EP2055444B1 - Drywaller marking gauge - Google Patents

Drywaller marking gauge Download PDF

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Publication number
EP2055444B1
EP2055444B1 EP08305742A EP08305742A EP2055444B1 EP 2055444 B1 EP2055444 B1 EP 2055444B1 EP 08305742 A EP08305742 A EP 08305742A EP 08305742 A EP08305742 A EP 08305742A EP 2055444 B1 EP2055444 B1 EP 2055444B1
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EP
European Patent Office
Prior art keywords
slide
blade
cutting
housing
holder
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.)
Not-in-force
Application number
EP08305742A
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German (de)
French (fr)
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EP2055444A1 (en
Inventor
Jean-Marc Bailly
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.)
Roger Mondelin Sas
Original Assignee
Roger Mondelin Sas
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Publication date
Application filed by Roger Mondelin Sas filed Critical Roger Mondelin Sas
Publication of EP2055444A1 publication Critical patent/EP2055444A1/en
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Publication of EP2055444B1 publication Critical patent/EP2055444B1/en
Not-in-force legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00Marking-out or setting-out work
    • B25H7/04Devices, e.g. scribers, for marking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B29/00Guards or sheaths or guides for hand cutting tools; Arrangements for guiding hand cutting tools
    • B26B29/06Arrangements for guiding hand cutting tools

Definitions

  • the invention relates to the technical sector of tracing apparatus and instruments used in particular in the field of building, and more particularly the trusquins of plasterers.
  • plasterboard trusquins which are arranged to bear against the edges of plasterboard by incorporating a cutting device of the blade cutter type to allow cutting to a pre-established width and set of said plates.
  • This truscan comprises a body (1) having a U-shaped configuration with two parallel branches (1a) defining between them a passage (2) for the partial introduction of the plasterboard.
  • a stop (3) adjustable in position serves as bottom support of the plasterboard.
  • a rule (4), fixed along one of the branches (1b) of the body, allows the appropriate positioning of the stop.
  • the body is extended at the rear by a handle shape (5) gripping for the user.
  • the body On its front face, the body receives the blade holder (6) with one or two blades (6a) to penetrate the thickness of the plasterboard and cut it.
  • This type of plasterboard is used to allow the cutting of plasterboard to a depth of 10 cm, that is to say to work essentially along the edges of plasterboard.
  • plasterboard can have widths of 0.6, 0.9 or 1.20 m, according to the current manufacturing standards, it is obvious that the plasterboard, of the type illustrated figure 1 , born can be used to cut plates only at inconsistent depths, except to successively make several cutting passes to the desired size.
  • Another parameter was that of designing a multifunctional plywood truscan by combining, as needed, the tracing and cutting functions, the tracing being able to concern all types of materials.
  • Another parameter was then to ensure a constant and controlled positioning between the tracing tool and the cutting tool and the safety of use of the tracing tool relative to the cutting tool.
  • the plasterboard truscan of the type incorporating a cutting blade holder and a positioning rule for ensuring the cutting adjustment, capable of allowing tracing on any material and large plasterboard cutting comprises a base fixed bearing a graduated ruler and a gripping handle and a movable body sliding on said ruler with a locking means in position according to the selected cutting distance, the movable body comprising a housing and a cover assembled and arranged internally with means allowing the receiving a slide-holder slider, and its reciprocating movement in cutting or non-use situation, the storage of the cutting blades in storage situation, the positioning of a tracing tool, the locking in position of the slide holder in the use of the pencil is remarkable in that the movable body, arranged perpendicularly to the ruler, has an elongated configuration with a median central location of a horizontal support shaft allowing the assembly of the housing and the cover on the one hand, and the positioning of the slide-bearing slide, in that that the housing has, in its lower part, on either
  • the plquiste truscan is referenced as a whole by (T) and is designed and adapted to work, that is to say to draw and to cut plasterboard of large dimensions, according to current standards from 0.9 m to 1.20 m, but it is designed and adapted for larger dimensions.
  • the plasterboard truscan (T) thus comprises a fixed base (10) which carries the graduated ruler (11) in any appropriate manner, and is equipped with a ergonomic grip (12) for easy handling.
  • the end of the ruler is fixed by gluing, screwing or otherwise.
  • This fixed base has a lower shoulder (10a) to allow its support against the edge of the plasterboard to work or any other material in the case of tracing .
  • the rule is of flat configuration in metallic material or other and has, on his apparent face, a graduation. In this case, the rule may have a useful length graduated 60 cm from the width of a 120 cm plasterboard allowing its reversibility of use.
  • the plasterboard truscan integrates the use of a movable body (CM) capable of sliding along the ruler, being able to be fixed and locked in position at a given precise location by means of a locking screw (8), depending on the measurement.
  • This movable body (CM) consists of a receiving shell (13) forming a housing and a lid (14) arranged differently and complementary configurations intended to be assembled together along their periphery (13a - 14a). complementary.
  • the movable body (CM) is arranged internally to allow the reception of a slide (15) blade holder in a reversible position to facilitate the manipulation of the operator, right-handed or left-handed, the storage of cutting blades (16) storage, the positioning of a tracing tool (17) of the pencil type, the locking in position of the slide-holder slide when using the pencil.
  • the movable body (CM) is thus arranged with means allowing its adjustment in position on the ruler and also the adjustment in position of the slide holder in the use or non-use position.
  • the movable body (CM) arranged perpendicular to the rule, has an elongated configuration with a median central location of a horizontal support shaft (18) for assembling the housing (13) and the cover (14) on the one hand, and the positioning of the slider (15) blade holder.
  • the housing (13) has, in its lower part, on either side of the axis (18), oblique zones (19) oblique support and displacement of the slide guide chamber. These zones are oriented angularly so that the cutting blade, mounted on the slide-holder slide, can leave the body (CM) by its horizontal lower part for the purpose of cutting, or retract as required, as well as will be specified later.
  • the housing (13) has a housing (20) defined by a raised flat shape (20a) and two half-cylinders (20b) for storing the cutting blades (16). Laterally, and on each side with respect to the median plane of the support shaft (18), the housing (13) and the cover (14) are arranged with a vertical opening (21) defining, after assembly, a conduit for the passage of the tracing tool, namely the marking pen (17).
  • This opening (21) can be arranged with projecting shapes (21a) in the form of ridges, for example, semi-cylindrical, to facilitate the grip of the pencil and its holding.
  • the two oblique (19) and identical indented zones are opposite with respect to the axis (18) and allow the reversible mounting in position of the blade-carrying slide. These two zones (19) allow the support and guidance of the slider in each of its positions which correspond to the manipulation of the truscan by a right-handed or left-handed operator.
  • the two zones (19) for receiving the slide-holder slider are extended to give the assembly an X configuration with, in the upper part of the branches (19a), the location of the support shaft (18). slide holder.
  • said zones (19) have a trapezoidal profile, as it appears in the drawings, with, in the upper plane, a cutout (22) allowing the housing of one end of the axis (23) in opposition to that in the light (14c).
  • the slider itself is arranged in a flattened configuration with a median portion (15a) comprising, at its base, a profile (15b) for bearing in the corresponding chamber (19) of the housing (13).
  • the slider In its lower plane, the slider has a projection (15c) of support of the cutting blade.
  • the slider In its upper plane, the slider has, on each of its side flanks (15d), another projection (15e) similar, parallel to the previous one, of the same profile to allow the passage and the carrying of the cutting blade.
  • the slide On its upper edge (15f), the slide has an axis (23) overflow, on each side, which serves to manipulate said slide manually output or retracted blade.
  • said slider has, in its rear part, a heel (15g) arranged with an oblong opening (15h) oriented along the longitudinal axis of the slider and allowing the passage of the axis (18) support.
  • the slider In its front part, the slider has a bearing abutment face (15m) which is inclined so that, when the slider is in the output position of the cutting blade, the front face forming the abutment of the slider is in a vertical plane for a function explained below.
  • the blade holder When using the pencil (17) the blade holder is in the retracted position, the blade no longer appears out of the movable body (CM), the abutment face (15m) comes into contact with the pencil, which prevents the blade to go out, so the user can trace safely.
  • the blade of the truscan is easily retractable and can be locked in the non-use position which optimizes the safety for the user.
  • the cover (14) comprises, in a complementary manner, oblong openings (14c) for the passage of the axis (23) for adjusting the position of the blade holder.
  • boss zones (14b) have a C configuration to abut against the cutting blade carried by the slider, and thus ensure complete maintenance thereof.
  • the cover may have curvilinear shapes (14d) protruding intended to bear on complementary housing (24) established on the receiving shell.
  • the housing (13) and the cover (14) have openings (25) and (14e) for the passage and sliding of the movable body on the strip of the truscan.
  • the housing (13) is extended opposite the receiving cavity of the various constituents, slider and cutting blade, with a base (26) in the form of a horizontal plate inside which opens the opening (25). for the passage of the ruler. Blocking and securing the cover to the housing is accomplished by a wing nut (27) or the like.
  • the blade-bearing slide In the non-use situation, the blade-bearing slide is in the retracted position, that is to say in the up position, the cutting blade not appearing.
  • the slider is presented in one or the other position, as shown in the figures of the drawings.
  • the operator proceeds to adjust the cutting length performed by the positioning of the movable body by its cover side side opposite the heel portion. Then, the operator unlocks the blade carrier brings the blade into cutting position, locks the slide again and thus can perform the operation.
  • the pencil is placed and introduced into the opening formed by the body facing the front stop of the slide-holder which prevents the cutting blade from coming out.
  • the plasterboard truscan is perfectly arranged to allow the cutting of plasterboard, according to large dimensions.
  • the reversibility in position of the truscan with a ruler length of the order of 60 cm allows work on any standard plate currently on the market of the order of 0.9 m to 1.20 m.
  • the mobile body has been designed in an optimization of its arrangement allowing any operator, right-handed or left-handed, to work, and this in complete safety.
  • Another advantage is that it allows, by the long length of its ruler, to draw a line perpendicular to a straight edge in the manner of a tee used in industrial design.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Knives (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Detergent Compositions (AREA)

Abstract

The marking gage (T) has a movable body (CM) sliding on a rule (11). The body has a receiving case (13) and a cover (14) which are assembled and internally arranged with authorizing units for authorizing the reception of a cutter blade holder sliding block in a reversible position, and authorizing the alternative displacement of the sliding block in cutting or non usage condition. The units authorize the arrangement of blades of a cutter in a storage condition, the positioning of a tracing tool (17), and the locking of the sliding block in a position in a pencil utilization condition.

Description

L'invention se rattache au secteur technique des appareils et instruments de traçage utilisés notamment dans le domaine du bâtiment, et plus particulièrement les trusquins de plaquistes.The invention relates to the technical sector of tracing apparatus and instruments used in particular in the field of building, and more particularly the trusquins of plasterers.

Le demandeur fabrique et commercialise, depuis de nombreuses années, des trusquins de plaquiste qui sont agencés pour venir en appui contre les chants de plaques de plâtre en incorporant un dispositif de coupe du type lame cutter pour permettre une découpe à une largeur pré-établie et réglée desdites plaques.The applicant has been manufacturing and marketing, for many years, plasterboard trusquins which are arranged to bear against the edges of plasterboard by incorporating a cutting device of the blade cutter type to allow cutting to a pre-established width and set of said plates.

On a ainsi illustré, au titre de l'art antérieur, un trusquin de plaquiste fabriqué par le demandeur. Ce trusquin comprend un corps (1) présentant une configuration en U avec deux branches parallèles (1a) définissant entre elles un passage (2) pour l'introduction partielle de la plaque de plâtre. Une butée (3) réglable en position sert d'appui de fond de la plaque de plâtre. Un réglet (4), fixé le long de l'une des branches (1b) du corps, permet le positionnement adapté de la butée. Le corps se prolonge à l'arrière par une forme en poignée (5) de préhension pour l'utilisateur. Sur sa face avant, le corps reçoit le porte-lame (6) avec une ou deux lames (6a) pour pénétrer dans l'épaisseur de la plaque de plâtre et la découper. Ce type de trusquin de plaquiste est utilisé pour permettre la découpe de plaques de plâtre jusqu'à une profondeur de 10 cm, c'est-à-dire pour travailler essentiellement le long des bordures de plaques de plâtre.It has thus been illustrated, under the prior art, a plasterboard trusquin manufactured by the applicant. This truscan comprises a body (1) having a U-shaped configuration with two parallel branches (1a) defining between them a passage (2) for the partial introduction of the plasterboard. A stop (3) adjustable in position serves as bottom support of the plasterboard. A rule (4), fixed along one of the branches (1b) of the body, allows the appropriate positioning of the stop. The body is extended at the rear by a handle shape (5) gripping for the user. On its front face, the body receives the blade holder (6) with one or two blades (6a) to penetrate the thickness of the plasterboard and cut it. This type of plasterboard is used to allow the cutting of plasterboard to a depth of 10 cm, that is to say to work essentially along the edges of plasterboard.

Si l'on considère que ces plaques de plâtre peuvent avoir des largeurs de 0,6, 0,9 ou 1,20 m, selon les standards actuels de fabrication, il est évident que les trusquins de plaquiste, du type de celui illustré figure 1, ne sont utilisables pour découper des plaques que sur des profondeurs peu conséquentes, sauf à faire successivement plusieurs passes de découpe jusqu'à la dimension voulue.If we consider that these plasterboard can have widths of 0.6, 0.9 or 1.20 m, according to the current manufacturing standards, it is obvious that the plasterboard, of the type illustrated figure 1 , born can be used to cut plates only at inconsistent depths, except to successively make several cutting passes to the desired size.

On connaît par le brevet US 6467174 un trusquin comprenant à partir d'une base fixe une règle graduée avec poignée de préhension incluant un corps mobile recevant intérieurement un porte-lame réglable en position et un moyen de marquage. L'utilisation de ce trusquin reste limitée et n'offre aucune possibilité d'utilisation réversible par des utilisateurs droitiers ou gauchers et travaillant sur des plaques de très grande largeur.We know by the patent US 6467174 a truscan comprising from a fixed base a graduated ruler with gripping handle including a movable body internally receiving a blade holder adjustable in position and a marking means. The use of this truscan remains limited and offers no possibility of reversible use by right-handed or left-handed users working on very wide plates.

Il n'existe pas sur le marché des appareils et instruments du type trusquin permettant d'obtenir en une seule passe la découpe d'une plaque de plâtre afin d'atteindre toute dimension de largeur comprise entre O et 1,20 m sur la totalité de l'amplitude de ces dimensions. Si l'opérateur ne veut pas procéder à différentes passes successives avec le trusquin de plaquiste du type précité, il n'a plus qu'à utiliser un outil de coupe électroportatif avec toutes les contraintes que cela pose, et surtout avec une finition de coupe très variable et selon une ligne de coupe pas forcément très régulière. De plus, s'il procède avec le trusquin illustré au titre de l'art antérieur en procédant à différentes passes successives, il perd la chute qu il aurait pu récupérer en la coupant en une seule passe.There is no on the market devices and instruments of the truscan type to obtain in a single pass the cutting of a plasterboard in order to achieve any dimension of width between 0 and 1.20 m on the whole the amplitude of these dimensions. If the operator does not want to make different successive passes with the plasterboard of the aforementioned type, he just has to use a power tool with all the constraints that it poses, especially with a cutting finish very variable and according to a line of cut not necessarily very regular. In addition, if he proceeds with the truscan illustrated under the prior art by performing successive successive passes, he loses the fall that he could have recovered by cutting it in one pass.

La démarche du demandeur a donc été de réfléchir à la conception d'un trusquin de plaquiste qui réponde parfaitement à ce besoin permettant de travailler sur de grandes longueurs et de traiter la plaque de plâtre dans la totalité de sa largeur jusqu'à 0,9 m ou 1,20 m, ou plus si nécessaire.The applicant's approach was therefore to think about the design of a plasterboard truss that perfectly meets this need to work on long lengths and to treat the plasterboard in its entire width up to 0.9 m or 1.20 m, or more if necessary.

Dans l'étude de ce trusquin, d'autres paramètres ont été inclus afin d'optimiser la conception et l'utilisation d'un nouveau trusquin de plaquiste. Ces paramètres sont ceux inhérents à l'opérateur, qu'il soit droitier ou gaucher, afin de faciliter les opérations de traçage et de coupe.In the study of this truscan, other parameters were included in order to optimize the design and use of a new plasterer's truscan. These parameters are those inherent to the operator, whether right-handed or left-handed, to facilitate tracing and cutting operations.

Un autre paramètre était celui de concevoir un trusquin de plaquiste qui soit multifonctions en combinant, selon les besoins, les fonctions de traçage et de découpe, le traçage pouvant concerner tous type de matériaux.Another parameter was that of designing a multifunctional plywood truscan by combining, as needed, the tracing and cutting functions, the tracing being able to concern all types of materials.

Un autre paramètre a été ensuite de s'assurer d'un positionnement constant et contrôlé entre l'outil de traçage et l'outil de découpe et la sécurité d'utilisation de l'outil de traçage par rapport à l'outil de découpe.Another parameter was then to ensure a constant and controlled positioning between the tracing tool and the cutting tool and the safety of use of the tracing tool relative to the cutting tool.

Tous ces paramètres qui résultent d'une réflexion très extensive sur l'intérêt d'un nouveau trusquin, paramètres issus de problèmes posés par le demandeur, ont amené ce dernier à la conception d'un nouveau trusquin de plaquiste optimisé.All these parameters, which result from a very extensive reflection on the interest of a new truscan, parameters resulting from problems posed by the applicant, led the latter to the design of a new optimized plaquiste trusquin.

La solution apportée par le demandeur répond à l'ensemble de ces besoins et paramètres, d'une manière simple, pratique pour l'opérateur et simplifie le travail de traçage et de découpage des plaques de plâtre de manière substantielle.The solution provided by the applicant meets all of these needs and parameters in a simple, practical manner for the operator and simplifies the work of plotting and cutting plasterboard substantially.

Selon une première caractéristique, le trusquin pour plaquiste du type incorporant un porte-lame de coupe et un réglet de positionnement pour assurer le réglage de coupe, apte à permettre un traçage sur tout matériau et coupe de plaque de plâtre de grande dimensions comprend une base fixe portant une règle graduée et une poignée de préhension et un corps mobile coulissant sur ladite règle avec un moyen de blocage en position selon la distance choisie de coupe, le corps mobile comprenant un boîtier et un couvercle assemblés et agencés intérieurement avec des moyens autorisant la réception d'un coulisseau porte-lame, et son déplacement alternatif en situation de coupe ou de non usage, le rangement des lames de coupe en situation de stockage, le positionnement d'un outil de traçage, le verrouillage en position du coulisseau porte-lame en situation d'utilisation du crayon, est remarquable en ce que le corps mobile, disposé perpendiculairement à la règle, présente une configuration allongée avec un emplacement central médian d'un axe support horizontal permettant l'assemblage du boîtier et du couvercle d'une part, et le positionnement du coulisseau porte-lame, en ce que le boîtier présente, dans sa partie basse, de part et d'autre de l'axe, des zones échancrées obliques d'appui et de déplacement du coulisseau formant chambre de guidage, et en ce que ces zones sont orientées angulairement de sorte que la lame de coupe, montée sur le coulisseau porte-lame, puisse sortir du corps par sa partie basse horizontale en vue de la coupe, ou se rétracter selon les besoins, autorisant une réversibilité d'utilisation par l'opérateur.According to a first feature, the plasterboard truscan of the type incorporating a cutting blade holder and a positioning rule for ensuring the cutting adjustment, capable of allowing tracing on any material and large plasterboard cutting comprises a base fixed bearing a graduated ruler and a gripping handle and a movable body sliding on said ruler with a locking means in position according to the selected cutting distance, the movable body comprising a housing and a cover assembled and arranged internally with means allowing the receiving a slide-holder slider, and its reciprocating movement in cutting or non-use situation, the storage of the cutting blades in storage situation, the positioning of a tracing tool, the locking in position of the slide holder in the use of the pencil is remarkable in that the movable body, arranged perpendicularly to the ruler, has an elongated configuration with a median central location of a horizontal support shaft allowing the assembly of the housing and the cover on the one hand, and the positioning of the slide-bearing slide, in that that the housing has, in its lower part, on either side of the axis, oblique notched areas of support and displacement of the slide guide chamber, and in that these areas are oriented angularly so that the cutting blade, mounted on the slide-holder slide, can leave the body by its horizontal lower part for the purpose of cutting, or retract as required, allowing a reversibility of use by the operator. ator.

Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.These and other characteristics will be apparent from the rest of the description.

Pour fixer l'objet de l'invention illustrée de manière non limitative aux figures des dessins où :

  • La figure 1 est une vue d'un trusquin de plaquiste, selon l'art antérieur, fabriqué par le demandeur, complétée par une vue partielle à grande échelle faisant apparaître les lames de coupe.
  • La figure 2 est une vue en perspective d'un trusquin de plaquiste, selon l'invention.
  • La figure 3 est une vue partielle en perspective du trusquin, selon la figure 2, dans son utilisation crayon.
  • La figure 4 est une vue en perspective du trusquin, selon la figure 2, en vue de dessous pour illustrer la position de la lame de coupe en situation d'utilisation.
  • La figure 5 est une vue en perspective éclatée avant montage du corps mobile du trusquin agencé pour la réception de l'outil de coupe comprenant le porte-lame et des lames de coupe, et de l'outil de traçage du type crayon. Dans cette figure, le porte-lame est représentée selon une première position.
  • La figure 6 est une vue en perspective éclatée avant montage du corps, le porte-lame n'étant pas représenté pour la compréhension de l'agencement intérieur de la coque du corps moulé réceptrice des composants de l'outil de coupe. Les lames stockées ne sont pas représentées afin de montrer le logement dans lequel elles sont placées.
  • Les figures 7A et 7B sont des vues en perspective du coulisseau porte-lame dans la position ¾ gauche ¾ droite.
  • La figure 8 est une vue en perspective du trusquin de plaquiste, selon l'invention, selon une autre orientation pour l'identification de la lecture directe de la position du corps mobile par rapport à son bras support.
  • La figure 9 montre le corps mobile avec ses deux éléments séparés, boîtier et couvercle séparés avant montage.
For fixing the object of the invention illustrated in a nonlimiting manner to the figures of the drawings where:
  • The figure 1 is a view of a plasterboard truscan, according to the prior art, manufactured by the applicant, supplemented by a large-scale partial view showing the cutting blades.
  • The figure 2 is a perspective view of a plasterboard truscan, according to the invention.
  • The figure 3 is a partial perspective view of the truscan, according to figure 2 , in his use pencil.
  • The figure 4 is a perspective view of the truscan, according to the figure 2 , seen from below to illustrate the position of the cutting blade in use situation.
  • The figure 5 is an exploded perspective view before mounting the movable body of the truscan arranged for receiving the cutting tool comprising the blade holder and cutting blades, and the pencil type tracing tool. In this figure, the blade holder is shown in a first position.
  • The figure 6 is an exploded perspective view before assembly of the body, the blade holder not being shown for the understanding of the interior arrangement of the shell of the molded body receiving the components of the cutting tool. The stored blades are not shown to show the housing in which they are placed.
  • The Figures 7A and 7B are perspective views of the slide slide in the left-right position.
  • The figure 8 is a perspective view of the plasterboard truscan, according to the invention, according to another orientation for the identification of the direct reading of the position of the movable body relative to its support arm.
  • The figure 9 shows the mobile body with its two separate elements, housing and lid separated before assembly.

Afin de rendre plus concret l'objet de l'invention, on le décrit maintenant d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is now described in a nonlimiting manner illustrated in the figures of the drawings.

Le trusquin de plaquiste, selon l'invention, est référencé dans son ensemble par (T) et est conçu et adapté pour travailler, c'est-à-dire tracer et pour couper des plaques de plâtre de grandes dimensions, selon les standards actuels de 0,9 m à 1,20 m, mais il est conçu et adapté pour des dimensions plus conséquentes.The plquiste truscan, according to the invention, is referenced as a whole by (T) and is designed and adapted to work, that is to say to draw and to cut plasterboard of large dimensions, according to current standards from 0.9 m to 1.20 m, but it is designed and adapted for larger dimensions.

Le trusquin de plaquiste (T) comprend ainsi une base fixe (10) qui porte la règle graduée (11) de toute manière appropriée, et est équipé d'une poignée de préhension (12) ergonomique facilitant la prise en mains. La fixation de l'extrémité de la règle s'effectue par collage, vissage ou autre. Cette base fixe présente un épaulement inférieur (10a) pour permettre son appui contre le chant de la plaque de plâtre à travailler ou tout autre matériau dans le cas du traçage.. La règle est de configuration méplate en matériau métallique ou autre et présente, sur sa face apparente, une graduation. En l'espèce, la règle peut présenter une longueur utile graduée de 60 cm par rapport à la largeur d'une plaque de plâtre de 120 cm permettant sa réversibilité d'utilisation.The plasterboard truscan (T) thus comprises a fixed base (10) which carries the graduated ruler (11) in any appropriate manner, and is equipped with a ergonomic grip (12) for easy handling. The end of the ruler is fixed by gluing, screwing or otherwise. This fixed base has a lower shoulder (10a) to allow its support against the edge of the plasterboard to work or any other material in the case of tracing .. The rule is of flat configuration in metallic material or other and has, on his apparent face, a graduation. In this case, the rule may have a useful length graduated 60 cm from the width of a 120 cm plasterboard allowing its reversibility of use.

Selon l'invention, le trusquin de plaquiste intègre l'utilisation d'un corps mobile (CM) susceptible de coulisser le long de la règle, en pouvant être fixé et bloqué en position à un endroit donné précis à l'aide d'une vis de blocage (8), et ce en fonction de la mesure. Ce corps mobile (CM) est constitué d'une coque de réception (13) formant boîtier et d'un couvercle (14) agencé différemment et de configurations complémentaires destinées à être assemblées entre elles le long de leur pourtour périphérique (13a - 14a) complémentaire. Le corps mobile (CM) est agencé intérieurement pour autoriser la réception d'un coulisseau (15) porte-lame dans une position de réversibilité pour faciliter la manipulation de l'opérateur, droitier ou gaucher, le rangement de lames de coupe (16) de stockage, le positionnement d'un outil de traçage (17) du type crayon, le verrouillage en position du coulisseau porte-lame en situation d'utilisation du crayon.According to the invention, the plasterboard truscan integrates the use of a movable body (CM) capable of sliding along the ruler, being able to be fixed and locked in position at a given precise location by means of a locking screw (8), depending on the measurement. This movable body (CM) consists of a receiving shell (13) forming a housing and a lid (14) arranged differently and complementary configurations intended to be assembled together along their periphery (13a - 14a). complementary. The movable body (CM) is arranged internally to allow the reception of a slide (15) blade holder in a reversible position to facilitate the manipulation of the operator, right-handed or left-handed, the storage of cutting blades (16) storage, the positioning of a tracing tool (17) of the pencil type, the locking in position of the slide-holder slide when using the pencil.

Le corps mobile (CM) est ainsi agencé avec des moyens permettant son réglage en position sur la règle et aussi le réglage en position du coulisseau porte-lame en position usage ou non usage.The movable body (CM) is thus arranged with means allowing its adjustment in position on the ruler and also the adjustment in position of the slide holder in the use or non-use position.

Plus précisément, le corps mobile (CM), disposé perpendiculairement à la règle, présente une configuration allongée avec un emplacement central médian d'un axe support horizontal (18) permettant l'assemblage du boîtier (13) et du couvercle (14) d'une part, et le positionnement du coulisseau (15) porte-lame. Le boîtier (13) présente, dans sa partie basse, de part et d'autre de l'axe (18), des zones échancrées (19) obliques d'appui et de déplacement du coulisseau formant chambre de guidage. Ces zones sont orientées angulairement de sorte que la lame de coupe, montée sur le coulisseau porte-lame, puisse sortir du corps (CM) par sa partie basse horizontale en vue de la coupe, ou se rétracter selon les besoins, ainsi qu'il sera précisé par la suite.More specifically, the movable body (CM), arranged perpendicular to the rule, has an elongated configuration with a median central location of a horizontal support shaft (18) for assembling the housing (13) and the cover (14) on the one hand, and the positioning of the slider (15) blade holder. The housing (13) has, in its lower part, on either side of the axis (18), oblique zones (19) oblique support and displacement of the slide guide chamber. These zones are oriented angularly so that the cutting blade, mounted on the slide-holder slide, can leave the body (CM) by its horizontal lower part for the purpose of cutting, or retract as required, as well as will be specified later.

Dans sa partie supérieure haute, le boîtier (13) présente un logement (20) défini par une forme plate en relief (20a) et deux demi-cylindres (20b) permettant le rangement des lames de coupe (16). Latéralement, et de chaque côté par rapport au plan médian de l'axe support (18), le boîtier (13) et le couvercle (14) sont aménagés avec une ouverture verticale (21) définissant, après assemblage, un conduit pour le passage de l'outil de traçage, à savoir le crayon de traçage (17). Cette ouverture (21) peut être agencée avec des formes en saillie (21a) sous forme de stries, par exemple, semi cylindriques, pour faciliter la prise du crayon et sa tenue. Les deux zones échancrées obliques (19) et identiques sont opposées par rapport à l'axe (18) et permettent le montage réversible en position du coulisseau porte-lame. Ces deux zones (19) permettent l'appui et le guidage du coulisseau dans chacune de ses positions qui correspondent à la manipulation du trusquin par un opérateur droitier ou gaucher. Les deux zones (19) de réception du coulisseau porte-lame sont prolongées pour donner, à l'ensemble, une configuration en X avec, dans la partie supérieure des branches (19a), l'emplacement de l'axe (18) support du coulisseau porte-lame. En pratique, lesdites zones (19) ont un profil trapézoïdal, comme il apparaît aux dessins, avec, dans le plan supérieur, une découpe (22) permettant le logement d'une des extrémités de l'axe (23) en opposition de celle dans la lumière (14c). Le coulisseau lui-même (15) est agencé dans une configuration méplate avec une partie médiane (15a) comprenant, à sa base, un profil (15b) pour venir en appui dans la chambre (19) correspondante du boîtier (13). Dans son plan inférieur, le coulisseau présente une saillie (15c) d'appui de la lame de coupe. Dans son plan supérieur, le coulisseau présente, sur chacun de ses flancs (15d) latéraux, une autre saillie (15e) similaire, parallèle à la précédente, de même profil pour autoriser le passage et le portage de la lame de coupe. Sur son chant supérieur (15f), le coulisseau présente un axe (23) en débordement, de chaque côté, qui sert à la manipulation dudit coulisseau manuellement en sortie ou rétractée de la lame. En outre, ledit coulisseau présente, dans sa partie arrière, un talon (15g) aménagé avec une ouverture oblongue (15h) orientée selon l'axe longitudinal du coulisseau et permettant le passage de l'axe (18) support. Dans sa partie avant, le coulisseau présente une face de butée (15m) d'appui qui est inclinée de sorte que, lorsque le coulisseau se trouve en position de sortie de la lame de coupe, la face avant formant butée du coulisseau se trouve dans un plan vertical pour une fonction explicitée ci-après.In its upper upper part, the housing (13) has a housing (20) defined by a raised flat shape (20a) and two half-cylinders (20b) for storing the cutting blades (16). Laterally, and on each side with respect to the median plane of the support shaft (18), the housing (13) and the cover (14) are arranged with a vertical opening (21) defining, after assembly, a conduit for the passage of the tracing tool, namely the marking pen (17). This opening (21) can be arranged with projecting shapes (21a) in the form of ridges, for example, semi-cylindrical, to facilitate the grip of the pencil and its holding. The two oblique (19) and identical indented zones are opposite with respect to the axis (18) and allow the reversible mounting in position of the blade-carrying slide. These two zones (19) allow the support and guidance of the slider in each of its positions which correspond to the manipulation of the truscan by a right-handed or left-handed operator. The two zones (19) for receiving the slide-holder slider are extended to give the assembly an X configuration with, in the upper part of the branches (19a), the location of the support shaft (18). slide holder. In practice, said zones (19) have a trapezoidal profile, as it appears in the drawings, with, in the upper plane, a cutout (22) allowing the housing of one end of the axis (23) in opposition to that in the light (14c). The slider itself (15) is arranged in a flattened configuration with a median portion (15a) comprising, at its base, a profile (15b) for bearing in the corresponding chamber (19) of the housing (13). In its lower plane, the slider has a projection (15c) of support of the cutting blade. In its upper plane, the slider has, on each of its side flanks (15d), another projection (15e) similar, parallel to the previous one, of the same profile to allow the passage and the carrying of the cutting blade. On its upper edge (15f), the slide has an axis (23) overflow, on each side, which serves to manipulate said slide manually output or retracted blade. In addition, said slider has, in its rear part, a heel (15g) arranged with an oblong opening (15h) oriented along the longitudinal axis of the slider and allowing the passage of the axis (18) support. In its front part, the slider has a bearing abutment face (15m) which is inclined so that, when the slider is in the output position of the cutting blade, the front face forming the abutment of the slider is in a vertical plane for a function explained below.

Lors de l'utilisation du crayon (17) le porte lame se trouve en position rétractée, la lame n'apparaissant plus hors du corps mobile (CM), la face de butée (15m) vient en contact avec le crayon, ce qui empêche la lame de sortir, l'utilisateur peut donc tracer en toute sécurité. Lors de son transport et en cas de non utilisation, la lame du trusquin est facilement rétractable et peut être verrouillée en position de non usage ce qui optimise la sécurité pour l'utilisateur.When using the pencil (17) the blade holder is in the retracted position, the blade no longer appears out of the movable body (CM), the abutment face (15m) comes into contact with the pencil, which prevents the blade to go out, so the user can trace safely. During transport and in case of non-use, the blade of the truscan is easily retractable and can be locked in the non-use position which optimizes the safety for the user.

Ainsi, après montage du coulisseau dans l'une ou l'autre chambre de guidage (19), ledit coulisseau est tenu, d'une part, par l'axe (18) support, l'appui de la chambre (19) correspondant tout en laissant déborder la lame de coupe, et aussi par des zones de bossage (14b) établies sur la face intérieure du couvercle (14). A cet égard, le couvercle (14) comprend, de manière complémentaire, des ouvertures oblongues (14c) pour le passage de l'axe (23) de réglage en position du porte-lame. Ces zones de bossage (14b) ont une configuration en C pour venir en appui contre la lame de coupe portée par le coulisseau, et ainsi assurer un maintien complet de celle-ci.Thus, after mounting the slide in one or the other guide chamber (19), said slide is held, on the one hand, by the axis (18) support, the support of the corresponding chamber (19). while leaving the cutting blade overflowing, and also by boss areas (14b) established on the inner face of the lid (14). In this respect, the cover (14) comprises, in a complementary manner, oblong openings (14c) for the passage of the axis (23) for adjusting the position of the blade holder. These boss zones (14b) have a C configuration to abut against the cutting blade carried by the slider, and thus ensure complete maintenance thereof.

Enfin, pour assurer une parfaite adaptation du couvercle (14) sur le boîtier, le couvercle peut présenter des formes (14d) curvilignes en saillie destinées à venir en appui sur des logements complémentaires (24) établis sur la coque de réception.Finally, to ensure a perfect adaptation of the cover (14) on the housing, the cover may have curvilinear shapes (14d) protruding intended to bear on complementary housing (24) established on the receiving shell.

Dans leur partie inférieure, le boîtier (13) et le couvercle (14) présentent des ouvertures (25) et (14e) pour le passage et coulissement du corps mobile sur la réglette du trusquin. Le boîtier (13) se prolonge à l'opposé de la cavité de réception des différents constituants, coulisseau et lame de coupe, avec une base (26) en forme de plaque horizontale à l'intérieur de laquelle débouche l'ouverture (25) pour le passage de la réglette. Le blocage et la fixation du couvercle sur le boîtier s'effectue par un écrou à ailettes (27) ou similaire.In their lower part, the housing (13) and the cover (14) have openings (25) and (14e) for the passage and sliding of the movable body on the strip of the truscan. The housing (13) is extended opposite the receiving cavity of the various constituents, slider and cutting blade, with a base (26) in the form of a horizontal plate inside which opens the opening (25). for the passage of the ruler. Blocking and securing the cover to the housing is accomplished by a wing nut (27) or the like.

Ces caractéristiques du corps mobile (CM) ayant été décrites, il y a lieu d'exposer les modalités d'utilisation de celui-ci par l'opérateur en charge de découper une plaque de plâtre.These characteristics of the mobile body (CM) having been described, it is necessary to expose the methods of use thereof by the operator in charge of cutting a plasterboard.

En situation de non utilisation, le coulisseau porte-lame est en position rétractée, c'est-à-dire en position haute, la lame de coupe n'apparaissant pas. Selon que l'opérateur est droitier ou gaucher, le coulisseau est présenté dans l'une ou l'autre position, comme représenté aux figures des dessins.In the non-use situation, the blade-bearing slide is in the retracted position, that is to say in the up position, the cutting blade not appearing. Depending on whether the operator is right-handed or left-handed, the slider is presented in one or the other position, as shown in the figures of the drawings.

L'opérateur procède au réglage de longueur à découper effectué par le positionnement du corps mobile par sa face côté couvercle à l'opposé de la partie talon. Ensuite, l'opérateur déverrouille le coulisseau porte-lame amène la lame en position de coupe, verrouille à nouveau le coulisseau et ainsi peut effectuer l'opération.The operator proceeds to adjust the cutting length performed by the positioning of the movable body by its cover side side opposite the heel portion. Then, the operator unlocks the blade carrier brings the blade into cutting position, locks the slide again and thus can perform the operation.

Lors d'opération de traçage, le crayon se trouve être disposé et introduit dans l'ouverture formée du corps en regard de la butée avant du coulisseau porte-lame ce qui empêche la lame de coupe de sortir.During tracing operation, the pencil is placed and introduced into the opening formed by the body facing the front stop of the slide-holder which prevents the cutting blade from coming out.

Ainsi, selon l'invention, le trusquin de plaquiste est parfaitement aménagé pour permettre la découpe de plaques de plâtre, selon des grandes dimensions. La réversibilité en position du trusquin avec une longueur de règle de l'ordre de 60 cm permet un travail sur toute plaque standard actuellement sur le marché de l'ordre de 0,9 m à 1,20 m. Le corps mobile a ainsi été conçu dans une optimisation de son agencement permettant à tout opérateur, droitier ou gaucher, de travailler, et ce en toute sécurité.Thus, according to the invention, the plasterboard truscan is perfectly arranged to allow the cutting of plasterboard, according to large dimensions. The reversibility in position of the truscan with a ruler length of the order of 60 cm allows work on any standard plate currently on the market of the order of 0.9 m to 1.20 m. The mobile body has been designed in an optimization of its arrangement allowing any operator, right-handed or left-handed, to work, and this in complete safety.

Outre les fonctions de découpe de plaques de plâtre et de traçage sur tout matériau résultant de la conception du trusquin et de ses composants, un autre avantage est qu'il permet, par la grande longueur de sa règle, de tirer un trait perpendiculaire à un bord droit à la manière d'un Té utilisé en dessin industriel.In addition to the functions of cutting plasterboard and tracing on any material resulting from the design of the truscan and its components, another advantage is that it allows, by the long length of its ruler, to draw a line perpendicular to a straight edge in the manner of a tee used in industrial design.

Claims (9)

  1. Dry liner's marking gauge of the type comprising a blade holder and a positioning straight edge for ensuring cutting adjustment, suitable for enabling marking out on any material and cutting of large-size gypsum boards and comprising a fixed base (10) attached to a rule (11) and a handle (12), and a moving part (CM) which slides on said rule with a means of blocking in position depending on the chosen cutting distance, the moving part (CM) comprising a housing (13) and a cover (14) assembled and internally designed with means making it possible to accommodate a blade-holder (16) slide (15) and allowing reciprocating displacement of the latter when cutting or when not in use, stowage of the cutting blades when in storage, positioning of the scribing tool (17), locking in position of the blade-holder slide when using a pencil, characterised in that the moving part (CM) arranged at right angles to the rule has an elongated configuration with a central median location for a horizontal support shaft (18) making it possible to assemble housing (13) and cover (14) on the one hand and to position the blade-holder slide (15) and in that the lower part of housing (13) has, either side of shaft (18), slanting cut-outs (19) allowing support and movement of the slide which form a guide chamber and in that these cut-outs are oriented at an angle so that the cutting blade, mounted on the blade-holder slide, can emerge from the lower horizontal part of moving body (CM) in order to make a cut or retract, as required, thereby enabling the operator to reverse the operating mode.
  2. Dry liner's marking gauge as claimed in claim 1, characterised in that the upper part of housing (13) has a compartment (20) defined by a relief platform (20a) and two half cylinders (20b) which makes it possible to stow cutting blades (16).
  3. Dry liner's marking gauge as claimed in claim 1, characterised in that, laterally and on either side relative to the median plane of support shaft (18), housing (13) and cover (14) have a vertical opening (21) which defines, after assembly, a hole through which the scribing tool can pass, namely marking pencil (17), and in that this opening (21) is designed with protruding shapes (2 1 a).
  4. Dry liner's marking gauge as claimed in claim 1, characterised in that the two identical sloping cut-outs (19) are symmetrically opposite either side of shaft (18) and allow the blade-holder slide to be mounted in position reversibly, make it possible to support and guide it in each of its positions and in that the two cut-outs (19) which accommodate the blade-holder slide are extended in order to produce an overall X shaped configuration with, in the upper part of the arms (19a), the location for shaft (18) which supports the blade-holder slide.
  5. Dry liner's marking gauge as claimed in claim 1, characterised in that said cut-outs (19) have a trapezoidal profile with a break (22) in its upper plane.
  6. Dry liner's marking gauge as claimed in any of claims 1, 4 and 5, characterised in that the actual slide (15) is designed with a flat configuration with a median part (15a) the base whereof comprises a profile (15b) which presses against the corresponding chamber (19) of housing (13) in its lower plane, in that the slide has a blade support protrusion (15c) in its upper plane, and in that the slide has, on each of its lateral flanks (15d), another similar protrusion (15e) which is parallel to protrusion (15c) and has the same profile in order to allow movement and support of the cutting blade.
  7. Dry liner's marking gauge as claimed in any of the claims 1, 4, 5 and 6, characterised in that, on its upper edge (15f), the slide has a shaft (23) which protrudes on either side and is used to manipulate said slide manually when the blade is deployed or retracted and in that the rear part of said slide has a stub (15g) with an oblong opening (15h) oriented along the longitudinal axis of the slide which allows support shaft (18) through and in that the front part of the slide has a support limit-stop face (15m) which slopes so that, when the slide is in its position where the cutting blade is deployed, the front face forming the limit stop of the slide is in a vertical plane and comes into contact with the pencil during the marking out operation.
  8. Dry liner's marking gauge as claimed in any of claims 1, 4, 5, 6 and 7, characterised in that cover (14) comprises oblong openings (14c) through which shaft (23) for adjusting the position of the blade holder passes and in that raised areas (14b) have a C shape configuration so that they press against the blade carried by the slide, thus ensuring the latter is fully secured.
  9. Dry liner's marking gauge as claimed in claim 1, characterised in that the lower part of housing (13) and cover (14) has openings (25) and (14e) so that the moving part can move and slide on the rule of the marking gauge and in that housing (13) extends away from the compartment which accommodates the various components, slide and blade, with a base (26) in the form of a horizontal plate into which opening (25) opens out so that the rule can pass through.
EP08305742A 2007-10-30 2008-10-28 Drywaller marking gauge Not-in-force EP2055444B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0758696A FR2922804A1 (en) 2007-10-30 2007-10-30 TRUSQUIN FOR PLAQUIST.

Publications (2)

Publication Number Publication Date
EP2055444A1 EP2055444A1 (en) 2009-05-06
EP2055444B1 true EP2055444B1 (en) 2009-12-30

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Application Number Title Priority Date Filing Date
EP08305742A Not-in-force EP2055444B1 (en) 2007-10-30 2008-10-28 Drywaller marking gauge

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EP (1) EP2055444B1 (en)
AT (1) ATE453491T1 (en)
DE (1) DE602008000486D1 (en)
ES (1) ES2336856T3 (en)
FR (1) FR2922804A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9259958B2 (en) 2013-08-15 2016-02-16 Stanley Black & Decker Inc. T-square
CN109015584B (en) * 2018-08-14 2022-01-28 中车唐山机车车辆有限公司 Line drawing and polishing tool clamping device
CN109702706B (en) * 2019-02-20 2023-12-26 上海机动车检测认证技术研究中心有限公司 Scribing device
CN112659087A (en) * 2020-04-30 2021-04-16 沪东中华造船(集团)有限公司 Scribing device for grooving stage of ship building ship plate
CN111730571A (en) * 2020-05-15 2020-10-02 沪东中华造船(集团)有限公司 Center scribing tool for T-shaped panel of ship

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600892A (en) * 1995-06-01 1997-02-11 Peugh; Glenn H. Dual side drywall panel cutter
US6629370B1 (en) * 1999-11-08 2003-10-07 Patrick J. Sposato Board cutter
US6467174B1 (en) * 2001-05-18 2002-10-22 Fatmir Kotori Combination scoring and marking apparatus for sheet goods and methods of use

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ES2336856T3 (en) 2010-04-16
DE602008000486D1 (en) 2010-02-11
FR2922804A1 (en) 2009-05-01
EP2055444A1 (en) 2009-05-06
ATE453491T1 (en) 2010-01-15

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