DE3342990A1 - Freigebbare offenhalteeinrichtung fuer tuerschliesser - Google Patents

Freigebbare offenhalteeinrichtung fuer tuerschliesser

Info

Publication number
DE3342990A1
DE3342990A1 DE3342990A DE3342990A DE3342990A1 DE 3342990 A1 DE3342990 A1 DE 3342990A1 DE 3342990 A DE3342990 A DE 3342990A DE 3342990 A DE3342990 A DE 3342990A DE 3342990 A1 DE3342990 A1 DE 3342990A1
Authority
DE
Germany
Prior art keywords
holding device
door closers
releasable open
releasable
open
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.)
Withdrawn
Application number
DE3342990A
Other languages
English (en)
Inventor
William L Downey
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.)
Schlage Lock Co LLC
Original Assignee
Schlage Lock Co LLC
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 Schlage Lock Co LLC filed Critical Schlage Lock Co LLC
Publication of DE3342990A1 publication Critical patent/DE3342990A1/de
Withdrawn legal-status Critical Current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
    • 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
    • E05F3/221—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones
    • E05F3/222—Mechanical power-locks, e.g. for holding the wing open or for free-moving zones electrically operated
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/24—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member
    • E05C17/28—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted at one end, and with the other end running along a guide member with braking, clamping or securing means at the connection to the guide member
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • 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
    • E05F2003/228—Arrangements where the end of the closer arm is sliding in a track
    • 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
    • E05F2015/631—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms the end of the arm sliding in a track; Slider arms therefor
    • 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
    • E05Y2201/46—Magnets
    • 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
    • E05Y2201/46—Magnets
    • E05Y2201/462—Electromagnets
    • 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
    • E05Y2201/47—Springs
    • E05Y2201/474—Compression springs
    • 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
    • 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
    • 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
    • Y10S16/14—Magnetic hinge
    • 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
    • Y10S16/17—Checks and closers, holding means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Vending Machines For Individual Products (AREA)
DE3342990A 1983-07-18 1983-11-28 Freigebbare offenhalteeinrichtung fuer tuerschliesser Withdrawn DE3342990A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/514,636 US4506407A (en) 1983-07-18 1983-07-18 Releasable hold-open device for a door closer

Publications (1)

Publication Number Publication Date
DE3342990A1 true DE3342990A1 (de) 1985-01-31

Family

ID=24048064

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3342990A Withdrawn DE3342990A1 (de) 1983-07-18 1983-11-28 Freigebbare offenhalteeinrichtung fuer tuerschliesser

Country Status (4)

Country Link
US (1) US4506407A (de)
JP (1) JPS6026787A (de)
DE (1) DE3342990A1 (de)
GB (1) GB2143579A (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427609A1 (de) * 1984-07-26 1986-02-06 Ryobi Ltd., Fuchu, Hiroshima Vorrichtung zum schliessen einer feuersicheren tuer
DE3537785A1 (de) * 1985-08-10 1987-03-19 Schulte Schlagbaum Ag Schloss mit elektromagnetisch gesteuerter schliessfunktion
DE4237179C2 (de) * 1992-11-04 2002-01-31 Geze Gmbh Türschließer
AT412411B (de) * 1996-02-21 2005-02-25 Dorma Gmbh & Co Kg Elektromechanische feststellvorrichtung für türflügel mit einem türschliesser

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* Cited by examiner, † Cited by third party
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US4598494A (en) * 1984-08-06 1986-07-08 Ryobi Ltd. Apparatus for closing fireproof doors
DE3433891A1 (de) * 1984-09-14 1986-03-27 Geze Gmbh, 7250 Leonberg Feststellvorrichtung fuer tuerschliesser
US4881139A (en) * 1985-01-25 1989-11-14 Priam Corporation Latch mechanism for rotary actuator and the like
US4801163A (en) * 1986-09-02 1989-01-31 Emhart Industries Inc. Exit device actuator and dogger
US4803754A (en) * 1987-05-05 1989-02-14 Conrac Corporation Electromechanical door holder-closer
US4878265A (en) * 1988-09-07 1989-11-07 Dorma Door Controls, Inc. Hold-open mechanism for use with a door closer
US4922806A (en) * 1989-05-02 1990-05-08 Gpac, Inc. Doors for negative air pressure enclosure
US5360372A (en) * 1989-05-02 1994-11-01 Gpac, Inc. Control system for doors of a negative air pressure enclosure
US5044680A (en) * 1989-10-04 1991-09-03 Motus Incorporated Door holder power supply access member
US5072973A (en) * 1989-10-04 1991-12-17 Motus Incorporated Door hold open device
US5311642A (en) * 1990-02-20 1994-05-17 Dorma Gmbh + Co. Kg Door closer with a detent for holding a door open and the detent therefor
CA2091180C (en) * 1990-09-05 1999-03-23 Robert C. Gudgel Power conserving door holder
US5169185A (en) * 1991-01-25 1992-12-08 Republic Industries, Inc. Panic exit device featuring improved bar movement and fail safe dogging
US5426819A (en) * 1991-11-25 1995-06-27 Rohn; William B. Door holding method and apparatus
US5340171A (en) * 1992-01-22 1994-08-23 Republic Industries, Inc. Door latch control apparatus with independent actuators
US5239778A (en) * 1992-03-24 1993-08-31 Mth Industries Modular door control apparatus with quick release connection
US5461754A (en) * 1992-08-17 1995-10-31 Dorma Gmbh + Co. Kg Door closer with a detent for holding a door open and the detent therefor
US5293666A (en) * 1992-09-28 1994-03-15 Armstrong Richard W Delayed action door holder
US5484176A (en) * 1994-05-20 1996-01-16 Motus, Inc. Latch mechanism
US5507120A (en) * 1995-05-30 1996-04-16 Schlage Lock Company Track driven power door operator
US5829097A (en) * 1996-05-24 1998-11-03 Jackson Corporation Hold open control for a door closer
US5855039A (en) * 1997-03-13 1999-01-05 Crawford; Alan D. Delay door closer
ATE318359T1 (de) 1998-08-19 2006-03-15 Fisher & Paykel Appliances Ltd Türöffnungs- und türschliesssystem
US6116661A (en) * 1999-01-29 2000-09-12 Monarch Hardware And Manufacturing Company Electric dogging mechanism for use with an exit device
US6167589B1 (en) 1999-03-25 2001-01-02 Daren J. Luedtke Control mechanism including a permanent magnet system
US6253417B1 (en) * 1999-09-30 2001-07-03 Architectural Builders Hardware Mfg., Inc. Door holder and stop with retaining means for holding a door shut while in a closed position
AUPQ446699A0 (en) * 1999-12-06 2000-01-06 Kocijan, Franz Switchable (variable) permanent magnet device
US6640387B2 (en) 1999-12-28 2003-11-04 Ricardo Alonso Damper assembly that opts to open doors for usage with reciprocating door closer devices
SE520127C2 (sv) * 2000-04-13 2003-05-27 Selvo Ab Dörrhållare
US6499185B1 (en) * 2000-10-30 2002-12-31 Dorma Door Controls, Inc Apparatus for holding a door open
US8225458B1 (en) 2001-07-13 2012-07-24 Hoffberg Steven M Intelligent door restraint
US6910302B2 (en) 2001-09-13 2005-06-28 Alan Crawford Door hold open and controlled release mechanism
KR100439180B1 (ko) * 2002-01-22 2004-07-05 광주과학기술원 자기식 플로어 힌지
US20040205930A1 (en) * 2003-04-17 2004-10-21 Tan-Cheng Huang Door closer
US20040205931A1 (en) * 2003-04-18 2004-10-21 Tan-Cheng Huang Door closer structure
DE10344146B4 (de) * 2003-09-22 2005-07-28 Dorma Gmbh + Co. Kg Elektro-mechanische Feststelleinrichtung für eine Tür
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
DE102005014061B3 (de) 2005-03-23 2006-11-16 Dorma Gmbh + Co. Kg Feststellvorrichtung für Türflügel mit einem Türschließer
MX2009011565A (es) 2007-04-24 2009-11-10 Yale Security Inc Montaje de cierre de puerta.
DE102009000539A1 (de) * 2009-02-02 2010-08-19 Geze Gmbh Antrieb für einen Flügel einer Tür
JPWO2010092697A1 (ja) * 2009-02-16 2012-08-16 株式会社ニフコ 移動体の移動装置
GB0907954D0 (en) * 2009-05-08 2009-06-24 Fireco Ltd Appararatus for controlling the movement of a closure
GB0916768D0 (en) * 2009-09-24 2009-11-04 Ingersoll Rand Security Techno A door closer
DE102009053714A1 (de) * 2009-10-19 2011-04-28 Liebherr-Hausgeräte Lienz Gmbh Haushaltsgerät
FR2954389B1 (fr) * 2009-12-21 2012-09-21 Saint Gobain Seva Ferme-porte a retenue electromecanique et a liaison mecanique a came.
US9163446B2 (en) * 2010-03-17 2015-10-20 Yale Security Inc. Door control apparatus
US8779713B2 (en) 2010-04-16 2014-07-15 Yale Security Inc. Door closer with dynamically adjustable latch region parameters
US8527101B2 (en) 2010-04-16 2013-09-03 Yale Security Inc. Door closer assembly
US8564235B2 (en) 2010-04-16 2013-10-22 Yale Security Inc. Self-adjusting door closer
US8415902B2 (en) 2010-04-16 2013-04-09 Yale Security Inc. Door closer with calibration mode
US8547046B2 (en) 2010-04-16 2013-10-01 Yale Security Inc. Door closer with self-powered control unit
US8773237B2 (en) 2010-04-16 2014-07-08 Yale Security Inc. Door closer with teach mode
DE102010061246A1 (de) * 2010-05-05 2011-11-10 Dorma Gmbh & Co Kg Verriegelungs- bzw. Feststellanlage für eine Flügelanlage
JP2011247053A (ja) * 2010-05-31 2011-12-08 Nifco Inc 移動補助装置
JP5285679B2 (ja) * 2010-11-16 2013-09-11 株式会社中尾製作所 引込装置
US8402606B1 (en) * 2011-10-18 2013-03-26 Patrick Tsai Door closer with buffer mechanism for a sliding door
US9267317B2 (en) 2012-03-30 2016-02-23 Dac V. Vu Door stop assembly
WO2015074068A1 (en) * 2013-11-18 2015-05-21 Gordon's Window Decor, Inc. Quick-release control system for architectural opening covering
US9181737B1 (en) * 2014-06-03 2015-11-10 Whirlpool Corporation Oven door opening magnetic hinge
DE102014218860A1 (de) * 2014-09-19 2016-03-24 Ford Global Technologies, Llc Schiebetür für Kraftfahrzeuge
DE102015102914A1 (de) * 2015-03-02 2016-09-22 Dorma Deutschland Gmbh Feststellanordnung sowie Türbetätiger mit Feststellanordnung
US9995071B2 (en) * 2015-04-08 2018-06-12 John Evans' Sons, Inc. System and method for inhibiting window sash drift
US20160298369A1 (en) * 2015-04-08 2016-10-13 John Evans' Sons, Inc. Brake Shoe and Stop that Interlock to Prevent Window Sash Drift During Use
CN107849889A (zh) * 2015-04-30 2018-03-27 亚萨合莱安全技术有限公司 具有主驱动器和辅助驱动器的门驱动器
CN104912419A (zh) * 2015-06-11 2015-09-16 希美克(广州)实业有限公司 一种速度可调的关门器
US9920561B2 (en) * 2015-06-11 2018-03-20 Cmech (Guangzhou) Ltd. Combination hydraulic and pneumatic door closer
GB201513274D0 (en) * 2015-07-28 2015-09-09 Freeman & Pardoe Ltd A door closer
US10774570B1 (en) * 2015-12-17 2020-09-15 Larson Manufacturing Company Of South Dakota, Inc. Door with hidden door closer
US10995534B1 (en) * 2015-12-21 2021-05-04 Larson Manufacturing Company Of South Dakota, Llc Door with hidden door closer
CN105587199B (zh) 2016-02-25 2017-06-06 希美克(广州)实业有限公司 一种气压闭门器
DE102017210363B4 (de) 2017-06-21 2024-05-29 Geze Gmbh Feststellvorrichtung
EP3789574B1 (de) * 2019-09-05 2022-06-29 Abloy Oy Türschliesseranordnung
EP3848546B1 (de) * 2020-01-09 2023-11-22 Abloy Oy Türschliesseranordnung
EP3848547B1 (de) * 2020-01-09 2022-09-14 Abloy Oy Türschliesseranordnung
EP3848545B1 (de) * 2020-01-09 2023-12-20 Abloy Oy Türschliesseranordnung
US11168504B2 (en) 2020-01-31 2021-11-09 Schlage Lock Company Llc Door operator hold-open armature assembly
EP3971378A1 (de) * 2020-09-21 2022-03-23 Abloy Oy Offenhalteanordnung mit einer offenhaltefunktion zum offenhalten einer tür

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US1852609A (en) * 1930-01-20 1932-04-05 Maude W Griffin Doorcheck
US3415562A (en) * 1967-03-15 1968-12-10 Byron H. Petersen Magnetic hold-open device
US3729770A (en) * 1971-06-24 1973-05-01 Schlage Lock Co Electrically controlled hold-open device
US3771823A (en) * 1972-02-24 1973-11-13 Schlage Lock Co Electrically controlled hold-open device
US3964125A (en) * 1975-06-12 1976-06-22 Henry William Tansley Electromagnetic door holding device
US4040143A (en) * 1976-08-06 1977-08-09 Schlage Lock Company Releasable door hold-open device
FI62401C (fi) * 1976-12-13 1982-12-10 Waertsilae Oy Ab Doerrstaengare

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3427609A1 (de) * 1984-07-26 1986-02-06 Ryobi Ltd., Fuchu, Hiroshima Vorrichtung zum schliessen einer feuersicheren tuer
DE3537785A1 (de) * 1985-08-10 1987-03-19 Schulte Schlagbaum Ag Schloss mit elektromagnetisch gesteuerter schliessfunktion
DE4237179C2 (de) * 1992-11-04 2002-01-31 Geze Gmbh Türschließer
AT412411B (de) * 1996-02-21 2005-02-25 Dorma Gmbh & Co Kg Elektromechanische feststellvorrichtung für türflügel mit einem türschliesser

Also Published As

Publication number Publication date
US4506407A (en) 1985-03-26
GB8329205D0 (en) 1983-12-07
GB2143579A (en) 1985-02-13
JPS6026787A (ja) 1985-02-09

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee