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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 8172572 | Dental tool displacement apparatus with slow rotational motion A dental tool displacement apparatus for use with a motorized power handle to displace a dental tool includes a tool holder having a receptacle for receiving the dental tool, and a drive arrangement. The drive arrangement defines a transmission from the motorized po... | 05/08/2012 |
| 7632094 | Method and equipment for producing glucose from a starch solution A method for producing glucose from a starch solution includes a step for saccharification of the starch solution (30) by adding enzymes and/or acid to crude syrup. The method then includes separation of a phase of proteins and/or fats from the crude syrup in... | 12/15/2009 |
| 7448869 | Medical or dental tool holder comprising a multi-step transmission arrangement In medical or dental handpiece having a treatment tool driven by means of a drive part via a transmission arrangement, the transmission arrangement contains at least two planetary transmission stages connected one after another, which each have a sun gear mounted on... | 11/11/2008 |
| 7416410 | Medical or dental handpiece with a rear and a front shaft section that form an obtuse angle The invention relates to a medical or dental medical handpiece (3) having an elongate shaft (13), which has in its front end region a tool holder (5) having a lateral insertion opening (5a) for a tool (6), and having a rearw... | 08/26/2008 |
| 7238021 | Powered cutting surface with protective guard for equine teeth An arrangement that may be used in combination with selected tools having a tooth cutting surface for the care and maintenance such as removing a selected portion of the exposed surface of equine teeth. The selected tool in communication with a source of powered mot... | 07/03/2007 |
| 7156659 | Contra-angle handpiece for rotary surgical instruments, in particular in dental surgery A driven appliance, such as a contra-angle handpiece for surgical instruments, in particular for dental surgery, includes a handle, a neck and a head for receiving an instrument. The handle and the neck of the contra-angle handpiece each receive a drive shaft, respe... | 01/02/2007 |
| 7077945 | Cu—Ni—Fe anode for use in aluminum producing electrolytic cell A method of producing aluminum in an electrolytic cell containing alumina dissolved in an electrolyte, the method comprising the steps of providing a molten salt electrolyte at a temperature of less than 900° C. having alumina dissolved therein in an electrolytic c... | 07/18/2006 |
| 7021399 | Power tool A power tool includes a body housing a motor with a first output shaft and an attachment for engagement with the output shaft. The attachment includes an output shaft which transmits rotational motion derived from the rotational motion of the motor and further inclu... | 04/04/2006 |
| 6955539 | Characterization of motion of dual motor oral hygiene device An oral hygiene device is disclosed having at least two motors to simultaneously vibrate and impart motion upon the head portion of the oral hygiene device, most beneficially at the tip. A first motor is positioned in the handle portion of the device to impart a fir... | 10/18/2005 |
| 6920659 | Toothbrush A power toothbrush including a handle and a brush head with bristles. In one embodiment, the toothbrush includes vibratory means for causing the brush head and the bristles to vibrate, and vibration isolation means for reducing the transfer of vibrations from the vi... | 07/26/2005 |
| 6629842 | Dental handpiece A dental handpiece to securely detect the load applied to the handpiece itself, and when an excessive load is applied to the handpiece, the cutting operation is suspended. The dental handpiece includes: a head; a support mounted in the head to support a c... | 10/07/2003 |
| 5975900 | Rotatable medical and/or dental instrument having a variable speed transmission A handheld medical instrument for rotating a tool including a support structure having a portion that may be gripped by a user, and an electric motor having an output rotatable at a first speed. A tool rotating shaft extends from the support structure and... | 11/02/1999 |
| 5569034 | Dental handpiece providing low speed, high torque rotary output using plural stage planetary gear reduction A dental handpiece having a slow speed, high torque rotary output, comprises a housing member; an input shaft rotatably mounted in the housing member; a coupling member at an end portion of the input shaft for being coupled to a rotary dental drive unit; ... | 10/29/1996 |
| 5529494 | Dental tool driving device A dental tool driving device comprising a facility within a housing for driving a driven mechanism. A component within the housing is for selectively placing the driven mechanism in a rotating mode and in an oscillating mode. An element is for coupling a ... | 06/25/1996 |
| 5281138 | Dental handpiece having coaxial ring gears rotatable at different respective angular speeds A dental handpiece includes a drive shaft which is driven by a drive motor and which has two coaxial ring gears which can selectively be coupled to shafts passing through different tool carriers. Different angular speeds of the coaxial ring gears is achie... | 01/25/1994 |
| 4834652 | Dental handpiece The handpiece comprises a speed reducer (34) formed by an interchangeable modular unit. This reducer (34) is mounted in a housing (15) equipped with bearings (16, 17) supporting the input shaft (1), and the output shaft (10) respectively. The housing is c... | 05/30/1989 |
| 4693685 | Gear ratio step-down or step-up device for dental handpiece A transmission device for use in a dental handpiece has a modular unit comprising an input shaft coaxial to and driven by the motor shaft, and an oblique shaft extending obliquely with respect to the input shaft and also to the tool driving shaft. Each en... | 09/15/1987 |
| 4643675 | Dental handpiece A dental handpiece, encompassing a gripping sleeve and a head sleeve which is bent relative to the longitudinal axis of the gripping sleeve, as well as a drive shaft which is supported within the handpiece and which drives a treating implement arranged in... | 02/17/1987 |
| 4490114 | Ultrasonically driven low-speed rotary motor A device for rotating a member at relatively low rotational speeds is particularly useful for rotating a brush-type tooth polisher on an insert for an ultrasonic dental prophylaxis unit. The device comprises a vibrator which ultrasonically vibrates longit... | 12/25/1984 |
| 4475889 | Speed-increasing device for a dental handpiece An angle-drive head of a dental handpiece with the housing thereof removable. A speed-increasing pinion is provided for meshing with a drive pinion of the angle-drive. A shaft connected to the pinion extends axially in the head and has a speed-increasing ... | 10/09/1984 |
| 4433957 | Transmission gear for a dental handpiece The present transmission gear for a dental handpiece generally has a handle portion including a biased guide slot and a holding sleeve fixedly held in the handle portion, a first cylindrical hollow driven shaft, a second driven shaft having at its rear en... | 02/28/1984 |
| 4306865 | Dental handpiece reduction gear A modular reduction gear for a dental handpiece comprises an input shaft coupled to the driving motor and provided with a pinion constituting the sun wheel of an epicyclic gear of which the planet carrier is rigid with the adjacent end of the output shaft... | 12/22/1981 |
| 4278428 | Dental handpiece A dental handpiece with at least two drive shaft sections for transmitting the rotary motion from a drive motor to an acceptance socket which is rotatably mounted in a head part of the handpiece, each of the drive shaft sections being arranged with their ... | 07/14/1981 |
| 4278429 | Dental handpiece A dental handpiece, which has a drive motor part connected to a housing and a head part with a socket for supporting a tool for rotation being releasably secured on the housing, characterized by the handpiece being convertible between an angled handpiece ... | 07/14/1981 |
| 4276025 | Dental handpiece In a dental handpiece having a drive motor, a grip section coupled to the drive motor and terminating in a head part having a socket for supporting a tool for rotation, the grip section having a drive train for transmitting rotation motion of the drive mo... | 06/30/1981 |
| 4245985 | Dental handpiece A dental handpiece having a holding sleeve, a driven shaft rotatable in the holding sleeve to drive a dental instrument, a driving device releasably connected to the holding sleeve and having a drive shaft which is drivingly connected to the driven shaft ... | 01/20/1981 |
| 4222738 | Dental handpiece and drive arrangement therefor A dental handpiece having a drive arrangement which provides for different speeds to be imparted to a dental tool. The drive arrangement comprises a planetary gear arrangement and a transmission member adapted for intercoupling to provide the different sp... | 09/16/1980 |
| 4071029 | Angle handpiece A surgical instrument formed by a handpiece assembly and a removable tool assembly. The handpiece assembly includes a housing having integrally interconnected grip and nose portions which are of tubular construction and are positionally related so that th... | 01/31/1978 |
| 4040311 | Dental handpiece A straight dental handpiece comprising a pair of telescoping housing barrels which can normally swivel relative to each other, one containing a chuck and the other containing a vane type air motor. A change speed transmission is entrained between the moto... | 08/09/1977 |
| 3942392 | Dental handpiece A straight dental handpiece comprising a pair of telescoping housing barrels which can swivel relative each other, one containing a chuck and the other containing a vane type air motor. A change speed transmission is entrained between the motor and the ch... | 03/09/1976 |
