EP0186714A1 - Dispositif de mise à niveau rapide - Google Patents

Dispositif de mise à niveau rapide Download PDF

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Publication number
EP0186714A1
EP0186714A1 EP84201944A EP84201944A EP0186714A1 EP 0186714 A1 EP0186714 A1 EP 0186714A1 EP 84201944 A EP84201944 A EP 84201944A EP 84201944 A EP84201944 A EP 84201944A EP 0186714 A1 EP0186714 A1 EP 0186714A1
Authority
EP
European Patent Office
Prior art keywords
valve
fitted
operating block
conical
chamber
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
EP84201944A
Other languages
German (de)
English (en)
Other versions
EP0186714B1 (fr
Inventor
Cornelis Franciscus De La Haye
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.)
HAYE CORNELIS FRANCISCUS DE
Original Assignee
HAYE CORNELIS FRANCISCUS DE
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 HAYE CORNELIS FRANCISCUS DE filed Critical HAYE CORNELIS FRANCISCUS DE
Priority to DE8484201944T priority Critical patent/DE3479389D1/de
Priority to AT84201944T priority patent/ATE45475T1/de
Priority to EP84201944A priority patent/EP0186714B1/fr
Publication of EP0186714A1 publication Critical patent/EP0186714A1/fr
Application granted granted Critical
Publication of EP0186714B1 publication Critical patent/EP0186714B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • A47B91/00—Feet for furniture in general
    • A47B91/16—Self-levelling legs
    • 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
    • A47B9/00—Tables with tops of variable height
    • A47B9/10—Tables with tops of variable height with vertically-acting fluid cylinder

Definitions

  • the present invention relates to an apparatus for leveling a surface, e.g. of a table.
  • an apparatus for leveling a surface e.g. of a table is provided with at least three bellows containing a pressure medium, each being connected through a conduit to a central operating block adapted to selectively interconnect two or more conduits.
  • Such an apparatus makes it possible to easily set up the object level, while using the spirit level present on the object or a loose spirit level.
  • the apparatus forms an entirely closed system which is maintenance-free:
  • the closed system ensures that no or hardly any wandering occurs during a prolonged period of time.
  • the central operating block may be provided with a chamber in a conical wall of which the said conduits terminate, and which chamber accommodates a spring-loaded valve fitted with a corresponding conical portion, one end of said valve extending beyond the casing.
  • the central operating block may be provided with a casing wherein the closable conduits, spaced at regular intervals, terminate and in which casing there is arranged a rotary slide fitted with such recesses that the conduits are either not in open communication with eachotheror are in open communication with each other two by two.
  • the chamber wall opposite the conical wall has a recessed portion or recess which is separated from the chamber by a diaphragm.
  • valve can be lifted off its seat, so that two or more conduits can be interconnected.
  • the above described apparatus may be accommodated in a box-shaped supporting table, thereby obtaining an easily handled element for supporting e.g. scales or the like.
  • the bellows may be surrounded by a casing consisting of two telescopically coacting portions, one of which being fitted with a supporting member adapted for coaction with table attachment means.
  • the operating block may also be designed such that the opening in the conical wall is shut off by a diaphragm at the exterior of which there is arranged a valve operating member, and the valve made of slightly compressible material is supported against a cover, with interposition of a spring, while the conical portion of the valve has a larger diameter than the opposite portion which is slidingly received in a cover recess and which portion, adjacent the conical portion, is fitted with an equalizing passage.
  • This arrangement produces an operating block wherein the chance of leakage is minimized.
  • these may be filled with distilled water to which an antifreeze agent has been added to prevent it also from being frozen.
  • the apparatus according to the invention is suitable in particular for supporting scales used by the ambulant commerce, requiring a frequent leveling of the scales.
  • the apparatus according to the invention is also suitable for settingup-a surface at a slight angle relative to the horizontal, as sometimes required e.g. with a slide projector or the like.
  • an apparatus for supporting objects comprises four bellows, each having a stub 22.
  • the bellows 2 are each connected through conduits 8 to a central operating block 7, fitted with a control knob 20.
  • the central operating block 7 comprises a casing 10 wherein there is provided a chamber 11 fitted with a conical wall 12. Adjacent said conical wall 12 there terminate a plurality of passages 13 corresponding with the number of bellows 9, the conduit 8 being connected to said passages.
  • a conical valve 14 which is kept in abutment with the conical wall or seat 12 by means of a spring 15.
  • the spring finds support against a screw cover 16 closing the chamber 11.
  • the valve 14 is fitted with a stem 17 extending through a passage 18 of the casing, whose portion projecting from the casing is fitted with said control knob 20.
  • the stem passageway 18 is fitted with a plurality of packing rings 19, in this case three.
  • Fig. 2 Another possibility is shown in Fig. 2, wherein the apparatus described is accommodated in a box-shaped table top 6. Since a major portion of the means employed therefor are identical to the above described means and, consequently, are shown with the same reference numerals, a description thereof will be omitted. For the rest, the following is observed regarding Fig. 2.
  • the bellows 9 comprises the concertina-like bellows portion 23 proper, which is closed at the top end by a wall 24 and at the bottom end by a wall 25.
  • the wall 24, together with a small part of the bellows portion 23, is fixedly received in an attachment disc 26 fitted with a recess 27 adapted for coaction with a corresponding recess in the plate-like table top 6.
  • the comparatively thick bottom wall 25 of the bellows 9 is fitted with a recess 28 adapted for coaction with a recess of a jacket 30.
  • This thick synthetic plastics bottom wall 25 operates in a vibration damping fashion. It can therefore also be designed as a separate rubber disc.
  • the attachment disc 26 is fitted with a depending jacket 29 adapted for coaction with the said jacket 30 attached to the bottom wall 25.
  • the jackets 29 and 30 are fitted for relative guidance with inwardly oriented edges 31, 32.
  • the bottom wall 25, as shown in the drawings, is further fitted with a stem 33 coacting with an inwardly extended portion 34 of the stub 22.
  • the said portion 34 is fitted at the top wall 24 with passages 35.
  • the bellows portion 23 proper and the bottom wall 25 together with the stem 33 are in a single piece. This is also the case with the top wall 24 with the stub 22 and the downwardly extension 34 thereof. These two portions may be interconnected e.g. by glueing and be kept firmly against one another by incorporation of the connecting portion in the attachment disc 26.
  • a cylindrical, central operating block 40 fitted with four passages 41, each communicating through a conduit 42 with a bellows 43.
  • Fig. 3a the two upper, and the two lower passages, respectively, are interconnected, while in Fig. 3b the two left-hand passages, and the two right-hand passages, respectively, are interconnected.
  • the operating block shown in Fig. 4 essentially comprises a casing 50 in a chamber 51 of which there is received a valve 52 made of a slightly compressible material, which valve 52 is maintained in abutment with a conical seat 55, with interposition of a spring 53 finding support against a cover 54.
  • a valve 52 made of a slightly compressible material
  • conical seat 55 In the conical seat 55 there terminate passages 56, 57 having stubs 58, 59 connecting via bends 60, 61 to hoses 62, 63, which are comparable to the above described conduits 3 and 4.
  • the front of the conical valve 52 extends into an opening 64 of the casing 50.
  • the opening 64 is shut off by a diaphragm 65 retained by a cover 66.
  • Said cover is fitted with a neck 67 through which there is provided an opening 68 for the passage of the stem 70 of a control knob 69.
  • the opening 68 at the side of the diaphragm, terminates in a chamber 71 for receiving the enlarged head 73 of the stem 70 fitted with saw cuts 72 for assembly purposes.
  • the operating block shown is further attached by means of a nut 74 by champs to a wall 75 having an opening 76 of an apparatus, not further shown.
  • valve 52 in the chamber 51 is fitted with an equalizing passage 77.
  • the apparatuses described in the above have the advantage that they enable a rapid operation. Besides, they provide a good vibration damping, while a further advantage is that, due to the use of a closed system, this system is maintenance-free and is not troubled with wandering supports.

Landscapes

  • Diaphragms And Bellows (AREA)
  • Soil Working Implements (AREA)
  • Bridges Or Land Bridges (AREA)
  • Earth Drilling (AREA)
  • Machine Tool Units (AREA)
EP84201944A 1984-12-27 1984-12-27 Dispositif de mise à niveau rapide Expired EP0186714B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE8484201944T DE3479389D1 (en) 1984-12-27 1984-12-27 A quick-leveling apparatus
AT84201944T ATE45475T1 (de) 1984-12-27 1984-12-27 Schnellnivelliervorrichtung.
EP84201944A EP0186714B1 (fr) 1984-12-27 1984-12-27 Dispositif de mise à niveau rapide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84201944A EP0186714B1 (fr) 1984-12-27 1984-12-27 Dispositif de mise à niveau rapide

Publications (2)

Publication Number Publication Date
EP0186714A1 true EP0186714A1 (fr) 1986-07-09
EP0186714B1 EP0186714B1 (fr) 1989-08-16

Family

ID=8192508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84201944A Expired EP0186714B1 (fr) 1984-12-27 1984-12-27 Dispositif de mise à niveau rapide

Country Status (3)

Country Link
EP (1) EP0186714B1 (fr)
AT (1) ATE45475T1 (fr)
DE (1) DE3479389D1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321647A1 (de) * 1993-06-30 1995-01-12 Suspa Compart Ag Umschalt-Ventil
EP1927572A1 (fr) * 2006-11-30 2008-06-04 Gotthold Mönch Appareil de levage pour meubles
WO2008129065A2 (fr) 2007-04-23 2008-10-30 Frank Sorohan Dispositif de stabilisation
CN108626529A (zh) * 2017-03-22 2018-10-09 青岛海尔洗衣机有限公司 一种家用电器用底脚及家用电器
CN108778057A (zh) * 2015-12-17 2018-11-09 弗莱特私人有限公司 液压支承件
JP2020518313A (ja) * 2017-03-23 2020-06-25 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． 家電製品用底脚及び家電製品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288432A (en) * 1965-10-22 1966-11-29 Nat Tank Co Valve
US3678960A (en) * 1970-06-08 1972-07-25 Saul Leibinsohn Stop cock
US3768766A (en) * 1970-10-21 1973-10-30 A Bain Table levelling device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288432A (en) * 1965-10-22 1966-11-29 Nat Tank Co Valve
US3678960A (en) * 1970-06-08 1972-07-25 Saul Leibinsohn Stop cock
US3768766A (en) * 1970-10-21 1973-10-30 A Bain Table levelling device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321647A1 (de) * 1993-06-30 1995-01-12 Suspa Compart Ag Umschalt-Ventil
EP1927572A1 (fr) * 2006-11-30 2008-06-04 Gotthold Mönch Appareil de levage pour meubles
WO2008129065A2 (fr) 2007-04-23 2008-10-30 Frank Sorohan Dispositif de stabilisation
WO2008129065A3 (fr) * 2007-04-23 2009-07-09 Frank Sorohan Dispositif de stabilisation
US8104724B2 (en) 2007-04-23 2012-01-31 Frank Sorohan Stabilising device
AU2008240589B2 (en) * 2007-04-23 2014-01-30 Frank Sorohan A stabilising device
CN108778057A (zh) * 2015-12-17 2018-11-09 弗莱特私人有限公司 液压支承件
CN108626529A (zh) * 2017-03-22 2018-10-09 青岛海尔洗衣机有限公司 一种家用电器用底脚及家用电器
JP2020518313A (ja) * 2017-03-23 2020-06-25 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． 家電製品用底脚及び家電製品

Also Published As

Publication number Publication date
DE3479389D1 (en) 1989-09-21
EP0186714B1 (fr) 1989-08-16
ATE45475T1 (de) 1989-09-15

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