion impartation device having a driving portion; a driven portion engaged with the driving portion such that at least one gap separates the driving portion from the driven portion; and a structural element disposed in each gap such that a first compr... | 06/27/2000 |
| 6065898 | Three tooth kinematic coupling A three tooth kinematic coupling based on having three theoretical line contacts formed by mating teeth rather than six theoretical point contacts. The geometry requires one coupling half to have curved teeth and the other coupling half to have flat teeth... | 05/23/2000 |
| 5905927 | Image forming apparatus and driving mechanism for image holding member In order to provide a driving mechanism for a photosensitive drum which is capable of reducing deformation of the shaft of the photosensitive drum caused by loads when transmitting a driving force, a drive transmission course 51 is diverged to at least tw... | 05/18/1999 |
| 5846135 | Universal joint comprising a pair of crown gear elements confined within a slotted casing A universal joint comprises a driving gear and a driven gear each provided with a respective crown gear cluster, and a slotted casing confining the driving gear and the driven gear in meshing engagement. The casing comprises a slot through which the drive... | 12/08/1998 |
| 5830071 | Telescopic shaft including intercooperating male and female members A telescopic shaft including a male member slidably fitted in the interior of a female member. The male and female members are rotatably locked by providing, on contact surfaces, a succession of small longitudinal ribs meshing with one another. One of the... | 11/03/1998 |
| 5730657 | Shaft coupling A shaft coupling including a first gear on an end of a first shaft, a second gear on an end of a second shaft meshing with the first gear, a tubular sleeve around the meshing first and second gears, a universal thrust bearing between the tubular sleeve an... | 03/24/1998 |
| 5688114 | Progressing cavity pumps with split extension tubes A progressing cavity pump comprises an inlet housing defining a chamber, an extension tube defining a tube interior communicating with the chamber, a stator defining an internal passageway communicating with the tube interior, a rotor positioned in the in... | 11/18/1997 |
| 5672112 | Zero clearance locking mechanism for a disconnect coupling device A zero clearance locking mechanism for a disconnect coupling device for a segmented driveshaft wherein the disconnect coupling device includes an input disconnect member having an input splined coupler integrated in combination therewith, an output discon... | 09/30/1997 |
| 5651737 | Drill motor coupling for misaligned rotating shafts A drill coupling having opposing leg members which matingly engage to transmit rotational load. A pin having an enlarged spherical convex head is laterally inserted between leg members of one element within a recessed region precluding the axial removal o... | 07/29/1997 |
| 5615969 | Rotary drive coupling Disclosed is an adjustable length rotary drive coupling comprising a first rotary shaft provided with at least one tooth and a second rotary shaft provided with a plurality of abutment surfaces spaced apart along the length thereof associated with each th... | 04/01/1997 |
| 5569090 | Universal joint comprising a pair of crown gear elements confined within a slotted casing A universal joint comprises a driving gear and a driven gear each provided with a respective crown gear cluster, and a slotted casing confining the driving gear and driven gear in meshing engagement. The casing comprises a slot through which the driven ge... | 10/29/1996 |
| 5545091 | Universal joint comprising a pair of crown gear elements confined within a slotted casing A universal joint comprises a driving gear and a driven gear each provided with a respective crown gear cluster, and a slotted casing confining the driving gear and driven gear in meshing engagement. The casing comprises a slot through which the driven ge... | 08/13/1996 |
| 5469931 | Propeller shaft arrangement The propeller shaft arrangement which connects a transmission with a differential gear of a vehicle includes a first propeller shaft segment connected to the transmission at one end thereof and a second propeller shaft segment connected to the differentia... | 11/28/1995 |
| 5205789 | Flexible drilling motor coupling A modified jaw type shaft coupling has two opposed members arranged to allow limited flexure about a point that is the geometric center of mating spherical surfaces, a concave surface on one member and a mating convex surface on the other member. One memb... | 04/27/1993 |
| 5073145 | Joint movable in all directions, especially for linkages and Cardan shafts A joint movable in all directions for linkages and Cardan shafts. The joint includes only two parts of identical design made from an elastically deformable plastic, wherein the coupling members of identical design are fitted into each other at a 90° angl... | 12/17/1991 |
| 5001824 | Method of flexibly coupling a drive shaft In semiconductor vacuum processing, it is desirable to minimize the material handling mechanisms that must be located in the evacuated process chamber. To accomplish this, a mechanism has been designed that locates the necessary power elements such as mot... | 03/26/1991 |
| 4997408 | Axial spline drive lug An axially toothed gear mechanism for transmitting torque and angular displacement from a driving member to a driven member which can accommodate a slight angular mismatch between the two, and which minimizes backlash and wear of the teeth.... | 03/05/1991 |
| 4969371 | Gear type flexible coupling A hob or shaper cutter for making a hub for a misalignment gear coupling having a hub and a sleeve. The hob or shaper cutter has cutting edges. Each cutting edge being inclined at a different angle to the center line of the tooth. The cutting edges are ad... | 11/13/1990 |
| 4947942 | Angle drive for a surgical power tool An angle drive for a surgical power tool comprises a tool housing and first and second shafts rotatably supported end to end in the housing. The shafts have rotational axes which cross at an obtuse angle. Interengaged, opposed bevel gears are provided on ... | 08/14/1990 |
| 4881922 | Separable drive coupling using metal bellows In semiconductor vacuum processing, it is desirable to minimize the material handling mechanisms that must be located in the evacuated process chamber. To accomplish this, a mechanism has been designed that locates the necessary power elements such as mot... | 11/21/1989 |
| 4840601 | Self balancing universal joint A universal joint comprising a pair of coupling devices each including a generally cylindrical portion having an extension at one end including a plurality of projections which are outwardly divergent and circularly spaced. Such projections of each coupli... | 06/20/1989 |
| 4789377 | Universal joint A universal joint comprises a driving shaft and an angularly movable driven shaft. Each shaft comprises a cluster of axially interengaging gear teeth. Each gear tooth is semi-spherical, and each adjacent pair of gear teeth define a semi-spherical socket b... | 12/06/1988 |
| 4721493 | Universal joint with intermeshing curvilinear gears A universal joint adapted for attachment to a socket wrench or similar device. The universal joint includes first and second bodies having adjacent convexly curved outer surfaces. Each body has a central axis, and the curved surface on each body defines a... | 01/26/1988 |
| 4655655 | Tool and workpiece holding arrangement for material removing machining A tool and workpiece arrangement for material-removing machining includes a primary holder and a replaceable secondary holder which is mounted on the primary holder, and which carries a tool or a workpiece. The primary holder is provided at its end face, ... | 04/07/1987 |
| 4644813 | Drive means for roller door An improved roller door drive assembly comprising a drum, upon which a curtain is rolled, and a gear coaxially mounted to and engaged with the drum. The means of engagement consists of a plurality of forks projecting from the gear adapted to engage drum s... | 02/24/1987 |
| 4505633 | Overruning sprocket for bale wagon pickup An overrunning sprocket for the bale pickup mechanism on a bale wagon is disclosed wherein the drive sprocket for transferring rotational power from a drive shaft to the elevating mechanism in the bale pickup is rotatably mounted on the drive shaft for ro... | 03/19/1985 |
| 4449956 | Constant-velocity universal joint In a constant-velocity universal joint, the rotary motion to be transmitted from the driving shaft to the driven shaft through the medium of rotary members disposed between the opposed lateral contact surfaces of the adjacent yokes of the driving shaft an... | 05/22/1984 |
