"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 7207760 | Washer and fastener provided with a washer A washer has a body having an axis and provided with a first face surface located at one axial side and adapted to cooperate with a nut, a second face surface located at an opposite axial side and adapted to cooperate with an object to be assembled or disassembled, ... | 04/24/2007 |
| 6994496 | Roof bolts for use in mines, a method for their production and a method for their installation The invention comprises a roof bolt and nut in screw threaded engagement, said bolt comprising a shaft for insertion in a hole drilled in a mine roof and a threaded portion engaged by the nut whereby the bolt may be rotated. The nut is offset with respect to the lon... | 02/07/2006 |
| 6939046 | Hydrodynamic bearing, spindle motor and hard disk drive A hydrodynamic bearing having a shaft, which is fixedly connected at one end to a rotating component, and a bearing sleeve, which encompasses the shaft at its other free end with a slight clearance. The sleeve and the shaft form a concentric bearing gap. The shaft a... | 09/06/2005 |
| 6939076 | Oil-less rivet system for a reclining chair mechanism An improved rivet system is disclosed. A wall proximity reclining/tilt chair includes the improved rivet system which eliminates the need for oil lubrication and additional bushings. The rivet system is such that installation is simplified and manufacturing inconsis... | 09/06/2005 |
| 6883401 | Power tool for fastening objects A power tool for fastening objects has a housing with a non-rotatable element, a power drive in the housing and provided with a rotatable driving element, and a fastener part including a bolt having a thread and an axis and introducable into parts forming an object,... | 04/26/2005 |
| 6789992 | Washer having oil-bearing holes A washer in accordance with the present invention comprises an axial hole and a plurality of oil-bearing portions. The oil-bearing portions are located on an inner surface opposite to an outer surface and surround the axial hole. ... | 09/14/2004 |
| 6729819 | Bolt lubricating device and method A friction reducing device comprises a stretchable thin film of elastomeric material impregnated or dusted with lubricating material. The thin film adheres to an annular member through which a fastener element having external threads can pass. ... | 05/04/2004 |
| 6435791 | Wheel fastener assemblies A fastener assembly includes (a) a fastening member that includes an out-of-round portion centered about a longitudinal axis and configured for engagement with a torque-transmitting tool, a frustoconical load-bearing surface that extends radially outwardl... | 08/20/2002 |
| 6224288 | Corrugated slider washer bearing A slider washer bearing in a bolted interface assembly allows relative differential thermal expansion and contraction motion between a component plate fastened to a base plate by a bolt, without inducing large strains and stresses upon the plates or the b... | 05/01/2001 |
| 6210067 | Clip flexure slider washer bearing A clip flexure slider washer bearing in a bolted interface assembly allows differential thermal expansion and contraction between a component mounting plate or flange fastened to a base plate by a bolt. The bearing functions as a thin lubricated spacer be... | 04/03/2001 |
| 6036422 | Roller washer bearing and method A linear roller washer bearing in a bolt interface assembly allows relative differential thermal expansion and contraction motion between a component plate and a base plate fastened together by a bolt without inducing large strains and stresses upon the b... | 03/14/2000 |
| 6022178 | Flexure washer bearing and method A linear flexure washer bearing in a bolt interface assembly allows relative differential thermal expansion and contraction motion between a component plate and a base plate fastened together by a bolt without inducing large strains and stresses upon the ... | 02/08/2000 |
| 6007286 | Driving screw and a method for forming lubricating film thereon A feed screw including a screw shaft, a nut meshed with the screw shaft and a plurality of rolling members inserted between the screw shaft and the nut, wherein a solid film of a fluorine-containing polyurethane polymer is formed on any portions in rollin... | 12/28/1999 |
| 5899648 | Ball screw clamping device This invention has as its purpose the provision of a clamp screw in which the loss of clamping force is greatly reduced, a powerful clamping force can be obtained with a small rotational input, a sufficient clamping force can be obtained by a manual opera... | 05/04/1999 |
| 5667347 | Fastener An improved fastener assembly is disclosed comprising a threaded fastener combined with two disc shaped washer components wherein one disc component is resilient and mounted to relatively rotate with respect to the threaded fastener and other disc compone... | 09/16/1997 |
| 5624343 | Pinion mate thrustwasher A differential gear assembly comprising a rotatable case, a spider having at least one shaft mounted on the case for rotation therewith, a pinion gear rotatably mounted on the shaft and a thrustwasher non-rotatably mounted on the shaft and disposed betwee... | 04/29/1997 |
| 5564875 | Locking fastener A locking fastener (10) comprises a nut (12) having a threaded portion (14) formed about a central axis (16) of the fastener. A head portion (18) of the nut is formed integral to the threaded portion (14), for gripping the fastener during tightening or lo... | 10/15/1996 |
| 5533852 | Fastener bearing assembly A fastener bearing assembly for reducing the turning friction between a head of a fastener and an object to be fastened, for example, a vehicle wheel. The assembly comprises a first part having a first pressure transmitting surface and a second part havin... | 07/09/1996 |
| 5232311 | Roof control system A roof control system for underground strata has an elongated bolt adapted for insertion into a hole bored into the underground strata. The bolt is securely anchored in the hole at a location where a significant length of the bolt remains between the open... | 08/03/1993 |
| 5222835 | Resin-mixing article for mine roof anchor An article for assisting in the mixing of components of a resin grouting material within a drill hole in a rock formation to form a hardenable mass anchoring the threaded, distal end of an elongated bolt in the hole. The article includes an annular base p... | 06/29/1993 |
| 4984938 | Coated washer for an anchor bolt system The anchor bolt assembly is of the tensionable type used in mine roofs and the like in which the anchor bolt assembly is positioned in a bore hole of a rock formation. The bolt assembly includes an elongated bolt shaft with a head at one end and is thread... | 01/15/1991 |
| 4746248 | Anchor bolt assembly An achor bolt assembly for securing a bolt in a bore hole is provided with supporting members for applying pressure against an area surrounding the mouth of the bore hole wherein contacting surfaces of the supporting members are provided with a coating of... | 05/24/1988 |
| 4619559 | Rock bolting A rock bolt assembly incorporating a friction reducing washer of plastics material between the nut and the plate washer to give an increased tension in the bolt for a given torque.... | 10/28/1986 |
| 4433578 | Wheel clamping nut with freely rotating insert A wing nut with a threaded axial passage is adapted to engage the threads on the horizontal balancing shaft of a wheel balancer having an abutment thereon. A wheel to be balanced is placed on the shaft and is arranged to be held in tight engagement with t... | 02/28/1984 |
| 4362449 | Fastener assemblies Fastener assemblies for mounting a workpiece such as a hub centered wheel rim include a threaded fastener and a clamp washer. The fastener includes a body having a thread structure and a structure engageable by a tool for tightening of a threaded joint to... | 12/07/1982 |