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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7816840 | Spindle and flexible hinge used in ultrasonic machine A spindle used in an ultrasonic machine for transmitting vibration to a working tool of the ultrasonic machine is disclosed. The spindle includes a main body, a rotor disposed in the main body, an elastic clamping unit disposed in the rotor, a vibrating unit having ... | 10/19/2010 |
| 7687975 | Vibration assisted machining system with stacked actuators A vibration assisted machining (VAM) system, including: a frame; a vibration element mechanically coupled to the frame; a cutting tool holder connected to the vibration element; and a workpiece holder coupled to the frame. The vibration element includes a first piez... | 03/30/2010 |
| 7370786 | Bonding method and bonding apparatus Disclosed are a bonding method for a semiconductor chip, which employs an ultrasonic bonding scheme that prevents wear-out of the top surface of a mount tool and ensures both high reliability and high productivity, and a bonding apparatus which is used to carry out ... | 05/13/2008 |
| 7344620 | Ultrasonic sonotrode An ultrasonic sonotrode for irradiating ultrasonic energy into fluid or pasty media, wherein the ultrasonic sonotrode in the longitudinal direction (z) includes: a coupling section for coupling an active ultrasonic system which excites longitudinally in the longitud... | 03/18/2008 |
| 7340985 | Method and device for vibration control A device and method for vibration control in a machine for cutting, said machine comprising a cutting tool supported by a tool holder. The device comprises a control unit and converting means which are connectible to the control unit and comprise a vibration sensor ... | 03/11/2008 |
| 7293977 | Device for producing concrete moulded blocks The aim of the invention is to produce concrete moulded blocks, using a mould which is subjected to a vibrating process. Said mould comprises a frame (FR) and a moulding insert (FE) which is maintained therein. A device comprising receiving elements arranged in said... | 11/13/2007 |
| 7229523 | Treatment for ultrasonic welding A metal welding horn having tripartite ceramic coating on its welding horn tip. ... | 06/12/2007 |
| 7217128 | Ultrasonic dental insert having interchangeable plastic and metal tips An ultrasonic dental insert for an ultrasonic dental tool is provided. The ultrasonic dental insert includes a transducer, a connecting body, a hand grip, at least one O-ring and a removable tip. The transducer generates ultrasonic vibrations. The connecting body ha... | 05/15/2007 |
| 7211932 | Apparatus for megasonic processing of an article A transducer assembly used for the megasonic processing of an article. In one aspect, the transducer assembly comprises: a vibration transmitter having a rear portion adapted to be supported adjacent to an article to be processed and having an elongated forward port... | 05/01/2007 |
| 7202588 | Chassis frame buckling control device and chassis frame deformation control device The present invention is including: a piezoelectric element actuator provided on a chassis frame and capable of generating a load along the chassis frame; and, a control unit that controls the load of the piezoelectric element actuator. ... | 04/10/2007 |
| 7175506 | Tool unit for ultrasonically assisted rotary machining The tool unit for the ultrasonically assisted rotary machining of a workpiece comprises a converter (23) including at least one electroacoustic transducer (22) for generating and transmitting ultrasonic oscillations, a tool (30) that is coupled ... | 02/13/2007 |
| 7173362 | Vibratory motors and methods of making and using same A single piezoelectric is excited at a first frequency to cause two vibration modes in a resonator producing a first elliptical motion in a first direction at a selected contacting portion of the resonator that is placed in frictional engagement with a driven elemen... | 02/06/2007 |
| 7156189 | Self mountable and extractable ultrasonic/sonic anchor Self drilling anchors and related methods and apparatus. In one embodiment an apparatus comprises a drill bit, a hammer mechanism for hammering the drill bit in a first direction and in a second direction, and a selection mechanism for controlling whether, at a give... | 01/02/2007 |
| 7157833 | Tool using a piezo actuator A tool has a tool insert and an electrically operated drive unit oscillatingly driving the tool insert. The drive unit has a piezo actuator and an adjusting travel enlarger coupled to the piezo actuator. The adjusting travel enlarger has a master piston, at least on... | 01/02/2007 |
| 7141914 | Micromanipulator including piezoelectric benders A micromanipulator for positioning/localization of an operating instrument coupled therewith. The micromanipulator controls movement of the operating instrument in a single- or multi-axial system of coordinates with one or more electrical actuators. The electrical a... | 11/28/2006 |
| 7117754 | Torque ripple sensor and mitigation mechanism A torque ripple sensor and method for torque ripple sensing and/or mitigation. A piezoelectric sensor is positioned relative to a motor so that torque fluctuations due to torque ripple of the motor are transmitted to the sensor, resulting in strain of a piezoelectri... | 10/10/2006 |
| 7084553 | Vibrating debris remover This invention relates to a device which is either permanently attached or removable to the edge of a material such as a vehicular glass window. This device may be comprised of a converter sub-unit (vibrator) and an amplifying coupler. These elements are arranged so... | 08/01/2006 |
| 7057328 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 06/06/2006 |
| 7049730 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 05/23/2006 |
| 7002283 | Ultrasonic transducer assembly The invention provides an ultrasonic transducer assembly for a bonding apparatus, comprising a bonding tool mounted to an amplifying horn secured between first and second ultrasonic-generating means. A method of forming a transducer for a bonding apparatus is also p... | 02/21/2006 |
| 6995498 | Cruciform ultrasonic transducer An ultrasonic transducer having an ultrasonic conducting element with a plurality of arms extending from a common junction with some of the arms being provided with ultrasonic generators, at least one other arm carrying a bonding tool, especially for bonding a condu... | 02/07/2006 |
| 6991573 | Steering actuator of independent steer-by-wire system A steering actuator of an independent type steer-by-wire system comprises a housing fixed to a vehicle body and an ultrasonic motor. The ultrasonic motor has a stator internally fixed to the housing and a rotator rotating relative to the stator when an electric curr... | 01/31/2006 |
| 6958568 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 10/25/2005 |
| 6956316 | Acoustic driver assembly for a spherical cavitation chamber An acoustic driver assembly for use with a spherical cavitation chamber is provided. The acoustic driver assembly includes at least one transducer, a head mass and a tail mass, coupled together with a centrally located threaded means (e.g., all thread, bolt, etc.). ... | 10/18/2005 |
| 6841899 | Actuator, actuator driving method, and atcuator system A potential difference is applied between a movable electrode disposed a facing surface of a movable member, which the facing surface confronts a substrate extended in a predetermined direction or a vibrating member supported on the substrate vibratably in the prede... | 01/11/2005 |
| 6776563 | Method of controlling elliptical vibrator An elliptical vibratory cutting apparatus includes a control mechanism which applies a sinusoidal voltage having a predetermined phase difference to piezoelectric elements. Flexure vibrations are accordingly generated in X and Y directions. The vibrations in the X d... | 08/17/2004 |
| 6762535 | Spindle structure in ultrasonic machine and supporting horn used in the same The present invention is to provide a spindle structure of an ultrasonic machine which can reduce the number of assembling steps, can improve working accuracy, and can reduce heat generation due to an ultrasonic wave leakage during the working process. The spindle s... | 07/13/2004 |
| 6719183 | Transducer and a bonding apparatus using the same A transducer vibrated by a vibrator and used in a bonding apparatus, the transducer including holding portions provided so as to protrude at at least two locations that correspond to the nodes of vibration of a transducer main body, and connecting portions each conn... | 04/13/2004 |
| 6617760 | Ultrasonic resonator An ultrasonic resonator comprising a wire member with an elongated shaft having a proximal end and a distal end, the proximal end further including a filler material disposed within the proximal end; a crimp screw with an annular end and a threaded end, t... | 09/09/2003 |
| 6498421 | Ultrasonic drilling device with arc-shaped probe An ultrasonic suture device is provided for drilling arc shaped holes through hard materials, such as metals, glass, or bone. The ultrasonic suture device includes a transducer, horn and probe. The probe is constructed of three sections including a stem s... | 12/24/2002 |
| 6402499 | Vibration drive A vibration drive particularly suited for a mold for producing concrete molded bodies comprises of at least one piezoelectric vibration exciter which is fixedly attached onto the mold. The vibration exciter comprises a housing in which an unbalance mass i... | 06/11/2002 |
| 6373170 | Piezo-electric motor A piezoelectric motor has a head to movably engage a separate member, and one or more piezoelectric blocks coupled to the head, and displacing the head and separate member by selectively expand and contract in response to an applied electric field. An ele... | 04/16/2002 |
| 6342750 | Vibration drive for a mold The vibration drive for a mold for producing concrete mold bodies has four piezoelectric vibration exciters which are located in the four corner areas of a vibrating table of a molding machine and connected to the machine frame. A vertically movable mold ... | 01/29/2002 |
| 6204592 | Ultrasonic nailing and drilling apparatus A highly efficient and effective ultrasonic nailing and drilling apparatus for various precision use, such as medical or dental surgery, comprises of a piezoelectric transducer means to give an axial thrust and a motor to give a rotation to a bit. Therefo... | 03/20/2001 |
| 6177755 | Air cooled ultrasonic apparatus An air cooled ultrasonic apparatus comprises a housing having an air inlet, an air outlet, a first periphery, and a second periphery. A plurality of first and second protrusions radially extend from the first and second peripheries. The housing houses a p... | 01/23/2001 |
| 6153964 | Device for ultrasonic sealing A device for ultrasonic sealing includes a drive unit, a horn with a long and narrow sealing surface, and one or more reaction bodies which at least partially surround the drive unit. The length of the device consists of a half wave length.... | 11/28/2000 |
| 6109502 | Ultrasonic vibration bonding resonator In order to realize effective and economical bonding operation even on workpiece whose inside is quite deep, a bonding tool, which has a length equivalent to a whole number of multiples of half the wavelength of the resonance frequency, is secured to an u... | 08/29/2000 |
| 6078125 | Ultrasonic apparatus An ultrasonic apparatus useable for welding metal by vibrations in the ultrasonic frequency range, employs a horn dimensioned to be resonant as a full wavelength resonator for vibrations of a predetermined frequency traveling longitudinally therethrough. ... | 06/20/2000 |
| 5994818 | Device for transferring ultrasonic energy into a liquid or pasty medium A device (10) for transferring ultrasonic energy into a liquid or pasty medium, the device consisting of the following functional elements: a) an AC generator (35) designed for frequencies between 1 kHz and 100 kHz, b) a magnetostrictive or piezoelectric ... | 11/30/1999 |
| 5828156 | Ultrasonic apparatus In an ultrasonic apparatus a plurality of piezoelectric electroacoustic transducers (10, 12) are mechanically coupled to a horn (14) for providing ultrasonic vibrations thereto, and the transducers are energized in parallel from a common electrical power ... | 10/27/1998 |
