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| Number | Title | Issue Date |
| 7357363 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 04/15/2008 |
| 7351046 | 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... | 04/01/2008 |
| 7155799 | Method of holding a key in a keyway An improved method of holding a key (20) in a keyway (31) includes the steps of: forming an elongated keyway in the member, the member having at least one sharp corner (34) facing into the keyway adjacent either end thereof; forming a key (20... | 01/02/2007 |
| 7128734 | Apparatus and method for reverse tunneling a multi-lumen catheter in a patient An apparatus and method for tunneling a distal portion of a multilumen catheter tube in a patient is disclosed. The apparatus includes a connector having a distal end and a proximal end. The proximal end includes a first coupling portion for selective connection to ... | 10/31/2006 |
| 7011281 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 03/14/2006 |
| 6912929 | Multi-piece crankshaft construction A multi-piece crankshaft having a shaft with two ends and in which the shaft is adapted to rotate about its shaft axis and a crankpin with at least one indentation. The shaft and crankpin are placed within a mold having a first mold cavity corresponding in shape to ... | 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 |
| 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 |
| 6357194 | Tapered dovetail joint The tapered dovetail joint is a method of joining two boards, or other rigid materials such as particleboard, wafer board, etc., by a unique type of modified dovetail joint. The modification to the classic dovetail joint includes tapering the dovetail pin... | 03/19/2002 |
| 5902066 | Taper shaft lock A device for locking a disk or plate to a shaft, wherein the disk or plate has an opening therein corresponding substantially to the diameter of the shaft; the device comprising: a) a threaded bolt having an enlarged head; b) a wedge piece having a round outer... | 05/11/1999 |
| 5873784 | Power steering system having a mechanical safety breaker A mechanical safety breaker for disengaging a mechanical connection between two mechanical members at a time when a force transmitted through the connection of the two members exceeds a predetermined value is provided by employing an overload breaker elem... | 02/23/1999 |
| 5797677 | Screw-type extruding machine having a screw element defining a groove with an expansion region at each end thereof A screw-type extruding machine includes a housing; a driveable shaft disposed inside the housing and including a rotational moment transfer element; and at least one screw element. The screw element has two ends and defines a longitudinal groove therein f... | 08/25/1998 |
| 5778734 | Fastening structure An upper cover (12) and a lower cover (14) are fastened to each other on their front faces by a hexagon socket head cap screw (40). While a cover supporting column (34) is received on a column seat (38) of each fixation tongue (30) projected from the uppe... | 07/14/1998 |
| 5746536 | Double taper lock system for a locking a mixer shaft in a quill A system for automatically centering and rigidly retaining a mixer shaft in a mixer drive. A hollow quill in a mixer drive is provided with an axial bore having a first diameter along a central portion thereof and tapering linearly and axially in opposite... | 05/05/1998 |
| 5624016 | Locking apparatus for a keyed connection Apparatus (300) is disclosed for locking a key (322) in a keyway (302) of a shaft (10) and of a hub slideably receiving the shaft (10). The key (322) is tapered and includes a top extending at an acute angle to the bottom, with the keyway (302) of the sha... | 04/29/1997 |
| 5344252 | Key for coupling driving and driven members together This key comprises a pair of elongated blocks each having a tapered recess; a tapered pin adapted to be inserted in a tubular tapered portion which is formed by bringing the pair of blocks together in such a manner that the tapered recesses confront, and ... | 09/06/1994 |
| 5316457 | Gear pump with improved gear/shaft retention A gear pump in which a gear is secured to a shaft by a press fit and by a key which fits into a slot in the shaft. The key includes radially projecting ears which fit into keyways in the bore of the gear, the keyways having bottoms facing axially toward t... | 05/31/1994 |
| 5271784 | Method for manufacturing composite bicycle frames A method for manufacturing a composite bicycle frame adapts stepped forming. The seat stays combined with the seat support means which are connected to parts of the top tube and seat tube, and the chain stays combined with the pedal support means which ar... | 12/21/1993 |
| 5213001 | Power transmission element having increased torque capacity A thermoplastic power transmission element having increased torque capacity. A power transmission element, such as a gear, pulley, sheave or sprocket, is formed of a thermoplastic material and includes a central hub arranged to surround and engage a keyed... | 05/25/1993 |
| 5138923 | Rotary die cutter A rotatable cylinder to which is secured a unitary sleeve having cutting lands for cutting and creasing sheet material such as paper and cardboard. The sleeve is secured to the cylinder to prevent relative movement during the cutting process.... | 08/18/1992 |
| 5003854 | Device for fastening a die on a tool carrier cylinder of a rotary machine A device for fastening a die, such as a semi-cylindrical element on a tool carrying cylinder, which includes each of the dies having parallel extending ribs provided either with oblique surface portions or an oblique surface, the carrier is provided with ... | 04/02/1991 |
| 4993865 | Flywheel mounting device for internal combustion engine Disclosed is a flywheel mounting device for an internal combustion engine in which a keyway extends along the tapered surface of a flywheel in the axial direction from the small diameter end portion thereof and terminates at an intermediate portion thereo... | 02/19/1991 |
| 4836708 | Self-locking, anti-rotational retaining washer for a "D" shaped shaft A retaining washer (100) prevents the rotation of a D-shaped shaft (106) which is mounted in a round hole (105a) of a housing (105). The retaining washer includes a substantially flat washer (101) having a hole (101a). A tapered tab (102) includes a wide ... | 06/06/1989 |
| 4824303 | Locking wedge apparatus for printed circuit board A locking wedge apparatus for fastening a printed circuit board within an elongated slot in a rack. The apparatus includes an elongated center wedge having sloped surfaces at its opposite ends and two end wedges abutting against the center wedge's opposit... | 04/25/1989 |
| 4791826 | Gearshift knob joining arrangement An arrangement for readily joining a plastic handgrip knob to a metal gearshift rod in a positive non-slip manner. The handgrip includes a plastic core member molded with an axial blind bore defining a linear key therein extending a predetermined axial di... | 12/20/1988 |
| 4653307 | Bending tool A bending tool for a bending press comprising an upper die member detachably secured to a vertically reciprocable ram for bending a flat metal workpiece to a predetermined depth in a lower female bending die. The bottom surface of the female bending die c... | 03/31/1987 |
| 4630994 | Apparatus for axially and circumferentially locking stationary casing components of turbomachines A device for axially and circumferentially locking two stationary components of a turbomachine, each of which is at least part of a ring and wherein the components are concentrically engaged along opposed surfaces. The device comprises a locking member in... | 12/23/1986 |
| 4618116 | Quick latch mounting bracket A quick latch mounting device for securing a standoff device to a standoff bracket used in electrical power distribution systems. The mounting device includes a mounting member attachable to the standoff device and movable in a horizontal plane between a ... | 10/21/1986 |
| 4586310 | Angled assembly of profiles for tongue and groove fitting and key locking Device for assembly of profiles by a groove, tongue fitting, with locking by key, which avoids the risks of tongue and key sliding along groove. The device consists of making one of the male elements, tongue or key, longer than the other, in the direction... | 05/06/1986 |
| 4579477 | Pin-key assembly A tapered pin-key for securing a part and a shaft where the part has a cylindrical bore for receiving the shaft and a keyway tangentially intersecting the bore, and the shaft has a tangential groove shallower than the depth of the intersection of the keyw... | 04/01/1986 |
| 4561158 | Method for manufacturing a throttle-controlled induction passage assembly A throttle controlled induction passage assembly is shown as having a body with an induction passage formed through the body and a throttle shaft extending transversely of the induction passage and carried by the body, the throttle shaft having an axis of... | 12/31/1985 |
| 4551872 | Orthopedic traction frame An orthopedic traction frame for an adjustable hospital bed having relatively movable head and foot portions to adjustably position the mattress of the bed, the frame comprising of a pair of upright elongate support members for attachment to the headboard... | 11/12/1985 |
| 4525095 | Driving and aligning coupling A coupling for positively engaging solid and hollow driving and driven shafts, and for achieving shaft concentricity. Inclined and straight registering surfaces in the two shafts are coupled with keys having mating surfaces, with the keys being independen... | 06/25/1985 |
| 4512681 | Taper bush The present specification discloses a tapered, longitudinally-split contractible taper bush for securing pulleys, sprockets, coupling flanges or other machine elements onto cylindrical shafts and utilizing a plurality of screws or bolts parallel with the ... | 04/23/1985 |
| 4504249 | H-Key adjustable pulley An adjustable pulley construction including a first disc having a belt-engaging surface and a centrally located, internally threaded annular hub, the hub having an exterior flat face and an interior recess; and a second disc having a belt-engaging surface... | 03/12/1985 |
| 4478254 | Device for actuating shedding motion searching and slow speed operation on a loom The invention relates to the textile industry and more particularly to looms. The device comprises a motor-reducing gear unit which can drive the dobby mechanism selectively, through a clutch, this mechanism being normally driven, from the main shaft of t... | 10/23/1984 |
| 4464076 | Expansion dowel assembly An expansion dowel assembly is formed of an axially extending dowel body and an expansion member. The dowel body has a support surface inclined relative to the axis of the dowel body along which the expansion member can be displaced for anchoring the dowe... | 08/07/1984 |
| 4433496 | Locking device for excavating equipment A locking device for securing a straddle-type adapter to the lip of an excavator wherein the C-clamp and wedge have cooperating arcuate surfaces and are bolted together whereby tightening the bolt moves the wedge on the arcuate surface of the C-clamp to t... | 02/28/1984 |
| 4411550 | Torque transmitting coupling In a torque transmitting coupling between a cylindrical shaft and a female member having a bore to receive the shaft, the shaft has a secant face and the female member has a connecting bolt bore which intersects the shaft bore and faces the secant face of... | 10/25/1983 |
