Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7371180 | Double pivoting tilt joint The invention provides a double pivot tilt joint for connecting two shafts for synchronous rotation and for tilting movement relative to one another. The double pivot tilt joint includes a first shaft member and a first pivot pin extending at least partially through... | 05/13/2008 |
| 7367740 | Mechanically lockable universal joint and structures employing such joint An adjustable support stand for an article such as a camera employs a plurality of elongated links connected to one another at their ends by lockable universal joints. Each joint consists of a pair of complementary knuckles, each joined to a link end by a splined co... | 05/06/2008 |
| 7328776 | Brake device for a strap-reel frame A brake device for a strap-reel frame is installed on the frame body of the strap-reel frame for braking the inner and the outer disc pivotally fitted on the horizontal shaft of the frame body. The brake device includes a swinging rod having one end pivotally connec... | 02/12/2008 |
| 7309186 | Pin cartridge for a pin joint A frame for a work machine includes first and second wall portions having an axially aligned bore positioned therein. A boom is positioned between the first and second wall portions and has a bore that is alignable with the bores in the first and second wall portion... | 12/18/2007 |
| 7287928 | Swing structure for a wheel set A swing structure for a wheel set includes a central tube, an axial tube, a spacer, a sleeve, and a fastener. The central tube is provided with a ring plate at the rear end. The ring plate is formed with a through hole thereon. A connection cylinder is disposed at t... | 10/30/2007 |
| 7278183 | Pivot hinge assembly A pivot hinge assembly for mounting a cabinet to a frame. The assembly includes a first hinge pin bushing adapted to mount to the cabinet and a second hinge pin bushing adapted to mount to the frame. The hinge pin bushings each have a hole formed through it for rece... | 10/09/2007 |
| 7223042 | Supporting profile The invention relates to a supporting profile for structures used at fairs and exhibitions which is provided, on the exterior thereof, with longitudinally extending grooves for connecting additional supporting profiles, and which, in a core area, comprises a receivi... | 05/29/2007 |
| 7174600 | Wiping system with wiping device and squeezing out device The invention relates to a wiping device, a squeezing out device and a container device enabling a textile wiping element located on a wiping panel of the wiping device to be squeezed out simply and reliably. The wiping panel is provided with edge fixing sections wh... | 02/13/2007 |
| 7153329 | Prosthetic hip joint with side pivot A prosthetic hip for supporting on a patient a prosthetic leg comprises a socket, a mount on the outer surface of the socket and defining a joint axis, the joint axis substantially coinciding with the natural axis of rotation of the patient's natural leg when rotate... | 12/26/2006 |
| 7150578 | Appliance mounting bracket A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality ... | 12/19/2006 |
| 6997634 | Folding joint arrangement for foldable furniture A folding joint arrangement, which is adapted for incorporating with a foldable furniture constructed by a plurality of first and second frame tubes, includes an angle joint body, a pivot arm integrally extended from the angle joint body to define a first axis, wher... | 02/14/2006 |
| 6859985 | Blade attaching structure of wiper unit A blade attaching structure including a connecting shaft on a blade side detachably supported on an attaching groove formed on a wiper arm, wherein secure fixation becomes possible while attaching and detaching operations are simplified. An attaching groove formed o... | 03/01/2005 |
| 6848459 | Umbrella canopy orientating device An umbrella canopy orientating drive is applied to a large-sized umbrella. The umbrella has a central rod comprised of an upper section to which a canopy is attached and a lower section positionable on a fixed surface. The umbrella canopy orientating device includes... | 02/01/2005 |
| 6814522 | Pivot assembly A pivot assembly particularly adapted for pivotally interconnecting a pair of relatively thin parallel walls spaced an appreciable distance from one another. A stud with a pivot joint on one end is interposed between the walls. ... | 11/09/2004 |
| 6785931 | Spacer for windshield wiper Disclosed is a spacer of a windshield wiper for a vehicle including an upper panel, a pair of side panels extending downwardly from opposite lateral ends of the upper panel while defining a receiving space therebetween, the side panels being centrally formed with th... | 09/07/2004 |
| 6764244 | Pin stop for mechanical joints A compact and efficient stop for establishing the position of maximum extension in a mechanical joint, which comprises a free-floating piston, a piston-retaining pin, and a resilient bumper positioned to engage one end of the piston. The piston, retaining pin, and b... | 07/20/2004 |
| 6758624 | Coupling device incorporating a security feature Presented is a trailer incorporating a device that allows the detachable coupling of the ball coupler and safety chains of a trailer for remote storage of these items, while incorporating a security feature that allows only the original ball coupler and safety chain... | 07/06/2004 |
| 6711783 | Anti-pinch knuckle for bidirectional sleeve An articulating strut capable of assuming an extended in-line and a folded configuration with rigid cylindrical tubing having proximate ends configured to fixably receive an offset hinged insert that provides for folding and unfolding of said strut. When fully unfol... | 03/30/2004 |
| 6675435 | Windshield wiper for motor vehicles A windshield wiper for motor vehicles, having a support bracket (1) for connection to a wiper arm secured to a motor vehicle, wherein the support bracket (1) has an essentially U-shaped cross section and at least one support bracket detent recess (7); at ... | 01/13/2004 |
| 6550138 | Piston pin assembly A method for reducing the incidence of piston pin failure by providing a retainer assembly for piston pin plugs such that the plugs cannot be removed or shaken lose during operation. A plastic rod is inserted into the piston pin, and the rod is ultrasonic... | 04/22/2003 |
| 6514002 | Rotary pin A grease hold extends in an axial direction from one end of a rotary pin to an eccentric portion, and a pair of grease injection holes communicating to the grease hole is open on the outer circumferential surface of the eccentric portion. These grease inj... | 02/04/2003 |
| 6447358 | Toy building set A toy building set comprising a plurality of building elements which each are provided with hinge parts, a first type of hinge parts comprising a substantially cylindrical rod-shaped shaft part of a building element, a second type of hinge parts comprisin... | 09/10/2002 |
| 6431193 | Collapsible shelter with flexible, collapsible canopy The collapsible shelter includes a truss and canopy framework that provides a flexible, collapsible canopy that is capable of flexing and moving, in whole or in part, between a raised position and lower positions having a reduced profile from the raised p... | 08/13/2002 |
| 6397433 | Knuckle assembly A knuckle assembly includes two mirror-symmetric knuckle ends that are separately connected to two adjacent ends of two long members so that the two long members may be angularly connected together in a bent or an extended position as desired. The two knu... | 06/04/2002 |
| 6393654 | Articulation system between windscreen wiper components An articulation system between windscreen wiper components provides the perfect adjustment between the windscreen wiper and the vehicle windscreen. The system includes the union of a big arc (1) and a small arc (4), which are isolated by a plastic joint (... | 05/28/2002 |
| 6353969 | Detent latching, bi-directional strut with offset hinged inserts An articulating strut capable of assuming an extended in-line and a folded configuration with rigid cylindrical tubing having proximate ends configured to fixably receive an offset hinged insert that provides for folding and unfolding of said strut. When ... | 03/12/2002 |
| 6340263 | Fastening of a tube plate A fastening of a tube mounting (10) for a wiper system on a vehicle body has at least one fastening bore (58), extending transversely through a mounting tube (12), into which bore a rubber-elastic coupling element (42) with a hole (56) for a screw is inse... | 01/22/2002 |
| 6338588 | Stabilization coupling adapted to both sides of a rotatable clamp block A rotatable clamp block mechanism includes a chassis having a first curved surface, and a rotatable clamp block having a second curved surface that slidably engages the first curved surface to permit the rotatable clamp block to rotate around an axis rela... | 01/15/2002 |
| 6293724 | Adjustable mount for vehicular ball joints An adjustable ball joint assembly to be secured between the wheel and the apex of an upper control arm member of a motor vehicle suspension system to provide for camber/caster adjustment of motor vehicles with altered suspensions, typically lowered suspen... | 09/25/2001 |
| 6273632 | Joint pin lock mechanism for pivotal pin joint A joint pin lock system or mechanism for a pivotal pin joint which connects one mechanical structural member between a pair of bracket portions of another mechanical structural member pivotally relative to each other by means of a joint pin passed through... | 08/14/2001 |
| 6138533 | Wrench and extension bar A wrench apparatus includes a wrench head with a swivel adapter, a combination handle and extension bar attachable to the swivel adapter, and a ratchet head. The wrench head includes a tubular member with a longitudinal slot, and an internal C-shaped brac... | 10/31/2000 |
| 5987709 | Re-attachable safety connector A re-attachable safety connector may be a single unit or may have a number of components working together as one unit. In the embodiments that have multiple components, connection of the components together may be accomplished by use of a series of pins i... | 11/23/1999 |
| 5971651 | Coupler for joining movable members A coupler that provides a selectively releasable connection between first and second relatively movable members. Such a coupler has a receiver that is secured to the first relatively movable member. The receiver is bifurcated to present a gudgeon having l... | 10/26/1999 |
| 5951192 | Quick connect system for excavator buckets A quick connect system for attaching excavator buckets and other tools to the arm of a hydraulic excavator. The excavator bucket has a first and second mounting plate connected thereto in a spaced parallel relationship. Each mounting plate has a front and... | 09/14/1999 |
| 5895167 | Foldable rod assembly A foldable rod assembly includes first and second rods of predetermined dimensions and having connecting ends with pivot holes, and a coupler unit for coupling pivotally the connecting ends. The coupler unit includes two elongate plates respectively havin... | 04/20/1999 |
| 5775829 | End joiner for continuous belts for conveyors The invention comprises an end joiner for continuous belts for conveyors comprising a hinge of a plastic material joined to a supporting fabric fused into the continuous belt by vulcanizing. The hinge is formed by two equal hinge halves, each made up of m... | 07/07/1998 |
| 5683139 | Chair seat tilt adjustment and locking mechanism A chair tilt control mechanism for a pedestal base chair having a chair control housing mounted on the pedestal chair base and pivotally supporting a chair seat support member. A laterally movable front stop member retained within the chair control housin... | 11/04/1997 |
| 5634857 | Golf club having angularly adjustable shaft The proximal and distal parts of a golf club shaft that has been cut into two parts are pivotally interconnected to one another and are releasably lockable into any one of a plurality of different positions of angular adjustment by a device having a proxi... | 06/03/1997 |
| 5632059 | Windshield wiper frame connector which accommodates different size wiper arms A windshield wiper frame connector for use in a windshield wiper assembly for motor vehicles which accommodates different size wiper arms, wherein the wiper frame connector includes a pair of slots, three pair of raised portions and a pair of stoppers on ... | 05/27/1997 |
| 5619886 | Operable angle adjusting structure for wiper An operable angle adjusting structure for a wiper produces a maximally wide wiping angle is realized within the range where wiper arms will not interfere with window pillars and each other and will not require a precision machining apparatus. A drive link... | 04/15/1997 |
