US20050120760A1 - Device for automatic shock-absorbed closing of drawers and pull-out furniture elements - Google Patents

Device for automatic shock-absorbed closing of drawers and pull-out furniture elements Download PDF

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Publication number
US20050120760A1
US20050120760A1 US10/999,239 US99923904A US2005120760A1 US 20050120760 A1 US20050120760 A1 US 20050120760A1 US 99923904 A US99923904 A US 99923904A US 2005120760 A1 US2005120760 A1 US 2005120760A1
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US
United States
Prior art keywords
piston
stem
pull
cylinder
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/999,239
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English (en)
Inventor
Rossano Compagnucci
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.)
Compagnucci SpA
Original Assignee
Compagnucci SpA
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 Compagnucci SpA filed Critical Compagnucci SpA
Assigned to COMPAGNUCCI S.P.A. reassignment COMPAGNUCCI S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: COMPAGNUCCI, ROSSANO
Publication of US20050120760A1 publication Critical patent/US20050120760A1/en
Priority to US11/977,775 priority Critical patent/US7748800B2/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/467—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-closing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/3405—Throttling passages in or on piston body, e.g. slots
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2210/00—General construction of drawers, guides and guide devices
    • A47B2210/0091—Drawer movement damping
    • A47B2210/0094—Drawer damping device with 2 relatively movable parts to convert kinetic energy
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5128—Drawer

Definitions

  • the present patent application refers to a device for automatic shock-absorbed closing of drawers and pull-out furniture elements in general.
  • a further drawback of known devices is represented by the fact that they provide a vibrating braking action because they use a pneumatic cylinder as shock-absorbing member.
  • the device of the invention comprises a hydraulic cylinder designed to be tightened to a fixed part of the cabinet, such as for example the walls or the fixed runner of the drawer.
  • the piston of the hydraulic cylinder has a perimeter series of longitudinal grooves that allow to pour oil from one chamber to the other one during alternate travels of the piston, whose stem is automatically fastened to the drawer in the ending part of the closing travel of the drawer, and automatically released after the first part of the following opening travel.
  • the piston is also provided with an additional series of holes closed by a monodirectional valve that allows the oil to seep during the entire extraction travel of the drawer.
  • a monodirectional valve that allows the oil to seep during the entire extraction travel of the drawer.
  • a helicoidal cylindrical spring is externally inserted into the stem of the piston, whose alternate travels determine the compression and extension of the spring, which automatically closes the drawer after the drawer is about to be perfectly and completely inserted into the corresponding housing.
  • the spring is compressed during the first part of the opening travel and extended during the ending part of the closing travel of the drawer. It must be said that when the stem of the hydraulic cylinder is automatically released from the drawer during extraction, the stem is automatically held by suitable blocking means that hold it in the extraction position until the drawer refastens the stem during the following closing travel, while excluding the fastening means, with consequent spontaneous extension of the spring that in turn remains compressed until the drawer is open.
  • the shock-absorbing action of the hydraulic cylinder is performed in this stage to avoid that a very energetic push may cause heaving shocks to the drawer at the end of the closing travel, with consequent stress for the entire cabinet, and especially for the front door of the drawer that touches the sides of the cabinet.
  • the resistance encountered by the oil when passing from a chamber to the other one of the cylinder ensures braking when the drawer is closed at a very high speed.
  • the chamber of the cylinder where the oil is poured when the drawer is opened is slightly conical, so that the annular space between the piston and the internal walls of the chamber gradually reduces as long as the piston moves backwards with the drawer.
  • FIG. 1 is a top view of the device of the invention
  • FIG. 2 is a left view of FIG. 1 ;
  • FIG. 3 is a view of the bracket of the device of the invention, which is designed to be fitted to the drawer for automatic fastening and unfastening of the drawer with respect to the device, during alternate closing and opening travels, respectively;
  • FIGS. 4A and 4B are cross-sections of the device of the invention with plane IV-IV of FIG. 1 , which show the position of the device with the drawer in completely closed and open position, respectively;
  • FIGS. 5A and 5B are cross-sections of the device of the invention, same as the preceding ones, except for the fact that they refer to a second embodiment of the device of the invention;
  • FIG. 6 is a side view of FIG. 1 ;
  • FIGS. 7A and 7B are views of the piston of the hydraulic cylinder.
  • the device of the invention comprises an hydraulic cylinder ( 1 ) supported by an opposite pair of identical semi-shells ( 2 ), respectively provided at one end with brackets ( 2 a ) for stable anchoring inside the body of the cabinet where the cylinder is in horizontal position.
  • the brackets ( 2 a ) can be screwed, for example, to the internal walls of the cabinet or to the fixed runner of the drawer.
  • the semi-shells ( 2 ) terminate with two rectilinear appendixes ( 2 b ) that form a sort of a fork with flat parallel forks provided with a long slot ( 3 ) with upturned U shaped design.
  • the slot ( 3 ) houses a sliding pin ( 4 ) with horizontal axis placed in transversal direction with respect to the longitudinal axis of the cylinder ( 1 ); the pin ( 4 ) connects a parallel pair of identical oscillating plates ( 5 ) inserted into the same pivoting pin ( 6 ) parallel to the pin ( 4 ).
  • the pin ( 6 ) is fixed at the end of the external section ( 7 a ) of the stem ( 7 ) of the cylinder ( 1 ), whose internal piston ( 8 ) has a perimeter series of longitudinal grooves ( 9 ) to pour oil from a chamber to the other one and an additional series of through holes ( 10 ) closed on one side by a small plate ( 11 ) constantly subjected to the action of a return spring ( 12 ) that prevents the oil from seeping through the holes ( 10 ) during the retraction of the stem ( 7 ) that coincides with the last part of the closing travel of the drawer.
  • the device of the invention also comprises a special hook-like bracket (S) fixed to the drawer (not shown) to fasten and unfasten the drawer automatically to and from the device of the invention, respectively during the alternate closing and opening travels.
  • S hook-like bracket
  • the bracket (S) has a deep hook-like notch (P) that receives the pin ( 4 ) and cooperates with it as a cam, in order to determine the correct overturning direction with respect to the pivoting pin ( 6 ).
  • a helicoidal cylindrical spring ( 13 ) is externally inserted into the stem ( 7 ) of the piston ( 8 ), whose alternate travels determine the compression and extension of the spring ( 13 ) in charge of closing the drawer automatically when the drawer is about to be perfectly and completely inserted in its housing.
  • the spring is compressed during the first part of the opening travel of the drawer (as shown in FIGS. 4B and 5B ), and extended during the ending part of the closing travel of the drawer, as shown in FIGS. 4A and 5A .
  • the spring ( 13 ) is situated inside the chamber ( 1 b ) of the cylinder ( 1 ) where oil is poured during the opening travel of the drawer; a compensation disk ( 14 ) is situated near the bottom of the chamber ( 1 a ), with the possibility of making short alternate travels inside the cylinder ( 1 ), constantly subjected to the pressure of a spring ( 15 ) that pushes it towards the piston ( 8 ).
  • the function of the compensation disk ( 14 ) is to compensate the difference in volume between the chambers ( 1 a ) and ( 1 b ) due to the presence of the stem ( 7 ) and the spring ( 13 ) inside the chamber ( 1 b ).
  • FIGS. 5A and 5B differs from the one illustrated in FIGS. 4A and 4B in the fact that the stem ( 70 ) goes through the piston ( 8 ) and comes out beyond the back bottom of the cylinder ( 1 ) and because the spring ( 13 ) is inserted into the section ( 70 b ) of the stem ( 70 ) that comes out from the back bottom and terminates with a threaded section ( 70 c ), where a cup ( 70 d ) is screwed to compress the spring ( 13 ) during the forward travel of the stem ( 70 ) pulled by the drawer during opening.
  • the front section ( 70 a ) of the stem ( 70 ) comes out of the front bottom of the cylinder ( 1 ) and terminates with the pivoting pin ( 6 ) of the plates ( 5 ).
  • the pin ( 4 ) that connects the pair of plates ( 5 ) is inserted and fitted in the front cavity ( 3 a ) of the slot ( 3 ), with the spring ( 3 ) is maximum compression and ready to be released in extension as soon as the pin ( 4 ) is extracted from the cavity ( 3 a ).
  • the travel of the pin ( 4 ) is guided by the slots ( 3 ) having a first rectilinear section ( 3 b ) followed by a final section ( 3 c ) with descending direction that forces the pin ( 4 ) to move down, come out from the hook-like notch (P) of the bracket (S) progressively and engage inside the cavity ( 3 a ) where the pin is automatically fastened.
  • the presence of the compensation disk ( 14 ) is not necessary in the second embodiment, since the stem ( 70 ) goes through the chambers ( 1 a and 1 b ) of the cylinder ( 1 ) and the spring ( 13 ) is in external position with respect to the oil chambers ( 1 a and 1 b ) of the cylinder ( 1 ).
  • the shape (P 1 ) ensures the automatic restoration of the device if the pin ( 4 ) accidentally loses its correct operation position when released from the bracket (S), that is to say as long as the drawer is opened.
  • the pin ( 4 ) can accidentally raise and come out from its housing and fastening cavity ( 3 a ) with consequent backward travel of the stem ( 7 , 70 ) under the return action of the spring ( 13 ) during free extension.
  • Overturning is also favoured by the lock pin ( 5 a ) situated on the oscillating plates ( 5 ) that, while rotating downwards with the pin ( 4 ), extract the stem ( 7 , 70 ) from the cylinder ( 1 ) for a short section, thus loading the spring ( 13 ) that is released in extension as soon as the interference between the pin ( 4 ) and the sloping shape (P 1 ) ceases.
US10/999,239 2003-12-05 2004-11-30 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements Abandoned US20050120760A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/977,775 US7748800B2 (en) 2003-12-05 2007-10-26 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMC2003A000144 2003-12-05
ITMC20030144 ITMC20030144A1 (it) 2003-12-05 2003-12-05 Dispositivo per la chiusura automatica ed ammortizzata dei cassetti e delle strutture estraibili per mobili.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US11/977,775 Division US7748800B2 (en) 2003-12-05 2007-10-26 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements

Publications (1)

Publication Number Publication Date
US20050120760A1 true US20050120760A1 (en) 2005-06-09

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
US10/999,239 Abandoned US20050120760A1 (en) 2003-12-05 2004-11-30 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements
US11/977,775 Expired - Fee Related US7748800B2 (en) 2003-12-05 2007-10-26 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements

Family Applications After (1)

Application Number Title Priority Date Filing Date
US11/977,775 Expired - Fee Related US7748800B2 (en) 2003-12-05 2007-10-26 Device for automatic shock-absorbed closing of drawers and pull-out furniture elements

Country Status (8)

Country Link
US (2) US20050120760A1 (it)
EP (1) EP1541057B1 (it)
CN (1) CN100434018C (it)
AT (1) ATE394047T1 (it)
DE (1) DE602004013521D1 (it)
ES (1) ES2306977T3 (it)
IT (1) ITMC20030144A1 (it)
RU (1) RU2355272C2 (it)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080246286A1 (en) * 2007-04-03 2008-10-09 Cardinal Health 303, Inc. Piezo actuated slide latching mechanism
US20100079046A1 (en) * 2008-09-28 2010-04-01 Vint Jesse L Biometric power actuated security drawer
US20100296758A1 (en) * 2007-05-09 2010-11-25 Tobias Johansson Device for use in connection with a''soft'' opening and later a ''soft closing of a drawer in a furniture body
CN108143377A (zh) * 2017-12-30 2018-06-12 华帝股份有限公司 一种带回弹功能的导轨
CN108175357A (zh) * 2017-12-30 2018-06-19 华帝股份有限公司 一种洗碗机的开门装置

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DE102006057582C5 (de) * 2005-12-07 2018-10-31 Lg Electronics Inc. Kühlschrankschienenanordnung und Kühlschranklagerbehälterauszugs-/-Einschubvorrichtung mit derselben
ATE420576T1 (de) * 2006-11-24 2009-01-15 Araquistain Basurto Donato Vic Gerät zum öffnen und schliessen von türen und schubladen
DK200700695A (da) 2007-05-09 2008-11-10 Inter Ikea Sys Bv Indretning til sikring af en blöd afslutning af en skuffes åbningsbevægelse
ITMI20072168A1 (it) * 2007-11-14 2009-05-15 Agostino Ferrari Spa "sistema di chiusura controllata per elementi scorrevoli di mobilio"
US8414094B2 (en) * 2008-02-04 2013-04-09 Accuride International, Inc. Drawer system slide assemblies and closure mechanisms
CN201182372Y (zh) * 2008-03-13 2009-01-21 佛山市顺德区泰明金属制品厂有限公司 抽屉滑轨闭合装置
JP5294714B2 (ja) * 2008-06-06 2013-09-18 株式会社ニフコ 摺動補助機構
ES2397814T3 (es) * 2008-10-13 2013-03-11 Arturo Salice S.P.A. Dispositivo de abertura y cierre automático, particularmente para una parte móvil de un mueble
DE202008016409U1 (de) * 2008-12-13 2010-04-22 Paul Hettich Gmbh & Co. Kg Selbsteinzugsvorrichtung und Auszugsführung
DE202009004956U1 (de) * 2009-06-26 2010-11-11 Paul Hettich Gmbh & Co. Kg Öffnungs- und Schließvorrichtung einer Ausziehführung und Ausziehführung
DE102009026141A1 (de) * 2009-07-09 2011-01-13 Paul Hettich Gmbh & Co. Kg Rastsystem
DE102009026142A1 (de) * 2009-07-09 2011-01-13 Paul Hettich Gmbh & Co. Kg Rastbeschlag für eine Auszugsführung
RU2543407C2 (ru) * 2009-08-07 2015-02-27 Пауль Хеттих Гмбх Унд Ко. Кг Выталкивающий механизм, выдвижная направляющая и выталкивающая система
DE102009049429B4 (de) * 2009-10-14 2014-08-21 Karl Simon Gmbh & Co. Kg Schiebeanordnung
DE202009013347U1 (de) * 2009-10-14 2011-02-17 Hettich-Heinze Gmbh & Co. Kg Selbsteinzugs- und Dämpfungsvorrichtung
JP2011196015A (ja) * 2010-03-17 2011-10-06 Nifco Inc 摺動補助装置
JP5433466B2 (ja) * 2010-03-17 2014-03-05 株式会社ニフコ 摺動補助装置
DE102010016133A1 (de) * 2010-03-25 2011-09-29 Paul Hettich Gmbh & Co. Kg Selbsteinzugsvorrichtung und Auszugsführung
JP5632645B2 (ja) * 2010-05-07 2014-11-26 株式会社ニフコ 引込装置及びそれに用いられる引込本体
DE102013100652A1 (de) * 2013-01-23 2014-07-24 Paul Hettich Gmbh & Co Beschleunigungsvorrichtung für bewegbare Möbel- oder Haushaltsgeräteteile
DE102013104886A1 (de) 2013-05-13 2014-11-13 Karl Simon Gmbh & Co. Kg Schiebeanordnung
KR101896468B1 (ko) * 2013-09-02 2018-09-11 삼성전자주식회사 냉장고
RU203115U1 (ru) * 2020-12-04 2021-03-22 Общество с ограниченной ответственностью "БОЯРД" Устройство автоматического выталкивания и фиксации подвижной части направляющей для выдвижного элемента мебели

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US5720369A (en) * 1995-04-19 1998-02-24 Lord Corporation Adjustable, lockable devices
US6053486A (en) * 1998-03-16 2000-04-25 Suspa, Incorporated Damping cylinder
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US20030141638A1 (en) * 2001-12-12 2003-07-31 Luciano Salice Air damper for mobile furniture parts
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US6953233B2 (en) * 2002-05-17 2005-10-11 Harn Lian Lam Closing device for drawers

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Publication number Priority date Publication date Assignee Title
US3378878A (en) * 1966-03-04 1968-04-23 Schlage Lock Co Decelerator and dead stop
US5474375A (en) * 1993-06-23 1995-12-12 Julius Blum Gesellschaft M.B.H. Closing device for moving a drawer to a fully inserted position within a furniture body
US5720369A (en) * 1995-04-19 1998-02-24 Lord Corporation Adjustable, lockable devices
US6053486A (en) * 1998-03-16 2000-04-25 Suspa, Incorporated Damping cylinder
US6315093B1 (en) * 1999-11-05 2001-11-13 Kayaba Industry Co., Ltd. Hydraulic shock absorber
US6629738B2 (en) * 2000-09-19 2003-10-07 Arturo Salice S.P.A. Grease-damped drawer-closing apparatus
US20030075845A1 (en) * 2001-03-13 2003-04-24 Bernhard Krammer Fluid damper, particularly for movable pieces of furniture
US20030141638A1 (en) * 2001-12-12 2003-07-31 Luciano Salice Air damper for mobile furniture parts
US6953233B2 (en) * 2002-05-17 2005-10-11 Harn Lian Lam Closing device for drawers
US6736471B2 (en) * 2002-06-20 2004-05-18 Nan Juen International Co., Ltd. Buffer and return device for a slide rail in a drawer
US20040212283A1 (en) * 2003-04-25 2004-10-28 Ingo Gasser Retraction device for drawers
US20040222723A1 (en) * 2003-05-05 2004-11-11 Helmut Fitz Pull-out guide fitting for drawers

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080246286A1 (en) * 2007-04-03 2008-10-09 Cardinal Health 303, Inc. Piezo actuated slide latching mechanism
US7823993B2 (en) * 2007-04-03 2010-11-02 Carefusion 303, Inc. Piezo actuated slide latching mechanism
US20100296758A1 (en) * 2007-05-09 2010-11-25 Tobias Johansson Device for use in connection with a''soft'' opening and later a ''soft closing of a drawer in a furniture body
US20100079046A1 (en) * 2008-09-28 2010-04-01 Vint Jesse L Biometric power actuated security drawer
CN108143377A (zh) * 2017-12-30 2018-06-12 华帝股份有限公司 一种带回弹功能的导轨
CN108175357A (zh) * 2017-12-30 2018-06-19 华帝股份有限公司 一种洗碗机的开门装置

Also Published As

Publication number Publication date
US20090045710A1 (en) 2009-02-19
ITMC20030144A1 (it) 2005-06-06
EP1541057B1 (en) 2008-05-07
EP1541057A1 (en) 2005-06-15
US7748800B2 (en) 2010-07-06
CN100434018C (zh) 2008-11-19
DE602004013521D1 (de) 2008-06-19
CN1623469A (zh) 2005-06-08
ATE394047T1 (de) 2008-05-15
RU2004135412A (ru) 2006-05-20
RU2355272C2 (ru) 2009-05-20
ES2306977T3 (es) 2008-11-16

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