Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7253374 | Sheet-to-tube welded structure and method Method of welding a metal sheet and metal tubing as well as a welded sheet-to-tube welded structure wherein the tube-to-sheet gage ratio may be reduced to permit use of metal tubing having a reduced wall thickness. One or more intermediate metal bridging members is/... | 08/07/2007 |
| 7247809 | Welding machine for the production of wire grid sheet A welding machine, operating by the electric resistance welding method, for producing wire grid mat of longitudinal and transverse wires (L, Q) crossing one another and welded together at the crossing points, having a plurality of welding units (1, 1′), loc... | 07/24/2007 |
| 7091440 | Spot welding assembly A welding assembly including a welding gun for providing spaced welds on opposite sides of members being welded. The welding gun includes two welding tips so that both welds can be formed without moving the gun or the members relative to each other. Preferably one w... | 08/15/2006 |
| 6822195 | Automated weld location system for vehicles An automatically weld locating system locates welds on a subassembly including first and second components. First and second finite element analysis models of the first and second components are retrieved. Edges of the first component are located. An outline of the ... | 11/23/2004 |
| 6768078 | Servo spot welding control system and method of welding workpieces A servo spot welding control system and method to efficiently weld a pair of workpieces together. The system includes a robot movable about the workpieces, a weld gun, servomotors, a transformer, and a controller. The weld gun is mounted on the robot and includes at... | 07/27/2004 |
| 6621036 | Programmable pogo welding apparatus and method A pogo welding apparatus especially for spot welding metal sheets at selected locations spaced away from their edges wherein the sheets are held in a temporary assembly with the selected locations engaged and separate programmable positioners move a prima... | 09/16/2003 |
| 6512194 | Multi-arm weld gun A multiple arm weld includes at least two weld gun arms where one arm retracts away from mating work pieces while at least one other arm remains operational, thus allowing a multiple arm weld gun to act as a single arm weld gun. Once one or more weld gun ... | 01/28/2003 |
| 6429397 | Programmable pogo welding apparatus and method A pogo welding apparatus especially for spot welding metal sheets at selected locations spaced away from their edges wherein the sheets are held in a temporary assembly with the selected locations engaged and separate programmable positioners move a prima... | 08/06/2002 |
| 6373020 | Welding apparatus A welding apparatus provided with lower electrode portions, upper electrode portions, and a cooling water circulation duct which circulates and supplies cooling water to welding electrode pressurizing cylinder guns on the upper electrode portions. A check... | 04/16/2002 |
| 6329626 | Welding apparatus A welding apparatus provided with a base frame having a power source portion, an electrode die portion having a lower base portion and an upper base portion at least one of which is driven to ascend and descend to close to and part from each other, plural... | 12/11/2001 |
| 6271496 | Modular welding machine A spot welding machine is disclosed with interchangeable tooling modules for use in a base operating machine. Push/pull welding current contactors connect the tooling module to a transformer on the base operating machine when the module is installed. The ... | 08/07/2001 |
| 6164661 | Cylinder head gasket A cylinder head gasket 1 includes a shim ring 5 which surrounds a combustion chamber opening 2A in a gasket body 2. The shim ring is circumferentially spot welded along weld lines 5a, 5b. The weld spacing of the spot welding is varied to provide zones H | 12/26/2000 |
| 6087612 | Process for marking industrial products or parts In a process for marking industrial products or parts, a plurality of spot welds serve as carriers of characterizing information, especially in encoded information. Information is encoded in said spot welds by varying the position of each weld relative to... | 07/11/2000 |
| 5990442 | Welding gun A welding gun includes an actuator and welding tips. The actuator includes a stator coupled to a welding robot and a rotor rotatable relative to the stator about an axis of the actuator. The stator includes an axially extending portion and at least one ci... | 11/23/1999 |
| 5880424 | Spot welding head A spot welding head comprises a spot electrode 6, a spot electrode supporter 3 holding the electrode 6 on its tip, a base member 2 holding the supporter 3 in such a manner that the supporter 3 can swing on a first pin 4, a frame 1 holding the base member ... | 03/09/1999 |
| 5755447 | Metal gasket with shim The invention is directed to a metal gasket for sealing a clearance between a pair of clamping members. The metal gasket is formed of a metallic base plate on which at least one opening is defined. An annular metallic shim is welded on the base plate arou... | 05/26/1998 |
| 5753884 | Aesthetic orthodontic band and attachment assembly An orthodontic assembly that includes a band and an attachment has one or more spot welds to secure the band to the attachment. The spot welds are characterized by the lack of any outer surface weld deformation that is circular in shape, or that is visibl... | 05/19/1998 |
| 5593604 | Method of resistance welding thin elements A battery pack (30) is assembled with a flexible circuit board (38), a first tab (40), and a second tab (42). The flexible circuit board (38) has an exposed area of isolated conductor (46) which is located directly under the intersection of the first tab ... | 01/14/1997 |
| 5428202 | Methods and apparatus for fusing electrical conductors Methods and apparatus for fusing together electrical conductors to a commutator are provided. A precise, timed, and controlled delivery of electric current to the fusing electrode of the fusing machine is achieved. A generic supply signal is converted int... | 06/27/1995 |
| 5313040 | Multi-unit welding apparatus A multi-unit welding apparatus has a row of electric welding units all of which are connected in parallel with a single welding transformer through an electric conductor assembly. The electric conduction assembly includes a single strip of electric conduc... | 05/17/1994 |
| 5300753 | Methods and apparatus for fusing electrical conductors Methods and apparatus for fusing together electrical conductors to a commutator are provided. A precise, timed, and controlled delivery of electric current to the fusing electrode of the fusing machine is achieved. A generic supply signal is converted int... | 04/05/1994 |
| 5298712 | Welding system for a battery pack A welding system for a battery pack utilizing three-phase 400 Hz power at low voltage over a short time period. In utilizing these parameters, there is minimal or no migration of materials between a welding area, welding electrodes, a metal member and a b... | 03/29/1994 |
| 5285043 | Self-adjusting spot welding electrode holder A multiple-electrode spot welding apparatus has the inner ends of the electrode shanks disposed in a bed of small ball bearings in such a manner that when the electrode tips contact a workpiece, any uneven pressure applied by one of the electrodes moves t... | 02/08/1994 |
| 5174489 | Electrically-driven cam-actuated tool clamp A mechanical clamping device adapted to engage and secure the upper tooling of a welding knee. The clamping device is motor driven such that several clamping devices can be simultaneously and synchronously operated to engage, align and secure the upper to... | 12/29/1992 |
| 5111019 | Variable-pitch spot welding gun assembly for a welding robot A variable pitch spot welding gun assembly for a welding robot has a fixed base (16) directly attached to the robot wrist (12) of an industrial welding robot, welding transformers (24, 26) fixed to the fixed base (16), a fixed spot welding gun (22) provid... | 05/05/1992 |
| 5063279 | Methods and apparatus for fusing armature and stator wires Methods and apparatus for fusing armature wires to a commutator, and fusing stator lead wires and stator hooks, are provided. An electrode assembly having a screw mechanism converts the rotational motion of a motor into a translational motion of the fusin... | 11/05/1991 |
| 5013879 | Mechanism for feeding transverse reinforcement rod to a welding machine A welding machine comprising a pair of tongs consisting of two electrodes (4',4", and adapted to spot-weld a longitudinal reinforcement rod (1) to a transversal reinforcement cross pin (2), while forming a mesh, at least one type of cross pin (2") having ... | 05/07/1991 |
| 4985611 | Welding equipment A welding equipment which has an upper frame which moves relative to a fixed lower frame. The movable upper frame has a plurality of upper mounting blocks and a plurality of upper electrode rods respectively mounted on the plurality of upper mounting bloc... | 01/15/1991 |
| 4940874 | Convertible single or double spot welding machine A convertible single or double spot welding machine operating by the electrical resistance method for producing grids or bar grates by single spot welding or double spot welding, has a transverse row of electrodes and at least one welding transformer on o... | 07/10/1990 |
| 4899029 | Electrical connector high-speed welding apparatus A high-speed welding apparatus comprises a frame F along which a first conveying mechanism (20) moves a carrier member (11) having mounted thereon a holder (14) holding a connector (100) and a cable (103) to a welding station (30). A feed mechanism (30A) ... | 02/06/1990 |
| 4889967 | Plural welding rod welding apparatus Each electrode rod unit is composed by inserting into a cylindrical block an electrode rod which is linked to the cylindrical block through a conductive cable. The electrode rod unit is removable fastened onto an electrode plate and pipings for both cooli... | 12/26/1989 |
| 4886953 | Electrode wire for a roller seam welding machine What is described is an electrode wire (20) which, in contrast to conventional electrode wire (10), is provided with flanges (30,31) formed on it to support it on the circumference of a roller electrode (12) at both sides of a guide groove (22,22'). The e... | 12/12/1989 |
| 4761533 | Spot welding device A spot welding device for welding car bodies at a plurality of different positions without the need to move the car body to the welding device for each weld position. The device comprises a polyhedron shaped rotating member having a plurality of electrode... | 08/02/1988 |
| 4755652 | Method and apparatus for welding thin metal sheets There is described a method for welding thin metal sheets (A, B) by the localized heating of limited juxtaposed zones of the metal sheets to be welded to cause their fusion and to form spot welds (S). In each weld zone, the metal sheets (A, B) are heated ... | 07/05/1988 |
| 4748309 | Multi-spot resistance-welding machine A multi-spot resistance-welding machine for manufacturing welded grids consisting of a group of longitudinal wires and crosswires crossing the longitudinal wires at right-angles, to enable grids to be manufactured in which the length of at least some of t... | 05/31/1988 |
| 4733452 | Production of jackets for flexible magnetic disks, and apparatus for this purpose The jacket blanks punched out from a film web are folded to give jackets and then closed by spot welding with the aid of a wavy resistance belt, the welding temperature being produced for a short time by means of a current pulse in the resistance belt.... | 03/29/1988 |
| 4724294 | Programmable welder The specification discloses a programmable resistance welder including a work table, a gun assembly, a gun transport mechanism, a weld control, and a master control. The gun assembly and transport mechanism are located entirely above the table. The contro... | 02/09/1988 |
| 4703158 | High frequency welding system A high frequency resistance welding system having a pair of jaws which are pivotally mounted together and are adapted to clampingly engage the work to be welded therebetween. Each jaw has two arms and each arm has a welding tip which engages the work. The... | 10/27/1987 |
| 4701013 | Optical source with optical fiber carrier An optical source comprises a base on which a light-emitting component is mounted. A fiber-carrier in the form of a slab is fastened to the base. An optical fiber mounted on the fiber-carrier has an end optically coupled to the light-emitting component. A... | 10/20/1987 |
| 4673786 | Electrical resistance grid welding machine An electrical resistance grid welding machine for welding a family of wires as it passes through the machine along a feedpath into a strip of welded mesh which has a row of electrodes and a row of counterelectrodes arranged above and below the family of w... | 06/16/1987 |
