EP0185230A1 - Construction d'un bras-porteur à des fins dentaires - Google Patents

Construction d'un bras-porteur à des fins dentaires Download PDF

Info

Publication number
EP0185230A1
EP0185230A1 EP19850115074 EP85115074A EP0185230A1 EP 0185230 A1 EP0185230 A1 EP 0185230A1 EP 19850115074 EP19850115074 EP 19850115074 EP 85115074 A EP85115074 A EP 85115074A EP 0185230 A1 EP0185230 A1 EP 0185230A1
Authority
EP
European Patent Office
Prior art keywords
support arm
profile
arm construction
construction according
support
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
EP19850115074
Other languages
German (de)
English (en)
Other versions
EP0185230B1 (fr
Inventor
Helmut Kiesel
Klaus Stöckl
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to AT85115074T priority Critical patent/ATE42036T1/de
Publication of EP0185230A1 publication Critical patent/EP0185230A1/fr
Application granted granted Critical
Publication of EP0185230B1 publication Critical patent/EP0185230B1/fr
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/14—Dental work stands; Accessories therefor
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members
    • Y10T403/7005—Lugged member, rotary engagement
    • Y10T403/7007—Bayonet joint

Definitions

  • a support arm construction for a dental instrument table in which on a bottom-side vertical support tube (stand) a first and in turn a second horizontal support arm carrying the instrument table at its free end, each by means of a swivel joint are articulated.
  • Such a support arm construction can only be used in the intended arrangement, i.e. the support arm construction shown there with the base-side stand is not readily usable for ceiling mounting.
  • a support arm construction designed for ceiling mounting would not be readily usable for floor mounting.
  • the addition, omission or shortening of support tubes in the known construction is not possible or not possible without complex modification of the construction.
  • the invention specified in claim 1 is based on the object to provide an improved support arm construction.
  • the inventive structure of the support arm construction explained in more detail below makes it possible to put together an individual support arm construction with regard to the bends and support tubes to be provided and their lengths, using the same components in each case.
  • Figure 1 shows a schematic representation of an embodiment of the support arm construction according to the invention for pivotally holding a tooth medical instrument table.
  • the support arm construction consists of a vertical support tube 2 fastened to a base-side stand 1, two horizontal support tubes 3 and 4 as well as tube bends 5 to 8 for connecting the support tubes to one another or to the instrument table 9.
  • the support arms 3 and 4 can be pivoted at the points shown by arrows, otherwise the parts are rigid, i.e. non-rotating, connected to each other.
  • an additional height-adjustable support arm can be provided, or the support arm labeled 4 can be designed as a parallelogram support arm.
  • the support tubes 2, 3, 4 have a constant profile extending over their entire length, which, as will be explained in more detail later, fits to a correspondingly configured counter profile on the tube bends 5 to 8, so that a non-rotatable connection between the pipe bend and the support pipe can be established by axially plugging together.
  • the profile is designed so that the pipe bend can alternatively preferably be used offset by 180 in each case with respect to the support pipe, so that, as shown in broken lines in FIG.
  • the profile of the support tubes is shown in Figure 2. It is formed by a tube with a cylindrical outer surface and four evenly distributed on the circumference and extending over the entire length of the support tube inner elevations 11 and intermediate recesses 12 which form axially parallel webs and grooves in between.
  • a corresponding counter profile has one end of the pipe bends 5 to 8, as will be explained with reference to FIGS. 3 and 4 using the example of the pipe bend 5 and 7, respectively.
  • Each pipe bend consists of a base body 13 (blank), which has a plug 14 at one end and a bore 15 at its other end for receiving a pivot of a further pipe bend (e.g. pipe bend 6).
  • the pivot is axially secured by means of an angle plate 25 screwed onto the base body 13.
  • the plug pin 14 is provided with a mating profile that matches the profile according to FIG. on the spigot 14 there are also on the one hand four evenly distributed longitudinal grooves 16 which fit the elevations 11 of the support tube profile and intermediate webs 17 which match the longitudinal grooves 12 of the support tube profile.
  • the base body 13 contains a recess 18, which provides access to the inside of the pipe, as a result of which, for example, lines laid inside can be replaced more easily.
  • the outer surface of the basic body 13, which is not machined per se, is covered by two plastic half-shells shown in FIGS. 5 to 8, an upper half-shell 19 (FIG. 5) and a lower half-shell 20 (FIG. 6).
  • the two half-shells 19 and 20 contain suitable coupling elements 21, 22 which, when the half-shells are placed on the base body 13 engage with each other.
  • Such coupling elements which are preferably designed as snap connection elements, are known per se.
  • the lower half-shell 20 can be fastened to the base body 13 by suitable fastening means, for example also in the form of snap elements 23, 24.
  • suitable fastening means for example also in the form of snap elements 23, 24.
  • the recess 18 in the base body 13 is covered by the half-shell 19.
  • a major advantage of this construction is that the surface of the base body 13 does not need to be finely machined, since the two half-shells 19 and 20 can already have the necessary surface finish as plastic injection-molded parts which can be produced very cheaply.
  • Another advantage lies in the fact that different customer needs can be taken into account in the color design in the creation of the plastic half-shells, so that complex painting work on the pipe bend itself is not necessary.
  • Another advantage, as already mentioned, is that lines laid throughout the support arm construction can also be very easily retrofitted or replaced because, by removing the upper half-shell 19, good access to the recess 18, particularly in the critical area of the pipe bend the cables laid inside are given.
  • connection of the pipe bend to the vertical support pipe 2 or 2 ' is explained in more detail with reference to FIGS. 9 and 10.
  • This connection is a rotatable connection, i.e. the pipe bend can be rotated about 360 around the support pipe.
  • Such a connection can also exist between the arch 7md and the arch 6.
  • a protruding tube 26 is screwed or otherwise be consolidates.
  • a plastic bushing 27 is placed thereon and axially secured by means of washer 28 and spring washer 29.
  • the plastic bushing 27 forms a slide bearing together with the pipe 26, ie the bushing can be freely rotated relative to the pipe 26.
  • circumferentially arranged locking elements are designated, which correspond in profile to the profile of the pin 14 at the other end of the arc, so that they match the tubular profile shown in FIG.
  • the tube contains, as shown in Figure 10, a turn or undercut 31, the depth of which corresponds to that of the locking elements 30, so that when tube 2 and bend 5 are joined together after axial insertion of the parts over the recesses 12 and after twisting the two parts Bayonet-like connection is created, which absorbs the axial forces when suspended.
  • a set screw 32 can be provided in the support tube 2, which engages in a thread or in a blind hole 33 in the plastic bushing 27 and thus prevents the bayonet connection from being unscrewed.
  • the turning range can be limited to a maximum of 360 stops, e.g. in the form of a stop pin or the like. Be present, which are then attached at the point marked 34 in the support tube and at a corresponding point in the tube 26.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP85115074A 1984-12-10 1985-11-27 Construction d'un bras-porteur à des fins dentaires Expired EP0185230B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85115074T ATE42036T1 (de) 1984-12-10 1985-11-27 Tragarmkonstruktion fuer zahnaerztliche zwecke.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3445020 1984-12-10
DE3445020 1984-12-10

Publications (2)

Publication Number Publication Date
EP0185230A1 true EP0185230A1 (fr) 1986-06-25
EP0185230B1 EP0185230B1 (fr) 1989-04-12

Family

ID=6252387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85115074A Expired EP0185230B1 (fr) 1984-12-10 1985-11-27 Construction d'un bras-porteur à des fins dentaires

Country Status (6)

Country Link
US (1) US4714222A (fr)
EP (1) EP0185230B1 (fr)
JP (1) JPH0352505Y2 (fr)
AT (1) ATE42036T1 (fr)
DE (1) DE3569330D1 (fr)
YU (1) YU188485A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636627A (en) * 1991-04-12 1997-06-10 N.J. Rochester Limited Equipment and method for gas extraction in general anaesthesia

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5072906A (en) * 1988-01-15 1991-12-17 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5299338A (en) * 1988-01-15 1994-04-05 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5186337A (en) * 1991-08-09 1993-02-16 Hill-Rom Company, Inc. Pivoted power column
US5452807A (en) * 1991-08-09 1995-09-26 Hill-Rom Company, Inc. Accessories for pivoted power column
US5374019A (en) * 1992-10-05 1994-12-20 Fischer; Terry D. Multi-positionable, collapsible tool bench
DE19501027A1 (de) * 1995-01-14 1996-07-18 Tga Tech Geraete Und Apparateb Schwenkarm zur beweglichen Aufhängung von Einrichtungen aller Art, insbesondere zur Aufhängung von Instrumententischen im Dentalbereich
US6220460B1 (en) * 1999-09-14 2001-04-24 Sun Tai Bathroom Equipment Company, Ltd. Bathroom rack
US7314200B2 (en) * 2004-05-13 2008-01-01 American Sterilizer Company Support and transport system for medical apparatus
US20070176066A1 (en) * 2006-02-01 2007-08-02 Steenson Daniel V Adjustable work surface
DE202006003411U1 (de) * 2006-03-04 2006-06-08 Richter, Harald Geräteträger mti biegbarem austauschbarem Tragarm
FI122296B (fi) * 2006-11-21 2011-11-15 Planmeca Oy Hammashoitokoneen yhteydessä käytettävä kannatinelin
GB0910393D0 (en) * 2009-06-17 2009-07-29 Karstikko Mikka M T Dental unit
US8814224B2 (en) * 2009-11-11 2014-08-26 Hoffman Enclosures, Inc. Enclosure suspension system with compression fitting
US20120051831A1 (en) * 2010-08-24 2012-03-01 Waters Jr Louis Albert Quick connect coupling for concrete rebar
US8475073B1 (en) 2011-03-08 2013-07-02 Structural Plastics, Inc. Pivot connector for modular platform assemblies
US8479931B1 (en) * 2012-01-30 2013-07-09 Jeniece Mayhugh Richards Multi-purpose drapery rod system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL19847C (fr) * 1900-01-01
DE2235018A1 (de) * 1972-01-04 1973-07-26 Metalarte San Juan Despi Sa Drehverstellbare lampe
US3774773A (en) * 1972-08-14 1973-11-27 B Brent Magnetic medical tool holder stand
FR2250508A1 (en) * 1973-11-12 1975-06-06 Camprubi Planas Alberto Dental instrument console holder - has box-shaped bracket with drawer-like accessory treatment appts. as well as conventional appts.
US3902246A (en) * 1972-04-03 1975-09-02 Hugo M Wolf Dental treatment environment
US4305560A (en) * 1979-08-31 1981-12-15 Shigeru Ban Adjustable light support
US4381538A (en) * 1981-10-13 1983-04-26 I. W. Industries, Inc. Lamp swivel

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US719662A (en) * 1901-02-08 1903-02-03 Ellsworth A Hawthorne Support for phonographs, graphophones, &c.
US3010013A (en) * 1957-04-18 1961-11-21 Quarzlampen Gmbh Operating room lamp
US3742209A (en) * 1971-05-28 1973-06-26 C Williams Lighting fixture
US3821852A (en) * 1971-11-17 1974-07-02 Yoshida Seisakusho Kk Tray with astral lamp for dental use
US4037861A (en) * 1976-03-01 1977-07-26 Jonas Medney Expansion joint
US4209192A (en) * 1978-06-14 1980-06-24 Fmc Corporation Fluid transfer adapter for connecting a single conduit to a plurality of tanker manifolds
JPS57144399A (en) * 1981-02-27 1982-09-06 Mitsutoyo Seisakusho Joint type stand for utility equipment
US4592526A (en) * 1981-08-24 1986-06-03 Jacob Kobelt Adjustable holding device
JPS58165298U (ja) * 1982-04-30 1983-11-02 株式会社ボッシュオートモーティブ　システム 空調用送風機
US4532672A (en) * 1984-05-23 1985-08-06 Enamel Products & Plating Co Doorstop having bayonet engageable bracket and separately mounted shield
EP0185229B1 (fr) * 1984-12-10 1989-02-15 Siemens Aktiengesellschaft Bras-support à parallélogramme avec équilibrage de forces
US4615191A (en) * 1985-02-11 1986-10-07 Master Lock Company Barrel combination lock

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL19847C (fr) * 1900-01-01
DE2235018A1 (de) * 1972-01-04 1973-07-26 Metalarte San Juan Despi Sa Drehverstellbare lampe
US3902246A (en) * 1972-04-03 1975-09-02 Hugo M Wolf Dental treatment environment
US3774773A (en) * 1972-08-14 1973-11-27 B Brent Magnetic medical tool holder stand
FR2250508A1 (en) * 1973-11-12 1975-06-06 Camprubi Planas Alberto Dental instrument console holder - has box-shaped bracket with drawer-like accessory treatment appts. as well as conventional appts.
US4305560A (en) * 1979-08-31 1981-12-15 Shigeru Ban Adjustable light support
US4381538A (en) * 1981-10-13 1983-04-26 I. W. Industries, Inc. Lamp swivel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636627A (en) * 1991-04-12 1997-06-10 N.J. Rochester Limited Equipment and method for gas extraction in general anaesthesia

Also Published As

Publication number Publication date
JPS61103110U (fr) 1986-07-01
JPH0352505Y2 (fr) 1991-11-14
DE3569330D1 (en) 1989-05-18
ATE42036T1 (de) 1989-04-15
YU188485A (en) 1988-08-31
US4714222A (en) 1987-12-22
EP0185230B1 (fr) 1989-04-12

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