EP1262123A2 - Objektträgersäule - Google Patents
Objektträgersäule Download PDFInfo
- Publication number
- EP1262123A2 EP1262123A2 EP02012218A EP02012218A EP1262123A2 EP 1262123 A2 EP1262123 A2 EP 1262123A2 EP 02012218 A EP02012218 A EP 02012218A EP 02012218 A EP02012218 A EP 02012218A EP 1262123 A2 EP1262123 A2 EP 1262123A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- section
- guide
- guide tube
- slide column
- end unit
- 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
Links
- 230000007704 transition Effects 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 101100008049 Caenorhabditis elegans cut-5 gene Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
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
- A47B91/12—Leg supports, e.g. cup-shaped, also under castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
Definitions
- the invention relates to a slide column according to the preamble of Claim 1.
- Slide columns of this type are z. B. in height-adjustable chairs or Tables used.
- a pressure pipe at one end with a diameter reduction.
- This reduction in diameter can be conical, for example his.
- the cone is standardized in its dimensions for a wide range of uses. This makes interchangeability of the slide column independent of one reached certain manufacturers.
- a guide tube is arranged inside the pressure tube, which in turn has a displacer, usually a piston rod a piston is axially movably guided.
- a valve housing in which a Switchable valve is arranged, which is a flow connection between the Guide tube and one running between the pressure tube and the guide tube Annulus influenced as a fluid connection.
- the valve housing has a guide pin that is inserted into the guide tube. With its outer contour the valve housing is supported on the inner wall of the pressure pipe and thus centers the guide tube to the pressure tube.
- the stroke length of the slide column depends on the usable length of the Guide tube minus the length of the piston. If you have a given Distance between the diameter reduction and the other end of the Pressure pipe, then it is of no use if you have the valve housing between the end of the guide tube and the inner wall of the pressure tube shortened to measure the saved length to the guide tube. If would extend the guide tube, it is in the inside area of the diameter reduction on the pressure pipe and the annulus described above would no longer exist.
- the guide pin could be shortened, but the reachable ones are Length increases rather modest. Additionally or alternatively, one could Reduce the wall thicknesses of the guide tube and the pressure tube and, if used Outside diameter of the pressure pipe and with an identical inside diameter of the guide tube reach a wider annulus. With that you could turn Extend the guide tube until there is a minimum distance between the front outer edge of the guide tube and the nearest area has reached the inner wall of the pressure pipe. With a long-established one Product, the wall thicknesses are largely exhausted. Even less Wall thicknesses would require high-strength materials, which in turn would Adversely affect the cost side.
- the object of the present invention is to consider a specimen slide column optimize their stroke length.
- the object is achieved in that the guide tube has a transition length section at the end facing the end unit, which ends in a smaller diameter than the nominal diameter.
- the end unit can be moved axially in the direction of the end of the pressure pipe. This shift can be a gain in terms of the usable performance of the guide tube can be used. Independent of a reduction in the diameter of the pressure pipe gives a very slim line Assembly of end unit and guide tube, but the end unit is not necessarily must be used for a valve, but also as a piston rod guide or can be designed as a simple plug.
- high-strength materials can only be stress and crack free to a limited extent reshape. So it turned out to be particularly advantageous if the transition length section is conical.
- the transition length section is bottle neck-shaped. With such a solution you can use a comparatively long end unit. However, there is also Possibility that the transition length section has a bottom. In order to the end unit can be supported axially on the guide tube.
- the end unit In the event that the end unit has to center the guide tube, it closes a guide section to the transition length section. This can alternatively also support radially on the inner wall of the pressure pipe. So that must the end unit does not assume a centering function.
- the guide section of at least one sectioned collar is formed.
- a completely circulating Collar is not necessary because especially if the end unit is considered a Valve housing is used, at least a gap between the guide tube and the pressure pipe must be maintained as a fluid connection.
- the guide tube can be centered on the pressure tube by means of a spacer ring become.
- a spacer ring you can get a guide section save and simplify the geometry of the end unit.
- the guide section can have a bead for a seal exhibit.
- the bottle neck-shaped transition length section can at least have a sealing surface for a seal to the end unit. With this possibility one saves the step of molding the bead.
- the end unit within a groove has a seal to the pressure pipe, the end unit being made in two parts and there is a dividing joint in the area of the groove.
- the seal between the end unit and the guide tube is already from Guide tube is worn, there is a particularly simple injection mold for the end unit.
- the guide tube can be based on have its nominal diameter a guide section which is located on the The inner wall of the pressure pipe is supported radially. As a usable increase in length with the guide tube you win the part that was previously from a guide pin of the end unit in the guide tube.
- the guide section can be made of a section that is at least section-wise Collar are formed.
- Fig. 1 shows the parts of a slide column 1 according to the invention, as they can be used for tables, chairs or other applications.
- a guide tube 5 is arranged within a pressure tube 3.
- the pressure pipe has via a diameter reduction 7, which is determined by a cone 9, wherein the diameter reduction, which can also be carried out only partially, for. B. in the form of a dent, also by a different shape of the pressure pipe can be formed.
- an end unit 11 which often has the function of a Valve housing takes over, but not in principle.
- a transition length section 15 which is also conical in this embodiment is shaped.
- the end of the guide tube is guided by a guide section 17 formed, which is in register with a guide pin 19 of the end unit.
- the guide section has a constant diameter so that the End unit 11 can be mounted over the open end of the guide tube.
- the guide pin contains a seal 21, which the inside of the guide tube separates from a fluid connection 23, the fluid connection from an annulus between the inner wall of the pressure pipe and the outer wall of the Guide tube is formed.
- the End unit By forming a transition length section on the guide tube, the End unit practically moved axially into the cone of the pressure pipe. you the usable length of the guide tube can be just before the beginning of the Dimension the diameter reduction of the pressure pipe and then axially Form the transition length section. For comparison it is from the stand Positioning of the end unit known in the art is shown in broken lines.
- the usable stroke length increase is 25 for a manufactured by the applicant Sample part with otherwise unchanged wall thicknesses, diameters and Lengths about 30 mm.
- the end unit 11 was optionally in the area of a groove 29 for a Seal 31 between the end unit and the inner wall of the pressure pipe in first and second sections 11a; 11b shared. As you can see these two sections of the end unit can be cut without radial undercuts easy to manufacture by injection molding. Between the two sections 11a; 11b of the end unit there is an axially extending centering section 11c, so that the guide tube 5 continues via the end unit 11 to the pressure tube is aligned.
- the right half of the cut shows a guide tube 5 with a bottle neck Transitional length section 15.
- the guide tube is supported on the seal 21, so that this variant too no circumferential groove has to be worked into the end unit.
- the advantage of this measure consists in direct centering of the guide tube to the Pressure pipe reached and at the same time the forming effort on the guide tube for the Guide section can be omitted.
- the spacer ring is slotted or only run on a circumference of just over 180 ° to connect the fluid 23 not to block.
- the collar 3 comprises two variants of the slide column.
- the transition length section 15 towards the radially outward collar-shaped guide section 17, which is radially on the inner wall the pressure pipe 3 supports. So that the fluid connection 23 also in the area of the guide section is guaranteed, the collar is only on an angular range limited in the circumferential direction or there are recesses 39 in the edge region executed.
- the guide section 17 of the guide tube closes in the right half of the cut 5 directly to the nominal diameter 13.
- the increase in length of the usable guide tube compared to the above described solutions turn out to be somewhat smaller, but is the Forming effort significantly lower.
- Both solutions according to FIG. 3 have in common that the guide tube on the guide section 17 directly on Centered pressure pipe.
Landscapes
- Actuator (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Chairs Characterized By Structure (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
- Fig. 1
- Objektträgersäule mit konischem Übergangslängenabschnitt
- Fig. 2
- Objektträgersäule mit Dichtungen, die vom Führungsrohr gestützt werden
- Fig. 3
- Führungsrohr, dass sich im Druckrohr selbst zentriert
Claims (13)
- Objektträgersäule, umfassend ein mit einem Nenndurchmesser ausgeführten Führungsrohr, das endseitige mit einer Endeinheit verbunden ist, wobei ein Druckrohr mit einer Durchmesserreduzierung in Form eines Konus in diesem Längenabschnitt das Führungsrohr im Bereich der Endeinheit einhüllt;
dadurch gekennzeichnet, dass das Führungsrohr (5) an dem der Endeinheit (11) zugewandten Ende einen Übergangslängenabschnitt (15) aufweist, der in einem kleineren Durchmesser als dem Nenndurchmesser (13) endet. - Objektträgersäule nach Anspruch 1,
dadurch gekennzeichnet, dass Übergangslängenabschnitt (15) konisch ausgeführt ist. - Objektträgersäule nach Anspruch 1,
dadurch gekennzeichnet, dass der Übergangslängenabschnitt (15) flaschenhalsförmig ausgeführt ist. - Objektträgersäule nach Anspruch 1,
dadurch gekennzeichnet, dass der Übergangslängenabschnitt (15) einen Boden (37) aufweist. - Objektträgersäule nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass sich dem Übergangslängenabschnitt (15) ein Führungsabschnitt (17) anschließt. - Objektträgersäule nach Anspruch 5,
dadurch gekennzeichnet, dass sich der Führungsabschnitt an der Innenwandung des Druckrohres (3) radial abstützt. - Objektträgersäule nach Anspruch 6,
dadurch gekennzeichnet, dass der Führungsabschnitt von einem zumindest abschnittsweise ausgeführter Kragen gebildet wird. - Objektträgersäule nach Anspruch 5,
dadurch gekennzeichnet, dass der Führungsabschnitt (15) eine Sicke (27) für eine Dichtung (21) aufweist. - Objektträgersäule nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass das Führungsrohr (5) mittels eines Distanzringes (35) zum Druckrohr (3) zentriert ist. - Objektträgersäule nach den Anspruch 3;
dadurch gekennzeichnet, dass der flaschenhalsförmige Übergangslängenabschnitt (15) mindestens eine Dichtfläche (33) für eine Dichtung (21) zur Endeinheit (11) aufweist. - Objektträgersäule nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass die Endeinheit (11) innerhalb einer Nut (29) eine Dichtung (31) zum Druckrohr (3) aufweist, wobei die Endeinheit (11) zweiteilig ausgeführt ist und eine Teilungsfuge im Bereich der Nut (29) verläuft. - Objektträgersäule nach dem Oberbegriff von Patentanspruch 1;
dadurch gekennzeichnet, dass sich ein Führungsabschnitt (15) des Führungsrohres (5) an der Innenwandung des Druckrohres (3) radial abstützt. - Objektträgersäule nach Anspruch 12,
dadurch gekennzeichnet, dass der Führungsabschnitt (15) von einem zumindest abschnittsweise ausgeführter Kragen gebildet wird.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10126681 | 2001-06-01 | ||
DE10126681 | 2001-06-01 | ||
DE10219583A DE10219583A1 (de) | 2001-06-01 | 2002-05-02 | Objektträgersäule |
DE10219583 | 2002-05-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1262123A2 true EP1262123A2 (de) | 2002-12-04 |
EP1262123A3 EP1262123A3 (de) | 2004-01-28 |
EP1262123B1 EP1262123B1 (de) | 2006-03-29 |
Family
ID=26009451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02012218A Expired - Fee Related EP1262123B1 (de) | 2001-06-01 | 2002-05-29 | Objektträgersäule |
Country Status (6)
Country | Link |
---|---|
US (1) | US7188819B2 (de) |
EP (1) | EP1262123B1 (de) |
KR (1) | KR100882929B1 (de) |
DE (2) | DE10219583A1 (de) |
ES (1) | ES2261552T3 (de) |
TW (1) | TWI230591B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8058899B2 (en) | 2000-10-06 | 2011-11-15 | Martin Vorbach | Logic cell array and bus system |
EP1576528A4 (de) * | 2002-10-09 | 2011-05-18 | California Inst Of Techn | Sensor-gewebe |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2197422A (en) * | 1986-11-08 | 1988-05-18 | Evertaut Limited | Height adjustment mechanism for swivel chairs and other articles of furniture |
EP0366128A1 (de) * | 1988-10-26 | 1990-05-02 | Stabilus GmbH | Längenverstellbare und verschliessbare Vorrichtung |
FR2661229A1 (fr) * | 1990-04-23 | 1991-10-25 | Talleres Gain S Coop Rl | Cylindre a gaz. |
DE29724446U1 (de) * | 1996-12-12 | 2001-04-26 | Suspa Holding Gmbh | Längenverstellbare Säule für Stühle o.dgl. |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE562064C (de) | 1931-08-25 | 1932-10-21 | Peder Jensen Andersen | Ausziehrohr, insbesondere fuer Stativfuesse |
DE657319C (de) | 1937-01-17 | 1938-03-02 | Friedrich Gaab | Fahrbare Stativsaeule |
DE7623283U1 (de) * | 1976-07-23 | 1977-01-13 | Stabilus Gmbh, 5400 Koblenz | Fuehrungssaeule zur stufenlosen hoeheneinstellung von stuhlsitzen |
US4465266A (en) * | 1982-03-08 | 1984-08-14 | Hale Chairco Corporation | Power unit for medical and like stools and chairs |
DE3627138A1 (de) * | 1986-08-09 | 1988-02-11 | Stabilus Gmbh | Fuehrung teleskopartig ineinander verschiebbare zylindrische teile |
US4720068A (en) * | 1986-08-29 | 1988-01-19 | Tornero Lino E | Seat support column |
DE4420914A1 (de) * | 1994-06-16 | 1995-12-21 | Suspa Compart Ag | Längenverstellbare Gasfeder und längenverstellbare Säule für Stühle, Tische mit einer längenverstellbaren Gasfeder |
US5961556A (en) * | 1996-12-31 | 1999-10-05 | Lord Corporation | Prosthetic suspension unit having elastomeric energy storage units |
DE19717531C2 (de) * | 1997-04-25 | 1999-02-25 | Stabilus Gmbh | Höhenverstellbare Säule mit einer Übertragungseinrichtung |
US5979845A (en) * | 1997-05-16 | 1999-11-09 | Steelcase Inc. | Hub tube/washer assembly |
TW427142U (en) * | 1997-11-17 | 2001-03-21 | Samhongsa Co Ltd | Apparatus for adjusting the height of a swivel chair |
KR20050019230A (ko) * | 2003-08-18 | 2005-03-03 | 김성수 | 걸상용 발받침 |
-
2002
- 2002-05-02 DE DE10219583A patent/DE10219583A1/de not_active Withdrawn
- 2002-05-29 EP EP02012218A patent/EP1262123B1/de not_active Expired - Fee Related
- 2002-05-29 DE DE50206187T patent/DE50206187D1/de not_active Expired - Lifetime
- 2002-05-29 TW TW091111479A patent/TWI230591B/zh not_active IP Right Cessation
- 2002-05-29 ES ES02012218T patent/ES2261552T3/es not_active Expired - Lifetime
- 2002-05-31 KR KR1020020030476A patent/KR100882929B1/ko not_active IP Right Cessation
- 2002-05-31 US US10/159,828 patent/US7188819B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2197422A (en) * | 1986-11-08 | 1988-05-18 | Evertaut Limited | Height adjustment mechanism for swivel chairs and other articles of furniture |
EP0366128A1 (de) * | 1988-10-26 | 1990-05-02 | Stabilus GmbH | Längenverstellbare und verschliessbare Vorrichtung |
FR2661229A1 (fr) * | 1990-04-23 | 1991-10-25 | Talleres Gain S Coop Rl | Cylindre a gaz. |
DE29724446U1 (de) * | 1996-12-12 | 2001-04-26 | Suspa Holding Gmbh | Längenverstellbare Säule für Stühle o.dgl. |
Also Published As
Publication number | Publication date |
---|---|
EP1262123B1 (de) | 2006-03-29 |
KR100882929B1 (ko) | 2009-02-10 |
US7188819B2 (en) | 2007-03-13 |
TWI230591B (en) | 2005-04-11 |
DE10219583A1 (de) | 2002-12-05 |
EP1262123A3 (de) | 2004-01-28 |
KR20020092226A (ko) | 2002-12-11 |
ES2261552T3 (es) | 2006-11-16 |
US20030006358A1 (en) | 2003-01-09 |
DE50206187D1 (de) | 2006-05-18 |
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