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| Number | Title | Issue Date |
| 8152404 | Constructions means A construction element in the form of an openable clamping element (1) being applicable to a primary object and including at least one clamping element (1) surrounding the primary object and a locking element, characterized in that the clamping element... | 04/10/2012 |
| 7390139 | Boss assembly for threaded coupling A minimal volume boss may be formed as key and keyway assembly defining a shaft along the interface between the two pieces. A threaded fastener may be threaded into the shaft to lock the two pieces together. Because the key can have minimal volume, the cavitation sp... | 06/24/2008 |
| 7328879 | Equipment installation support on foundation A bearing washer is inserted into a horizontally elongated recess formed within the top flat surface of an upper tapered wedge of a support assembly through which equipment is adjustably positioned on a foundation. The upper wedge is vertically and horizontally adju... | 02/12/2008 |
| 7267355 | Anti-rotational hitch ball A hitch assembly that includes an anti-rotation mechanism. The hitch assembly generally includes a hitch ball, a ball mount, and a fastener. The invention is directed to a mechanism for preventing rotation of either the hitch ball or the fastener relative to the bal... | 09/11/2007 |
| 7244910 | Welding torch nipple In accordance with one embodiment, there is provided a welding torch nipple for coupling a welding cable and neck assembly to one another. The exemplary nipple includes two hollow tubes: an inner tube disposed in an outer tube. The inner tube includes features that ... | 07/17/2007 |
| 7244911 | Alignment mechanism for a welding torch In accordance with one exemplary embodiment, there is provided a welding torch that includes features facilitating aligned assembly of various components of the welding torch with respect to one another. For example, the welding torch includes a nipple that carries ... | 07/17/2007 |
| 7237976 | Key-engaging part structure A key-engaging part structure which realizes an efficient formation of a key-engaging part in an axial-hole member is provided. A key-engaging through hole is formed in a key-engaging part of an axial-hole member while both and portions of the axial-hole member leav... | 07/03/2007 |
| 7147436 | Turbine engine rotor retainer A gas turbine engine has a rotor stack carried by a central shaft. A number of retainer segments each have a first surface engaging the rotor stack and a second surface engaging the central shaft so as to transmit a precompression force from the central shaft to the... | 12/12/2006 |
| 7115038 | Shaft-hub connection A shaft-hub connection for transferring a torque between a shaft (1) and a hub (3) with the aid of at least one drive element (2). To enable a torque transfer which is practically resistant to wear, even under the effect of transversal forces, t... | 10/03/2006 |
| 7051806 | Internal slip connector An internal slip connector useful for attaching tools or other devices to the inside wall of a conduit, the connector having a mandrel with a head end, a threaded end, a reduced-diameter shaft section disposed between the head end and the threaded end, two abutting ... | 05/30/2006 |
| 7037203 | Adapter device for adapting a worm gear An adapter device is disclosed for adapting a drive of a worm gear to rotate an output shaft. The adapter device includes a sleeve having an inside diameter which is slightly greater than an outside diameter of the output shaft. The sleeve has an outer diameter whic... | 05/02/2006 |
| 7013508 | Bed rail assembly A bed rail assembly includes a joint device connecting two top tubes, a pair of corner members mounted to free ends of the top tubes, two vertical tubes mounted to and depending from the corner members, and a pair of knuckle devices mounted to lower ends of the vert... | 03/21/2006 |
| 6997834 | Device for guiding a moveable conical pulley disc of a CVT variator A device, in a continuously variable belt transmission system, for guiding a conical pulley (3) of a variator on a variator shaft (1). The moveable conical pulley (3) is fitted onto two bearing sections (4, 5) of the variation shaft (1... | 02/14/2006 |
| 6945728 | Mechanical fastener A mechanical fastener assembly having a first member and an insert. The first member includes a cavity into which the insert is forced. The insert includes a body portion having a non-circular cross section defined by a plurality of arcuate sections. Forcing the ins... | 09/20/2005 |
| 6912927 | Modular-flexible wormshaft assembly A worm shaft is provided with an intermediate worm thread section between first and second end structures, wherein at least one of the first and second end structures has a coupling structure for a desired extension of a plurality of modular worm shaft extensions. T... | 07/05/2005 |
| 6905280 | Apparatus and method for securing a hub to a rotatable shaft Apparatus and method for rotationally immobilizing a hub on a rotatable shaft. A portion of the shaft is cylindrical and has a first diameter. The hub has a cylindrical axial bore having a second diameter larger than the diameter of the shaft. At least one axially-e... | 06/14/2005 |
| 6877927 | Shaft coupler A shaft coupler to connect two coaxial segments of a drive shaft. Each segment includes a tongue, which tongues complement each other to transmit torque and resist axial separation. A bearing surface on each tongue lies within the locking angle of their material so ... | 04/12/2005 |
| 6739794 | Key locking device The coupling device is an assembly comprising of three congruently shaped axially extending parts with mating wedge-like angular cuts intended to cause said parts to expand in a direction of the minor width when a screw type fastener pulls the two outer members toge... | 05/25/2004 |
| 6568063 | Concentric drive method and apparatus A method for improving the concentricity of a coupling between a shaft and a hub in a motion control system. The shaft is coupled to the hub by means of a bushing that may be drawn into the hub by means of a single set screw. The depth of the bushing exce... | 05/27/2003 |
| 6540431 | Connector support structure A connector support structure including first and second connectors is disclosed. The first connector is supported by a part to be assembled. The second connector is to be fitted with the first connector. The first connector includes a first connector bod... | 04/01/2003 |
| 6516895 | Tool shank mounting assembly A mounting assembly for a shank including a shank holder having a passage for receiving the shank, the passage having at one end opposite tapering surfaces which define with the leading edge of the shank opposite tapering spaces for receiving wedge member... | 02/11/2003 |
| 6481917 | Tie-boltless shaft lock-up mechanism An apparatus for preventing movement of a wheel on a shaft comprises a nut concentrically disposed on the shaft. A spring is disposed on the shaft and is operatively adjacent to the nut such that the spring can be biased towards the wheel. A first clampin... | 11/19/2002 |
| 6478504 | Hub with integral key and integral positioning stop A hub for a pulley, gear, or wheel is formed with an integral key or other integral means for preventing relative rotation and with an integral stop for positioning the hub axially on a shaft. The hub has a generally cylindrical opening for a shaft, an in... | 11/12/2002 |
| 6447199 | Table spider column connection A sleeve type locking device, whether it be a hollow sleeve, a set screw configured device, secures a table base column to its associated spider, as within a counterbore, upon tightening of its supporting rod, during assembly and interconnection of such s... | 09/10/2002 |
| 6431654 | Mining machine having an extendable and retractable rotor arm and method of repairing an extendable and retractable rotor arm assembly An extendable rotor arm for a mining machine includes a rotor arm having an end portion, a sleeve removably secured on at least part of the end portion, a rotor arm extension having an internal opening in which the sleeve and the end portion of the rotor ... | 08/13/2002 |
| 6386066 | Variable stroke crankshaft assembly A variable stroke crankshaft assembly includes a drive shaft surrounded by a sleeve. A crankshaft is disposed inside the drive shaft with the longitudinal axis of the crankshaft offset from the longitudinal axis of the drive shaft. A gear projecting outwa... | 05/14/2002 |
| 6328361 | Tool with removable handle A garden tool of the type having a shaft handle includes a tool with a handle socket provided with an array of teeth to interengage an array of teeth formed on a lug fastened on the handle shaft so that when the end of the shaft is inserted into the handl... | 12/11/2001 |
| 6152849 | Friction roller type continuously variable transmission A friction roller type continuously variable transmission comprises input and output discs arranged on a common axis; friction rollers each being operatively interposed between the input and output discs to transmit torque therebetween; supporting members... | 11/28/2000 |
| 6116807 | Rod end retainer socket A socket pivotally retains the end of a rod that is inserted axially into the socket from either axial direction comprises a lever and two annular retaining clips. One clip is inserted into a hole in the lever from one side and the second clip is inserted... | 09/12/2000 |
| 6109898 | Compressor ring attachment A scroll compressor having a compressor housing and an orbiting scroll member is provided with an annular plate between the housing and orbiting scroll member. The plate having an axial aperture provided therethrough, the plate abutting one of said housin... | 08/29/2000 |
| 6106187 | Torque transmitting device for transmitting torque without play between a shaft and a body complementary thereto A torque transmitting device between a shaft (1) and a body (3) having a bore appropriate for the shaft comprises a pin (12) received in mutually complementary and facing recesses in the shaft and the body (1, 3), respectively. The center (O) of the pin (... | 08/22/2000 |
| 5988931 | Motor and generator coupling device A motor and generator coupling device including a coupler having a generally cylindrical configuration. The coupler has an inner end and an outer end. The outer end has three studs extending outwardly therefrom. The three studs are dimensioned and are ali... | 11/23/1999 |
| 5934447 | Sprocket drive with cylindrical keys A roller drive sprocket system, in which a drive roller mounts sprockets for driving a belt, and having a general cylindrical drive drum, semi-cylindrical grooves formed axially along the surface of the drive drum, sprockets formed of plastic with drive t... | 08/10/1999 |
| 5688070 | Connecting a shaft to a bore An assembly for drivably connecting a shaft to a bore includes a member having a bore, wherein a keyway is included in the bore having a semi-circular cross section. A shaft is provided which is configured to have a non-interference fit in the bore, and a... | 11/18/1997 |
| 5634542 | Friction clutch with a flywheel A friction clutch/flywheel assembly includes a flywheel with a predetermined diametral area designed to hold a preferably cylindrical wall of a basin-shaped clutch housing, so that the clutch housing does not rotate and is also secured against axial movem... | 06/03/1997 |
| 5588818 | Rotor-to-rotor coupling A rotor to rotor coupling providing a connecting rod having longitudinal grooves mating to longitudinal grooves in a rotor end. The mated grooves forming chambers for which pins are received therein. A rotor cap secures the captured pins within the chambe... | 12/31/1996 |
| 5553966 | Connecting a shaft to a bore A shaft 44, 144, 145 is conventionally driveably connected to a bore 46, 146 by a steel key of rectangular cross-section. Where the shaft is of smaller diameter than the bore, a slotted nylon sleeve is fitted between them and a tall steel key extends thro... | 09/10/1996 |
| 5538355 | Key apparatus In a key apparatus having a drive keyway, the drive keyway comprises, a first side wall having a planar inner surface, a second side wall having a planar inner surface, and an end wall having a curvilinear "wave-shaped" inner surface. The first and second... | 07/23/1996 |
| 5531537 | Cylindrical key and slot coupling A cylindrical pin couples a driven member, such as a rotor, to a driving shaft by means of axially and angularly aligned cylindrical grooves in the shaft and driven member defining a cylindrical cavity for receiving the pin. The pin fits in the defined ca... | 07/02/1996 |
| 5518109 | Conveyor drive apparatus A conveyor drive apparatus comprising a shaft having sprockets mounted thereon for rotation with the shafts. A conveyor belt is engaged by the sprockets. A key includes a body shaped to fit loosely in a groove along the length of the outer surface of the ... | 05/21/1996 |
