WO2009005310A2 - Floor hinge - Google Patents

Floor hinge Download PDF

Info

Publication number
WO2009005310A2
WO2009005310A2 PCT/KR2008/003920 KR2008003920W WO2009005310A2 WO 2009005310 A2 WO2009005310 A2 WO 2009005310A2 KR 2008003920 W KR2008003920 W KR 2008003920W WO 2009005310 A2 WO2009005310 A2 WO 2009005310A2
Authority
WO
WIPO (PCT)
Prior art keywords
spring
door
cylinder
turning unit
main body
Prior art date
Application number
PCT/KR2008/003920
Other languages
French (fr)
Other versions
WO2009005310A3 (en
Inventor
Yong Hwan Kim
Yeong Il Park
Byeong Mun Lim
Original Assignee
Lico. 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
Application filed by Lico. Ltd. filed Critical Lico. Ltd.
Publication of WO2009005310A2 publication Critical patent/WO2009005310A2/en
Publication of WO2009005310A3 publication Critical patent/WO2009005310A3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/104—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with cam-and-slide transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/225—Additional arrangements for closers, e.g. for holding the wing in opened or other position mounted at the bottom of wings, e.g. details related to seals, covers, connections to the wings, embedding in the floor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E05Y2201/458—Valves
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/12—Sealing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/25—Emergency conditions
    • E05Y2800/252—Emergency conditions the elements functioning only in case of emergency
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/26—Form or shape
    • E05Y2800/28—Form or shape tubular, annular
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the present invention relates to a floor hinge coupled and mounted to one side of a bottom where a door is opened or closed, and more particularly, to a floor hinge, which keeps constant a speed of closing the door constant when the door is being closed, and prevents the hinge from being damaged to make preparation against a failure of an oil pressure due to an excessive pressure applied toward a direction of closing the door.
  • a door that can be closed or opened in one direction or both directions is generally mounted at an entrance of a building, which has a hinge assembly that is opened by an external force and then turns back to its originally closed position by means of its elastic force.
  • Hinge assemblies in the form of hinge are typically and widely are laid on a central portion of the door, or are laid in the floor below the door.
  • the hinge assembly laid in the floor is referred to as a floor hinge.
  • Such a floor hinge has a hinge axis that is coupled to a lower end of the door and turns within a longitudinal casing.
  • a piston that advances or retreats depending on the turning of the hinge axis is coupled to a piston rod and is disposed long along one direction, and the piston rod has a mount-type return spring fit thereto.
  • the present invention is directed to a floor hinge, which includes: a rectangular- shaped main body 10 having a space portion; a cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 and having a first spring 12 inside; an anti-deviation cover 16 for preventing the first spring 12 of the cylinder 14 from being deviated; a weight-shaped turning unit 20 diagonally disposed to be rotatable at the other corner of the main body 10 by means of a hinge axis 18, one end of the turning unit being in surface contact with the first spring 12 of the cylinder 14; a second spring 22 mounted within the turning unit 20; a roller guide 24 mounted within the second spring 22 for opening or closing a door; an oil guide 26 coupled with the second spring 22 for aiding the roller guide 24 to slowly turn when the door is being closed; and an arc-shaped turning guide 28 disposed along an inner circumferential surface of the main body and aiding the turning unit to turn when the turning unit turns.
  • a speed of closing a door can be kept slowly to prevent an object or a part of a human body from being stuck between the door and the doorframe.
  • the hinge can be prevented from being damaged to make preparation against a failure of an oil pressure due to an excessive pressure applied toward a direction of closing the door.
  • FIG. 1 illustrates a floor hinge according to the present invention.
  • FIG. 2 is a plan diagram illustrating essential parts of a floor hinge according to the present invention.
  • FIG. 3 is a side diagram illustrating essential parts of a floor hinge according to the present invention.
  • FIG. 4 is a diagram illustrating operations of essential parts of a floor hinge according to the present invention.
  • FIG. 5 illustrates a cross-sectional diagram (b) of an excessive-pressure resistant oil guide mounted at a position B-B of a floor hinge B according to the present invention.
  • FIG. 1 illustrates a floor hinge according to the present invention
  • FIG. 2 is a plan diagram illustrating essential parts of a floor hinge according to the present invention
  • FIG. 3 is a side diagram illustrating essential parts of a floor hinge according to the present invention
  • FIG. 4 is a diagram illustrating operations of essential parts of a floor hinge according to the present invention.
  • the floor hinge includes: a rectangular-shaped main body 10 having a space portion; a cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 and having a first spring 12 inside; an anti-deviation cover 16 for preventing the first spring 12 of the cylinder 14 from being deviated; a weight-shaped turning unit 20 diagonally disposed to be rotatable at the other corner of the main body 10 by means of a hinge axis 18, one end of the turning unit being in surface contact with the first spring 12 of the cylinder 14; a second spring 22 mounted within the turning unit 20; a roller guide 24 mounted within the second spring 22 for opening or closing a door and a roller 36 disposed between the roller guide 24 and the main body 10; an oil guide 26 coupled with the second spring 22 for aiding the roller guide 24 to slowly turn when the door is being closed; and an arc-shaped turning guide 28 disposed along an inner circumferential surface of the main body and converting linear motion to
  • the roller guide 24 disposed within the second spring 22 compresses the second spring when the door is being opened and uses an elastic energy of the compressed second spring to help the door closed when the door is being closed.
  • the oil guide 26 is coupled to the second spring 22, and allows the roller guide 24 to turn while the oil is pushed by the cylinder 14 operating by means of the turning unit 20 when the door is being closed.
  • a speed adjustment valve 34 for adjusting a speed of the door being closed is preferably disposed on the oil guide 26 (see FIG. 5).
  • a permanent magnet 13 for collecting iron powders resulting from friction is disposed at a position where the oil flows within the cylinder 14.
  • Reference numerals 30 and 32 denote bearings, 33 sealing, and 38 pin.
  • the floor hinge is first mounted at a side of a bottom where the door is opened or closed, and then a hinge axis 18 of the floor hinge is coupled to a lower surface of one side of the door.
  • the cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 is in contact with the turning unit 20 by means of a restitution force of the a first spring 12.
  • the cylinder in contact with the turning unit 20 is pushed back by the turning unit 20 of the hinge axis to push the oil within the cylinder 14, for which the speed adjustment vale for adjusting an amount of oil flow is employed to adjust the turning speed of the hinge axis 18.
  • the oil guide 26 it is preferable for the oil guide 26 to further have an excessive-pressure resistant oil guide 27 when an excessive amount of oil flow temporarily occurs. Particularly, when an excessive amount of oil flow occurs as shown in FIG.
  • the preferred excessive-pressure resistant oil guide of the present invention allows the ball valve 42 disposed within the excessive-pressure resistant oil guide 27 to compress the spring 44 up to a first oil distribution tube 46 so that the excessive amount of oil flow are distributed to the first oil distribution tube 46 coupled within the cylinder and a second oil distribution tube 48 coupled behind the cylinder, thereby preventing the hinge from being damaged.
  • a permanent magnet 13 for collecting iron powders resulting from friction is disposed at a position where the oil flows within the cylinder 14.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The present invention relates to a floor hinge which keeps constant a speed of closing the door, and prevents the hinge from being damaged to make preparation against a failure of an oil pressure. The floor hinge includes: a main body (10); a cylinder (14) having a first spring (12) inside; an anti-deviation cover (16) for preventing the first spring (12) of the cylinder (14) from being deviated; a weight- shaped turning unit (20) disposed at the other corner of the main body (10); a second spring (22) mounted within the turning unit (20); a roller guide (24) for opening or closing a door; an oil guide (26) for aiding the roller guide (24) to slowly turn; and an arc-shaped turning guide (28) disposed along an inner circumferential surface of the main body and aiding the turning unit to turn.

Description

Description FLOOR HINGE
Technical Field
[1] The present invention relates to a floor hinge coupled and mounted to one side of a bottom where a door is opened or closed, and more particularly, to a floor hinge, which keeps constant a speed of closing the door constant when the door is being closed, and prevents the hinge from being damaged to make preparation against a failure of an oil pressure due to an excessive pressure applied toward a direction of closing the door. Background Art
[2] A door that can be closed or opened in one direction or both directions is generally mounted at an entrance of a building, which has a hinge assembly that is opened by an external force and then turns back to its originally closed position by means of its elastic force.
[3] Hinge assemblies in the form of hinge are typically and widely are laid on a central portion of the door, or are laid in the floor below the door. The hinge assembly laid in the floor is referred to as a floor hinge.
[4] Such a floor hinge has a hinge axis that is coupled to a lower end of the door and turns within a longitudinal casing. A piston that advances or retreats depending on the turning of the hinge axis is coupled to a piston rod and is disposed long along one direction, and the piston rod has a mount-type return spring fit thereto.
[5] However, according to the conventional floor hinge, the door cannot be slowly opened or closed when an excessive force is applied to the door.
[6] As a result, the door often tends to be rapidly closed, which thus brings damage to an object or a part of human body stuck between the door and the doorframe. Disclosure of Invention Technical Problem
[7] It is therefore an object of the present invention to provide a floor hinge, which is coupled and mounted to one side of a bottom where a door is opened or closed, keeps a speed of closing the door constant when the door is being closed, and prevents the hinge from being damaged to make preparation against a failure of an oil pressure due to an excessive pressure applied toward a direction of closing the door. Technical Solution
[8] In one aspect, the present invention is directed to a floor hinge, which includes: a rectangular- shaped main body 10 having a space portion; a cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 and having a first spring 12 inside; an anti-deviation cover 16 for preventing the first spring 12 of the cylinder 14 from being deviated; a weight-shaped turning unit 20 diagonally disposed to be rotatable at the other corner of the main body 10 by means of a hinge axis 18, one end of the turning unit being in surface contact with the first spring 12 of the cylinder 14; a second spring 22 mounted within the turning unit 20; a roller guide 24 mounted within the second spring 22 for opening or closing a door; an oil guide 26 coupled with the second spring 22 for aiding the roller guide 24 to slowly turn when the door is being closed; and an arc-shaped turning guide 28 disposed along an inner circumferential surface of the main body and aiding the turning unit to turn when the turning unit turns.
Advantageous Effects
[9] According to the present invention as described above, a speed of closing a door can be kept slowly to prevent an object or a part of a human body from being stuck between the door and the doorframe. In addition, the hinge can be prevented from being damaged to make preparation against a failure of an oil pressure due to an excessive pressure applied toward a direction of closing the door.
[10] In addition, when a cylinder acts to push the oil by aid of a weight-shaped turning unit while the door is closed, a cross-sectional area of a path where the oil flows can be increased or decreased so that a turning speed of a hinge axis can be adjusted. Brief Description of the Drawings
[11] FIG. 1 illustrates a floor hinge according to the present invention.
[12] FIG. 2 is a plan diagram illustrating essential parts of a floor hinge according to the present invention.
[13] FIG. 3 is a side diagram illustrating essential parts of a floor hinge according to the present invention.
[14] FIG. 4 is a diagram illustrating operations of essential parts of a floor hinge according to the present invention.
[15] FIG. 5 illustrates a cross-sectional diagram (b) of an excessive-pressure resistant oil guide mounted at a position B-B of a floor hinge B according to the present invention. Best Mode for Carrying Out the Invention
[16] Hereinafter, a floor hinge according to preferred embodiments of the present invention will be described with reference to accompanying drawings.
[17] FIG. 1 illustrates a floor hinge according to the present invention, FIG. 2 is a plan diagram illustrating essential parts of a floor hinge according to the present invention, FIG. 3 is a side diagram illustrating essential parts of a floor hinge according to the present invention, and FIG. 4 is a diagram illustrating operations of essential parts of a floor hinge according to the present invention.
[18] As shown in FIGS. 1 to 4, the floor hinge according to the present invention includes: a rectangular-shaped main body 10 having a space portion; a cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 and having a first spring 12 inside; an anti-deviation cover 16 for preventing the first spring 12 of the cylinder 14 from being deviated; a weight-shaped turning unit 20 diagonally disposed to be rotatable at the other corner of the main body 10 by means of a hinge axis 18, one end of the turning unit being in surface contact with the first spring 12 of the cylinder 14; a second spring 22 mounted within the turning unit 20; a roller guide 24 mounted within the second spring 22 for opening or closing a door and a roller 36 disposed between the roller guide 24 and the main body 10; an oil guide 26 coupled with the second spring 22 for aiding the roller guide 24 to slowly turn when the door is being closed; and an arc-shaped turning guide 28 disposed along an inner circumferential surface of the main body and converting linear motion to rotary motion to aid the turning unit to turn when the turning unit turns. Particularly, the cylinder 14 has the first spring 12 inside, and one end of the weight-shaped turning unit 20 is in surface contact with the first spring 12 of the cylinder 14.
[19] The roller guide 24 disposed within the second spring 22 compresses the second spring when the door is being opened and uses an elastic energy of the compressed second spring to help the door closed when the door is being closed.
[20] In addition, the oil guide 26 is coupled to the second spring 22, and allows the roller guide 24 to turn while the oil is pushed by the cylinder 14 operating by means of the turning unit 20 when the door is being closed.
[21] A speed adjustment valve 34 for adjusting a speed of the door being closed is preferably disposed on the oil guide 26 (see FIG. 5).
[22] A permanent magnet 13 for collecting iron powders resulting from friction is disposed at a position where the oil flows within the cylinder 14.
[23] Reference numerals 30 and 32 denote bearings, 33 sealing, and 38 pin.
[24] Operations of the floor hinge configured as described above will now be described with reference to FIG. 4.
[25] The floor hinge is first mounted at a side of a bottom where the door is opened or closed, and then a hinge axis 18 of the floor hinge is coupled to a lower surface of one side of the door.
[26] In this case, when the door is opened, the hinge axis 18 of the floor hinge turns.
[27] As the hinge axis 18 turns, the roller 36 assembled with the weight-shaped turning unit 20 disposed diagonally at the other corner of the main body 10 rolls along an inner circumferential surface of the arc-shaped turning guide 28.
[28] At this time, the cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 is in contact with the turning unit 20 by means of a restitution force of the a first spring 12. In addition, when the door is being closed, the cylinder in contact with the turning unit 20 is pushed back by the turning unit 20 of the hinge axis to push the oil within the cylinder 14, for which the speed adjustment vale for adjusting an amount of oil flow is employed to adjust the turning speed of the hinge axis 18. When a user applies an excessive force to the door, it is preferable for the oil guide 26 to further have an excessive-pressure resistant oil guide 27 when an excessive amount of oil flow temporarily occurs. Particularly, when an excessive amount of oil flow occurs as shown in FIG. 5, the preferred excessive-pressure resistant oil guide of the present invention allows the ball valve 42 disposed within the excessive-pressure resistant oil guide 27 to compress the spring 44 up to a first oil distribution tube 46 so that the excessive amount of oil flow are distributed to the first oil distribution tube 46 coupled within the cylinder and a second oil distribution tube 48 coupled behind the cylinder, thereby preventing the hinge from being damaged.
[29] In the meantime, a permanent magnet 13 for collecting iron powders resulting from friction is disposed at a position where the oil flows within the cylinder 14.

Claims

Claims
[ 1 ] A floor hinge comprising: a rectangular-shaped main body 10 having a space portion; a cylinder 14 disposed diagonally with a predetermined length at one corner of the main body 10 and having a first spring 12 inside; an anti-deviation cover 16 for preventing the first spring 12 of the cylinder 14 from being deviated; a weight-shaped turning unit 20 diagonally disposed to be rotatable at the other corner of the main body 10 by means of a hinge axis 18, one end of the turning unit being in surface contact with the first spring 12 of the cylinder 14; a second spring 22 mounted within the turning unit 20; a roller guide 24 mounted within the second spring 22 for opening or closing a door; an oil guide 26 coupled with the second spring 22 for aiding the roller guide 24 to slowly turn when the door is being closed; and an arc-shaped turning guide 28 disposed along an inner circumferential surface of the main body and aiding the turning unit to turn when the turning unit turns. [2] The floor hinge according to claim 1, wherein a permanent magnet 13 for collecting iron powder resulting from friction is disposed at a position where the oil flows within the cylinder 14. [3] The floor hinge according to claim 1, wherein a speed adjustment valve 34 for adjusting a speed of the door being closed is disposed on the oil guide 26. [4] The floor hinge according to claim 1, wherein an excessive-pressure resistant oil guide 27 for distributing the oil when an excessive amount of the oil flows is further disposed along with the oil guide 26 in the cylinder 14.
PCT/KR2008/003920 2007-07-03 2008-07-03 Floor hinge WO2009005310A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070066533A KR100808627B1 (en) 2007-07-03 2007-07-03 Floor hinge
KR10-2007-0066533 2007-07-03

Publications (2)

Publication Number Publication Date
WO2009005310A2 true WO2009005310A2 (en) 2009-01-08
WO2009005310A3 WO2009005310A3 (en) 2009-02-26

Family

ID=39383661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/003920 WO2009005310A2 (en) 2007-07-03 2008-07-03 Floor hinge

Country Status (2)

Country Link
KR (1) KR100808627B1 (en)
WO (1) WO2009005310A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103827430A (en) * 2011-09-27 2014-05-28 多玛两合有限公司 Door-actuating device and method for producing a cover for a door-actuating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166877A (en) * 2017-12-27 2018-06-15 武汉科技大学 One kind is based on vane type oscillating oil cylinder door closer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0355376A (en) * 1989-07-21 1991-03-11 Ryobi Ltd Door closer
KR0158537B1 (en) * 1996-07-26 1999-01-15 황천익 Liquid floor hinge with separated cylinder
KR100449590B1 (en) * 2001-11-07 2004-10-01 손제익 control structure of spinning power about openning and colsing device of the door
KR100511777B1 (en) * 2002-12-26 2005-09-02 신희범 Floor hinge for a door

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR820000812Y1 (en) * 1981-06-30 1982-04-24 류대영 Door hinge
KR930001034Y1 (en) * 1990-06-12 1993-03-08 주식회사 명성기계 Back check device in floor hinge

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0355376A (en) * 1989-07-21 1991-03-11 Ryobi Ltd Door closer
KR0158537B1 (en) * 1996-07-26 1999-01-15 황천익 Liquid floor hinge with separated cylinder
KR100449590B1 (en) * 2001-11-07 2004-10-01 손제익 control structure of spinning power about openning and colsing device of the door
KR100511777B1 (en) * 2002-12-26 2005-09-02 신희범 Floor hinge for a door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103827430A (en) * 2011-09-27 2014-05-28 多玛两合有限公司 Door-actuating device and method for producing a cover for a door-actuating device

Also Published As

Publication number Publication date
WO2009005310A3 (en) 2009-02-26
KR100808627B1 (en) 2008-02-29

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