Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7374354 | Armature, wire dot printer head and wire dot printer In order to realize a weight saving and prevent a concentration of stress to thereby obtain durability endurable for high-speed printing, an armature of the present invention has an arm that is formed into a long-sized plate-like shape and holds a printing wire at i... | 05/20/2008 |
| 7172351 | Method for manufacturing an armature An armature manufacturing method of forming an armature including an arm holding a printing wire, and magnetic circuit forming members attached to the arm places the magnetic circuit forming members on the arm with a resistive layer of a resistive material having hi... | 02/06/2007 |
| 6801335 | Method of controlling impact printer noise A method of controlling noise in an impact printer that modulates the input pulse to the power amplifier of the printer. The resulting current waveform is then applied to the print wire solenoids. The final shape of the force input to the platen reduces or spreads t... | 10/05/2004 |
| 6695495 | Constant density printer system An ink density closed loop control system for an ink ribbon of an impact printer having a reservoir roller formed of an ink absorbent material with at least one or more channels within the reservoir roller fluidly connected to a pump and ink supply. A tra... | 02/24/2004 |
| 5674015 | Arrangement of actuators and tip ends in a wire dot print head Plural guide holes are arranged in a matrix form in a wire guide. Plural print drivers are circularly arranged in plural layers for first print drivers belonging to a layer near to the wire guide and for second print drivers belonging to a layer far from ... | 10/07/1997 |
| 5674014 | Printhead driver circuit for line printers A printhead drive circuit to be utilized in impact printers is disclosed. In accordance with a preferred embodiment of the present invention, the printhead driver circuit includes a first switch, a set of second switches, and a decoupling circuit. The fir... | 10/07/1997 |
| 5257868 | Printer head for printer In a printing head for a printer, forward end surfaces of respective outer and inner peripheral walls of a solenoid base and forward end faces of a plurality of respective core sections arranged between the inner and outer peripheral walls along a periphe... | 11/02/1993 |
| 5174663 | Wire dot print head and method for manufacturing same An improved wire dot print head for increased integrated density is provided. The wire dot print head includes a frame. A plurality of drive coils are mounted within the frame. A lever for driving print wires has a print wire mounted at one end and its ot... | 12/29/1992 |
| 5150976 | Matrix printing head with forward and return articulated-armature magnets An electromagnetic drive mechanism for a pin in a matrix printing head has a first magnet with an articulated armature, wherein a free end of the armature acts on the pin and can be returned to a disengaaged position by a recovery mechanism. The recovery ... | 09/29/1992 |
| 5080510 | Matrix print head with an electromagnetic coil support An electromagnetic coil support (7) forms a magnet yoke ring for, for example, 18 or 24 print element systems of a matrix print head. In each case the magnet yoke body (9) with yoke feet (16) is attached in polygonal openings (19) of the annular electroma... | 01/14/1992 |
| 5074687 | Armature of an electromagnet-coil/armature system for dot matrix print heads, and method of manufacturing same In a method for the manufacture of armatures from sheet-metal parts stacked in the manner of laminated inductors, predeterminately shaped openings or indentations (6) and corresponding coaxially opposite projections (8) are defined in and during the forma... | 12/24/1991 |
| 5056942 | Dot printer head According to the present invention, a plurality of cores with electromagnetic coils wound thereon are arranged annularly on one side of a polygonal plate-like yoke; a plurality of armatures with needles connected thereto are opposed to end faces of the co... | 10/15/1991 |
| 5039235 | Printer utilizing improved impact dot print head A printer utilizes an impact dot print head achieving higher drive acceleration and resultant velocity for driving a print wire without notable increase in the moment of inertia through the provision of magnetic influencing means on adjacent or opposite s... | 08/13/1991 |
| 5033885 | Dot matrix pin print head A dot matrix pin print head is formed of a rear electromagnet drive assembly (1) and a front pin-guide assembly (2) located opposite a print support (3), the electromagnet drive assembly (1) consisting of a plurality of identical electromagnet/flap-armatu... | 07/23/1991 |
| 5024542 | Magnetic actuator A magnetic material and an actuator having magnetic circuit elements incorporating the magnetic material formed of equal amounts of iron and cobalt and between about 2.4 to 2.8% by weight vanadium. The actuator is well suited for inclusion in an impact pr... | 06/18/1991 |
| 5024543 | Impact dot print head An impact dot print head for printing without impact noise when returning to the non-printed position includes a base. An arm is mounted for movement between a non-print position and a print position. A print wire is mounted on the arm. A first device sel... | 06/18/1991 |
| 4979836 | Matrix pin print head of the hinged-clapper-armature construction A matrix pin print head of the hinged clapper armature construction includes several pin systems, where each pin system comprises a magnet yoke limb pair (1), an electromagnetic coil (2), a hinged clapper armature (3), and a print pin (4). A higher pin sy... | 12/25/1990 |
| 4895464 | Wire matrix print head assembly A preferred embodiment of a wire matrix print head assembly 10 is described having a housing 16 supporting a plurality of print wires 22 that are capable of moving between retracted nonprint positions and extended print positions for printing indicia onto... | 01/23/1990 |
| 4840501 | Three pole printhead actuator A magnetic actuator particularly suitable to be arranged in a circular array to form a wire matrix printhead for mosaic, or dot, matrix printing. Each such magnetic actuator of three poles being (1) and "E"-shaped core defining three magnetic poles which ... | 06/20/1989 |
| 4833980 | High efficiency coil posts for print hammer actuators Stored energy print hammer actuators (11) having high efficiency coil posts (19) are disclosed. The coil posts (19) include a cylindrical core (33) mounted on a pin (35). The cylindrical core (33) has high resistivity and, thus, minimizes eddy currents an... | 05/30/1989 |
| 4818133 | High speed wire matrix print head A wire matrix print head includes a plurality of axially movable print wires, each having an associated electromagnetic actuator comprising an actuating armature and an electromagnet. An E-shaped, laminated pole piece is utilized to obtain extremely high ... | 04/04/1989 |
| 4810112 | Dot matrix print head of improved type A dot matrix print head of improved type is described the principal characteristic of which lies in the fact that the casing containing the electromagnets actuating the needles is clamped between the needle support body and a cover carrying on its interio... | 03/07/1989 |
| 4767227 | Print wire driving device for wire type dot printer A print wire driving device for a wire dot printer includes a plate like member having slots therein. The slots are arranged opposite the cores of a magnetic core block. The cores are arranged in a circle and project from the core block. The slots extend ... | 08/30/1988 |
| 4755068 | Dot matrix print head assembly A dot matrix print head assembly comprising a plurality of circumferentially spaced armature members for operating associated wire members and a plurality of circumferentially spaced inner and outer pole devices separated by rectangular slots. A coil is m... | 07/05/1988 |
| 4687354 | Dot matrix printer head A reduced size and power dot matrix printing head having a chair shaped yoke with opposed off-set portions. Electromagnets are secured to the inner sides of the opposed off-set portions of the yoke permitting staggering of the electromagnets. Heavy biasin... | 08/18/1987 |
| 4681467 | Impact printing applications A print actuator for dot matrix applications having a stator with a coil wrapped thereon and constrained by the walls of the stator. An armature extends above the stator in a cantilever or pivoted manner. The armature controls movement of a print element.... | 07/21/1987 |
| 4674897 | Actuator for dot matrix printhead An improved dot matrix actuator is provided which includes a magnetic circuit formed of a yoke assembly and a pivotal armature. The armature is pivotally supported with respect to the yoke by means of a flexure assembly which eliminates the need for a tru... | 06/23/1987 |
| 4661002 | Dot matrix printer A dot matrix printer has a vertical array of wires for printing on paper, pivotal armatures having plungers, coils wound around cores, main and auxiliary yokes the latter of which has drawn inner and outer peripheries, and posts at positions of the auxili... | 04/28/1987 |
| 4626115 | Dot printer head A dot printer head including a plurality of cores each surrounded by a coil, a yoke connected to the cores magnetically, and a plurality of armatures each facing one of the cores and the yoke and having one end to which a needle is connected. A plurality ... | 12/02/1986 |
| 4597680 | Dot printer head with alternate magnetic flux paths The printhead is constructed such that opposed surfaces of armatures are formed between the armatures adjacent to each other with small gap being left therebetween and cores opposed to each of the armatures are provided with alternative opposed magnetic f... | 07/01/1986 |
| 4583871 | Dot printer head with magnetic circuit through adjacent armatures A dot printer head in which a radial array of armatures are disposed opposite to a yoke and cores equipped with coils, and the armatures are actuated together with needles by exciting the coils to perform a desired printing operation. In this arrangement,... | 04/22/1986 |
| 4572070 | Needle-carrying head for a printing machine A needle-carrying head for a printing machine has needles which are short and rectilinear, the distance separating them being greater than the distance which must separate the printed points produced in the printing operation. Hence, the needles do not ha... | 02/25/1986 |
| 4569605 | Wire driving armature for dot printer The multi-wire dot print head is provided with a plurality of print wires with a wire driving armature associated with each of the print wires and being operable to move the print wire toward a print position. The wire driving armatures each include an ac... | 02/11/1986 |
| 4568207 | Magnetic actuator mechanism An improved magnetic actuator mechanism suitable for dot printing mechanisms for use in a wire matrix dot printer. The present magnetic actuator mechanism comprises an armature movable between a reset position and an actuated position, a permanent magnet ... | 02/04/1986 |
| 4541745 | Print head construction The coil carrier for a print head is constructed from nested sheet metal bodies with upwardly bent legs, being aligned in pairs and held together by a common sleeve having an end face which has a singular relationship to a common end face of all the arms.... | 09/17/1985 |
| 4443122 | Dot matrix print head This invention involves methods and apparatus relating to the assembly and structure of a dot matrix print head. The invention includes a single unit, coil assembly of a bobbin, coil, and clapper which can be removeably placed as a unit among fixed pole p... | 04/17/1984 |
| 4273452 | Print head for a dot printer A print head for a dot printer consisting of electromagnet units for driving a plurality of print wires, wherein the electromagnet unit is formed of a plurality of electromagnets and a plurality of armatures which are all assembled into a single magnetic ... | 06/16/1981 |
| 4244658 | Dot printer head In a dot printer head, a small, thin and flat lever or chip pivots on a fulcrum when attracted by an electromagnetic coil. Pivoting of the chip on the fulcrum drives a needle, in opposition to a biasing spring, against an ink ribbon and paper for printing... | 01/13/1981 |
| 4222674 | Head portion of a dot printer The head portion of a dot printer includes a cup-shaped yoke, an electromagnet on a coil frame, an iron core within said coil frame, said core being securely fixed to said cup-shaped yoke, a second yoke, a movable element comprising a second iron core dis... | 09/16/1980 |
| 4197021 | Printing head for a wire-type dot printer The printing head for a wire-type dot printer includes a plurality of electromagnet coils, each on a coil core including a central post, said coil core and central post being of a magnetic material. Each of the coil cores is mounted on a frame having a ca... | 04/08/1980 |
