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."
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| Number | Title | Issue Date |
| 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 |
| 6779935 | Printer hammerbank with a magnetic shunt An impact line printer comprising a print ribbon wound on a pair of spools for traversal in two directions across a plurality of print hammers having tips for impacting the print ribbon to print on a media. A permanent magnet having two pole pieces having pole piece... | 08/24/2004 |
| 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 |
| 5975776 | Dot matrix print head with unitary armature assembly and method of operation thereof A print head is disclosed which includes a unitary armature assembly including a thin resilient spring, thick structural members and cores upon which a magnetic flux path can be electrically imposed, such that motion of the armatures is constrained to onl... | 11/02/1999 |
| 5651621 | Wire dot print head with print wires fixed to tip portions of armatures differentiated in resiliency Resiliency of a flat spring 7 corresponding to an end print wire 12 is set to be greater than that corresponding to a central print wire 12 by varying width of an effective spring portion 7b of a flat spring piece 7A to which an armature 13 is attached de... | 07/29/1997 |
| 5454649 | Wire printhead with armature biasing mechanism A wire printhead comprising a plurality of electromagnets and a corresponding plurality of armatures, each provided with an actuator arm forming, with the juxtaposed armature to an electromagnet, a lever of first order for actuating an impression wire att... | 10/03/1995 |
| 5370467 | Print head for dot matrix printer A print head for a dot matrix printer has a yoke having a plurality of cores, a plurality of armatures, each corresponding to the core, a plurality of knife edges is formed on the yoke, and a receiving corner is formed on the armature which engages the kn... | 12/06/1994 |
| 5368401 | Wire dot print head with rotating lever 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... | 11/29/1994 |
| 5335999 | Printer hammerspring The specification sets forth a hammerspring for a dot matrix printer having a plurality of such hammersprings spaced along a hammerbank with permanent magnetics to draw said hammersprings into a retracted and uniformly stressed mode through a spring porti... | 08/09/1994 |
| 5228386 | Print hammer assembly for dot line printer In a print hammer assembly for a dot line printer, print pins are attached to the tip ends of print hammers alternately displaced toward left and right by a predetermined distance from a vertical center of the print hammer, wherein comb portions of a fron... | 07/20/1993 |
| 5216950 | Vibration frame for print elements of a matrix line printer In a vibration frame (1) for print elements (2) of a matrix line printer, the print elements (2) are furnished in the clapper armature construction. The print elements (2) form neighboring component units in line direction (3) in or, respectively, at a pr... | 06/08/1993 |
| 5215390 | Matrix pin print head An electromagnetic drive (5) for longitudinal motions is in each case furnished for each print pin (3) in a matrix pin print head (1). Guide mouthpieces (9), movable back and forth or, respectively, up and down, are furnished for the generation of speed a... | 06/01/1993 |
| 5213423 | Printer with impact dot head An impact dot head for a printer includes a frame and a plurality of printing wires movably supported on the frame in a predetermined array. Each printing wire is bent by a different predetermined amount to be guided when moved. A plurality of armatures a... | 05/25/1993 |
| 5188467 | Print head with energizing and return leaf springs A print head is provided with armatures, each having a stylus section and a plunger in an opposite position, the armatures each having the middle section that serves as a fulcrum for rotation. A plurality of first flat springs act on the armatures to that... | 02/23/1993 |
| 5165808 | Wire dot print head A spring-charged wire dot print head having printing wires is provided with back poles paired up respectively with the cores of electromagnets for cancelling the magnetic flux produced by a permanent magnet, to eliminate the adverse effect of magnetic int... | 11/24/1992 |
| 5056941 | Print head assembly of a printing device A print head assembly of a printing device, in which a supporting member flexibly supporting a plurality of armature members, and a permanent magnet member urging the armatures in one direction by means of its magnetic force and arranged between a head bo... | 10/15/1991 |
| 5054942 | Wire printing head with unitary return group A needle or wire printing head comprises a plurality of electromagnets with fixed cores, each with two limbs, which are mounted in a ring within a containment body. Movable armatures are disposed in a radiating array in front of coplanar terminal surfaces... | 10/08/1991 |
| 5039236 | Print head with tapered conical return spring A dot matrix print head has a print wire unit having a plurality of print wires, an armature unit having a plurality of armatures, each corresponding to the print wire, and an electromagnet unit having electromagnets. Each wire comprises a wire body and a... | 08/13/1991 |
| 5000593 | Matrix pin print head of the hinged-clapper-armature construction A clapper armature (3) is coordinated to each print pin (1) in a matrix pin print head of the clapper armature construction. A magnet yoke (10) is disposed opposite to each clapper armature (3), where one of the two magnet yoke arms (10a, 10b) is surround... | 03/19/1991 |
| 4986179 | Print head for dot matrix printers A stylus actuator unit for dot matrix line printers in which each electromagnetic actuator drives each stylus. An armature is rockably supported by the electromagnetic actuator while fixing a stylus for printing to one end thereof and having at the other ... | 01/22/1991 |
| 4976554 | Release-type dot print head and method of manufacturing the same A release-type dot print head formed by joining together a magnet unit, and an armature unit formed by brazing torsion bars to armatures and supporting parts formed integrally with a second yoke with the armatures in a state in which the free ends of styl... | 12/11/1990 |
| 4925625 | Dot print head having a torsion bar with elastic portions A dot print head including armatures, supporting parts for supporting the armatures, and torsion bars for supporting the armatures on the supporting parts. Open grooves are formed at least in either the armatures or the supporting parts to place the torsi... | 05/15/1990 |
| 4884905 | Print head incorporating one piece armature with intermediate clamping pads A wire dot matrix print head suitable for a low cost computer printer is described. The print head incorporates a one piece armature constructed of thin high strength sheet metal. The armature has a plurality of rigid radial arms radiating inwardly from a... | 12/05/1989 |
| 4869605 | Wire-dot printing head with adjustable spring force A wire-dot printing head having a plurality of printing elements each including an armature fixedly holding a printing wire on the free end thereof, a plate spring fixedly holding the armature on the free end thereof, a permanent magnet for attracting the... | 09/26/1989 |
| 4820065 | Wire-type printing head A wire-type print head comprises an armature to which a rear end of a printing wire is fixed, a core having its forward end adjacent to a rear surface of the armature, a leaf spring having a first end fixed near a permanent magnet and a second end fixed t... | 04/11/1989 |
| 4798488 | Dot matrix print head A dot matrix print head in which the mass of the armature is reduced by providing a groove in the armature in the portion where the magnetic flux density is relatively low. The armature may be advantageously attached to a sheet spring by laser welding app... | 01/17/1989 |
| 4792247 | Armature supporting structure of a print head A supporting plate, which is formed of a bendable plate material, includes coupling portions extending in the radial direction of the supporting plate and individually fixing armatures arranged radially, torsion bars paired so as to extend sideways from t... | 12/20/1988 |
| 4778292 | Dot print head with restrained rebound of armature A dot print head includes a spring plate having a plurality of integral tongues arranged successively along one longitudinal side edge thereof, a plurality of armatures each fixedly attached at a part at least excluding the rear end thereof to the upper s... | 10/18/1988 |
| 4771689 | Unitary spring armature for a dot matrix printer An elongated unitary spring armature is disclosed for use in dot matrix printers. The spring armature has an elongated triangular shape with attachment means located adjacent to the base and means for securing the impact tip located adjacent to the apex. ... | 09/20/1988 |
| 4744682 | Needle printing head The invention relates to a needle printing head (1) comprising a number of printing units (2). Each printing unit (2) is provided with a spring (9) supporting an armature (6) and a printing needle (10). The armature (6) is included in a magnetic field pat... | 05/17/1988 |
| 4704041 | Print head having rolled spring arms with uniform response A print head for use in an impact printer has resilient driving arms for actuating print hammer or print elements at a high speed. The arms extend radially inwardly, and are connected together at their outer ends and formed of a single rolled metal. The a... | 11/03/1987 |
| 4692043 | Wire dot-printing head A wire dot-printing head has an armature, a printing wire fixedly mounted on a tip end of the armature, a leaf spring fixedly mounted in one end thereof on a rear end of the armature and fixed in the other end, a spring branch part provided on the leaf sp... | 09/08/1987 |
| 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 |
| 4682903 | Thin line printer typing head A thin line printer head in which the leaf springs each extend horizontally in a line between a fixed and free end. The leaf springs may be formed in a flat spring plate by removing portions and adjacent springs may extend oppositely from a central portio... | 07/28/1987 |
| 4669898 | Dot matrix print head A print head for a dot matrix printer in which the printing ends of the print wires are disposed in two parallel rows. A plurality of electromagnetically actuated armatures have their moveable ends connected to the driven ends of the print wires. All of t... | 06/02/1987 |
| 4652158 | Armature support device for torsion spring print head An armature support pivotally supports an armature at one end thereof with the armature holding a print wire, wherein the armature support comprises a support member having a pair of arms; through holes formed in the pair of arms and having the same axis,... | 03/24/1987 |
| 4634301 | Print head with torsion spring A print head for dot printers comprising a plurality of actuators each including an armature supported on a holder through a torsion spring and having at its end a printing wire. The torsion spring is inserted in and bonded to the inner wall of through-ho... | 01/06/1987 |
| 4629343 | Matrix printing device A matrix printing device includes a housing body which can effect a translational movement relative to a printing surface in use, a plurality of wires slidable in the housing body and each having one end for acting on the print surface as a result of a th... | 12/16/1986 |
| 4625638 | Dot matrix line printer A dot matrix line printer comprised of a main frame assembly and a shuttle frame assembly hinged thereto for limited pivotal movement around a horizontal hinge axis. The main frame assembly carries a paper drive subassembly and an adjustable platen subass... | 12/02/1986 |
| 4626116 | Head for wire dot printer A wire dot printer head comprising a leaf spring welded to an armature and biased by a permanent magnet, and a magnetic coil adapted to erase the magnetic field of the permanent magnet so as to release the leaf spring and to drive a print wire. The leaf s... | 12/02/1986 |
