US20060096304A1 - Apparatus for controlling container of refrigerator and method thereof - Google Patents

Apparatus for controlling container of refrigerator and method thereof Download PDF

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Publication number
US20060096304A1
US20060096304A1 US11/028,645 US2864505A US2006096304A1 US 20060096304 A1 US20060096304 A1 US 20060096304A1 US 2864505 A US2864505 A US 2864505A US 2006096304 A1 US2006096304 A1 US 2006096304A1
Authority
US
United States
Prior art keywords
basket
refrigerator
lifting
driving unit
cooling chamber
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.)
Abandoned
Application number
US11/028,645
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English (en)
Inventor
Sang-Oh Kim
Kyung-Han Jeong
Seung-Hwan Oh
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JEONG, KYUNG-HAN, KIM, SANG-OH, OH, SEUNG-HWAN
Publication of US20060096304A1 publication Critical patent/US20060096304A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerator, and more particularly, to an apparatus for controlling a container of a refrigerator and a method thereof.
  • a refrigerator is composed of an upper cooling chamber and a lower cooling chamber.
  • a mechanical chamber in which a compressor, etc. are installed is formed at a rear lower portion of the lower cooling chamber.
  • a recent refrigerator is composed of an upper door and a lower door for independently opening and closing the upper cooling chamber and the lower cooling chamber.
  • the upper door is moved by an opening/closing method, and the lower door is moved by a pulling/pushing method.
  • the conventional refrigerator will be explained with reference to FIGS. 1 and 2 .
  • FIG. 1 is a perspective view showing a construction of a refrigerator in accordance with the conventional art
  • FIG. 2 is a sectional view of a lower portion of a body of the refrigerator when a door is closed in accordance with the conventional art.
  • the conventional refrigerator comprises: a body 11 having an upper cooling chamber 12 and a lower cooling chamber 13 separated from each other based on a partition wall 17 formed in a horizontal direction therein; a plurality of upper doors 14 for opening and closing an opened front surface of the upper cooling chamber 12 ; and a lower door 15 for opening and closing an opened front surface of the lower cooling chamber 13 .
  • a mechanical chamber 21 for accommodating a compressor 22 , etc. is formed at a rear lower portion of the body 11 .
  • the conventional refrigerator will be explained in more detail as follows.
  • the body 11 is composed of the upper cooling chamber 12 and the lower cooling chamber 13 .
  • the upper cooling chamber 12 and the lower cooling chamber are separated from each other by the partition wall 17 formed in a horizontal direction.
  • a pair of upper doors 14 are rotatably connected to the opened front IS surface of the upper cooling chamber 12 .
  • the lower door 15 is connected to the opened front surface of the lower cooling chamber 13 , and opens and closes the lower cooling chamber 13 by being slid in a back and forth direction of the body 11 .
  • a door rail 19 for supporting the lower door 15 to be slidable is installed at both inner walls of the lower cooling chamber 13 with a slidable state in a back and forth direction of the body 11 .
  • the lower cooling chamber 13 is provided with a plurality of drawers 18 - 1 and 18 - 2 having an upwardly opened box shape to store food, etc. therein.
  • a basket 16 having an upwardly opened box shape to store food, etc. therein is provided at a rear surface of the lower door 15 with a slidable state in a back and forth direction of the body 11 , and is integrally moved with the lower door 15 .
  • an object of the present invention is to provide an apparatus for controlling a container of a refrigerator and a method thereof capable of solving a user's inconvenience at the time of storing food in the container or taking food out of the container by automatically lifting or lowering the container provided at a rear surface of a lower door of the refrigerator by the user's simple switch pressing operation.
  • Another object of the present invention is to provide a control circuit of a container of a refrigerator capable of automatically controlling the container provided at a rear surface of a lower door of the refrigerator to be lifted or lowered by a user's simple switch pressing operation.
  • an apparatus for controlling a container of a refrigerator comprising: a body having an upper cooling chamber and a lower cooling chamber having an opened front surface and separated from each other; an upper door for opening and closing the opened front surface of the upper cooling chamber; a lower door for opening and closing the opened front surface of the lower cooling chamber by being slid in a back and forth direction of the body; a lower container formed at a rear surface of the lower door to be movable in an up and down direction of the body; a plurality of upper containers slidable in a back and forth direction of the body and formed at the rear surface of the lower door and at an upper portion of the lower container; and a control means for controlling the lower container to be lifted or lowered.
  • FIG. 1 is a perspective view showing a construction of a refrigerator in accordance with the conventional art
  • FIG. 2 is a sectional view of a lower portion of a body of the refrigerator when a door is closed in accordance with the conventional art
  • FIG. 3 is a perspective view showing a construction of a refrigerator according to the present invention.
  • FIG. 4 is a flow chart showing a control method for a lower container of the refrigerator according to the present invention.
  • FIG. 5 is a circuit diagram for controlling a motion of the lower container of the refrigerator according to the present invention.
  • an apparatus for controlling a container of a refrigerator and a method thereof capable of solving a user's inconvenience at the time of storing food in the container or taking food out of the container by automatically lifting or lowering the container provided at a rear surface of a lower door of the refrigerator by the user's simple switch pressing operation by providing a simple circuit for automatically controlling the container to be lifted or lowered.
  • FIG. 3 is a perspective view showing a construction of a refrigerator according to the present invention.
  • the refrigerator comprises: a body 11 having an upper cooling chamber and a lower cooling chamber having an opened front surface and separated from each other; an upper door 14 for opening and closing the opened front surface of the upper cooling chamber; a lower door 41 for opening and closing the opened front surface of the lower cooling chamber by being slid in a back and forth direction of the body 11 ; a lower container 32 formed at a rear surface of the lower door 41 to be slidable integrally with the lower door 41 and movable in an up and down direction of the body; a plurality of upper containers 18 - 1 and 18 - 2 slidable in a back and forth direction of the body and formed at the rear surface of the lower door and at an upper portion of the lower container; and a control means (not shown) for controlling the lower container 32 to be lifted or lowered.
  • FIG. 4 is a flow chart showing a control method for the lower container of the refrigerator according to the present invention.
  • the method for controlling the container of the refrigerator comprises the steps of: sensing an opening of the upper door and each opening of the plural upper containers formed at a rear upper portion of the lower door (S 41 ); receiving a user's selection signal for selecting a lifting mode or a lowering mode of the lower container-installed at a rear lower portion of the lower door (S 42 ); and lifting or lowering the lower container based on an opening of the upper door, an opening of the upper containers, and the user's selection signal (S 43 ).
  • the control means includes: an input unit for receiving a user's selection signal for selecting a lifting mode or a lowering mode of the lower container; a relay unit for selecting a driving circuit for controlling a lifting mode of the lower container or a driving circuit for controlling a lowering mode of the lower container by the user's selection signal; a lifting unit for lifting or lowering the lower container according to the lifting mode or the lowering mode; a maximum sensing switch for sensing a maximum position of the lower container at the time of the lifting mode of the lower container; a minimum sensing switch for sensing a minimum position of the lower container at the time of the lowering mode of the lower container; a first opening sensing switch for sensing an opening of the upper door at the time of the lifting mode of the lower container; and a second opening sensing switch for sensing each opening of the plural upper containers at the time of the lifting mode of the lower container.
  • the relay unit is composed of a first relay and a second relay interworked each other, and the input unit is composed of a
  • the first opening sensing switch senses an opening of the upper door and the second opening sensing switch senses an opening of the plural upper containers (S 41 ).
  • the plural upper containers are composed of a left upper container ( 18 - 1 ) and a right upper container ( 18 - 2 ).
  • the second opening sensing switch is composed of a left opening sensing switch and a right opening sensing switch. The left opening sensing switch senses an opening of the left upper container 18 - 1 , and the right opening sensing switch senses an opening of the right upper container 18 - 2 .
  • the input unit 33 receives a selection signal for selecting the lifting mode or the lowering mode of the lower container (S 42 ).
  • the control means (not shown) lifts or lowers the lower container on the basis of results sensed by the first opening sensing switch, the left opening sensing switch, and the right opening sensing switch and the selection signal (S 43 ).
  • the lifting unit is composed of a lifting mode button and a lowering mode button. While the lifting mode button is pressed, the lifting unit continuously lifts the lower container 32 in a lifting mode. Also, while the lowering mode button is pressed, the lifting unit continuously lowers the lower container 32 in a lowering mode. As the lifting unit, a direct current motor is preferably used.
  • the maximum sensing switch senses the lower container 32 and cuts off a power supply to the lifting unit thereby to stop the lifting of the lower container 32 .
  • the minimum sensing switch senses the lower container 32 and cuts off a power supply to the lifting unit thereby to stop the lowering of the lower container 32 .
  • a control circuit for the container of the refrigerator according to the present invention will be explained in more detail with reference to FIG. 5 .
  • FIG. 5 is a circuit diagram for controlling a motion of the lower container of the refrigerator according to the present invention.
  • SW 1 denotes the maximum sensing switch
  • SW 2 denotes the left opening sensing switch for the left upper container
  • SW 3 denotes the right opening sensing switch for the right upper container
  • SW 4 denotes the opening sensing switch for the upper door
  • SW 5 denotes the minimum sensing switch
  • SW 6 denotes the input unit
  • K 1 denotes the relay unit
  • CON 2 denotes the direct current (Dc) motor o the lifting unit
  • J 2 is a current limiter.
  • two interworked three-way switches of the input unit respectively connect points 2 and 1 and points 5 and 4 .
  • two interworked relays of the relay unit respectively connect points 10 and 7 and points 4 and 8 .
  • power VCC is connected to the DC motor of the lifting unit via the point 2 , the point 1 , and the SW 5 , and is connected to a ground via the point 8 , the point 4 , and the point 5 , thereby forming a driving circuit for controlling the lowering mode.
  • the lifting unit connected to the driving circuit for controlling the lowering mode lowers the lower container 32 .
  • the SW 6 When the user stops pressing the lowering mode button while the lower container 32 is moved in the lowering mode, the SW 6 is opened and thereby the power VCC is not supplied to the DC motor of the lifting unit any longer thus to stop the DC motor. Also, even if the user continues to press the lowering mode button, when the lower container 32 reaches a preset position, that is, when the lower container 32 reaches the initial start position, the SW 5 is opened and thereby the power VCC is not supplied to the DC motor any longer thus to stop the DC motor.
  • two interworked three-way switches of the input unit respectively connect points 2 and 3 and points 5 and 6 .
  • two interworked relays of the relay unit respectively connect points 18 and 8 and points 6 and 7 .
  • the power VCC is connected to the DC motor of the lifting unit via the point 2 , the point 3 , the SW 1 , the SW 2 , the SW 3 , and the SW 4 and is connected to the ground via the point 7 , the point 6 , and the point 5 , thereby forming a driving circuit for controlling the lifting mode.
  • a rotation direction of the DC motor in the lifting mode is opposite to a rotation direction of the DC motor in the lowering mode.
  • the lifting unit connected to the driving circuit for controlling the lifting mode lifts the lower container 32 when the SW 2 , the SW 3 , and the SW 4 are closed, that is, when an opening of the left upper container 18 - 1 , an opening of the right upper container 18 - 2 , and an opening of the upper door are not sensed.
  • the SW 6 is opened and thereby the power VCC is not supplied to the DC motor of the lifting unit any longer thus to stop the DC motor.
  • the SW 1 is opened and thereby the power VCC is not supplied to the DC motor of the lifting unit any longer thus to stop the DC motor.
  • the power VCC is not supplied to the DC motor of the lifting unit any longer thereby to stop the DC motor.
  • the container provided at a rear surface of the lower door of the refrigerator is automatically lifted or lowered by the user's simple switch pressing operation. According to this, the user's inconvenience caused when food is to be stored in the container or to be taken out from the container can be solved.
  • the circuit for automatically controlling the container provided at the rear surface of the lower door of the refrigerator to be lifted or lowered by the user's simple switch pressing operation is provided.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
US11/028,645 2004-11-09 2005-01-05 Apparatus for controlling container of refrigerator and method thereof Abandoned US20060096304A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040091031A KR100619757B1 (ko) 2004-11-09 2004-11-09 바스켓 승강장치를 구비한 냉장고 및 그 냉장고의 바스켓 승강장치의 제어방법
KR91031/2004 2004-11-09

Publications (1)

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US20060096304A1 true US20060096304A1 (en) 2006-05-11

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US11/028,645 Abandoned US20060096304A1 (en) 2004-11-09 2005-01-05 Apparatus for controlling container of refrigerator and method thereof

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US (1) US20060096304A1 (de)
EP (1) EP1655562A3 (de)
KR (1) KR100619757B1 (de)
CN (1) CN100404986C (de)
AU (1) AU2004242446B2 (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090193836A1 (en) * 2008-02-01 2009-08-06 Whirlpool Corporation Articulated freezer drawers
US20090243448A1 (en) * 2008-03-26 2009-10-01 Ok Sun Yu System and method for driving a drawer in a refrigerator
US20090248205A1 (en) * 2008-03-26 2009-10-01 Ok Sun Yu Controlling method for driving a drawer of a refrigerator
US20090241590A1 (en) * 2008-03-26 2009-10-01 Yong Hwan Eom System and method for driving a drawer of a refrigerator
US20090248207A1 (en) * 2008-03-26 2009-10-01 Yoo Myung Keun System and method for driving a drawer in a refrigerator
US20090241589A1 (en) * 2008-03-26 2009-10-01 Yoo Myung Keun Refrigerator
US20100236278A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling same
US20100236281A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling the same
US20100236279A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator
US20100236277A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling same
US20100236280A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator
US8217613B2 (en) 2008-03-26 2012-07-10 Lg Electronics Inc. System and method for driving a drawer of a refrigerator and refrigerator employing same
US8274251B2 (en) 2008-03-26 2012-09-25 Lg Electronics Inc. Refrigerator, system and method for driving a drawer of the refrigerator
US9107494B2 (en) 2013-03-14 2015-08-18 Electrolux Home Products, Inc. Refrigerator with a lift mechanism including at least one pivot arm
US9377238B2 (en) * 2013-03-14 2016-06-28 Electrolux Home Products, Inc. Refrigerator with a scissor-type lift mechanism

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JP6373653B2 (ja) * 2013-06-25 2018-08-15 東芝ライフスタイル株式会社 冷蔵庫

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US5082085A (en) * 1990-08-30 1992-01-21 Up-Right, Inc. Platform leveling apparatus
US5921104A (en) * 1996-12-16 1999-07-13 Samsung Electronics Co., Ltd. Cool air exhaling apparatus in enforced circulation type refrigerator and control method thereof
US6032480A (en) * 1997-04-18 2000-03-07 Samsung Electronics Co., Ltd. Refrigerator having a device for opening/closing cool air discharge ports
US20030173882A1 (en) * 2002-03-15 2003-09-18 Maytag Corporation Freezer drawer support assembly
US20050073225A1 (en) * 2003-10-04 2005-04-07 Yong-Choi Kwon Refrigerator
US20060066188A1 (en) * 2004-09-28 2006-03-30 Crawford John D Retractable storage system

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US2855262A (en) * 1954-01-19 1958-10-07 Gen Motors Corp Refrigerator storage tray
US3033636A (en) * 1960-12-19 1962-05-08 Gen Motors Corp Refrigerator shelving
US5082085A (en) * 1990-08-30 1992-01-21 Up-Right, Inc. Platform leveling apparatus
US5921104A (en) * 1996-12-16 1999-07-13 Samsung Electronics Co., Ltd. Cool air exhaling apparatus in enforced circulation type refrigerator and control method thereof
US6032480A (en) * 1997-04-18 2000-03-07 Samsung Electronics Co., Ltd. Refrigerator having a device for opening/closing cool air discharge ports
US20030173882A1 (en) * 2002-03-15 2003-09-18 Maytag Corporation Freezer drawer support assembly
US20050073225A1 (en) * 2003-10-04 2005-04-07 Yong-Choi Kwon Refrigerator
US20060066188A1 (en) * 2004-09-28 2006-03-30 Crawford John D Retractable storage system

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090193836A1 (en) * 2008-02-01 2009-08-06 Whirlpool Corporation Articulated freezer drawers
US8474928B2 (en) * 2008-02-01 2013-07-02 Whirlpool Corporation Articulated freezer drawers
US20120248958A1 (en) * 2008-02-01 2012-10-04 Whirlpool Corporation Articulated freezer drawers
US8231190B2 (en) 2008-02-01 2012-07-31 Whirlpool Corporation Articulated freezer drawers
US8169176B2 (en) * 2008-03-26 2012-05-01 Lg Electronics Inc. Controlling method for driving a drawer of a refrigerator
US8274251B2 (en) 2008-03-26 2012-09-25 Lg Electronics Inc. Refrigerator, system and method for driving a drawer of the refrigerator
USRE49754E1 (en) 2008-03-26 2023-12-12 Lg Electronics Inc. Refrigerator
US20090243448A1 (en) * 2008-03-26 2009-10-01 Ok Sun Yu System and method for driving a drawer in a refrigerator
US8305023B2 (en) 2008-03-26 2012-11-06 Lg Electronics Inc. System and method for driving a drawer of a refrigerator
US20090248205A1 (en) * 2008-03-26 2009-10-01 Ok Sun Yu Controlling method for driving a drawer of a refrigerator
US20090241589A1 (en) * 2008-03-26 2009-10-01 Yoo Myung Keun Refrigerator
US8074468B2 (en) 2008-03-26 2011-12-13 Lg Electronics Inc. Refrigerator
US8148932B2 (en) * 2008-03-26 2012-04-03 Lg Electronics Inc. System and method for driving a drawer in a refrigerator
US8169175B2 (en) * 2008-03-26 2012-05-01 Lg Electronics Inc. System and method for driving a drawer in a refrigerator
US20090248207A1 (en) * 2008-03-26 2009-10-01 Yoo Myung Keun System and method for driving a drawer in a refrigerator
US8217613B2 (en) 2008-03-26 2012-07-10 Lg Electronics Inc. System and method for driving a drawer of a refrigerator and refrigerator employing same
US20090241590A1 (en) * 2008-03-26 2009-10-01 Yong Hwan Eom System and method for driving a drawer of a refrigerator
US20100236280A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator
US20100236277A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling same
US20100236279A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator
US8395334B2 (en) 2009-03-20 2013-03-12 Lg Electronics Inc. Refrigerator
US20100236281A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling the same
US8476858B2 (en) 2009-03-20 2013-07-02 Lg Electronics Inc. Refrigerator and method for controlling same
US8497644B2 (en) 2009-03-20 2013-07-30 Lg Electronics Inc. Refrigerator and method for controlling the same
US8562087B2 (en) 2009-03-20 2013-10-22 Lg Electronics Inc. Refrigerator and method for controlling same
US20100236278A1 (en) * 2009-03-20 2010-09-23 Yong Hwan Eom Refrigerator and method for controlling same
US9107494B2 (en) 2013-03-14 2015-08-18 Electrolux Home Products, Inc. Refrigerator with a lift mechanism including at least one pivot arm
US9377238B2 (en) * 2013-03-14 2016-06-28 Electrolux Home Products, Inc. Refrigerator with a scissor-type lift mechanism

Also Published As

Publication number Publication date
AU2004242446A1 (en) 2006-05-25
KR100619757B1 (ko) 2006-09-07
CN1773202A (zh) 2006-05-17
EP1655562A3 (de) 2006-07-26
KR20060042449A (ko) 2006-05-15
AU2004242446B2 (en) 2007-01-18
CN100404986C (zh) 2008-07-23
EP1655562A2 (de) 2006-05-10

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