Quotables
"Telephone, n. An invention of the devil which abrogates some of the advantages of making a disagreeable person keep his distance. "
Ambose Bierce
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.
| Number | Title | Issue Date |
| 7985141 | Universal double-jointed coupling for railway vehicles A universal double-jointed coupling for railway vehicles with two joint levels comprises two coupling joints which are interconnected via a shaft that is surrounded by a hollow pinion shaft in order to transmit torque by means of said hollow pinion shaft. One joint ... | 07/26/2011 |
| 7854659 | Joint for the transmission of rotational motion The invention provides a joint for the transmission of rotational motion between two rotatable elements, including a first, driven, element consisting of a shaft portion and a head portion, the head portion including a first recess and a second, contiguous, recess i... | 12/21/2010 |
| 7337643 | Rolling mill drive with a coupling and decoupling device A rolling mill drive with at least one drive spindle arranged between a drive unit and a driven roll and terminating in a spindle head connected detachably to the neck of the roll. A coupling and decoupling device is arranged between the neck of the roll and the spi... | 03/04/2008 |
| 7331744 | Lobed drive for hi-lite fastener A drive socket for a male threaded fastener includes three rounded lobes of equal radius which are located equidistant from the center of the fastener and 120° apart from each other. The drive socket also includes three flat surfaces, each flat surface being locate... | 02/19/2008 |
| 7314416 | Drive shaft coupling A drive shaft assembly to interconnect a driving component and a driven component has a first shaft and a second shaft operably engaged with the first shaft to enable torque transmission and relative axial sliding motion. A joint component operably interconnects one... | 01/01/2008 |
| 7278342 | Tool connecting device A tool connecting device includes a tool mount having a non-circular socket opening for receiving a non-circular spatial engaging member of a tool shank to allow the tool shank to be selectively tilted relative to the tool mount to different angular position. An anc... | 10/09/2007 |
| 7261022 | Insertion type hand tool An insertion type hand tool comprises a tool body having a handle and a connecting portion extended from the handle; the connecting portion having a combining groove; a driving portion having an engaging end corresponding to the connecting portion; at least one side... | 08/28/2007 |
| 7226262 | Lobed drive for hi-lite fastener A drive socket for a male threaded fastener includes a plurality of rounded lobes of equal radius which are located equidistant from the center of the fastener and an equal distance from each other. The drive socket also includes flat surfaces located opposite the l... | 06/05/2007 |
| 7225710 | Combination driver and combination fastener A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight walls of a hexagonal-head. Th... | 06/05/2007 |
| 7153214 | Universal joint A universal joint to transmit force from a tool to a workpiece. A driver attachable to the tool has a spherical cavity. A plurality of inwardly facing protrusions is formed in the cavity. Each protrusion has a pair of conical sidewalls separated by an angled ramp. A... | 12/26/2006 |
| 7097566 | Temporary repair device for mechanical drive couplings A repair device for a flexible drive coupling having a shell and a hub includes a first member fixed to the shell and a second member fixed to the hub. The first member includes a slot. A portion of the second member extends from the hub and is slidably positioned w... | 08/29/2006 |
| 7073416 | 3-point/5-point fastener, 3-point/5-point bit The present invention provides a fastener that can be used with a variety of bits as well as a fastener with several security features that can be used only with a very specialized bit and, also, a fastener/bit combination that can be used in conjunction with high-t... | 07/11/2006 |
| 7059851 | Dental model articulator Disclosed is a dental model articulator to connect the upper and the lower dental model casts. A mounting member is respectively mounted on each upper and lower cast, and a pair of elastic connecting members are connected to the mounting members. A vertical bar of t... | 06/13/2006 |
| 7018298 | Pivotal driving tool assembly A pivotal driving tool includes a socket having a non-circular cavity formed by three or more planer side walls, and having an inner retaining ring. A mandrel includes a driving shank having a non-circular cross section for engaging into the socket, to allow the soc... | 03/28/2006 |
| 7002279 | Armature shaft for an electrical machine An armature shaft for an electrical machine having a plurality of notches, extending along the circumference of the armature shaft essentially parallel to the longitudinal direction of the armature shaft, which notches form a notching heap. At least the notching hea... | 02/21/2006 |
| 6837315 | Rotary steerable drilling tool The invention refers to a rotary steerable drilling tool having a tool collar and a bit shaft. The bit shaft is supported within the tool collar for pivotal movement about a fixed position along the bit shaft. Moreover, the rotary steerable drilling tool includes a ... | 01/04/2005 |
| 6547479 | Spline, an assembly utilizing the spline, and a method for transferring energy A tapered spline 16 which allows members 12, 14 to be selectively coupled and which further allows energy to be selectively communicated by and between these members 12, 14.... | 04/15/2003 |
| 6405612 | Electric steering column An electric steering column for a motor vehicle is provided, which has a steering shaft. A jacket tube extends along the steering shaft to cover the same. A worm wheel is rotatably held by the jacket tube and has a center bore through which a given portio... | 06/18/2002 |
| 6364772 | Disconnect for high-speed rotating shafts A self-actuating thermal disconnect disengages two coaxially aligned shafts if equipment driven by one of the shafts overheats. The disconnect uses the centrifugal force of a molten material as the principal actuation. The disconnect end of a drive shaft ... | 04/02/2002 |
| 6306042 | Phase variator with movement limit devices A phase variator including a piston actuator slidable between two travel limit positions as a result of the supply of a flow of pressurized fluid to at least one chamber of the variator. Valves are provided in the variator for choking the flow associated ... | 10/23/2001 |
| 6302800 | Coupling device having a holder, which is provided on a flywheel mass, for a driver A coupling device is designed with a flywheel mass which faces a drive and is operatively connected, such that they rotate together, to a driver which acts on the drive. A holder is provided on the flywheel mass, which holder faces the driver and is provi... | 10/16/2001 |
| 6283867 | Elastic shaft joint An elastic shaft joint includes: a tube shaft; a shaft coaxially inserted in the tube shaft so that a predetermined axial region of the shaft overlaps with a predetermined axial region of the tube shaft; and a damper inserted between the predetermined axi... | 09/04/2001 |
| 6241616 | Variable length double telescoping drive shaft assembly A variable length double telescoping drive shaft assembly particularly suited for higher RPM applications (2,500 to 3,000 RPM). The assembly includes splined sliding members, namely a drive shaft and two elongated tubular members allowing for maximum tele... | 06/05/2001 |
| 6203439 | Hydraulic machine A hydraulic machine with an orbiting displacement element connected unrotatably with an output shaft via an intermediary shaft, the intermediary shaft having at least at one end an external toothing, which engages an internal toothing, which permits a swi... | 03/20/2001 |
| 6193232 | Drive mechanism for sheet material feed roller A gear wheel assembly is provided in a sheet material feed mechanism. The gear wheel assembly includes an annular cylindrical gear wheel having an interior surface defining an interior diameter, with a plurality of gear teeth extending from the interior s... | 02/27/2001 |
| 6171197 | Transmission coupling device The invention concerns a device for coupling the torque transmission between a primary shaft and a receiving shaft to enable an angular and/or radial misalignment and/or an axial displacement between the two shafts, comprising two hubs (2) each provided w... | 01/09/2001 |
| 6173146 | Developer cylinder and drive gear arrangement A developer cylinder and drive gear arrangement includes a drive gear having a coupling hole at one end of its gear shaft, and a developer cylinder having a coupling block at its one end coupled to the coupling hole at the gear shaft of the drive gear, wh... | 01/09/2001 |
| 6161954 | Mud mixing machine and coupler An apparatus for mixing powdered or premixed drywall joint compound and water to form a joint compound mixture or slurry includes a portable container rig with a container, pumping components, and mixing components on a dolly. A mixing element rests withi... | 12/19/2000 |
| 6093106 | Flexible coupling The tooth shape at around the pitch circle of the outer tooth gear of the pinion to be connected to the prime mover or driven shaft has a tooth surface which is in axial direction at around the central portion of the tooth width and which contacts at arou... | 07/25/2000 |
| 6026700 | Tooth form parameters for ground teeth of gear spindle coupling and method of making the same A gearset for a gear spindle coupling or the like, and method for forming the same, comprising a sleeve gear and a hub gear which may be ground after surface hardening without the introduction of undesired structural weakening. The sleeve gear includes in... | 02/22/2000 |
| 6009609 | Drive line conversion process A drive line conversion process that utilizes the same drive and driven components for a full time all-wheel drive as a selectable two-wheel/four-wheel drive. A coupler or clutch ring which connects a drive member to a driven member is retained in positio... | 01/04/2000 |
| 5987287 | Developer cylinder and drive gear arrangement A developer cylinder and drive gear arrangement, includes a drive gear having a coupling hole at one end of its gear shaft, and a developer cylinder having a coupling block at its one end coupled to the coupling hole at the gear shaft of the drive gear, w... | 11/16/1999 |
| 5911286 | Independent suspension and halfshaft assembly with double crown spline joint An independent suspension and rear halfshaft assembly for a vehicle having at least one wheel, a frame and at least one source of torque transmission, comprising at least one rigid arm hingedly connected to the frame and connected to the wheel, a Cardan t... | 06/15/1999 |
| 5911630 | Flexible gear coupling The flexible gear coupling comprises a seal member 14 axially slidably disposed on the outer circumference surface of the connection portion 13b of the pinion 13, the each opposite end of the seal member 14 having a spherical seal surface 14a of the prede... | 06/15/1999 |
| 5816170 | Tractor bogie with incorporated gauge-change system A tractor bogie with an integral gauge-change system which includes two frames which support sets of running gear and have sliding and centering blocks to support the bogie and unweight the wheels as they pass through a gauge changer; a toothed extendible... | 10/06/1998 |
| 5716159 | Spline and spline for rotary elements of multi spindle extruder A tooth-profile shaped spline convenient to rotary elements of a multi spindle extruder is provided. The spline has a tooth profile which can be provided by deforming a continuous curve as if the x-axis ran on a center circle of predetermined radius. This... | 02/10/1998 |
| 5437351 | Friction disk brake mechanism for electric motor A brake mechanism for selectively stopping and permitting rotation of a shaft journaled in a motor frame, the brake mechanism comprising: a brake hub secured to the shaft for rotation therewith, the hub including a plurality of first splines each having a... | 08/01/1995 |
| 5411423 | Marine propulsion device with releasably coupled drive shaft assembly Disclosed herein is a shaft assembly including a vertically extending axis and comprising a lower shaft having an upper end portion including an upper end, and an axial bore extending downwardly from the upper end, an upper shaft including a lower end por... | 05/02/1995 |
| 5358399 | Cutter holder device in a pelletizer Disclosure is a cutter holder device for a pelletizer in which a cutter shaft is coupled to a cutter holder through a crowned involute spline gear and an elastic member so that cutter blades are kept in close contact with a die surface. In the cutter hold... | 10/25/1994 |
| 5112259 | Two piece drive shaft retention device for outboard motor An outboard motor comprising an engine, a propeller shaft, a first drive shaft portion defining an axis and having a first end connected to the engine, and a second end opposite the first end, a second drive shaft portion coaxially aligned with the first ... | 05/12/1992 |
