EP0166285A3 - Automatic door closer - Google Patents

Automatic door closer Download PDF

Info

Publication number
EP0166285A3
EP0166285A3 EP85107093A EP85107093A EP0166285A3 EP 0166285 A3 EP0166285 A3 EP 0166285A3 EP 85107093 A EP85107093 A EP 85107093A EP 85107093 A EP85107093 A EP 85107093A EP 0166285 A3 EP0166285 A3 EP 0166285A3
Authority
EP
European Patent Office
Prior art keywords
automatic door
door closer
closer
automatic
door
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.)
Granted
Application number
EP85107093A
Other languages
German (de)
Other versions
EP0166285A2 (en
EP0166285B1 (en
Inventor
Horst Tillmann
Giselher Sieg
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.)
Dorma Baubeschlag GmbH and Co KG
Original Assignee
Dorma Baubeschlag GmbH and Co KG
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 Dorma Baubeschlag GmbH and Co KG filed Critical Dorma Baubeschlag GmbH and Co KG
Publication of EP0166285A2 publication Critical patent/EP0166285A2/en
Publication of EP0166285A3 publication Critical patent/EP0166285A3/en
Application granted granted Critical
Publication of EP0166285B1 publication Critical patent/EP0166285B1/en
Expired legal-status Critical Current

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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/002—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means
    • E05F1/006—Closers or openers for wings, not otherwise provided for in this subclass controlled by automatically acting means by emergency conditions, e.g. fire
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • 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
    • E05F3/102—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 rack-and-pinion 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
    • E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
    • E05F3/224—Additional arrangements for closers, e.g. for holding the wing in opened or other position for assisting in opening the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/252—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of friction
    • E05Y2201/254—Fluid or viscous friction
    • E05Y2201/256—Fluid or viscous friction with pistons or vanes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/20—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore
    • E05Y2201/262—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion
    • E05Y2201/264—Brakes; Disengaging means, e.g. clutches; Holders, e.g. locks; Stops; Accessories therefore characterised by type of motion linear
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/41—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for closing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/45—Control modes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/11—Manual wing operation
    • E05Y2800/112—Back driving the transmission or motor
    • E05Y2800/113—Power assistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/205—Combinations of elements forming a unit
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/21—Combinations of elements of identical elements, e.g. of identical compression springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20—Combinations of elements
    • E05Y2800/22—Combinations of elements of not identical elements of the same category, e.g. combinations of not identical springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • 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—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors
    • 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
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/09—Hydraulic actuated checks, closers
    • 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
    • Y10S16/00—Miscellaneous hardware, e.g. bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance
    • Y10S16/10—Spring actuated checks and closers
EP85107093A 1984-06-23 1985-06-08 Automatic door closer Expired EP0166285B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3423242 1984-06-23
DE3423242A DE3423242C1 (en) 1984-06-23 1984-06-23 Automatic door closer

Publications (3)

Publication Number Publication Date
EP0166285A2 EP0166285A2 (en) 1986-01-02
EP0166285A3 true EP0166285A3 (en) 1986-06-11
EP0166285B1 EP0166285B1 (en) 1988-07-27

Family

ID=6239003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85107093A Expired EP0166285B1 (en) 1984-06-23 1985-06-08 Automatic door closer

Country Status (3)

Country Link
US (1) US4660250A (en)
EP (1) EP0166285B1 (en)
DE (1) DE3423242C1 (en)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8618668D0 (en) * 1986-07-31 1986-09-10 Nouveaux Security Products Ltd Door operating mechanism
JPH0450388Y2 (en) * 1987-02-04 1992-11-27
US4937913A (en) * 1987-12-12 1990-07-03 Dorma Gmbh & Co. Kg. Door closer
DE3742213C2 (en) * 1987-12-12 1995-03-30 Dorma Gmbh & Co Kg Door closer with a closer shaft loaded by a spring arrangement in the closing direction
KR930001035Y1 (en) * 1990-07-31 1993-03-08 주식회사 동광 Door closer
US5239778A (en) * 1992-03-24 1993-08-31 Mth Industries Modular door control apparatus with quick release connection
DE4224132C2 (en) * 1992-07-22 2002-11-14 Stabilus Gmbh Door locking system
DE4237179C2 (en) * 1992-11-04 2002-01-31 Geze Gmbh door closers
DE4323150B4 (en) * 1993-07-10 2004-09-23 Geze Gmbh Swing door drive
EP0733763B1 (en) * 1995-03-21 2000-08-16 GEZE GmbH Door closer
US5651162A (en) * 1996-01-04 1997-07-29 Keszthelyi; Laszlo Hydraulic door control system
US5850671A (en) * 1996-03-01 1998-12-22 Geze Gmbh & Co. Door closer
DE19607878B4 (en) * 1996-03-01 2007-07-19 Geze Gmbh Swing door drive
ATE331112T1 (en) * 1999-02-04 2006-07-15 Stanley Works AUTOMATIC DOOR ARRANGEMENT AND AUTOMATIC DOOR OPERATOR THEREFOR
SE516025C2 (en) 1999-05-04 2001-11-12 Besam Ab Control device for doors, gates and similar elements
US6640387B2 (en) 1999-12-28 2003-11-04 Ricardo Alonso Damper assembly that opts to open doors for usage with reciprocating door closer devices
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
CN1291127C (en) 2002-03-01 2006-12-20 盖慈有限公司 Transfer mechanism
DE10261224B3 (en) * 2002-12-20 2004-05-13 Dorma Gmbh + Co. Kg Electrohydraulic door operating drive with open holding function provided by hydraulically-controlled valve with 2/2-way valve and non-return valve
DE10300822A1 (en) * 2003-01-10 2004-08-05 Dorma Gmbh + Co. Kg Door drive
DE10324127C5 (en) * 2003-06-03 2011-04-28 Dorma Gmbh + Co. Kg Hydraulic door drive
GB2415014B (en) * 2004-06-12 2008-10-22 Heath Samuel & Sons Plc Door closer
GB2415463B (en) * 2004-06-26 2008-05-28 Jebron Ltd Door closer
US7316096B2 (en) * 2004-06-30 2008-01-08 Yale Security Inc. Door operator
US20060021189A1 (en) * 2004-07-30 2006-02-02 Johnson Loring M Door closer
DE102004061620B3 (en) * 2004-12-17 2006-06-14 Dorma Gmbh + Co. Kg Door drive, in particular swing door drive
DE102004061619C5 (en) * 2004-12-17 2011-09-29 Dorma Gmbh + Co. Kg Door drive, in particular swing door drive
DE102004061624C5 (en) * 2004-12-17 2011-02-03 Dorma Gmbh + Co. Kg Door drive, in particular revolving door anti-theft
DE102004061630C5 (en) * 2004-12-17 2015-12-24 Dorma Deutschland Gmbh Door drive, in particular swing door drive
DE102004061626B4 (en) * 2004-12-17 2008-09-11 Dorma Gmbh + Co. Kg Door drive, in particular swing door drive
DE102004061628B4 (en) * 2004-12-17 2008-12-04 Dorma Gmbh + Co. Kg Door drive, in particular swing door drive
DE102004061627B4 (en) * 2004-12-17 2007-02-01 Dorma Gmbh + Co. Kg door closers
JP4784813B2 (en) * 2004-12-21 2011-10-05 日本発條株式会社 Door closer
KR100761904B1 (en) * 2006-08-08 2007-09-28 주식회사 아이원이노텍 Hinge apparatus having automatic return function for use in building materials
ES2529337T3 (en) * 2007-04-10 2015-02-19 Wabtec Holding Corp. Damping system for differential motor pneumatic cylinder
CA2842521C (en) 2007-04-24 2017-03-07 Yale Security Inc. Door closer assembly
US8291644B2 (en) * 2007-05-03 2012-10-23 Wabtec Holding Corp. Locking mechanism for pneumatic differential engine for power-operated doors
EP2217076A1 (en) * 2007-11-28 2010-08-18 Steve Hoffman Pressurized cooking oven
US8261491B2 (en) 2008-04-02 2012-09-11 Leon Yulkowski Concealed electrical door operator
WO2009140705A2 (en) * 2008-05-19 2009-11-26 Helmut Katherl Device for the independent adjustment of a leaf of a window or of a door with a spring-load device
US8653982B2 (en) 2009-07-21 2014-02-18 Openings Door monitoring system
KR101179525B1 (en) * 2009-11-27 2012-09-03 길석면 The Hinge Device with Closer Function
DE102010022048B4 (en) * 2009-12-01 2022-10-13 Dormakaba Deutschland Gmbh Door closer with spring-back prevention device
US8182023B2 (en) * 2010-03-16 2012-05-22 Sabic Innovative Plastics Ip B.V. Plastically deformable spring energy management systems and methods for making and using the same
US9163446B2 (en) * 2010-03-17 2015-10-20 Yale Security Inc. Door control apparatus
US8564235B2 (en) 2010-04-16 2013-10-22 Yale Security Inc. Self-adjusting door closer
US8779713B2 (en) 2010-04-16 2014-07-15 Yale Security Inc. Door closer with dynamically adjustable latch region parameters
US8547046B2 (en) 2010-04-16 2013-10-01 Yale Security Inc. Door closer with self-powered control unit
US8527101B2 (en) 2010-04-16 2013-09-03 Yale Security Inc. Door closer assembly
US8415902B2 (en) 2010-04-16 2013-04-09 Yale Security Inc. Door closer with calibration mode
US8773237B2 (en) 2010-04-16 2014-07-08 Yale Security Inc. Door closer with teach mode
DE202010009186U1 (en) * 2010-06-17 2011-11-07 Kiekert Ag door unit
CN102287109A (en) * 2011-06-22 2011-12-21 肇庆市志盛门控五金有限公司 Door closer with door opening delay function
US8613126B2 (en) * 2011-10-07 2013-12-24 William Edward Blockley Hydraulic door closure apparatus with boost
WO2013170466A1 (en) * 2012-05-17 2013-11-21 Xiao Yousong Hinge used for horizontal, upward opening door
KR101418581B1 (en) * 2012-12-03 2014-07-10 (주) 다원에스디에스 Door closure including unit adding subsidiary force to close door
KR101418582B1 (en) * 2012-12-03 2014-07-10 (주) 다원에스디에스 Door closure
JP5907917B2 (en) * 2013-03-18 2016-04-26 三菱電機ビルテクノサービス株式会社 Door closer
US9538776B2 (en) 2013-04-27 2017-01-10 KitchenTek, LLC Pressurized oven assembly
KR101475927B1 (en) * 2013-06-19 2014-12-23 (주)새한 하드웨어 floor hinge with rack gear mechanism
US9169905B1 (en) * 2014-02-13 2015-10-27 Lift-U, Division Of Hogan Mfg., Inc. Drive assembly with override mechanism
US9702176B2 (en) 2014-07-07 2017-07-11 Itt Manufacturing Enterprises Llc Spring loaded actuator assembly
US9651130B2 (en) * 2014-07-30 2017-05-16 Td Ip Holdco, Llc Gear assembly with spiral gears
US10378262B2 (en) 2014-10-23 2019-08-13 Leon Yulkowski Door operator and clutch
CN104989209B (en) * 2014-12-01 2016-07-13 上海品贵国际贸易有限公司 Tool speed adjusts the arbor automatic homing device of function
WO2016098920A1 (en) * 2014-12-16 2016-06-23 (주)새한 하드웨어 Floor hinge employing rack gear driving method
US11105135B2 (en) 2015-12-31 2021-08-31 Larson Manufacturing Company Of South Dakota, Llc Hydraulic door closer with fluid overflow chamber
US10370885B1 (en) 2015-12-31 2019-08-06 Larson Manufacturing Company Of South Dakota Hydraulic door closer with fluid overflow chamber
CN205400375U (en) * 2016-01-05 2016-07-27 希美克(广州)实业有限公司 Hydraulic pressure door closer with high temperature decompression function
DE102016210598A1 (en) * 2016-06-15 2018-01-04 Geze Gmbh DRIVE FOR A DOOR OR WINDOW WING
AU2018222981B2 (en) 2017-09-01 2024-03-14 Enerpac Tool Group Corp. Hybrid spring for a hydraulic cylinder
DE102018210278B4 (en) * 2018-06-25 2021-03-18 Geze Gmbh Hydraulic, damped drive for a door or window sash
US10961760B2 (en) * 2019-02-08 2021-03-30 Schlage Lock Company Llc Door closer with backout prevention
CN109882015B (en) * 2019-04-03 2021-01-12 亚萨合莱自动门系统有限公司 Automatic door opener
US20230272661A1 (en) * 2022-02-25 2023-08-31 Overhead Door Corporation Swing door operator
DE102022205037A1 (en) * 2022-05-20 2023-11-23 Geze Gmbh Door drive

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DE3003741A1 (en) * 1979-02-01 1980-08-14 Waertsilae Oy Ab DOOR OPERATING ARRANGEMENT
US4339843A (en) * 1978-03-20 1982-07-20 Reading-Dorma Closer Corporation Door closer with assist or door operating features
DE3234319A1 (en) * 1982-09-16 1984-03-22 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Automatic door closer

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US4378612A (en) * 1981-03-16 1983-04-05 Schlage Lock Company Door closer delayed action speed control system
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US4580365A (en) * 1983-11-28 1986-04-08 Dorma-Baubeschlag Gmbh & Co. Kg Automatic door lock

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US4339843A (en) * 1978-03-20 1982-07-20 Reading-Dorma Closer Corporation Door closer with assist or door operating features
DE3003741A1 (en) * 1979-02-01 1980-08-14 Waertsilae Oy Ab DOOR OPERATING ARRANGEMENT
DE3234319A1 (en) * 1982-09-16 1984-03-22 Dorma-Baubeschlag Gmbh & Co Kg, 5828 Ennepetal Automatic door closer

Also Published As

Publication number Publication date
EP0166285A2 (en) 1986-01-02
EP0166285B1 (en) 1988-07-27
US4660250A (en) 1987-04-28
DE3423242C1 (en) 1985-11-07

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