FR2734393A1 - Straight line potentiometer for electronic unit - Google Patents
Straight line potentiometer for electronic unit Download PDFInfo
- Publication number
- FR2734393A1 FR2734393A1 FR9506024A FR9506024A FR2734393A1 FR 2734393 A1 FR2734393 A1 FR 2734393A1 FR 9506024 A FR9506024 A FR 9506024A FR 9506024 A FR9506024 A FR 9506024A FR 2734393 A1 FR2734393 A1 FR 2734393A1
- Authority
- FR
- France
- Prior art keywords
- support
- cursor
- claws
- legs
- opening
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustable Resistors (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Description
-1--1-
PERFECTIONNEMENTS APPORTES A UN POTENTIOMETRE RECTILIGNE IMPROVEMENTS TO A RECTILINEAR POTENTIOMETER
L'invention se rapporte à des perfectionnements apportés à un potentio- The invention relates to improvements made to a potentio-
mètre rectiligne du type miniature et de ceux utilisés dans les appareils électroniques, lesdits perfectionnements apportant une fiabilité plus grande, rectilinear meter of the miniature type and of those used in electronic devices, said improvements bringing greater reliability,
une simplicité de montage et un meilleur coût de fabrication. simplicity of assembly and better manufacturing cost.
Les potentiomètres rectilignes conventionnels comprennent en général un boîtier pourvu d'une ouverture longitudinale de chaque côté de laquelle Conventional rectilinear potentiometers generally include a housing provided with a longitudinal opening on each side of which
se trouve au moins une piste électro-conductrice d'un côté et une électro- there is at least one electrically conductive track on one side and an electrically
résistive de l'autre, parallèles entre elles, ainsi qu'un support,avec une tige ou appendice de commande,susceptible d'un déplacement rectiligne le long de ladite ouverture, ledit support comportant une ou plusieurs pièces électro-conductrices ou curseurs qui établissent des ponts électriques resistive on the other, parallel to each other, as well as a support, with a control rod or appendage, capable of rectilinear displacement along said opening, said support comprising one or more electrically conductive parts or sliders which establish electric bridges
entre différents points desdites pistes. between different points of said tracks.
Dans une solution connue de l'état de la technique,la liaison dudit support du curseur au boîtier du potentiomètre s'effectue à partir de deux pattes élastiques appartenant audit support, en forme de fourche, terminées,chacune d'elles, par une griffe, qui se rapprochent lorsqu'elles sont introduites dans ladite ouverture longitudinale et, une fois la face interne de cette dernière dépassée, se séparent de manière à rester retenues par les bords In a solution known from the prior art, the connection of said cursor support to the potentiometer housing is effected by two elastic tabs belonging to said support, in the form of a fork, each terminated by a claw. , which approach when they are introduced into said longitudinal opening and, once the internal face of the latter exceeded, separate so as to remain retained by the edges
intérieurs de ladite ouverture longitudinale. interiors of said longitudinal opening.
L'accouplement de la pièce électro-conductrice, qui constitue le curseur, sur lesdites pattes en forme de fourche, est réalisée par ancrage sur des zones planes de fixation, des deux côtés des pattes, opération qui doit s'effectuer à partir d'une robotique de précision, à cause de ses dimensions réduites, ce qui accroît le coût du produit pour garantir une fabrication The coupling of the electrically conductive part, which constitutes the cursor, on said fork-shaped legs, is carried out by anchoring on flat fixing zones, on both sides of the legs, operation which must be carried out from precision robotics, because of its reduced dimensions, which increases the cost of the product to guarantee manufacturing
correcte du potentiomètre.potentiometer correct.
Néamoins, sur ledit potentiomètre rectiligne, il arrive que si, pour une quelconque intervention sur le circuit, ou pendant l'opération d'ancrage du curseur, lesdites pattes se rejoignent, ou sont déformées à cause de la chaleur, leurs griffes peuvent pénétrer, du moins en partie, dans l'ouverture Nevertheless, on said rectilinear potentiometer, it happens that if, for any intervention on the circuit, or during the anchoring operation of the cursor, said legs join, or are deformed because of the heat, their claws can penetrate, at least in part, in the opening
longitudinale et rester bloquer à l'intérieur de celle-ci, rendant inutili- longitudinal and get stuck inside it, making it useless
sable le fonctionnement du potentiomètre. Et si on essaye de débloquer ledit support en agissant sur lui pour corriger une anomalie, on peut détruire sand the operation of the potentiometer. And if we try to unlock the said support by acting on it to correct an anomaly, we can destroy
ledit curseur à cause de sa fragilité résultant de ses faibles dimensions. said cursor because of its fragility resulting from its small dimensions.
La fixation desdites pattes, sur une partie desquelles se fixe le curseur par ancrage, n'est pas dans n'importe quel des cas effective ou sûre et impose dans la plupart des cas des coûts de fabrication onéreux pour obtenir -2- The fixing of said legs, on a part of which the cursor is fixed by anchoring, is not in any case effective or safe and imposes in most cases expensive manufacturing costs to obtain -2-
un potentiomètre fini adéquate.an adequate finite potentiometer.
L'objet de l'invention consiste à solutionner lesdits inconvénients à partir d'un potentiomètre rectiligne dont les perfectionnements consistent essentiellement à doter le curseur d'une portion, par exemple présentant une inflexion rentrante, qui vient s'intercaler, lors du montage, entre les pattes en forme de fourche du support, empêchant la jonction desdites pattes et leur passage dans l'ouverture du boîtier. Ainsi ledit curseur possède des appendices, de sens opposés, qui pénètrent entre les paires de crochets élastiques du support, avec une action perpendiculaire à celle des griffes ou pattes en forme de fourche, le temps nécessaire pour que lesdits crochets montent sur les bords correspondants du curseur, le retenant fermement sans la nécessité d'effectuer un quelconque type d'ancrage, avec une économie The object of the invention consists in solving said drawbacks from a rectilinear potentiometer, the improvements of which essentially consist in providing the cursor with a portion, for example having a re-entrant inflection, which is inserted during assembly, between the fork-shaped legs of the support, preventing the junction of said legs and their passage through the opening of the housing. Thus said cursor has appendages, in opposite directions, which penetrate between the pairs of elastic hooks of the support, with an action perpendicular to that of the claws or legs in the form of a fork, the time necessary for said hooks to mount on the corresponding edges of the slider, holding it firmly without the need to perform any type of anchoring, with economy
conséquente dans le coût et une simplicité de mise en place. consistent in cost and simplicity of installation.
Les caractéristiques et les avantages de l'invention vont apparattre The characteristics and advantages of the invention will become apparent
plus clairement à la lecture de la description détaillée qui suit d'un mode more clearly on reading the following detailed description of a mode
de réalisation préféré de l'invention (avec diverses variantes) donné à titre preferred embodiment of the invention (with various variants) given as
d'exemple non limitatif et représenté aux dessins annexés. non-limiting example and shown in the accompanying drawings.
Sur ces dessins: - la figure 1 représente une vue de dessus de l'intérieur du potentiomètre rectiligne avec son boîtier découpé; In these drawings: - Figure 1 shows a top view of the interior of the straight potentiometer with its cut out housing;
- la figure la est une vue similaire à la précédente d'une variante du sup- - Figure la is a view similar to the previous one of a variant of the sup-
port et du curseur; - la figure 2 est une vue en élévation en coupe longitudinale selon le plan II-II montrant la fixation du curseur à son support; - la figure 3 correspond à la figure 2 tournée de 90 avec le boîtier en coupe, partiellement découpé, montrant la fixation du curseur à son support, port and cursor; - Figure 2 is an elevational view in longitudinal section on the plane II-II showing the attachment of the slider to its support; FIG. 3 corresponds to FIG. 2 turned 90 with the sectional box, partially cut out, showing the attachment of the slider to its support,
en mode coulissant.in sliding mode.
Le potentiomètre rectiligne,représenté aux figures, objet des perfec- The rectilinear potentiometer, represented in the figures, object of the perfec-
tionnements selon l'invention, est du genre comportant un bottier (1) pourvu d'une ouverture longitudinale (2) bordée, d'un côté, d'au moins une piste operations according to the invention is of the type comprising a boot (1) provided with a longitudinal opening (2) bordered, on one side, by at least one track
électro-conductrice (5) et, de l'autre côté, par au moins une piste électro- electrically conductive (5) and, on the other side, by at least one electrically
résistante (6), parallèle à la précédente, et un support (3) porteur d'au moins un curseur (4) qui établit un pont électrique entre les divers points desdites pistes (5) et (6), ledit support (3) possédant une tige de commande (7) et deux pattes de fixation élastiques (10), en forme de fourche, passant au travers de ladite ouverture (2), se terminant, chacune d'elles, par des griffes (11) maintenues par les bords externes de l'ouverture (2), permettant -3- resistant (6), parallel to the previous one, and a support (3) carrying at least one cursor (4) which establishes an electric bridge between the various points of said tracks (5) and (6), said support (3) having a control rod (7) and two elastic fixing legs (10), fork-shaped, passing through said opening (2), ending, each of them, by claws (11) held by the outer edges of the opening (2), allowing -3-
le déplacement dudit support et du curseur associé le long de ladite ouver- moving said support and the associated cursor along said opening
ture. Selon l'invention: - les pattes (10) intègrent des crochets élastiques (13,13a) opposés entre eux et situés aux extrémités opposées d'une ligne longitudinale de leur propre support (3,3a), perpendiculairement à l'axe transversal qui contient ture. According to the invention: - the legs (10) incorporate elastic hooks (13,13a) opposite to each other and located at the opposite ends of a longitudinal line of their own support (3,3a), perpendicular to the transverse axis which contains
les griffes (11) des pattes (10), lesdits crochets étant destinés à la fixa- the claws (11) of the legs (10), said hooks being intended for fixing
tion du curseur (4,4a) chevauchant sur les secteurs latéraux de celui-ci; - la partie centrale du curseur (4) comporte une portion (14) qui, dans la situation de montage dudit curseur sur le support (3,3a), reste intercalée tion of the cursor (4,4a) overlapping on the lateral sectors thereof; - The central part of the cursor (4) includes a portion (14) which, in the situation of mounting said cursor on the support (3.3a), remains interposed
entre lesdites pattes (10) dudit support. between said tabs (10) of said support.
Selon diverses réalisations de l'invention: - la portion (14) présente avantageusement une inflexion rentrante qui lui procure une élasticité dans le sens longitudinal et qui facilite la mise en place du curseur sur les crochets (13) et sa récupération ultérieure; According to various embodiments of the invention: - the portion (14) advantageously has a re-entrant inflection which gives it elasticity in the longitudinal direction and which facilitates the positioning of the cursor on the hooks (13) and its subsequent recovery;
- la tige (7) du support (3) du curseur (4) se termine par une portion élar- - the rod (7) of the support (3) of the cursor (4) ends in a widened portion
gie (8) logée, coulissante, entre les guides longitudinaux (9), en escalier, qui bordent l'entrée de l'ouverture (2), les pattes (10) partant de ladite partie (8); - deux paires de crochets élastiques (13), opposés deux à deux, coplanaires gie (8) housed, sliding, between the longitudinal guides (9), in staircase, which border the entry of the opening (2), the legs (10) starting from said part (8); - two pairs of elastic hooks (13), opposite two by two, coplanar
auxdites griffes (11), sont situés aux extrémités opposées d'une ligne longi- to said claws (11), are situated at the opposite ends of a line longi-
tudinale de leur propre support (3) perpendiculairement à l'axe transversal qui contient les pattes (10); - chacune des deux zones (12a), longitudinalement opposées, du curseur (4), tudinal of their own support (3) perpendicular to the transverse axis which contains the legs (10); - each of the two longitudinally opposite zones (12a) of the cursor (4),
se trouve en saillie par rapport à chacun des appendices (15), préférentiel- is projecting from each of the appendages (15), preferential-
lement rectangulaires, appartenant audit curseur; lesdites zones, qui appar- slightly rectangular, belonging to said cursor; said areas, which appear
tiennent aux bras élastiques (12) du curseur (4), s'appuient sur les pistes (5) et (6); lesdits appendices (15) s'intercalant entre chaque paire de crochets (13) lesquels, en outre, chevauchent sur des zones adjacentes des appendices (15) du même curseur (4), définissant sa fixation au support (3); hold on the elastic arms (12) of the cursor (4), rest on the tracks (5) and (6); said appendages (15) interposed between each pair of hooks (13) which, in addition, overlap on adjacent areas of appendages (15) of the same slider (4), defining its attachment to the support (3);
- les pattes (10),aptes à être introduites dans l'ouverture (2), sont nota- - the tabs (10), suitable for being inserted into the opening (2), are particularly
blement larges, les griffes (11) étant en saillie de la partie centrale de clearly wide, the claws (11) projecting from the central part of
leur face externe; les crochets élastiques (13), opposés deux à deux, appar- their external face; the elastic hooks (13), opposite two by two, appear
tenant à chaque patte (10), sont situés aux sommets extrêmes desdites pattes, des deux côtés des griffes (11), à une distance convenable de celles-ci; la attached to each leg (10), are located at the extreme tops of said legs, on both sides of the claws (11), at a suitable distance therefrom; the
distance entre les crochets (13) et les griffes (11) est telle qu'elle per- distance between the hooks (13) and the claws (11) is such that it
met le passage, avec jeu, des bras (12) du curseur (4). puts the passage, with play, of the arms (12) of the cursor (4).
-4- La figure la est une variante du support (3a) o les pattes (10) intègrent des crochets élastiques (13a), en opposition, situés aux extrémités opposées d'un ligne longitudinale de leur propre support (3a) perpendiculairement à l'axe transversal qui contient les griffes (11) desdites pattes, lesdits crochets (13a) servant à la fixation du curseur (4a), dépourvu dans ce cas -4- Figure la is a variant of the support (3a) where the legs (10) incorporate elastic hooks (13a), in opposition, located at the opposite ends of a longitudinal line of their own support (3a) perpendicular to the 'transverse axis which contains the claws (11) of said legs, said hooks (13a) used for fixing the cursor (4a), devoid in this case
des appendices (15), chevauchant sur les secteurs latéraux de celui-ci. appendages (15), overlapping on the lateral sectors thereof.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés pour lesquels on pourra prévoir d'autres variantes Of course, the invention is not limited to the embodiments described and shown for which we can provide other variants
essentiellement dans la forme des pièces constitutives sans pour celà sortir10 du cadre de l'invention. essentially in the form of the component parts without thereby departing from the scope of the invention.
-5--5-
Claims (6)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09500878A ES2109160B1 (en) | 1995-05-08 | 1995-05-08 | IMPROVEMENTS IN A RECTILINE POTENTIOMETER. |
FR9506024A FR2734393B1 (en) | 1995-05-08 | 1995-05-16 | IMPROVEMENTS TO A RECTILINEAR POTENTIOMETER |
EP96500057A EP0742566B1 (en) | 1995-05-08 | 1996-05-08 | Improvements in a straight-line potentiometer |
DE69632979T DE69632979T2 (en) | 1995-05-08 | 1996-05-08 | Improvements in a rectilinear potentiometer |
ES96500057T ES2225864T3 (en) | 1995-05-08 | 1996-05-08 | PERFECTION IN A RECTILINE POTENTIOMETER. |
AT96500057T ATE272247T1 (en) | 1995-05-08 | 1996-05-08 | IMPROVEMENTS IN A STRAIGHT LINE POTENTIOMETER |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES09500878A ES2109160B1 (en) | 1995-05-08 | 1995-05-08 | IMPROVEMENTS IN A RECTILINE POTENTIOMETER. |
FR9506024A FR2734393B1 (en) | 1995-05-08 | 1995-05-16 | IMPROVEMENTS TO A RECTILINEAR POTENTIOMETER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2734393A1 true FR2734393A1 (en) | 1996-11-22 |
FR2734393B1 FR2734393B1 (en) | 1997-06-27 |
Family
ID=26154883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9506024A Expired - Fee Related FR2734393B1 (en) | 1995-05-08 | 1995-05-16 | IMPROVEMENTS TO A RECTILINEAR POTENTIOMETER |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0742566B1 (en) |
AT (1) | ATE272247T1 (en) |
DE (1) | DE69632979T2 (en) |
ES (2) | ES2109160B1 (en) |
FR (1) | FR2734393B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0742566A2 (en) * | 1995-05-08 | 1996-11-13 | Navarra De Componentes Electronicos, S.A. | Improvements in a straight-line potentiometer |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1952319A1 (en) * | 1969-10-17 | 1971-04-29 | Preh Elektro Feinmechanik | Sliding resistance |
GB1305955A (en) * | 1969-10-10 | 1973-02-07 | ||
DE2521789A1 (en) * | 1975-05-16 | 1976-11-25 | Stg Schalttechnik Gmbh & Co Kg | Potentiometer or slide resistor - is used for direct, integral connection with circuit board containing further circuit components and has straight resistor track |
DE3502313A1 (en) * | 1984-01-24 | 1985-07-25 | Piher Navarra, S.A., Tudela, Navarra | DEVICE WITH A DEVICE FOR CHANGING THE ELECTRICAL RESISTANCE AND A DEVICE FOR CHANGING THE POWER LINE CONDITION IN ELECTRICAL CIRCUITS |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2282150A1 (en) * | 1974-08-13 | 1976-03-12 | Falco Eugenio | Linear potentiometer with adjacent track and collector - has connector lugs with spring contacts, held between housing and track base |
ES2010776A6 (en) * | 1988-08-05 | 1989-12-01 | Compel Sa | Device of resistance variable. (Machine-translation by Google Translate, not legally binding) |
ES2063695B1 (en) * | 1993-04-14 | 1997-12-01 | Navarra Componentes Electro | MINIATURE POTENTIOMETER AND PROCEDURE FOR ITS MANUFACTURE. |
ES2109160B1 (en) * | 1995-05-08 | 1998-07-01 | Navarra Componentes Electro | IMPROVEMENTS IN A RECTILINE POTENTIOMETER. |
-
1995
- 1995-05-08 ES ES09500878A patent/ES2109160B1/en not_active Expired - Fee Related
- 1995-05-16 FR FR9506024A patent/FR2734393B1/en not_active Expired - Fee Related
-
1996
- 1996-05-08 AT AT96500057T patent/ATE272247T1/en not_active IP Right Cessation
- 1996-05-08 ES ES96500057T patent/ES2225864T3/en not_active Expired - Lifetime
- 1996-05-08 DE DE69632979T patent/DE69632979T2/en not_active Expired - Fee Related
- 1996-05-08 EP EP96500057A patent/EP0742566B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1305955A (en) * | 1969-10-10 | 1973-02-07 | ||
DE1952319A1 (en) * | 1969-10-17 | 1971-04-29 | Preh Elektro Feinmechanik | Sliding resistance |
DE2521789A1 (en) * | 1975-05-16 | 1976-11-25 | Stg Schalttechnik Gmbh & Co Kg | Potentiometer or slide resistor - is used for direct, integral connection with circuit board containing further circuit components and has straight resistor track |
DE3502313A1 (en) * | 1984-01-24 | 1985-07-25 | Piher Navarra, S.A., Tudela, Navarra | DEVICE WITH A DEVICE FOR CHANGING THE ELECTRICAL RESISTANCE AND A DEVICE FOR CHANGING THE POWER LINE CONDITION IN ELECTRICAL CIRCUITS |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0742566A2 (en) * | 1995-05-08 | 1996-11-13 | Navarra De Componentes Electronicos, S.A. | Improvements in a straight-line potentiometer |
EP0742566A3 (en) * | 1995-05-08 | 1997-07-02 | Navarra Componentes Electro | Improvements in a straight-line potentiometer |
Also Published As
Publication number | Publication date |
---|---|
ES2225864T3 (en) | 2005-03-16 |
DE69632979T2 (en) | 2005-07-21 |
ES2109160B1 (en) | 1998-07-01 |
DE69632979D1 (en) | 2004-09-02 |
EP0742566A3 (en) | 1997-07-02 |
ATE272247T1 (en) | 2004-08-15 |
FR2734393B1 (en) | 1997-06-27 |
EP0742566B1 (en) | 2004-07-28 |
ES2109160A1 (en) | 1998-01-01 |
EP0742566A2 (en) | 1996-11-13 |
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Legal Events
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ST | Notification of lapse | ||
ST | Notification of lapse |
Effective date: 20090119 |