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GB2148444B - Apparatus for rocking a crank - Google Patents

Apparatus for rocking a crank

Info

Publication number
GB2148444B
GB2148444B GB08422120A GB8422120A GB2148444B GB 2148444 B GB2148444 B GB 2148444B GB 08422120 A GB08422120 A GB 08422120A GB 8422120 A GB8422120 A GB 8422120A GB 2148444 B GB2148444 B GB 2148444B
Authority
GB
United Kingdom
Prior art keywords
rocking
crank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08422120A
Other versions
GB2148444A (en
GB8422120D0 (en
Inventor
Yuichi Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP58160926A external-priority patent/JPS6053676A/en
Priority claimed from JP4179284A external-priority patent/JPS60186779A/en
Application filed by Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Publication of GB8422120D0 publication Critical patent/GB8422120D0/en
Publication of GB2148444A publication Critical patent/GB2148444A/en
Application granted granted Critical
Publication of GB2148444B publication Critical patent/GB2148444B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
    • F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
    • F03G7/06145—Springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
    • F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
    • F03G7/0615—Training, i.e. setting or adjusting the elongation characteristics of the material
    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B1/00—Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0122—Two SMA actuators, e.g. one for closing or resetting contacts and one for opening them

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Springs (AREA)
GB08422120A 1983-09-01 1984-08-31 Apparatus for rocking a crank Expired GB2148444B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58160926A JPS6053676A (en) 1983-09-01 1983-09-01 Crank swinging apparatus
JP4179284A JPS60186779A (en) 1984-03-05 1984-03-05 crank rocking device

Publications (3)

Publication Number Publication Date
GB8422120D0 GB8422120D0 (en) 1984-10-03
GB2148444A GB2148444A (en) 1985-05-30
GB2148444B true GB2148444B (en) 1986-10-01

Family

ID=26381461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08422120A Expired GB2148444B (en) 1983-09-01 1984-08-31 Apparatus for rocking a crank

Country Status (2)

Country Link
DE (1) DE3432134A1 (en)
GB (1) GB2148444B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004113679A3 (en) * 2003-06-20 2006-06-22 Alfmeier Praez Ag Shape memory alloy-actuated release mechanisms for drive systems
US7350762B2 (en) 2003-04-28 2008-04-01 Alfmeier Präzision Baugruppen und Systemlösungen Flow control assemblies having integrally formed shape memory alloy actuators

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0139909Y2 (en) * 1984-11-07 1989-11-30
US4811564A (en) * 1988-01-11 1989-03-14 Palmer Mark D Double action spring actuator
WO1990015928A1 (en) * 1989-06-21 1990-12-27 Johnson Service Company A shape memory actuator
US5107916A (en) * 1990-06-05 1992-04-28 I.P.S., B.V. Heat responsive memory metal actuator
US5186420A (en) * 1991-11-08 1993-02-16 The United States Of America As Represented By The Secretary Of The Navy Articulated fin/wing control system
DE4220752A1 (en) * 1992-06-29 1994-01-13 Herbert Schreiber Force amplification arrangement, e.g. for vehicle brakes - has spring applying additional force to working element as operating element is advanced
DE19738296A1 (en) * 1997-09-02 1999-03-04 Univ Dresden Tech Mechanism for providing actuator movement, e.g. miniature gripper for industrial robot arm
DE19842923A1 (en) * 1998-09-18 2000-03-23 Univ Dresden Tech Mechanism for producing actuating movement in driving element has shape memory element which contracts to move lever mechanism
US7814810B2 (en) 2006-07-05 2010-10-19 Grand Haven Stamped Products, A Division Of Jsj Corporation Shifter with actuator incorporating shape memory alloy
US8117938B2 (en) 2006-07-05 2012-02-21 Ghsp, Inc. Shifter with shape memory alloy and safety
CN104105874A (en) * 2011-09-28 2014-10-15 Fg-创新有限责任公司 Actuators for producing displacement movements

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1383476A (en) * 1972-03-31 1974-02-12 Foxboro Co Positioning device using negative spring-rate tensioning means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7350762B2 (en) 2003-04-28 2008-04-01 Alfmeier Präzision Baugruppen und Systemlösungen Flow control assemblies having integrally formed shape memory alloy actuators
WO2004113679A3 (en) * 2003-06-20 2006-06-22 Alfmeier Praez Ag Shape memory alloy-actuated release mechanisms for drive systems

Also Published As

Publication number Publication date
DE3432134A1 (en) 1985-03-21
GB2148444A (en) 1985-05-30
DE3432134C2 (en) 1992-07-16
GB8422120D0 (en) 1984-10-03

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Legal Events

Date Code Title Description
PG Patent granted