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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7363843 | Securing device for securing blade of cutting tools A securing device for securing a blade of a cutting tool includes a clamp assembly, a bolt, a resistant slice and a driving member. The clamp assembly has two clamp members between which the blade is clamped. The bolt extends into the clamp assembly and is screwed i... | 04/29/2008 |
| 7340974 | Spindle gear for an adjusting device in a motor vehicle seat A spindle gear for a motor vehicle seat adjusting device having a housing, a spindle nut, a spindle and a worm wheel. The spindle nut may have an external bearing surface and a bearing shell may include an internal bearing surface cooperating with the external beari... | 03/11/2008 |
| 7326017 | Fastening element, washer and fastening means therefrom The present invention relates to a fastening means (10; 110) consisting of a fastening element (11; 111) and a washer (20; 120), the washer (20; 120) being held on the fastening element (11; 111) in a rotatable and captive manner. ... | 02/05/2008 |
| 7292310 | Lithographic apparatus and a device manufacturing method A lithographic apparatus and device manufacturing method are disclosed. The apparatus includes an illumination system for conditioning a beam of radiation, and a support structure for supporting a patterning device. The patterning device serves to impart the beam of... | 11/06/2007 |
| 7284939 | Fastener with tightening structure A tightening structure for locking, comprises a nut, a bolt, and a washer with a hole through which an axis of the bolt passes. To enable the structure to lock more firmly, a recessed part symmetrical with respect to an axis, and having a generally trapezoidal shape... | 10/23/2007 |
| 7284933 | Square embossed roof and rib plate Disclosed is a mine roof and rib support system generally including a square bearing plate. A through hole is positioned near a center portion of the square bearing plate. A peripheral section at least partially circumscribes the bearing plate. In between the throug... | 10/23/2007 |
| 7261506 | Washer and threaded fastener assembly incorporating same A washer for a threaded fastener assembly and a threaded fastener assembly incorporating such a washer. The washer includes a body having a central axis including two opposed sides an outer periphery and an inner periphery defining a central aperture extending betwe... | 08/28/2007 |
| 7226259 | Locking fastener assembly A locking fastener assembly comprising a nut and a washer. The nut and washer each have opposed load bearing surfaces which include a series of annularly extending, slightly inclined faces forming shallow undulations around each surface. The load bearing surface on ... | 06/05/2007 |
| 7210368 | Ultrasonic welded plastic retainer to secure yoke plug adjustment The toothed rack steering gear has an adjusting nut and a housing. An opening with internal thread of the housing is adapted to the adjusting nut and receives the adjusting nut in the assembled state. In the housing at least one recess is provided in direct proximit... | 05/01/2007 |
| 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 |
| 7207288 | Fixing assemblies and methods Disclosed is an assembly for assisting in the attachment of an appliance such as a winch to a surface (e.g. deck) of a watercraft such as a sailing boat. Fixing screws are retained in apertures in the winch by retaining means such as lock washers. The assembly of th... | 04/24/2007 |
| 7198445 | Washer with crush zone A conical washer having a crush zone wherein the inner annular projection comprises a top and bottom elevation where the top elevation lies at an approximately 100 to 165 degree angle to the inner annular wall of the washer and the bottom elevation is substantially ... | 04/03/2007 |
| 7192232 | Self-locking fastening device A self-locking fastening device which includes a screw or nut for fastening at least one first part to a second part and a shim (10) which is provided with a central borehole (11). The two surfaces of the shim (10) include rib profiles (12,14... | 03/20/2007 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 7173685 | Lithographic apparatus, a device manufacturing method, and a fastener for use in a lithographic apparatus A lithographic apparatus is disclosed. The apparatus includes an illumination system for conditioning a beam of radiation, and a support structure for supporting a patterning device. The patterning device serves to impart the beam of radiation with a pattern in its ... | 02/06/2007 |
| 7168902 | Wedge cam lock washer for threaded fasteners A locking device for a threaded fastener comprises a pair of washers each having a plurality of wedge cam sets that include a base-cam and a raised tooth-cam. When the washers are mated together in use, the wedge cam sets of each washer are placed into confronting e... | 01/30/2007 |
| 7096845 | Captured nut using a stamped retention feature A bracket and nut assembly including a bracket having a first end and second end. The first end includes a first substantially planar portion spaced apart from and positioned substantially parallel to a second substantially planar portion. A third portion interconne... | 08/29/2006 |
| 7097402 | Lock nut A lock nut comprising a solid nut body having a flange, from which a neck projection extends axially, being provided at its end surface with an annular shroud, from which at least two claws extend radially. ... | 08/29/2006 |
| 7070461 | Electrical terminal having a terminal body with one or more integral projections An electrical terminal for connecting a conductor to a component includes a terminal body that is configured to be electrically connected to the conductor. The terminal body includes a first portion and at least one projection extending from the first portion. The t... | 07/04/2006 |
| 7056074 | Connecting element and joint A connecting element is adapted to be placed between two pieces of wood to be joined and includes a body with two opposite main surfaces and with an engaging device which protrude from each main surface. In addition, a joint comprises a connecting device which is ad... | 06/06/2006 |
| 7044688 | Roof bolts for use in mines, a method for their production and method for their installation A roof bolt comprises a shaft for insertion in a hole drilled in a mine roof and a head whereby the bolt may be rotated, the head being offset with respect to the longitudinal axis of the shaft so that when the bolt is rotated by means of its head the shaft is cause... | 05/16/2006 |
| 7037060 | Shrinkage compensator for building tiedowns An automatic, self-energized, length extending, take-up unit for general use in wall hold down systems. The take-up unit is generally installed as a separate element, independent of threaded retaining elements of a hold down system. One embodiment includes an intern... | 05/02/2006 |
| 7004702 | System for connecting elements A fastener system for connecting and releasing two elements. The system comprises a rod-shaped product with a male part and a female part, in which the male part is sized to be receivable in the female part. Either the male or female part is provided with a screw th... | 02/28/2006 |
| 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 |
| 6976816 | Combination lock washer and spindle bearing assembly The present invention relates to a connection between a spindle and a bearing assembly to retain the bearing assembly on the spindle. A combination lock washer and spindle bearing assembly is provided to include a spindle, thrust washer, lock washer and nut in which... | 12/20/2005 |
| 6971178 | Replaceable blade knife A utility knife includes a handle assembly comprising first and second handle portions pivotally movable between open and closed positions. A blade carriage within the assembly carries a blade. When the handle portions are in the open position the blade carriage is ... | 12/06/2005 |
| 6966735 | Screw mechanism In a screw locking assembly a pair of washers having inclined surfaces are interposed between a screw member on a tightening side and a member to be tightened, with the inclined surfaces being mutually contacted. These inclined surfaces circle around once in spiral ... | 11/22/2005 |
| 6952902 | Attachment plate An attachment plate for securing a roof membrane to a roof deck comprising a generally planar contact surface, at least one aperture for receiving a fastener for securing the plate to the deck with the membrane therebetween, a first reinforcing rib formed by a conti... | 10/11/2005 |
| 6935822 | Detachable fastener including a screw element and a securing ring A detachable fastener includes a screw element and a securing ring. The screw element and the securing ring each include cooperating wedge-shaped surface tooth arrangements and two different pairs of stop surfaces. The wedge-shaped surface tooth arrangements face on... | 08/30/2005 |
| 6931956 | Locking device with transmission gears A transmission between a gear (22) mounted freely to rotate about a shaft and a one-way drive-lock mechanism (26) for engaging in rotation the gear (22) and its shaft in a rotational direction, including a ring (52) integral in rotation w... | 08/23/2005 |
| 6860688 | Lockable nut system A lockable nut system for use with threaded steel bar which includes a screw threaded nut for engagement with the threaded steel bar and a locking member which is slidably engageable with the bar. The locking member is adapted to resist rotation about the bar and is... | 03/01/2005 |
| 6554552 | Wedge-locking fastener assembly with ring retainer for washer A combination nut and washer is retained in a preassembled position by an annular pilot that extends toward the central hole in the washer to permit the washer to be rotated 360° with respect to the nut. The lower end of the pilot has a groove. A split r... | 04/29/2003 |
| 6019556 | Locking fastener assembly A locking fastener assembly comprising a fastener having a shaft (12) and a head (14 or 114) and first threads (16) for placing the shaft (12) in tension to clamp a part (18). A threaded washer (20) has second threads (22) for disposition between the head... | 02/01/2000 |
| 5992405 | Tool mounting for a cutting tool A tool mounting block having a forward surface and a rearward surface and a cylindrical transverse aperture extending therethrough opening onto both the forward and rearward surfaces. The tool has a tapered forward cutting end, and axially aligned behind ... | 11/30/1999 |
| 5597278 | Locking fastener assembly for threaded joint A free spinning positively locking fastener assembly for threaded joints such as automotive or truck wheel assemblies includes a flanged nut with a retainer washer captured on the nut flange. The washer includes a tab received in a slot of a wheel spindle... | 01/28/1997 |
| 5474409 | Fastener assembly A locking fastener in which coacting ramp surfaces are provided on a nut and washer assembly to generate wedging forces in response to backing off movement of the nut which urge the nut into tighter engagement with the associated bolt and the workpiece an... | 12/12/1995 |
| 5314279 | Locking fastener A locking threaded fastener of the wedge-action type is disclosed with threaded and threadless nut members with wedge elements therebetween for wedging the nut members apart when the threaded nut member is turned in the loosening direction. In a two-piece... | 05/24/1994 |
| 5190423 | Locking fastener A locking threaded fastener of the wedge-action type is disclosed with threaded and threadless nut members with wedge elements therebetween for wedging the nut members apart when the threaded nut member is turned in the loosening direction. In a two-piece... | 03/02/1993 |
| 5102275 | Deck plate and assembly A planar stress plate-buttress thread fastener assembly in which the stress plate's annulus has teeth formed on the perimeter thereof and pointed in the direction of the installation rotation of the fastener. The teeth are deflected downward out of the pl... | 04/07/1992 |
| 5090855 | Locking fastener assembly A locking fastener assembly in which coacting cam surfaces are employed to generate wedging forces in response to backing off movement of the associated nut or washer at the conclusion of the normal tightening operation, thereby urging the nut into tighte... | 02/25/1992 |
