US2790095A - Device for converting rotary motion into reciprocating motion or conversely - Google Patents

Device for converting rotary motion into reciprocating motion or conversely Download PDF

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Publication number
US2790095A
US2790095A US332452A US33245253A US2790095A US 2790095 A US2790095 A US 2790095A US 332452 A US332452 A US 332452A US 33245253 A US33245253 A US 33245253A US 2790095 A US2790095 A US 2790095A
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United States
Prior art keywords
magnetic
motion
poles
circuit
circuits
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Expired - Lifetime
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US332452A
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English (en)
Inventor
Peek Johannes Joseph Alphonsus
Cluwen Johannes Meijer
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US Philips Corp
North American Philips Co Inc
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US Philips Corp
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
    • G04C5/005—Magnetic or electromagnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0242—Magnetic drives, magnetic coupling devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
    • H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S74/00—Machine element or mechanism
    • Y10S74/04—Magnetic gearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18088—Rack and pinion type

Definitions

  • the invention relates to a device for converting rotary motion in one direction into reciprocating motion, and conversely.
  • conversion of motion is effected by means of an eccentric, a
  • the invention has for its object to provide a device permitting under circumstances substantially loss-free conversion of motion.
  • the device comprises two mechanisms, each of which comprises a magnetic circuit which, measured along a pitch line, produces a magnetic field alternately changing its direction, the conversion of motion being due to the magnetic force between the co-acting magnetic circuits of the mechanisms.
  • Figs. 1 and 2 show devices according to the invention, which comprise two disc-shaped magnetic circuits.
  • Fig. 2a shows diagrammatically an alternate embodiment of the present invention in which the magnetic circuit is secured to a plate-shaped diaphragm.
  • Fig. 3 shows a device similar to that shown in Fig. l but comprising three disc-shaped magnetic circuits.
  • the device shown in Fig. 4 is similar to that shown in Fig. 3 but comprises cylindrical magnetic circuits.
  • Fig. 5 shows a variant of the device represented in Fig. 4.
  • Fig. 6 shows a method of polarisation of the magnetic circuits, for explaining Figs. 4 and 5.
  • A is a sectional view of the whole device
  • B is a lateral view of one of the magnetic circuits of the device.
  • the device comprises a first rotary mechanism 1, whose rotation is to be converted such that a mechanism 2 performs a reciprocating motion.
  • the mechanism 1 comprises a disc-shaped magnetic circuit 3 made from permanent magnetic material, wherein poles N and S are magnetised in an axial direction, said poles, measured along the circular pitch line T, producing a magnetic field which alternately.
  • the mechanism 2 changes its direction.
  • the mechanism 2 carries a similar magnetic circuit 4 having the same number of poles, so that magnetic forces are produced between the magnetic circuits 3 and 4;
  • the mechanism 1' is prevented from performing a reciprocating motion by a suitable ball bearing 5 (shown diagrammatically), rotation of the mechanism 2 being prevented by tangential springs 6 and 6' (shown diagrammatically), which do permit reciprocating motion of the mechanism 2.
  • a suitable ball bearing 5 shown diagrammatically
  • tangential springs 6 and 6' shown diagrammatically
  • the extreme diameter of the magnet circuits 3 and 4 consisting of separate magnet discs arranged in the form of a crown, was 12 cm.
  • Fig. 2 shows a variant of the device shown in Fig. 1, wherein the mechanism 2 consists only of the magnetic circuit 4 which is secured to a rotation-preventing diaphragm 7.
  • This diaphragm 7 may, for example, form part of a diaphragm pump or a siren, for which purposes the aforesaid device is eminently suitable. It may also be advantageous to secure the magnetic circuit 4 to a plate-shaped diaphragm of ferromagnetic material 7 (Fig. 2A) by which the poles of the circuit 4 facing said diaphragm are magnetically short-circuited.
  • Fig. 3 shows a device comprising three disc-shaped magnetic circuits 8, 9 and 10 shaped as shown in Fig. 1B.
  • the circuits 8 and 10 are secured to the rotary mechanism 1, the circuit'9 being secured to the reciprocating mechanism 2.
  • the poles of same sign of circuits 8 and 10 face each other, so that the magnetic circuit 9 either is attracted by the poles of circuit 10 and simultaneously repelled by those of the circuit 8 (this position is shown in the drawing) or, upon rotation of the circuit 1 through a distance corresponding to the pitch length s of the poles is attracted by the magnetic circuit 8 and simultaneously repelled by those of the magnetic circuit 10.
  • Said device also permits reciprocating motion to be converted into rotary motion in a constrained manner. If, in eifect, the mechanism 2 is caused to reciprocate, the poles of the magnetic circuit 9 will repel the poles of same sign of the circuit 8 and will attract the poles of opposite sign of this circuit with the result that the mechanism 1 tends to rotate over a pitch length s. If the magnetic circuit 9 subsequently moves in a direction of the magnetic circuit 10, the poles of the same sign of circuits 9 and 10 have meanwhile reached positions in front of each other and cause the mechanism 1 to rotate further.
  • the mechanism 2 may also be furnished with a second plate-shaped magnetic circuit 11 likewise co-operating with circuit 10 and consequently partaking in the moment produced.
  • one of both mechanisms may-be caused to perform both motions, for example by complete immobilisation of the other mechanism.
  • I Fig. 4A is a front view of a device similar to that.
  • the mechanism 1 carrying two cylindrical magnetic circuits 12, 13 and the other mechanism 2 comprising a cylindrical magnetic circuit 14.
  • the poles of the circuits 12, 13 and 14 produce, measured along the circular pitch line T, a magnetic field alternately changing its direction, the circuits 12 and 13 shown in Fig. 4A being situated with their poles of opposite sign adjacent each other.
  • the mechanism 2 Upon rotation of the mechanism 1 the mechanism 2, whose rotation is prevented by the diaphragm 7, will consequently perform a reciprocating 3 motion, the simultaneous axial motion of the mechanism 1 being negligible if this mechanism ,is connected to a sufiiciently heavy mass.
  • the speed of rotation of the mechanism 1 will preferably be so chosen as to set the mechanism 2 into mechanical resonance.
  • a plurality of magnetic circuits may similarly be fitted to the rotary mechanism .1, said circuits causing a number of mechanisms 2 to perform reciprocating motions, if desired different from one another, for example multi-tone sirens.
  • a reciprocating mechanism 2 may be caused to cooperate with a plurality of rotary mechanisms 1.
  • the mechanism 2 may be prevented from participating in the rotation not only by the diaphragm 7 but also by a stationary cylindrical magnetic circuit (Fig. 48, C) whose poles, similarly-to circuits 12, 13 and 14 produce a magnetic field alternately changing its direction.
  • a stationary cylindrical magnetic circuit Fig. 48, C
  • Fig. 5 shows a variant of the device shown in Fig. 4, wherein the mechanism 1, which only comprises cylindrical magnetic circuits 12 and 13, is stationary, whereas the other mechanism 2 comprises a circuit 14 co-acting with the magnetic circuits 12, 13 and in addition a ferromagnetic, for example a soft iron cylinder 18, which upon the passage of current through one Winding 19 of a sucking magnet 20 is drawn to the left, whereas upon disappearance of the current through the winding 19 a spring 21 urges the mechanism 2 again to the right.
  • the mechanism 2 in the case of current alternating through the winding 19 will simultaneously perform a reciprocating and a rotary movement. It may be advantageous to choose the mechanical resonance of the mechanism 2 for the reciprocating movement equal to double the frequency of the alternating current through the winding 19.
  • poles N and S of rectangular shape may, for example as shown in Fig. 613, be introduced in a continuous zig-zag into the circuit 12, 13 whereas the corresponding zig-zag poles of opposite sign (S) are interrupted by the first-mentioned poles (N) at the broken lines.
  • circuit 14 into which north poles (N), south poles (S) and neutral zones (C) are alternately introduced, then moves to and fro in front of the circuit 12, 13 a direction of rotation corresponding with a shift of the circuit 14 in front of the circuit 12, 13, in Fig. 6B downwards, will be preferred, since thepoles at the broken lines tend to prevent upward displacement.
  • Such a device is very suitable, for example, for counting current impulses.
  • the magnetic circuits as shown are preferably made from a material with a ratio smaller than 4 between the remanent induction B in Gauss and the coercive field'strength B c in Oersted.
  • a device for converting continuous rotary motion into reciprocating motion or vice versa comprising a base member, a first member including a plurality of permanent magnetic segments forming a thin-walled body having one dimension thereof smaller than the other dimensions thereof, each of said segments being arranged Withthe polarized direction thereof in substantially the 6 same direction as the smallest dimension of said first member, .said segments defining a first magnetic circuit, said first member being rotatably mounted on said base member, means for rotating said first member, means for preventing reciprocatingmovement of said first member, a second member including a plurality of permanent magnetic segments forming a second magnetic circuit mounted on said base member, means coupling said second member to said base member for preventing rotational movement of said second member, said magnetic circuits coacting to produce a magnetic field between said members which alternately changes its direction to thereby cause said second member to reciprocate.
  • a device for converting continuous rotary motion into reciprocating motion or vice versa comprising a base member a first member having a cylindrical shape and including a plurality of permanent magnet segments forming at least two circular magnetic circuits on the circumference thereof, said first member being rotatably mounted on said base member, means for rotating said first member, a second member flexibly mounted on said base member having an annular shape and including a plurality of permanent magnetic segments forming another magnetic circuit, said magnets being magnetized in the radial direction of said cylindrical and annular members respectively, said magnetic circuits being coaxially arranged, said two magnetic circuits of the first member coacting with the magnetic circuit of the second member to produce a magnetic field between said members which alternately changes direction thereby converting the rotary motion of one of said members into reciprocating motion of the other of said members.
  • a device as set forth in claim 4 in which said magnetic segments are arranged to rotate the annular and cylindrical members in the same predetermined sense of direction relative to one another when one of said first and second members is linearly displaced relative to the other.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
US332452A 1952-03-06 1953-01-21 Device for converting rotary motion into reciprocating motion or conversely Expired - Lifetime US2790095A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL167948A NL84461C (nl) 1952-03-06 1952-03-06 Inrichting voor het omzetten van in één richting roterende beweging in een heen en weer gaande beweging of omgekeerd

Publications (1)

Publication Number Publication Date
US2790095A true US2790095A (en) 1957-04-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
US332452A Expired - Lifetime US2790095A (en) 1952-03-06 1953-01-21 Device for converting rotary motion into reciprocating motion or conversely

Country Status (10)

Country Link
US (1) US2790095A (de)
JP (1) JPS318202B1 (de)
BE (1) BE518187A (de)
CH (1) CH311916A (de)
DE (1) DE1753854U (de)
DK (1) DK84090C (de)
ES (1) ES208079A1 (de)
FR (1) FR1076295A (de)
GB (1) GB747727A (de)
NL (1) NL84461C (de)

Cited By (65)

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US2943216A (en) * 1957-02-05 1960-06-28 Spodig Heinrich Power tool and magnetic motion converter for use therewith
US3006557A (en) * 1959-03-30 1961-10-31 Gen Motors Corp Combination reciprocating and rotary spray tube for a dishwasher
US3042820A (en) * 1958-04-16 1962-07-03 Beckman Instruments Inc Servo motor with adjustable velocity damp
US3089425A (en) * 1961-01-30 1963-05-14 Thompson Ramo Wooidridge Inc Magnetic pump
US3128400A (en) * 1961-07-13 1964-04-07 Ingersoll Rand Co Clutch mechanism
US3172291A (en) * 1961-09-07 1965-03-09 Mc Graw Edison Co Movements for measuring instruments
US3328615A (en) * 1962-04-04 1967-06-27 Bakker Johannes Vibrating device
US3477365A (en) * 1966-07-22 1969-11-11 Mohawk Data Sciences Corp Hysteresis drive for high speed print hammers
US3483412A (en) * 1966-03-04 1969-12-09 Johannes Bakker Mechanical vibrating system
US3499496A (en) * 1968-10-07 1970-03-10 Alman H Vieths Torque transmitting arrangement with axial magnetic bias
US3675506A (en) * 1970-07-14 1972-07-11 Nick A Leone Magnetic rotor assembly
US3773439A (en) * 1972-09-01 1973-11-20 F Sheridan Reciprocating in-line magnetic actuator
US3791769A (en) * 1970-06-04 1974-02-12 S Kovacs Magnetic heart pump
US3792578A (en) * 1972-02-28 1974-02-19 Suisse Horlogerie Low friction miniature gear drive for transmitting small forces, and method of making same
US3801095A (en) * 1973-06-04 1974-04-02 J Woron Magnetic amusement device
US3831537A (en) * 1973-04-12 1974-08-27 S Siegel Drive for sewing machine or the like using magnetic force transmission
US3969998A (en) * 1971-11-30 1976-07-20 Compagnie Honeywell Bull (Societe Anonyme) Printing actuator
US4011477A (en) * 1974-07-19 1977-03-08 Scholin Harold W Apparatus using variations in magnetic force to reciprocate a linear actuator
US4207773A (en) * 1976-11-04 1980-06-17 Stahovic Robert F Magnetic piston machine
US4371798A (en) * 1979-03-26 1983-02-01 Takeshi Kuroda Magnetic cylinder
US4427470A (en) 1981-09-01 1984-01-24 University Of Utah Vacuum molding technique for manufacturing a ventricular assist device
US4473423A (en) 1982-05-03 1984-09-25 University Of Utah Artificial heart valve made by vacuum forming technique
US4494452A (en) * 1983-05-02 1985-01-22 Craig Barzso Wine aerator
US4671745A (en) * 1986-03-21 1987-06-09 Smith Raymond H Magnetically-activated motorized pump
US4838889A (en) * 1981-09-01 1989-06-13 University Of Utah Research Foundation Ventricular assist device and method of manufacture
DE9400357U1 (de) * 1994-01-11 1994-07-14 Baumann, Joachim, 72108 Rottenburg Feldturbine mit Permanentmagnet und Druckluftzylinder
DE19513736A1 (de) * 1994-04-11 1995-10-12 Yasuharu Katsuno Antriebseinheit
WO1997034357A1 (en) * 1996-03-11 1997-09-18 The Penn State Research Foundation High power oscillatory drive
US5747902A (en) * 1992-06-17 1998-05-05 Takara; Muneaki Rotary apparatus
US6232689B1 (en) * 1997-05-16 2001-05-15 Delta Tooling Co., Ltd. Energy extracting mechanism having a magnetic spring
WO2002091498A2 (en) * 2001-05-09 2002-11-14 Harmonic Drive, Inc. Linear magnetic harmonic motion converter
US6517560B1 (en) * 2000-11-27 2003-02-11 Duke University Hand-held surgical instruments employing magnetic couplings for simultaneous rotary and longitudinal oscillations of distal workpieces
US20050206260A1 (en) * 2004-03-16 2005-09-22 Shinichi Akiyama Magnetic rotation transmitting device, hermetic stirring unit, and electric furnace
US20060244316A1 (en) * 2005-04-27 2006-11-02 Stephen Kundel Motor having reciprocating and rotating permanent magnets
US20070120432A1 (en) * 2005-11-25 2007-05-31 Vaden David R Axial magnetic cam
US20070210659A1 (en) * 2006-03-07 2007-09-13 Long Johnny D Radial magnetic cam
EP1589643A3 (de) * 2004-02-27 2007-09-26 New and Renewable Energy Centre Limited Magnetische Kraftübertragung
US20070222309A1 (en) * 2006-03-27 2007-09-27 Minker Gary A High efficiency magnet motor
US20070228855A1 (en) * 2006-03-28 2007-10-04 Tsuguo Kobayashi Power transmission system
US20080047374A1 (en) * 2004-03-17 2008-02-28 Siemens Aktiengesellschaft Drive Device with an Input Shaft and an Output Shaft Particularly for Driving a Contact Piece of an Electrical Switching Device
US20080122306A1 (en) * 2006-11-28 2008-05-29 Arthur Kiramidzhyan Magnet Gear Device
US20090001834A1 (en) * 2005-06-15 2009-01-01 Doyle Ray Ledbetter Permanent magnet motor
WO2009071075A2 (de) * 2007-12-04 2009-06-11 Fidlock Gmbh Kraft-weg-transformationsvorrichtung
US20090306695A1 (en) * 2005-04-28 2009-12-10 Bayer Healthcare Llc Permanent Magnet Lancing Device
WO2009151962A2 (en) * 2008-06-13 2009-12-17 Schlumberger Canada Limited Wellbore instruments using magnetic motion converters
US20100187930A1 (en) * 2009-01-24 2010-07-29 Guillaume Marquis Magnetic amplifier
US20100295413A1 (en) * 2006-08-31 2010-11-25 Siemens Aktiengesellschaft Device comprising a capacitive energy converter that is integrated on a substrate
US20110095544A1 (en) * 2010-07-21 2011-04-28 Arkadiusz Fijalkowski Magnetic Drive Inducing Constant-Speed Rotation
US20110203395A1 (en) * 2004-12-14 2011-08-25 Flexidrill Limited Vibrational apparatus
DE102010029860A1 (de) * 2010-06-04 2011-12-08 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Warnsystem für ein Kraftfahrzeug
US20120007704A1 (en) * 2010-07-08 2012-01-12 Nerl Michael S Periodic correlated magnetic actuator systems and methods of use thereof
WO2013052929A2 (en) * 2011-10-05 2013-04-11 Roy Rosser Mechanism for converting reciprocating motion into rotary motion
US8487484B1 (en) * 2012-03-15 2013-07-16 Torque Multipliers, LLC Permanent magnet drive apparatus and operational method
US8508089B2 (en) 2010-09-01 2013-08-13 Magnamotor, Llc Magnetic drive motor assembly and associated methods
US8664816B1 (en) 2010-09-01 2014-03-04 Magnamotor, Llc Magnetic reaction apparatus, assembly and associated methods for optimization of a cyclic drive input
WO2015016284A1 (ja) * 2013-08-01 2015-02-05 株式会社ブリヂストン リニアアクチュエータ及び防振装置
US9077093B1 (en) * 2014-04-23 2015-07-07 Apple Inc. Magnetic rotation actuator
US9371856B2 (en) 2012-08-03 2016-06-21 Stephen Kundel Non-contact thrust bearing using permanent magnets
US9474507B2 (en) 2013-01-04 2016-10-25 Muffin Incorporated Reciprocating ultrasound device
US9579080B2 (en) 2012-10-16 2017-02-28 Muffin Incorporated Internal transducer assembly with slip ring
US9675323B2 (en) 2013-03-15 2017-06-13 Muffin Incorporated Internal ultrasound assembly with port for fluid injection
US10595823B2 (en) 2013-03-15 2020-03-24 Muffin Incorporated Internal ultrasound assembly fluid seal
KR102381983B1 (ko) * 2022-01-12 2022-04-01 이희철 자성을 이용한 발전기 구동장치
US11317892B2 (en) 2015-08-12 2022-05-03 Muffin Incorporated Over-the-wire ultrasound system with torque-cable driven rotary transducer
US11951065B2 (en) 2019-10-15 2024-04-09 Koninklijke Philips N.V. Apparatus for generating a reciprocating rotary motion

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US3008062A (en) * 1957-12-12 1961-11-07 Tkm Electric Corp Dynamoelectric machine
US2929477A (en) * 1957-12-23 1960-03-22 Servomechanisms Inc Non-electric magnetic clutch
US3283588A (en) * 1963-12-16 1966-11-08 Euclid Electric & Mfg Co Rotational speed sensor control unit
SE392415B (sv) * 1973-07-02 1977-03-28 Atlas Copco Ab Mutter- eller skruvdragare
WO1984000448A1 (en) * 1982-07-14 1984-02-02 Hubert Bald Method and device for transforming oscillatory motions of masses into rotary motions of rotors
EP0429718A1 (de) * 1989-12-01 1991-06-05 Van der Geenst, Bernard Elektrischer Motor
GB2466034A (en) * 2008-09-02 2010-06-16 Nicholas William Field Improved electrical power transmission system for a faraday cage
GB2463102A (en) * 2008-09-05 2010-03-10 David Rodger Permanent magnet couplings
EP3001259A1 (de) * 2014-09-26 2016-03-30 ETA SA Manufacture Horlogère Suisse Einstellvorrichtung des Gangs eines mechanischen Uhrwerks
JP2016111789A (ja) * 2014-12-04 2016-06-20 株式会社ブリヂストン リニアアクチュエータ及び防振装置

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US2310357A (en) * 1940-01-13 1943-02-09 Western Electric Co Adjustable camlike control apparatus
US2353740A (en) * 1942-01-19 1944-07-18 Perfex Corp Control apparatus
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US1672807A (en) * 1926-07-01 1928-06-05 Etzel Heinrich Driving mechanism for oscillating conveyers
US2310357A (en) * 1940-01-13 1943-02-09 Western Electric Co Adjustable camlike control apparatus
US2353740A (en) * 1942-01-19 1944-07-18 Perfex Corp Control apparatus
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Cited By (92)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943216A (en) * 1957-02-05 1960-06-28 Spodig Heinrich Power tool and magnetic motion converter for use therewith
US3042820A (en) * 1958-04-16 1962-07-03 Beckman Instruments Inc Servo motor with adjustable velocity damp
US3006557A (en) * 1959-03-30 1961-10-31 Gen Motors Corp Combination reciprocating and rotary spray tube for a dishwasher
US3089425A (en) * 1961-01-30 1963-05-14 Thompson Ramo Wooidridge Inc Magnetic pump
US3128400A (en) * 1961-07-13 1964-04-07 Ingersoll Rand Co Clutch mechanism
US3172291A (en) * 1961-09-07 1965-03-09 Mc Graw Edison Co Movements for measuring instruments
US3328615A (en) * 1962-04-04 1967-06-27 Bakker Johannes Vibrating device
US3483412A (en) * 1966-03-04 1969-12-09 Johannes Bakker Mechanical vibrating system
US3477365A (en) * 1966-07-22 1969-11-11 Mohawk Data Sciences Corp Hysteresis drive for high speed print hammers
US3499496A (en) * 1968-10-07 1970-03-10 Alman H Vieths Torque transmitting arrangement with axial magnetic bias
US3791769A (en) * 1970-06-04 1974-02-12 S Kovacs Magnetic heart pump
US3675506A (en) * 1970-07-14 1972-07-11 Nick A Leone Magnetic rotor assembly
US3969998A (en) * 1971-11-30 1976-07-20 Compagnie Honeywell Bull (Societe Anonyme) Printing actuator
US3792578A (en) * 1972-02-28 1974-02-19 Suisse Horlogerie Low friction miniature gear drive for transmitting small forces, and method of making same
US3773439A (en) * 1972-09-01 1973-11-20 F Sheridan Reciprocating in-line magnetic actuator
US3831537A (en) * 1973-04-12 1974-08-27 S Siegel Drive for sewing machine or the like using magnetic force transmission
US3801095A (en) * 1973-06-04 1974-04-02 J Woron Magnetic amusement device
US4011477A (en) * 1974-07-19 1977-03-08 Scholin Harold W Apparatus using variations in magnetic force to reciprocate a linear actuator
US4207773A (en) * 1976-11-04 1980-06-17 Stahovic Robert F Magnetic piston machine
US4371798A (en) * 1979-03-26 1983-02-01 Takeshi Kuroda Magnetic cylinder
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GB747727A (en) 1956-04-11
BE518187A (fr) 1953-09-05
NL84461C (nl) 1957-03-15
FR1076295A (fr) 1954-10-25
DK84090C (da) 1957-12-16
JPS318202B1 (de) 1956-09-22
DE1753854U (de) 1957-10-10
CH311916A (de) 1955-12-15
ES208079A1 (es) 1953-07-16

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