DK155273B

DK155273B - DENTAL APPLIANCE

Info

Publication number: DK155273B
Application number: DK347686A
Authority: DK
Inventors: Franz-Xaver Boeckh
Original assignee: Kaltenbach & Voigt
Priority date: 1985-07-25
Filing date: 1986-07-22
Publication date: 1989-03-20
Also published as: FR2585241A1; DE3526685C2; IT1193162B; DK155273C; DE3526685A1; IT8653674V0; IT8667590A0; FR2585241B1; DK347686A; DK347686D0

Description

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Opfindelsen angår et tandlægeapparat med en bakke, som fastholdes på en særskilt bærer ved hjælp af en bærearm, som med sin mod bæreren vendende ende er lejret svingbart i et horisontalt plan på bæreren ved hjælp af en drejetap, 5 idet drejetappen med den mod bæreren vendende ende er lejret i en langs en føringsbane retlinet i frem- og tilbagegående retning bevægelig slæde, som ved hjælp af løberuller kan bevæges på føringsbanen, idet tandlægeapparatet er tilvejebragt med udtrækkelige instrumentholdere.The invention relates to a dental apparatus with a tray which is held on a separate carrier by means of a support arm which with its end facing the carrier is mounted pivotably in a horizontal plane on the carrier by means of a pivot pin, the pivot pin with the one facing the carrier end is mounted in a carriage straight along a guide path reciprocating in the reciprocating direction, which can be moved on the guide track by means of roller rollers, the dental apparatus being provided with extendable instrument holders.

10 Et sådant apparat kendes fra DE offentliggørelses- skrift 3.230.248. Der drejer sig her om en behandlingsindretning, som er knyttet til en tandlægestol, og hvor der er tilvejebragt en sokkelbæreblok under tandlægestolens sokkel med en i stolens længderetning udformet slids, hvori føres 15 et giidestykke tæt ved gulvet. Glidestykket kan forskydes i tandlægestolens længderetning, og på det ud fra slidsen ragende stykke er der drejeligt placeret en stangindretning. Denne stangindretning er udformet med en horisontal, bevægelig bærearm, som hviler mod det nævnte ud fra slidsen ragende 20 stykke på glidestykket, og på hvis frie ende er fastgjort en som en søjle udformet lodret arm, i hvis øvre ende kan indføres en yderligere søjle, som kan drejes og som på teleskopvis kan indstilles i højden. Denne yderligere søjle virker som bærer for et fralægningsbord.10 Such an apparatus is known from DE Official Journal 3,230,248. This is a treatment device which is attached to a dental chair and in which a plinth support block is provided below the base of the dental chair with a slot formed in the longitudinal direction of the chair, in which a guide piece is guided close to the floor. The sliding piece can be displaced in the longitudinal direction of the dental chair, and on the piece projecting from the slot, a rod device is rotatably placed. This rod device is formed with a horizontal, movable support arm, which rests against the said 20 piece projecting from the slot on the sliding piece, and on the free end of which is attached a vertical arm formed as a column, in the upper end of which a further column can be inserted, which can be rotated and which can be adjusted in height telescopically. This additional pillar acts as a support for a laying table.

25 I DE patentskrift 2.060.277 er omtalt et tandlægeud styr, hvor en drejetap ikke er lejret ved en bevægelig slæde.DE patent specification 2,060,277 discloses a dental equipment in which a pivot pin is not mounted by a movable carriage.

Om end det for dette kendte apparat gælder, at ikke blot bærearmen ved hjælp af den vertikale drejetap, men også bæreren kan svinges om en vertikal akse, er bakkens 30 bevægelighed begrænset, således at en optimal indstilling af bakken, navnlig i forhold til den for det meste liggende patients hoved, ikke er mulig.Although it is true for this known apparatus that not only the support arm can be pivoted about a vertical axis by means of the vertical pivot pin, but also the carrier, the movement of the tray 30 is limited, so that an optimal adjustment of the tray, in particular with respect to mostly lying patient's head, is not possible.

Opfindelsen, som den er karakteriseret i krav 1, løser til eliminering af de forannævnte ulemper den opgave 35 at tilvejebringe et tandlægeapparat af den indledningsvis omhandlede art, med hvilket en væsentlig udvidet bevægelighed 2The invention as characterized in claim 1 solves, in order to eliminate the aforementioned disadvantages, the task 35 of providing a dental apparatus of the kind initially discussed, with which a substantially extended movement 2

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af bakken og dermed en optimeret indstilling af denne er sikret.of the tray and thus an optimized setting of this is ensured.

De med opfindelsen opnåede fordele skal i det væsentlige ses i, at der som følge af den ved hjælp af føringsbanen 5 muliggjorte frem- og tilbagevægelse af den bærearmen med bakken bærende drejetap skabes en yderligere frihedsgrad for bakken, hvorved den fortrinsvis om en vertikal akse i forhold til drejearmén drejelige bakke meget let kan indstilles i enhver ønsket stilling.The advantages obtained with the invention are essentially to be seen in the fact that as a result of the reciprocating and reciprocating of the support arm with the tray-bearing pivot pin made possible by means of the guideway 5, a further degree of freedom is created for the tray, whereby it preferably relative to the swivel arm swivel tray can be easily adjusted in any desired position.

10 Fordelagtige videreudviklinger af opfindelsen er angivet i underkravene og forklaret nærmere i det efterfølgende.Advantageous further developments of the invention are set out in the subclaims and explained in more detail below.

På tegningen vises eksempler på udførelsesformer for opfindelsen, idet 15 fig. 1 viser et billede af tandlægeapparatet, fig. 2 en del af tandlægeapparatet med bærer, bærearm og bakke set fra siden, delvis i snit, fig. 3 et snit langs linien III-III i fig. 2 i forstørret målestok, 20 fig. 4 et snit langs linien IV-IV i fig. 2 i forstør ret målestok, fig. 5 den i fig. 2 viste detalje, dels med drejetap-pen i den yderste venstre og bærearmen med bakke i den ne-derste, med optrukne linier tegnede position, dels med dre-25 jetappen i den yderste højre og bærearmen med bakke i den øverste, med punkterede linier tegnede position, fig. 6 et snit langs linien VI-VI i fig. 4 med ikke-hældende slæde, fig. 7 den i fig. 6 viste detalje med til højre opef-30 ter hældende slæde, fig. 8 den i fig. 6 viste detalje med til højre nedefter hældende slæde, og fig. 9 tandlægeapparatet set fra oven.The drawing shows examples of embodiments of the invention, in which fig. 1 shows a view of the dental apparatus, fig. 2 a part of the dental apparatus with carrier, support arm and tray seen from the side, partly in section, fig. 3 is a section along the line III-III in fig. 2 on an enlarged scale, fig. 4 is a section along the line IV-IV in FIG. 2 on an enlarged scale, fig. 5 the one in fig. 2, partly with the pivot pin in the far left and the support arm with tray in the lower, drawn line drawn position, partly with the pivot pin in the far right and the support arm with tray in the upper, with dotted lines drawn position, fig. 6 is a section along the line VI-VI in FIG. 4 with non-sloping carriage, fig. 7 the one in fig. 6 with a sledge sloping to the right, FIG. 8 the one in fig. 6 with sledge sloping to the right downwards, and fig. 9 the dental apparatus seen from above.

Tandlægeapparatet 1 omfatter som vist i fig. 1 en 35 stationær del la, hvorpå der findes en fortrinsvis om en vertikal akse svingbar udligger lb. På udliggeren lb er derThe dental apparatus 1 comprises, as shown in fig. 1 a stationary part 1a, on which there is a cantilever 1b which is pivotable about a vertical axis. On the outrigger lb there is

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3 med svingarme lc monteret en svingbar holdedel ld med fra-lægningsfordybninger for instrumentholdere 10, der ved hjælp af tilbagetrækningsorganer le er monteret udtrækbart. Holdedelen ld er forsynet med en gribebøjle lf. Tandlægeap-5 paratet 1 er tilknyttet en behandlingsstol 34, som optager patienten.3 with pivot arms 1c mounted a pivotable holding part 1d with laying-out recesses for instrument holders 10, which are mounted extendably by means of retraction means 1e. The holding part ld is provided with a gripping bracket lf. The dental apparatus 5 is attached to a treatment chair 34 which receives the patient.

Under holdedelen Id findes der en fortrinsvis om en vertikal akse svingbar bærer 2. På bæreren 2 holdes ved hjælp af en bærearm 3 en bakke 4. Bakken 4 kan være drejelig 10 om en vertikal akse 29, fortrinsvis om bakkens vertikale midterakse. Bærearmen 3 er med sin mod bæreren vendende ende 5 ved hjælp af en vertikal drejetap 6 lejret svingbart i et horisontalt plan på bæreren 2.Below the holding part Id there is a carrier 2 which can be pivoted about a vertical axis. A tray 4 is held on the carrier 2 by means of a support arm 3. The tray 4 can be rotatable 10 about a vertical axis 29, preferably about the vertical central axis of the tray. With its end 5 facing the carrier, the support arm 3 is pivotably mounted in a horizontal plane on the carrier 2 by means of a vertical pivot pin 6.

Den bærearmen 3 med bakken 4 bærende drejetap 6 er 15 ved hjælp af en på bæreundersiden forhåndenværende føringsbane 7 lejret således på bæreren 2, at den kan bevæges frem og tilbage. Bakken 4 tjener for det meste til forbigående optagelse af instrumentholdere eller instrumenter eller til optagelse af behandlingsmaterialer eller lignende. Som fig.The support arm 3 with the tray 4 carrying pivot pin 6 is 15 by means of a guide track 7 present on the support underside so as to be mounted on the carrier 2 that it can be moved back and forth. Tray 4 is mostly used for temporary recording of instrument holders or instruments or for recording treatment materials or the like. As fig.

20 2 viser, er bakken 4 forsynet med et håndtag 30.20 2, the tray 4 is provided with a handle 30.

Den i det væsentlige horisontalt forløbende føringsbane 7 kan principielt have et krummet forløb eller - som vist - et retliniet forløb.The substantially horizontally extending guideway 7 can in principle have a curved course or - as shown - a rectilinear course.

Drejetappen 6 er som sin mod bæreren vendende ende 5 25 lejret i en langs føringsbanen 7 bevægelig slæde 8, som kan bevæges i føringsbanen 7 ved hjælp af løberuller 9.The pivot pin 6, like its end 5 facing the carrier, is mounted in a carriage 8 movable along the guide path 7, which can be moved in the guide path 7 by means of roller rollers 9.

Føringsbanen 7 har tilnærmelsesvis samme retning som udtrækningsretningen A for instrumentholderne 10, der er anbragt udtrækbart på bæreren 2. Mere detaljeret er instru-30 mentholderne 10 anbragt på den over bæreren 2 forhåndenværende holdedel ld.The guide path 7 has approximately the same direction as the pull-out direction A of the instrument holders 10, which are arranged extendably on the carrier 2. In more detail, the instrument holders 10 are arranged on the holding part 1d present above the carrier 2.

Bærearmen 3 er lejret højdeindstilleligt på drejetappen 6, til hvilket formål sidstnævnte har flere ydre periferinoter 11, idet et på bærearmen 3 lejret låseelement 12 35 alt efter den indstillede højdeindstilling af bærearmen 3 kan gribe ind i en af periferinoterne 11. Låseelementet 12 4The support arm 3 is mounted height-adjustably on the pivot pin 6, for which purpose the latter has several outer peripheral grooves 11, a locking element 12 mounted on the support arm 3 being able to engage one of the peripheral grooves 11 depending on the set height adjustment of the support arm 3.

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udgøres af en med sin akse 13 vinkelret på drejetappens akse 14 forløbende, drejeligt på bærearmen 3 lejret holdébolt 15, som i den indstillede højdestilling med en del 16 af sin omkreds griber sideværts ind i en af periferinoterne 5 11, hvorhos der diametralt over for denne indgribende del 16 findes en indbugtning 17 i holdebolten 15, som efter drejning af holdebolten 15 gennem 180’ tillader passage af drejetappen 6 med henblik på højdeindstilling af bærearmen 3. Holdebolten 15 har et drejehåndtag 33, og i fig. 3 er de 10 to omdrejningsretninger for drejehåndtaget 33 antydet ved runde pile. Holdebolten 15 er lejret begrænset aksialt forskydeligt i bærearmen 3 mod virkningen af en positioneringsfjeder 18 og ved sin periferi forsynet med et stiftlignende låsefremspring 19, som under påvirkning af positionerings-15 fjederen 18 i det mindste i den drejestilling af holdebolten, i hvilken denne med en del af sin periferi griber sideværts ind i én af drejetappen 6's periferinoter 11, kan gribe ind i en bærearmen 3 tilknyttet låseudsparing 20.is constituted by a holding bolt 15 extending with its axis 13 perpendicular to the axis 14 of the pivot pin, rotatably mounted on the support arm 3, which in the set height position with a part 16 of its circumference engages laterally in one of the peripheral grooves 5 11, whereby diametrically opposite this engaging part 16 there is a bend 17 in the holding bolt 15, which after rotation of the holding bolt 15 through 180 'allows passage of the pivot pin 6 for height adjustment of the support arm 3. The holding bolt 15 has a turning handle 33, and in fig. 3, the two directions of rotation of the rotary handle 33 are indicated by round arrows. The holding bolt 15 is mounted limited axially displaceably in the support arm 3 against the action of a positioning spring 18 and provided at its periphery with a pin-like locking projection 19, which under the influence of the positioning spring 18 at least in the rotational position of the holding bolt in which part of its periphery engages laterally in one of the peripheral grooves 11 of the pivot pin 6, can engage in a support arm 3 associated with locking recess 20.

Denne anordning tjener til sikring af den nævnte 20 drejestilling af holdebolten 15.This device serves to secure the said position of rotation of the holding bolt 15.

I fig. 2 er der til bærearmen 3 til dens svingning om drejetappen 6's akse 14 yderligere knyttet en indstillelig svingningsbremse 31.In FIG. 2, an adjustable swing brake 31 is further attached to the support arm 3 for its pivoting about the axis 14 of the pivot pin 6.

Som det navnlig fremgår af figurerne 4 og 6-8, har 25 slæden 8 fire løberuller 9, som to og to er monteret på hver sin side af slæden og er bevægelige i en af to føringsskinner 28, som udgør føringsbanen 7, idet to over for hinanden beliggende løberuller 9 har en fælles aksel 21, hvorhos en af de to aksler er udformet som excenteraksel 22 og er 30 lejret i slæden 8 ved hjælp af en excenterskrue 23, ved hvis drejning en fra normalstillingen afvigende positiv eller negativ hældning af slæden 8 i forhold til de horisontalt forløbende føringsskinner 28 er indstillelig. Den positive hældning fremgår af fig. 7 og den negative hældning af 35 fig. 8. Fig. 6 viser normalstillingen af slæden 8.As can be seen in particular from Figures 4 and 6-8, the carriage 8 has four running rollers 9, two and two of which are mounted on each side of the carriage and are movable in one of two guide rails 28, which constitute the guide track 7, two above interconnecting rollers 9 have a common shaft 21, one of the two shafts being designed as an eccentric shaft 22 and being mounted in the carriage 8 by means of an eccentric screw 23, by the rotation of which a positive or negative inclination of the carriage 8 deviating from the normal position relative to the horizontally extending guide rails 28 is adjustable. The positive slope is shown in FIG. 7 and the negative slope of FIG. FIG. 6 shows the normal position of the sled 8.

Denne udformning tjener til udligning af afvigelser 5This design serves to compensate for deviations 5

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af slæden 8 fra den horisontale normalstilling. Til indstilling af excenterskruen 23 kan en i fig. 4 antydet skruetrækker 32 anvendes. Til excenterakselen 22 er der knyttet en stopskrue 24.of the carriage 8 from the horizontal normal position. To adjust the eccentric screw 23, one can see in fig. 4 screwdriver 32 is used. A stop screw 24 is attached to the eccentric shaft 22.

5 Med henblik på at den yderligere frihedsgrad for bakken 4 let kan indtages er det hensigtsmæssigt, at slæden 8 har en optimal gang, som kan etableres på særlig enkel måde ved, at der til slæden 8 er knyttet en på føringsbanen 7 virkende bremse 25. Udformningen er en sådan, at bremsen 10 udgøres af en påføringsbanen 7 indvirkende, i slæden 8 højdeindstilleligt lejret bremsedel 26, til hvis højdeindstilling der fndes en i slæden lejret stilleskrue 27.In order that the additional degree of freedom of the tray 4 can be easily consumed, it is expedient for the carriage 8 to have an optimal passage, which can be established in a particularly simple manner by having a brake 25 acting on the carriageway 7 attached to it. The design is such that the brake 10 is constituted by a brake part 26, which is mounted in the carriage 8 and which has a height-adjustable bearing in the carriage 8, for the height adjustment of which there is an adjusting screw 27 mounted in the carriage.

På bæreren 2 kan der findes flere føringsbaner 7 for hver sin af flere drejetappe 6, som hver bærer en bærearm 3 15 med bakke 4, hvorhos disse flere føringsbaner 7 forløber parallelt med hinanden.On the carrier 2 there can be several guide tracks 7 for each of several pivot pins 6, each of which carries a support arm 3 15 with tray 4, wherein these several guide tracks 7 run parallel to each other.

I fig. 9 er føringsbanen 7 hhv. flere føringsbaner 7 monteret forskydeligt på tværs af deres længdeudstrækning på bæreren 2.In FIG. 9 is the guideway 7 resp. several guideways 7 mounted slidably across their longitudinal extent on the carrier 2.

20 I fig. 9 er føringsbane-indstillingsretningen anskue- liggjort ved pilen 35 og slæde-indstillingsretningen ved pilen 36.In FIG. 9, the guideway setting direction is illustrated by the arrow 35 and the carriage setting direction by the arrow 36.

Claims

Dental device (1) with tray (4), which is held on a separate carrier (2) by means of a support arm (3), which with its end facing the carrier (5) is pivotally mounted in 5 a horizontal plane on the carrier by means of a pivot pin (6), the pivot pin (6) with its end (5a) facing the carrier (2) being mounted in a straight line along a guide path (7) in a reciprocating direction (8) movable in the reciprocating direction, which by running rollers (9) can be moved on the guide track (7), and with 10 extendable dental instrument holders, characterized in that the support arm (3) with the tray (4) carrying pivot pin (6) is mounted on the underside of the carrier (2), the support arm (3) is mounted height-adjustably on the pivot pin (6) and that the guide path (7) extends approximately in the same direction 15 as the pull-out direction (A) of the instrument holders (10), which are arranged extendably on the carrier (2).

Apparatus according to claim 1, characterized in that the pivot pin (6) has several outer peripheral grooves (11), a locking element (12) mounted on the support arm (3) for adjusting the height of the support arm (3) being able to engage in one of the peripheral notes (11).

Apparatus according to claim 2, characterized in that the locking element (12) is constituted by a holding bolt (15) mounted with its axis (13) perpendicular to the axis (14) of the pivot (6) and rotatably mounted on the support arm (3), which in the set height adjustment with a part (16) of its circumference engages laterally in one of the peripheral grooves (11), whereby a dent (17) in the holding bolt (15) is located diametrically opposite this engaging part (16), which after rotation of the holding bolt (15) allows passage of the pivot pin (6) for the purpose of adjusting the height of the support arm (3), (Fig. 3).

Apparatus according to claim 3, characterized in that the holding bolt (15) is mounted limited axially displaceably in the support arm (3) against the action of a positioning spring (18) and is provided at its circumference with a locking projection (19), which, under the influence of the positioning spring (18) at least in the rotational position of the retaining bolt, in which it with a part of its circumference engages laterally in one of the peripheral grooves (11) on the pivot pin (6), can engage in a support arm (3) attached to the locking recess (20).

Apparatus according to claims 1-4, characterized in that the carriage (8) has four running rollers (9), two and two of which are mounted on opposite sides of the carriage and are movable in one of two guide rails (28), which constitutes the guide track (7), each two opposite roller (9) having a common shaft (21), one of the two shafts being formed as an eccentric shaft (22) and being mounted in the carriage (8) by means of an eccentric screw (23), by the rotation of which a deviation of the carriage (8) deviating from the normal position relative to the guide rails (28) is adjustable, (Figs. 6-8).

Apparatus according to claim 5, characterized in that a stop screw (24) is attached to the eccentric shaft (22).

Apparatus according to claims 1-6, characterized in that a brake (25) acting on the guide track 20 (7) is attached to the carriage (8).

Apparatus according to claim 7, characterized in that the brake is constituted by a brake part (26) adjustable in the carriage (7) acting on the guide track (7), for the height adjustment of which there is an adjusting screw (27) mounted in the carriage.

Apparatus according to claims 1-8, characterized in that on the carrier (2) there are several guide tracks (7) for each of several pivot pins (6), each of which carries a support arm (3) with tray (4).

Apparatus according to claim 1, characterized in that the guide paths (7) run parallel to each other.

Apparatus according to claims 1-10, characterized in that the guideway (7) resp. several guide tracks (7) are mounted slidably across their longitudinal direction on the carrier (2), (Fig. 9).