EP0008415A1 - Dentist's patient's chair with pivoted backrest - Google Patents

Dentist's patient's chair with pivoted backrest Download PDF

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Publication number
EP0008415A1
EP0008415A1 EP79102885A EP79102885A EP0008415A1 EP 0008415 A1 EP0008415 A1 EP 0008415A1 EP 79102885 A EP79102885 A EP 79102885A EP 79102885 A EP79102885 A EP 79102885A EP 0008415 A1 EP0008415 A1 EP 0008415A1
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EP
European Patent Office
Prior art keywords
backrest
chair
dental patient
width
indentation
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
EP79102885A
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German (de)
French (fr)
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EP0008415B1 (en
Inventor
Rolf-Jürgen Weiland
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Siemens AG
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Siemens AG
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Publication of EP0008415A1 publication Critical patent/EP0008415A1/en
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Publication of EP0008415B1 publication Critical patent/EP0008415B1/en
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    • 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
    • A61G15/10—Parts, details or accessories
    • 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
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/125—Rests specially adapted therefor, e.g. for the head or the feet for arms
    • 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
    • A61G15/10—Parts, details or accessories
    • A61G15/12—Rests specially adapted therefor, e.g. for the head or feet

Definitions

  • the invention relates to a dental patient chair with a swivel-mounted backrest, which essentially consists of a fixed supporting part and an upholstery pad arranged thereon and which has in its lower half an indentation directed towards the central backrest axis with a width in the direction of the longitudinal axis of the chair of at least the knee width an average person.
  • the object of the invention is to provide a patient chair of the type mentioned at the outset, which does not have these disadvantages; in particular, the backrest can be passed under the knee of the practitioner without this having a disadvantageous effect on the patient.
  • the object is achieved in a patient chair of the type mentioned according to the invention in that the indentation extends across a depth of about a quarter to a third of the backrest width transversely to the longitudinal axis of the chair and in that the cushion cover is designed such that it has the indentation covered.
  • FIG. 1 shows a diagrammatic representation, diagonally from the rear, of a dental patient chair with a lower chair part 1 and an upper chair part 2 arranged thereon in an adjustable height, which essentially consists of a seat 3 and a backrest 4.
  • the backrest 4 is pivotally mounted on the seat 3 by means of a connecting joint 5.
  • the backrest 4 essentially consists of a base support frame 6 in the form of a shape, with side parts 7, 8 attached to it laterally in the upper region, and a relatively thin cushion pad 9 placed on the front side of the backrest (FIG. 2).
  • the transverse web 10 of the support frame 6 is articulated on both sides of the chair by means of the connecting joint 5 on the seat and runs harmoniously into a central web 11 reaching to the upper edge of the backrest (FIG. 2).
  • a support rod 12 is adjustably supported for a head cushion 13.
  • the two side parts 7, 8 and the ends of the crossbar 10 form indentations 14 (FIG. 1) on both sides in the lower half of the backrest, which are covered by the cushion cover 9.
  • the indentations 14 viewed in the direction of the longitudinal axis 15 of the chair, extend over a width a which corresponds approximately to the knee width of an average person and transversely to the longitudinal axis 15 of the chair over a depth b which corresponds to approximately a quarter to a third of the backrest width B.
  • a web width of one third of the backrest width for the width of the central web 11 with a depth of the indentation of one third of the backrest width.
  • Armrests or armrests 16 are articulated on the two side parts 7, 8.
  • FIG. 2 shows the chair shown in FIG. 1 with the right side part 8 removed. From the illustration it can be seen that this results in an indentation extending to the upper edge of the backrest, which allows the backrest to be passed underneath for one on the right side of the chair working practitioners practically from 9:00 a.m. to 11:00 a.m. If the patient is to be treated in a 9:00 o'clock position, that is to say if the backrest is strongly inclined, the practitioner must place himself at the head end of the chair, it is also advantageous to remove the left side part 7. The practitioner can thus place both legs under the backrest, the distance between the patient and the practitioner being extremely close, but without there being a direct possibility of contact between the practitioner and the patient in the lying area.
  • the support frame 6 provides the required stability, whereas the cushion cover only serves for even surface support or support.
  • the upholstery is therefore compared to the support frame relatively thin;
  • a stiffener This can consist, for example, of a resilient insert or of a correspondingly prestressed spring core. It is advantageous to design the cushion cover so that it is elastic towards the front, ie towards the patient, but largely stiff towards the rear.
  • two shoulders 18 for shoulder support can be arranged laterally in the upper region of the cushion pad.
  • this shoulder support is part of the cushion pad, which for this purpose has a stiffened rear wall or insert made of an elastic plastic, e.g. Can contain polystyrene, or another resilient material.
  • Fig. 4 shows a section of the backrest seen from the front with the cushion pad 9 removed and shows the connection of the side parts to the central web 11.
  • tabs 20 are provided on both sides, which are welded to the support parts 21 and releasably attached to the central web 11.
  • Bearing bushes 19 for mounting the armrests 16 are also arranged on the supporting parts 21.

Abstract

1. A dental patient's chair, having a pivotably mounted back rest which essentially consists of a -shaped support part (6) the crosspiece (10) of which adjoins the rear edge of the chair seat (3) and is connected to the chair seat by means of a hinge (5), and of a cushion layer (9) arranged on the support part, and which back rest has in its lower half, a free space which is directed towards the central axis of the back rest and has a width (a) in the direction of the longitudinal axis of the chair, of at least the width of the knee of an average person, and said chair having an arm rest (16) which is connected by means of a knuckle joint, on the one hand, to the back rest (4), and, on the other hand, to the seat (3), characterized in that the central bar (11) of the support part (6) extends to the upper edge of the back and on the central bar rests the face of a relatively thin cushion layer (9) which corresponds to the width (B) of the back and extends to the surface of the seat, and that, in the upper half of the back, lateral support parts (7, 8) of the same size are secured to the central bar (11) on either side thereof, at least one of said lateral support parts containing a bush (19) for the arm rest (16) and the other one thereof being detachably secured to the central bar (11).

Description

Die Erfindung bezieht sich auf einen zahnärztlichen Patientenstuhl mit einer schwenkbar gehalterten Rückenlehne, welche im wesentlichen aus einem festen Tragteil und einer darauf angeordneten Polsterauflage besteht und welche in ihrer unteren Hälfte eine zur Rückenlehnenmittelachse hin gerichtete Einbuchtung mit einer Breite in Richtung der Stuhllängsachse von zumindest der Kniebreite einer Durchschnittsperson aufweist.The invention relates to a dental patient chair with a swivel-mounted backrest, which essentially consists of a fixed supporting part and an upholstery pad arranged thereon and which has in its lower half an indentation directed towards the central backrest axis with a width in the direction of the longitudinal axis of the chair of at least the knee width an average person.

Es sind Patientenstühle bekannt, bei denen sich die Einbuchtung am unteren Ende der Rückenlehne, also prak-' tisch an der Übergangsstelle von Rückenlehne zu Stuhlsitz befindet. Die Einbuchtung ermöglicht zwar ein etwas besseres Heranrücken des Behandlers an den Patienten, sie erhöht jedoch gleichsam die Gefahr einer direkten Berührung zwischen Patient und Behandler. Nachteilig ist ferner, daß, wenn die Einbuchtung so tief ist, daß sie in den Bereich der Liegefläche des Patienten hineingeht, dann der Patient praktisch keine Gegenauflage hat, was von ihm als unangenehm empfunden wird.There are known patient chairs in which the indentation at the bottom of the backrest is so practical 'table at the crossing point of the backrest to the chair seat. The indentation allows the dentist to move closer to the patient, but it also increases the risk of direct contact between the patient and the practitioner. Another disadvantage is that if the indentation is so deep that she goes into the area of the patient's lying surface, then the patient has practically no counter-support, which he finds to be uncomfortable.

Aufgabe der Erfindung ist es, einen Patientenstuhl der eingangs genannten Art anzugeben, dem diese Nachteile nicht anhaften, insbesondere soll ein Unterfahren der Rückenlehne mit dem Knie des Behandlers ermöglicht werden, ohne daß sich dies für den Patienten als nachteilig auswirkt.The object of the invention is to provide a patient chair of the type mentioned at the outset, which does not have these disadvantages; in particular, the backrest can be passed under the knee of the practitioner without this having a disadvantageous effect on the patient.

Die gestellte Aufgabe wird bei einem Patientenstuhl der eingangs genannten Art gemäß der Erfindung dadurch erreicht, daß die Einbuchtung sich über eine Tiefe von etwa einem Viertel bis einem Drittel der Lehnenbreite quer zur Stuhllängsachse-erstreckt und daß die Polsterauflage so ausgebildet ist, daß sie die Einbuchtung überdeckt.The object is achieved in a patient chair of the type mentioned according to the invention in that the indentation extends across a depth of about a quarter to a third of the backrest width transversely to the longitudinal axis of the chair and in that the cushion cover is designed such that it has the indentation covered.

Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind in den Unteransprüchen enthalten. Die spezielle Ausbildung des Tragteils mit den abnehmbaren Seitentragteilen im oberen Bereich der Rückenlehne ermöglicht ein noch besseres Unterfahren der Rückenlehne mit den Knien des Behandlers, und zwar in allen Behandlungspositionen. Dieser Vorteil macht sich insbesondere in den 12.00 Uhr-Positionen stark bemerkbar, wo der Behandler beide Beine unter die Rückenlehne zu positionieren hat.Advantageous refinements and developments of the invention are contained in the subclaims. The special design of the support part with the removable side support parts in the upper area of the backrest enables the backrest with the knees of the practitioner to be passed underneath even better, in all treatment positions. This advantage is particularly noticeable in the 12 o'clock positions, where the dentist has to position both legs under the backrest.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

  • Fig. 1 bis 3 einen zahnärztlichen Patientenstuhl schräg von rückwärts in schaubildlicher Darstellung, mit jeweils modifizierter Rückenlehne,
  • Fig. 4 einen Ausschnitt der Rückenlehne von vorne bei abgenommener Polsterauflage.
An embodiment of the invention is explained below with reference to the drawing. Show it:
  • 1 to 3 a dental patient chair diagonally from the rear in a diagram, each with a modified backrest,
  • Fig. 4 shows a section of the backrest from the front with the cushion cover removed.

Die Fig. 1 zeigt in einer schaubildlichen Darstellung, und zwar schräg von rückwärts, einen zahnärztlichen Patientenstuhl mit einem Stuhlunterteil 1 und einem daran höhenverstellbar angeordneten Stuhloberteil 2, welches im wesentlichen aus einem Sitz 3 und einer Rückenlehne 4 besteht. Die Rückenlehne 4 ist mittels eines Verbindungsgelenks 5 am Sitz 3 schwenkbar gehaltert.1 shows a diagrammatic representation, diagonally from the rear, of a dental patient chair with a lower chair part 1 and an upper chair part 2 arranged thereon in an adjustable height, which essentially consists of a seat 3 and a backrest 4. The backrest 4 is pivotally mounted on the seat 3 by means of a connecting joint 5.

Die Rückenlehne 4 besteht im wesentlichen aus einem förmig ausgebildeten Basistragrahmen 6 mit im oberen Bereich seitlich daran befestigten Seitenteilen 7, 8 sowie einer auf der vorderen Seite der Rückenlehne aufgesetzten, relativ dünnen Polsterauflage 9 (Fig. 2). Der Quersteg 10 des Tragrahmens 6 ist beidseitig des Stuhles mittels des Verbindungsgelenkes 5 am Sitz angelenkt und verläuft harmonisch in einen bis zur Oberkante der Rückenlehne reichenden Mittelsteg 11 über (Fig. 2). Im Mittelsteg 11 des Tragrahmens 6 ist eine Tragstange 12 für ein Kopfpolster 13 verstellbar gehaltert.The backrest 4 essentially consists of a base support frame 6 in the form of a shape, with side parts 7, 8 attached to it laterally in the upper region, and a relatively thin cushion pad 9 placed on the front side of the backrest (FIG. 2). The transverse web 10 of the support frame 6 is articulated on both sides of the chair by means of the connecting joint 5 on the seat and runs harmoniously into a central web 11 reaching to the upper edge of the backrest (FIG. 2). In the central web 11 of the support frame 6, a support rod 12 is adjustably supported for a head cushion 13.

Die beiden Seitenteile 7, 8 und die Enden des Qüersteges 10 bilden in der unteren Hälfte der Rückenlehne beidseitig Einbuchtungen 14 (Fig. 1), die von der Polsterauflage 9 überdeckt werden. Die Einbuchtungen 14 erstrecken sich bei dem Ausführungsbeispiel nach Fig. 1 in Richtung der Stuhllängsachse 15 gesehen über eine Breite a, die etwa der Kniebreite eines durchschnittlichen Menschen entspricht und quer zur Stuhllängsachse 15 über eine Tiefe b, die etwa ein Viertel bis ein Drittel der Rückenlehnenbreite B entspricht. Nachdem die Einbuchtungen 14 beidseitig der Rückenlehne vorhanden sind, ergibt sich für die Breite des Mittelsteges 11 bei einer Tiefe der Einbuchtung von einem Drittel der Rückenlehnenbreite ebenfalls eine Stegbreite von einem Drittel der Rückenlehnenbreite.The two side parts 7, 8 and the ends of the crossbar 10 form indentations 14 (FIG. 1) on both sides in the lower half of the backrest, which are covered by the cushion cover 9. The indentations 14 1, viewed in the direction of the longitudinal axis 15 of the chair, extend over a width a which corresponds approximately to the knee width of an average person and transversely to the longitudinal axis 15 of the chair over a depth b which corresponds to approximately a quarter to a third of the backrest width B. After the indentations 14 are present on both sides of the backrest, there is also a web width of one third of the backrest width for the width of the central web 11 with a depth of the indentation of one third of the backrest width.

An den beiden Seitenteilen 7, 8 sind Armlehnen bzw. Armstützen 16 angelenkt.Armrests or armrests 16 are articulated on the two side parts 7, 8.

Die Fig. 2 zeigt den in Fig. 1 gezeigten Stuhl mit abgenommenem rechten Seitenteil 8. Aus der Darstellung ist ersichtlich, daß sich dadurch eine bis zur Oberkante der Rückenlehne erstreckende Einbuchtung ergibt, die das Unterfahren der Rückenlehne für einen auf der rechten Seite des Stuhles arbeitenden Behandler praktisch von der 9.00 Uhr- bis zur 11.00 Uhr-Position ermöglicht. Sofern der Patient in einer 9.00 Uhr-Position behandelt werden soll, der Behandler also bei stark geneigter Rückenlehne sich am Kopfende des Stuhles plazieren muß, ist es vorteilhaft, auch das linke Seitenteil 7 abzunehmen. Der Behandler kann so beide Beine unter die Rückenlehne plazieren, wobeider Abstand Patient zu Behandler extrem nah ist, ohne daß jedoch eine direkte Kontaktmöglichkeit zwi-schen Behandler und Patient im Liegebereich gegeben ist. Der Tragrahmen 6 bringt die erforderliche Stabilität, hingegen die Polsterauflage nur für eine gleichmäßige Flächenunter- bzw. -abstützung dient. Die Polsterauflage ist deshalb im Vergleich zum Tragrahmen relativ dünn ausgebildet; damit ein Umbiegen nach hinten verhindert wird, ist sie vorteilhafterweise mit einer Versteifung versehen. Diese kann z.B. aus einer federnden Einlage oder aus einem entsprechend vorgespannten Federkern bestehen. Vorteilhaft ist es, die Polsterauflage so auszubilden, daß sie nach vorne, also zum Patienten hin, elastisch, nach hinten aber weitgehend steif ist.FIG. 2 shows the chair shown in FIG. 1 with the right side part 8 removed. From the illustration it can be seen that this results in an indentation extending to the upper edge of the backrest, which allows the backrest to be passed underneath for one on the right side of the chair working practitioners practically from 9:00 a.m. to 11:00 a.m. If the patient is to be treated in a 9:00 o'clock position, that is to say if the backrest is strongly inclined, the practitioner must place himself at the head end of the chair, it is also advantageous to remove the left side part 7. The practitioner can thus place both legs under the backrest, the distance between the patient and the practitioner being extremely close, but without there being a direct possibility of contact between the practitioner and the patient in the lying area. The support frame 6 provides the required stability, whereas the cushion cover only serves for even surface support or support. The upholstery is therefore compared to the support frame relatively thin; In order to prevent bending backwards, it is advantageously provided with a stiffener. This can consist, for example, of a resilient insert or of a correspondingly prestressed spring core. It is advantageous to design the cushion cover so that it is elastic towards the front, ie towards the patient, but largely stiff towards the rear.

Wie aus der Fig. 3 ersichtlich ist, können im oberen Bereich der Polsterauflage seitlich zwei Ansätze 18 für eine Schulterabstützung angeordnet sein. Vorteilhafterweise ist diese Schulterabstützung Bestandteil der Polsterauflage, die zu diesem Zweck eine versteifte Rückwand oder Einlage aus einem elastischen Kunststoff, z.B. Polystyrol, oder einem anderen federnden Werkstoff enthalten kann.As can be seen from FIG. 3, two shoulders 18 for shoulder support can be arranged laterally in the upper region of the cushion pad. Advantageously, this shoulder support is part of the cushion pad, which for this purpose has a stiffened rear wall or insert made of an elastic plastic, e.g. Can contain polystyrene, or another resilient material.

Die Fig. 4 zeigt einen Ausschnitt aus der Rückenlehne von vorne gesehen bei abgenommener Polsterauflage 9 und läßt die Verbindung der Seitenteile mit dem Mittelsteg 11 erkennen. Zur Befestigung der Seitenteile 7 und 8 sind beidseitig Laschen 20 vorgesehen, die an Tragteilen 21 angeschweißt und am Mittelsteg 11 lösbar befestigt sind. An den Tragteilen 21 sind ferner Lagerbuchsen 19 für die Lagerung der Armlehnen 16 angeordnet. Zum Abnehmen der Seitenteile 7 bzw. 8braucht lediglich die Posterauflage 9, die z.B. mit Hilfe eines Klettenbandes od.dgl. am Tragrahmen 6 befestigt ist, abgenommen zu werden.Fig. 4 shows a section of the backrest seen from the front with the cushion pad 9 removed and shows the connection of the side parts to the central web 11. To fasten the side parts 7 and 8, tabs 20 are provided on both sides, which are welded to the support parts 21 and releasably attached to the central web 11. Bearing bushes 19 for mounting the armrests 16 are also arranged on the supporting parts 21. To remove the side parts 7 and 8, only the poster support 9 is needed, which e.g. with the help of a Velcro strap or the like. is attached to the support frame 6 to be removed.

Claims (8)

1. Zahnärztlicher Patientenstuhl mit einer schwenkbar gehalterten Rückenlehne, welche im wesentlichen aus einem festen Tragteil und einer darauf angeordneten Polsterauflage besteht und welche in ihrer unteren Hälfte eine zur Rückenlehnenmittelachse hin gerichtete Einbuchtung mit einer Breite (a) in Richtung der Stuhllängsachse von zumindest der Kniebreite einer Durchschnittsperson aufweist, dadurch gekennzeichnet daß die Einbuchtung (14) sich über eine Tiefe (b) von etwa einem Viertel bis einem Drittel der Lehnenbreite (B) quer zur Stuhllängsachse (15) erstreckt und daß die Polsterauflage (9) so ausgebildet ist, daß sie die Einbuchtung (14) überdeckt.1. Dental patient chair with a swivel-supported backrest, which essentially consists of a fixed supporting part and an upholstery pad arranged thereon, and which has in its lower half an indentation directed towards the central backrest axis with a width (a) in the direction of the longitudinal axis of the chair of at least the knee width Average person, characterized in that the indentation (14) extends over a depth (b) of about a quarter to a third of the backrest width (B) transversely to the longitudinal axis of the chair (15) and that the cushion cover (9) is designed such that it covers the indentation (14). 2. Zahnärztlicher Patientenstuhl nach Anspruch 1, dadurch gekennzeichnet , daß sich die Einbuchtung (14) bis zur Oberkante der Rückenlehne (4) erstreckt.2. Dental patient chair according to claim 1, characterized in that the indentation (14) extends to the upper edge of the backrest (4). 3. Zahnärztlicher Patientenstuhl nach Anspruch 1 oder 2, dadurch gekennzeichnet , daß ein ⊥ förmiges Basistragteil (6) für die Polsterauflage (9) vorhanden ist, dessen Quersteg (10) sich an die Hinterkante des Stuhlsitzes (3) anschließt und dessen Mittelsteg (11) bis zur Lehnenoberkante reicht, wodurch beidseitig der Rückenlehne (4) eine Einbuchtung (14) gebildet ist.3. Dental patient chair according to claim 1 or 2, characterized in that a ⊥-shaped base support part (6) for the upholstery support (9) is present, the transverse web (10) adjoins the rear edge of the chair seat (3) and the central web (11th ) extends to the upper edge of the backrest, whereby an indentation (14) is formed on both sides of the backrest (4). 4. Zahnärztlicher Patientenstuhl nach Anspruch 3, dadurch gekennzeichnet , daß in der oberen Lehnenhälfte beidseitig des Mittelsteges(11) des Basistragteils (6) Seitentragteile (7, 8) befestigt sind.4. Dental patient chair according to claim 3, characterized in that in the upper backrest half on both sides of the central web (11) the base support part (6) side support parts (7, 8) are attached. 5. Zahnärztlicher Patientenstuhl nach Anspruch 4, dadurch gekennzeichnet , daß die beiden Seitentragteile (7, 8) abnehmbar am Mittelsteg (11) des Basistragteils (6) gehaltert sind.5. Dental patient chair according to claim 4, characterized in that the two side support parts (7, 8) are detachably supported on the central web (11) of the base support part (6). 6. Zahnärztlicher Patientenstuhl nach Anspruch 5, dadurch gekennzeichnet , daß zumindest eines der beiden Seitentragteile (7, 8) eine Lagerbuchse (19) für eine Armstütze oder Armlehne (16) enthält.6. Dental patient chair according to claim 5, characterized in that at least one of the two side support parts (7, 8) contains a bearing bush (19) for an armrest or armrest (16). 7. Zahnärztlicher Patientenstuhl nach einem der Ansprüche 4 bis 6, dadurch gekennzeichnet , daß die Polsterauflage (9) und/oder die Seitentragteile (7, 8) Ansätze (18) für eine Schulterabstützung aufweisen.7. Dental patient chair according to one of claims 4 to 6, characterized in that the cushion cover (9) and / or the side support parts (7, 8) have approaches (18) for shoulder support. 8. Zahnärztlicher Patientenstuhl nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet , daß der Mittelsteg (11) eine Tragstange (12) für eine Kopfstütze (13) aufnimmt.8. Dental patient chair according to one of claims 3 to 7, characterized in that the central web (11) receives a support rod (12) for a headrest (13).
EP79102885A 1978-08-16 1979-08-09 Dentist's patient's chair with pivoted backrest Expired EP0008415B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2835813 1978-08-16
DE19782835813 DE2835813A1 (en) 1978-08-16 1978-08-16 DENTAL PATIENT CHAIR WITH SWIVEL-MOUNTED BACKREST

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EP0008415A1 true EP0008415A1 (en) 1980-03-05
EP0008415B1 EP0008415B1 (en) 1982-07-07

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Cited By (2)

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GB2129290A (en) * 1982-11-05 1984-05-16 Syntex Inc Patient support
EP1075828A3 (en) * 1999-08-12 2002-04-10 Gharieni GmbH Variable chair for cosmetic purposes or for massaging

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FR862593A (en) * 1939-12-28 1941-03-10 Balancing device for the backrest-headrest assembly of operating chairs such as chairs for dentists
US2341465A (en) * 1942-10-30 1944-02-08 Weber Dental Mfg Company Two-way clamp lock for dental chair backs and the like
US2671268A (en) * 1949-07-30 1954-03-09 Howard E Crawford Foot control for dental engines
DE2436211A1 (en) * 1973-07-27 1975-02-27 Hek Manufacturing Co DENTIST TREATMENT CHAIR
DE2121992B2 (en) * 1970-06-29 1975-06-26 K.K. Morita Seisakusho, Kyoto (Japan) Contoured dentist's chair - has lateral armrest projections shaped onto pivotable backrest and ergonomically correct to support upper arms and elbows
FR2268438A7 (en) * 1974-04-22 1975-11-14 Dentalmatic Dental work table positioning arm - has counterbalanced parallelogram linkages with brakes
DE2340605B2 (en) * 1973-08-10 1978-08-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Dental chair with padded backrest

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US4017118A (en) * 1976-04-19 1977-04-12 Cawley Reginald E Patient supporting device

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Publication number Priority date Publication date Assignee Title
FR862593A (en) * 1939-12-28 1941-03-10 Balancing device for the backrest-headrest assembly of operating chairs such as chairs for dentists
US2341465A (en) * 1942-10-30 1944-02-08 Weber Dental Mfg Company Two-way clamp lock for dental chair backs and the like
US2671268A (en) * 1949-07-30 1954-03-09 Howard E Crawford Foot control for dental engines
DE2121992B2 (en) * 1970-06-29 1975-06-26 K.K. Morita Seisakusho, Kyoto (Japan) Contoured dentist's chair - has lateral armrest projections shaped onto pivotable backrest and ergonomically correct to support upper arms and elbows
DE2436211A1 (en) * 1973-07-27 1975-02-27 Hek Manufacturing Co DENTIST TREATMENT CHAIR
DE2340605B2 (en) * 1973-08-10 1978-08-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Dental chair with padded backrest
FR2268438A7 (en) * 1974-04-22 1975-11-14 Dentalmatic Dental work table positioning arm - has counterbalanced parallelogram linkages with brakes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129290A (en) * 1982-11-05 1984-05-16 Syntex Inc Patient support
US4541671A (en) * 1982-11-05 1985-09-17 Syntex (U.S.A.) Inc. Patient support
EP1075828A3 (en) * 1999-08-12 2002-04-10 Gharieni GmbH Variable chair for cosmetic purposes or for massaging

Also Published As

Publication number Publication date
DE2835813A1 (en) 1980-02-28
EP0008415B1 (en) 1982-07-07
DE2835813C2 (en) 1987-03-19

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