US1194636A - Silent door latch - Google Patents

Silent door latch Download PDF

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Publication number
US1194636A
US1194636A US1194636DA US1194636A US 1194636 A US1194636 A US 1194636A US 1194636D A US1194636D A US 1194636DA US 1194636 A US1194636 A US 1194636A
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Prior art keywords
latch
end
door
plate
door latch
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Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/08Lubricating devices
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/56Silencers
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00Closure fasteners
    • Y10S292/58Lubrication
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/68Keepers
    • Y10T292/685With anti-friction means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/68Keepers
    • Y10T292/688With silencing or anti-rattle means
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00Locks
    • Y10T70/80Parts, attachments, accessories and adjuncts
    • Y10T70/8919Antifriction provisions

Description

R. JOY.

SILENT DOOR LATCH.

APPLICATION FILED NOV-22, 1915.

1,19%,636' Patented Aug. 15,1916.

16 A IIIII \VI'LLNESSES: INVENTOR a rates.

SILENT DOOR-LATCH.

Application filed November 22. 1915. Serial No. 62,735.

To all whom it may concern:

Be it known that I, Ronnn'r JOY, a cit1- zen of the United States, residing at the city and county of San Francisco and State of California, have invented new and useful Improvements in Silent Door-Latches, of which the following is a specification.

My invention relates to a device for insuring the silent opening and closing of doors, and is especially adapted for hospitals and places where the noise of opening and closing doors will disturb and annoy the patients.

It consists in a strike plate and door latch having pockets containing hardwood, rubber, compressed asbestos fiber, or equivalent substances which will suppress the noise when the two parts come together.

It also comprises details of construction which will be more fully explained by reference to the accompanying drawings, in which Figure 1 is a horizontal section, showing the strike plate and part of the door with the catch engaged with said plate; also the position of the latch (in dotted lines) when first engaging the strike plate. Fig. 2 is a front view of the strike plate. Fi 3 is a sectional edge view on line 33 0 Fig. 2. Fig. 4 is a sectional View, showing the manner of inserting the contact medium, on line 44 of Fig. 2. Fig. 5 is a section of the latch, showing the manner of securing the cushion material. Fig. 6 is a view'of the latch in readiness for the cushion lining. Fig. 7 is a view of the lining. Fig. 8 shows the two parts united.

Doors as ordinarily constructed are closed by a spring or otherwise, and when the inclined surface of the latch strikes the plate it makes considerable noise. The further movement of the door carries the latch beyond the end of the strike plate and the im pelling spring of the latch will cause the latch to shoot into engagement with the plate, thus making an additional noise, which, though slight, will be annoying to patients in delicate conditions. My invention is designed to overcome this difliculty.

As shown in the drawings, A represents a section of a door in which a spring-actuated latch is incased and B is the door casin having a strike plate with which the latch may engage. The plate 5 is secured on the door casing in line with the latch and has openings, as shown at 3 and 4, for the spring Specification of Letters Patent.

Patented Aug. 15, 1916.

latch and also for the bolt of the usual lock. The extension 2 of plate 5, with which the latch first engages, is made with a depressed part or chamber having end walls as shown in Fig. 3 to receive a contact piece 6 which may be made of any suitable sufficiently hard material, such as wood, hard rubber, or asbestos fiber, which will not cause any audible noise when struck by the approaching latch. This material may be secured in the depression of the part 2 by bolts, pins, or screws, as at 7, and may also be perfo-- rated with small holes on its face, as at 8,

which are adapted to receive a lubricating material, such as graphite, or equivalent compound, over which the point of the latch 'will easily slide. The outer end of this part 6 is curved so that when the latch of the closing door approaches it will strike this portion at an angle, and will slide smoothly and softly over the surface of the material until it reaches the end of the strike plate and is ready to enter the keeper opening 3.

The end of the contact piece 6 is inclined, as shown at 6 the angle being preferably about 15, so that when the end of the latch has reached this point the continued slow closing of the door will allow the end of the latch to slip easily over this inclined end, being impelled by the usual latch spring until the latch has fully engaged with the keeper; and this incline also insures the taking up of any looseness which might cause a rattling after the parts are fully engaged.

The latch 9 is made of the usual triangular form and has the central portion of its incline and rectangular meeting faces cut away to form a space which is adapted to receive the cushion material 10 which is formed to fit in this cut-away space. This cushion material is formed, as plainly shown in Fig. 7, and when fitted into the channel of the face of the latch may be secured therein by pins 11 passing transversely through the sides of the latch and the interposed cushion 10. A screw 12 may also be used passing through the body of the latch and cushion material.

The operation of the device will then be as follows: When the door is allowed to close, the angular point of the latch first comes in contact with the lining 6 of the strike plate, as indicated in dotted lines in Fig. 1, and the cushion material 10 of the latch comes in contact with the outer curved end of the similar cushion 6 of the strike plate, thus forcing the latch backward into 1ts chamber against the compression of the spring 13. The door continuing to close under whatever impulse is applied to it, the point of the latch will slide smoothly over the lining of the strike plate and its smoothness of operation will be increased by the lubricated surface over which it moves. When the latch has reached the end of the strike plate it will be impelled forward, by the action of the spring 13, but instead of dropping suddenly into en agement with the keeper, it will slide gra ually over the inclined end 6-and will thus be held back and allowed to close into its position gradually and without any noise, and, as before stated, the incline willcause it to fit closely in the keeper so that wind or other action will not cause the latch to rattle in the keeper.

Having thusdescribed my invention, what I claim and desire to secure by Letters Patent is-- 1. In combination with a striker plate having a latch receiving opening and an ex tension alined with-the opening and having a chambered part, a contact piece embedded in said chambered part havin its end free and ta ered outwardly, the en s of said contact piece terminating beyond the ends of said extension and the end adjacent the latch receiving opening extendinginto the latter, said contact piece having a series of erforations adapted to receive a lubricat- 1ng substance. i

2. In combination with a striker plate having of which is open, said chamber having end walls, a non-metallic contact piece fitted in the chamber and rigidly secured thereto and having end parts abutting the end walls of the chamber and having its end terminals extending beyond the end walls of the chamber.

3. In combination with a latch, and a striker plate having a latch receiving opening'and an extension, a non-metallic contact piece connected to and extending beyond the ends of the extension and into the latch' receiving opening, and a facin of compressible material on the latch a apted to ride -over said contact piece.

In testimony whereof I have hereunto set 'my hand in the presence of two subscribing witnesses.

ROBERT JOY. Witnesses:

JOHN H. HERRING, W. W. HEALEr.

a latch receiving opening, and an extenslon formed with a chamber the front

US1194636D Silent door latch Expired - Lifetime US1194636A (en)

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Cited By (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645516A (en) * 1949-12-16 1953-07-14 Neil F Robertson Door lock
US2669473A (en) * 1950-09-20 1954-02-16 Benjamin F Trumbo Gate latch
US2726891A (en) * 1950-04-29 1955-12-13 Alexandria Kompaniez Door latch mechanism housing
US2823941A (en) * 1955-03-09 1958-02-18 Sargent & Co Latch bolt
US2946614A (en) * 1958-12-09 1960-07-26 Fred J Russell Low friction strike plate
US3836185A (en) * 1972-07-26 1974-09-17 R Touchstone Repair device for locomotive hood door latches
US3948550A (en) * 1974-10-03 1976-04-06 Kenneth Vigluicci Door latch
US4073519A (en) * 1975-12-26 1978-02-14 Mitsui Kinzoku Kogyo Kabushiki Kaisha Noiseless latch for particular use on vehicle doors
US4080810A (en) * 1975-04-10 1978-03-28 Fishman Sherman S Rimlatch to deadbolt lock converter accessory
US4218082A (en) * 1979-01-26 1980-08-19 Norris Industries, Inc. Anti-friction latch insert and fastening means
US4358141A (en) * 1979-04-07 1982-11-09 Mitsui Kinzoku Kogyo Kabushiki Kaisha Noise prevention device in an automobile locking apparatus
US4657206A (en) * 1982-05-31 1987-04-14 National House Industrial Co., Ltd. Door installation and a locking device used therein
US5511839A (en) * 1993-05-26 1996-04-30 Fritz Fuss Gmbh & Co. Door opener with a lockable, pivotable latch
US5697653A (en) * 1995-12-26 1997-12-16 Schlage Lock Company Bolt and bar assembly
US6428057B1 (en) * 2000-10-04 2002-08-06 The United States Of America As Represented By The Secretary Of The Navy Muzzle door latch for static and dynamic conditions
US20020178674A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining a building board
US20030024199A1 (en) * 2001-07-27 2003-02-06 Darko Pervan Floor panel with sealing means
US20030101674A1 (en) * 2001-09-20 2003-06-05 Darko Pervan Flooring and method for laying and manufacturing the same
US20030196405A1 (en) * 1994-04-29 2003-10-23 Tony Pervan System for joining building panels
US20040016196A1 (en) * 2002-04-15 2004-01-29 Darko Pervan Mechanical locking system for floating floor
US20040035078A1 (en) * 2002-03-20 2004-02-26 Darko Pervan Floorboards with decorative grooves
US20050034405A1 (en) * 2001-01-12 2005-02-17 Valinge Aluminium Ab Floorboards and methods for production and installation thereof
US20050034404A1 (en) * 2000-01-24 2005-02-17 Valinge Aluminium Ab Locking system for mechanical joining of floorboards and method for production thereof
US20050051691A1 (en) * 2003-09-09 2005-03-10 Hai Liang Quick ceiling fan housing and canopy installation assembly
US20060070333A1 (en) * 2002-04-03 2006-04-06 Darko Pervan Mechanical locking system for floorboards
EP1650375A1 (en) * 2004-10-22 2006-04-26 Välinge Innovation AB Mechanical locking system for floor panels
US20060265641A1 (en) * 2005-05-17 2006-11-23 International Business Machines Corporation Custom report generation
US20080000186A1 (en) * 2004-10-22 2008-01-03 Valinge Innovation Ab Mechanical locking system for floor panels
US7386963B2 (en) 1998-06-03 2008-06-17 Valinge Innovation Ab Locking system and flooring board
US7398625B2 (en) 2000-04-10 2008-07-15 Valinge Innovation Ab Locking system for floorboards
US7444791B1 (en) 1998-06-03 2008-11-04 Valinge Innovation Ab Locking system and flooring board
WO2009021487A1 (en) * 2007-08-10 2009-02-19 Hamberger Industriewerke Gmbh Connection
US7516588B2 (en) 2004-01-13 2009-04-14 Valinge Aluminium Ab Floor covering and locking systems
US20090115204A1 (en) * 2007-10-24 2009-05-07 Alexander Neal Rycroft Self latching latch
US20090195000A1 (en) * 2008-02-05 2009-08-06 Howey Kevin Door set with magnetic actuator
US20090193741A1 (en) * 2006-06-02 2009-08-06 Mark Cappelle Floor covering, floor element and method for manufacturing floor elements
US7584583B2 (en) 2006-01-12 2009-09-08 Valinge Innovation Ab Resilient groove
US20090315309A1 (en) * 2008-06-19 2009-12-24 Antonio Jorge Freire Lopes Tongue latch with protection
US7677001B2 (en) 2003-03-06 2010-03-16 Valinge Innovation Ab Flooring systems and methods for installation
US7739849B2 (en) 2002-04-22 2010-06-22 Valinge Innovation Ab Floorboards, flooring systems and methods for manufacturing and installation thereof
US20100156121A1 (en) * 2008-12-19 2010-06-24 Jbadia, Llc Security Latch Device with a latching arm cover
US7841144B2 (en) 2005-03-30 2010-11-30 Valinge Innovation Ab Mechanical locking system for panels and method of installing same
US7845140B2 (en) 2003-03-06 2010-12-07 Valinge Innovation Ab Flooring and method for installation and manufacturing thereof
US20100307207A1 (en) * 2009-06-09 2010-12-09 Yale Security Inc. Adjustable backset lockset
US7886497B2 (en) 2003-12-02 2011-02-15 Valinge Innovation Ab Floorboard, system and method for forming a flooring, and a flooring formed thereof
US20110167750A1 (en) * 2010-01-12 2011-07-14 Valinge Innovation Ab Mechanical locking system for floor panels
US20110193353A1 (en) * 2008-12-17 2011-08-11 Kiekert Ag Apparatus for a motor vehicle lock
US8042484B2 (en) 2004-10-05 2011-10-25 Valinge Innovation Ab Appliance and method for surface treatment of a board shaped material and floorboard
US8061104B2 (en) 2005-05-20 2011-11-22 Valinge Innovation Ab Mechanical locking system for floor panels
US8215078B2 (en) 2005-02-15 2012-07-10 Välinge Innovation Belgium BVBA Building panel with compressed edges and method of making same
US8245477B2 (en) 2002-04-08 2012-08-21 Välinge Innovation AB Floorboards for floorings
US8250825B2 (en) 2001-09-20 2012-08-28 Välinge Innovation AB Flooring and method for laying and manufacturing the same
US8544234B2 (en) 2007-11-07 2013-10-01 Valinge Innovation Ab Mechanical locking of floor panels with vertical snap folding
US8572922B2 (en) 2011-07-05 2013-11-05 Valinge Flooring Technology Ab Mechanical locking of floor panels with a glued tongue
US8596013B2 (en) 2012-04-04 2013-12-03 Valinge Innovation Ab Building panel with a mechanical locking system
US8627862B2 (en) 2008-01-31 2014-01-14 Valinge Innovation Ab Mechanical locking of floor panels, methods to install and uninstall panels, a method and an equipment to produce the locking system, a method to connect a displaceable tongue to a panel and a tongue blank
US8650826B2 (en) 2011-07-19 2014-02-18 Valinge Flooring Technology Ab Mechanical locking system for floor panels
US8689512B2 (en) 2006-11-15 2014-04-08 Valinge Innovation Ab Mechanical locking of floor panels with vertical folding
US8713886B2 (en) 2009-01-30 2014-05-06 Valinge Innovation Ab Mechanical lockings of floor panels and a tongue blank
US8763340B2 (en) 2011-08-15 2014-07-01 Valinge Flooring Technology Ab Mechanical locking system for floor panels
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US8826622B2 (en) 2005-03-31 2014-09-09 Flooring Industries Limited, Sarl Floor panel having coupling parts allowing assembly with vertical motion
US8844236B2 (en) 2006-07-11 2014-09-30 Valinge Innovation Ab Mechanical locking of floor panels with a flexible bristle tongue
US20140290173A1 (en) * 2011-07-29 2014-10-02 Hamberger Industriewerke Gmbh Connection for elastic or panel-type components, profiled slide, and floor covering
US8850769B2 (en) 2002-04-15 2014-10-07 Valinge Innovation Ab Floorboards for floating floors
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US8925274B2 (en) 2008-05-15 2015-01-06 Valinge Innovation Ab Mechanical locking of building panels
US8997430B1 (en) 2010-04-15 2015-04-07 Spanolux N.V.-Div. Balterio Floor panel assembly
US20150197968A1 (en) * 2014-01-16 2015-07-16 I-Tek Metal Mfg. Co., Ltd. Push/Pull Operating Device for Driving a Latch Device
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US20160130846A1 (en) * 2014-11-06 2016-05-12 Architectural Builders Hardware Mfg., Inc. Door latch with low operating noise
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US20170009486A1 (en) * 2015-07-09 2017-01-12 Roy Fenwick Flexible door latch strike
US9719542B2 (en) 2010-06-03 2017-08-01 Unilin, Bvba Composed element and corner connection applied herewith
US9725912B2 (en) 2011-07-11 2017-08-08 Ceraloc Innovation Ab Mechanical locking system for floor panels
US10017948B2 (en) 2013-06-27 2018-07-10 Valinge Innovation Ab Building panel with a mechanical locking system
US10113318B2 (en) 2005-03-31 2018-10-30 Flooring Industries Limited, Sarl Floor panel for forming and enhanced joint
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Cited By (178)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645516A (en) * 1949-12-16 1953-07-14 Neil F Robertson Door lock
US2726891A (en) * 1950-04-29 1955-12-13 Alexandria Kompaniez Door latch mechanism housing
US2669473A (en) * 1950-09-20 1954-02-16 Benjamin F Trumbo Gate latch
US2823941A (en) * 1955-03-09 1958-02-18 Sargent & Co Latch bolt
US2946614A (en) * 1958-12-09 1960-07-26 Fred J Russell Low friction strike plate
US3836185A (en) * 1972-07-26 1974-09-17 R Touchstone Repair device for locomotive hood door latches
US3948550A (en) * 1974-10-03 1976-04-06 Kenneth Vigluicci Door latch
US4080810A (en) * 1975-04-10 1978-03-28 Fishman Sherman S Rimlatch to deadbolt lock converter accessory
US4073519A (en) * 1975-12-26 1978-02-14 Mitsui Kinzoku Kogyo Kabushiki Kaisha Noiseless latch for particular use on vehicle doors
US4218082A (en) * 1979-01-26 1980-08-19 Norris Industries, Inc. Anti-friction latch insert and fastening means
US4358141A (en) * 1979-04-07 1982-11-09 Mitsui Kinzoku Kogyo Kabushiki Kaisha Noise prevention device in an automobile locking apparatus
US4657206A (en) * 1982-05-31 1987-04-14 National House Industrial Co., Ltd. Door installation and a locking device used therein
US7775007B2 (en) 1993-05-10 2010-08-17 Valinge Innovation Ab System for joining building panels
US7823359B2 (en) 1993-05-10 2010-11-02 Valinge Innovation Ab Floor panel with a tongue, groove and a strip
US7086205B2 (en) 1993-05-10 2006-08-08 Valinge Aluminium Ab System for joining building panels
US20020178674A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining a building board
US20020178673A1 (en) * 1993-05-10 2002-12-05 Tony Pervan System for joining building panels
US5511839A (en) * 1993-05-26 1996-04-30 Fritz Fuss Gmbh & Co. Door opener with a lockable, pivotable latch
US20030196405A1 (en) * 1994-04-29 2003-10-23 Tony Pervan System for joining building panels
US7121059B2 (en) 1994-04-29 2006-10-17 Valinge Innovation Ab System for joining building panels
US5697653A (en) * 1995-12-26 1997-12-16 Schlage Lock Company Bolt and bar assembly
US7444791B1 (en) 1998-06-03 2008-11-04 Valinge Innovation Ab Locking system and flooring board
US7386963B2 (en) 1998-06-03 2008-06-17 Valinge Innovation Ab Locking system and flooring board
US7779596B2 (en) 2000-01-24 2010-08-24 Valinge Innovation Ab Locking system for mechanical joining of floorboards and method for production thereof
US20050034404A1 (en) * 2000-01-24 2005-02-17 Valinge Aluminium Ab Locking system for mechanical joining of floorboards and method for production thereof
US8011155B2 (en) 2000-01-24 2011-09-06 Valinge Innovation Ab Locking system for mechanical joining of floorboards and method for production thereof
US8234831B2 (en) 2000-01-24 2012-08-07 Välinge Innovation AB Locking system for mechanical joining of floorboards and method for production thereof
US7398625B2 (en) 2000-04-10 2008-07-15 Valinge Innovation Ab Locking system for floorboards
US6428057B1 (en) * 2000-10-04 2002-08-06 The United States Of America As Represented By The Secretary Of The Navy Muzzle door latch for static and dynamic conditions
US7171791B2 (en) 2001-01-12 2007-02-06 Valinge Innovation Ab Floorboards and methods for production and installation thereof
US20050034405A1 (en) * 2001-01-12 2005-02-17 Valinge Aluminium Ab Floorboards and methods for production and installation thereof
US8584423B2 (en) 2001-07-27 2013-11-19 Valinge Innovation Ab Floor panel with sealing means
US8028486B2 (en) 2001-07-27 2011-10-04 Valinge Innovation Ab Floor panel with sealing means
US20030024199A1 (en) * 2001-07-27 2003-02-06 Darko Pervan Floor panel with sealing means
US20030101674A1 (en) * 2001-09-20 2003-06-05 Darko Pervan Flooring and method for laying and manufacturing the same
US8250825B2 (en) 2001-09-20 2012-08-28 Välinge Innovation AB Flooring and method for laying and manufacturing the same
US7275350B2 (en) 2001-09-20 2007-10-02 Valinge Innovation Ab Method of making a floorboard and method of making a floor with the floorboard
US7127860B2 (en) 2001-09-20 2006-10-31 Valinge Innovation Ab Flooring and method for laying and manufacturing the same
US8683698B2 (en) 2002-03-20 2014-04-01 Valinge Innovation Ab Method for making floorboards with decorative grooves
US20040035078A1 (en) * 2002-03-20 2004-02-26 Darko Pervan Floorboards with decorative grooves
US7137229B2 (en) 2002-03-20 2006-11-21 Valinge Innovation Ab Floorboards with decorative grooves
US7926234B2 (en) 2002-03-20 2011-04-19 Valinge Innovation Ab Floorboards with decorative grooves
US20060070333A1 (en) * 2002-04-03 2006-04-06 Darko Pervan Mechanical locking system for floorboards
US7757452B2 (en) 2002-04-03 2010-07-20 Valinge Innovation Ab Mechanical locking system for floorboards
US7637068B2 (en) 2002-04-03 2009-12-29 Valinge Innovation Ab Mechanical locking system for floorboards
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