EP3328661B1 - Instrument d'écriture à unité de commande à retour automatique - Google Patents

Instrument d'écriture à unité de commande à retour automatique Download PDF

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Publication number
EP3328661B1
EP3328661B1 EP16753276.1A EP16753276A EP3328661B1 EP 3328661 B1 EP3328661 B1 EP 3328661B1 EP 16753276 A EP16753276 A EP 16753276A EP 3328661 B1 EP3328661 B1 EP 3328661B1
Authority
EP
European Patent Office
Prior art keywords
cam
writing instrument
operating unit
writing
rotatably mounted
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.)
Active
Application number
EP16753276.1A
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German (de)
English (en)
Other versions
EP3328661A1 (fr
Inventor
Stefan Niemeyer
Hendrik SASSENBERG
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.)
Montblanc Simplo GmbH
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Montblanc Simplo GmbH
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Publication date
Application filed by Montblanc Simplo GmbH filed Critical Montblanc Simplo GmbH
Publication of EP3328661A1 publication Critical patent/EP3328661A1/fr
Application granted granted Critical
Publication of EP3328661B1 publication Critical patent/EP3328661B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
    • B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
    • B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/08—Protecting means, e.g. caps
    • B43K23/12—Protecting means, e.g. caps for pens
    • B43K23/128—Protecting means, e.g. caps for pens with spring means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/12—Ball-point pens with retractable ball points
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K7/00—Ball-point pens
    • B43K7/005—Pen barrels

Definitions

  • the invention relates to a writing instrument and in particular to a ballpoint pen according to the preamble of patent claim 1.
  • Ballpoint pens usually contain a housing, a writing medium spring-loaded therein, for example a writing refill or a large-capacity refill, and an adjustment mechanism.
  • Ballpoint pens have an operating unit on one operating side, with the ballpoint pen being able to be actuated either by a pushbutton arranged on the operating unit or by rotating the operating unit itself.
  • a rotatable control unit it usually locks into a first or a second control position after it has been actuated, depending on the direction of rotation.
  • the writing lead In the first operating position, the writing lead is in a writing position that is pushed forward out of the housing, so that the tip of the writing material protrudes from the housing.
  • the writing means In a second operating position, the writing means is in a retracted storage position in the housing, in which the writing means is completely removed from the housing is recorded. Ballpoint pens of this type are described in detail in the prior art.
  • U.S. 2,624,314 describes, for example, a ballpoint pen with a retractable writing refill that can be operated via a control button.
  • a control button When the operating button is pressed down, an adjustment mechanism is locked in place so that the tip of a writing medium protrudes from the housing. Pressing it down again releases the locking mechanism of the adjustment mechanism and the writing material is pushed into a retracted storage position by a spring.
  • DE 103 32 844 describes a hand-held writing instrument that has both a writing refill and a stylus.
  • Rotation of a rear housing member actuates a displacement mechanism that longitudinally advances a writing lead while simultaneously longitudinally displacing a stylus to a retracted storage position.
  • Rotating the rear housing member in an opposite direction advances the stylus longitudinally axially while simultaneously shifting the refill to a retracted storage position.
  • a cam pin for moving the writing lead and another cam pin for moving the input pen are mechanically connected to a cam sleeve with slot-shaped guide curves.
  • the slit-shaped guide curves of the curve sleeve are arranged one above the other and run helically in opposite directions. Both the input pen and the writing lead are in a retracted storage position in the housing between a first and a second operating position.
  • JP H07 237394A shows a pen with a rotatable cap, which is connected to a coupling member and this via a pin with a cam cylinder, which is used to move the writing lead.
  • EP 0 496 944 A1 discloses a writing implement with a conventional twist mechanism of a ballpoint pen, which is designed to use a twist mechanism of a pencil.
  • a blocking part is used for this purpose, which can be brought into a release position and a blocking position and, in the blocking position, limits the rotation of an actuating element to a specific area of a guide curve.
  • the operating unit remains in the controlled operating position at the rear end of the housing.
  • This can be disadvantageous, particularly in the case of valuable writing implements with imprints on the housing, high-quality decorations or complex engravings, since the locking of the twisted housing halves in an operating position means that the pattern on the writing implement is no longer consistent, which can adversely change the overall appearance of the writing implement .
  • a writing instrument having a housing for receiving a writing lead along a longitudinal axis, an operating side and a writing side, an adjustment mechanism mounted in the housing with a guide sleeve and a curved pin arranged concentrically therein and spring-loaded along the longitudinal axis on the writing lead, which has a The end of the writing lead can be brought into engagement, with the cam pin being able to be brought into at least two detent positions offset from one another along the longitudinal axis.
  • the writing instrument also has a control arrangement with a reset device, a freewheel, with an operating unit arranged on the operating side can be coupled and a cam sleeve that can be coupled with the freewheel.
  • the cam sleeve has a sliding surface curved on one side for a contact surface of the cam pin.
  • the contact surface can be designed in the form of a projection.
  • the resetting device exerts a reverse turning force on the operating unit.
  • the freewheel is a first rotatably mounted body with a circumferential recess and is at least partially operatively connected to a second concentrically rotatably mounted body.
  • One of the first and second rotatably mounted bodies is freely rotatable about an angular range about its longitudinal axis and, outside this angular range, transmits a rotation from the operating unit to the cam sleeve.
  • the writing implement consequently differs from known writing implements and in particular ballpoint pens with a rotary mechanism in terms of the control arrangement, which has the reset device, the freewheel and the cam sleeve.
  • the control arrangement makes it possible to bring the operating unit back into a neutral position after the actuation and locking of the writing cartridge, without changing the set position of the writing cartridge. Due to the resetting device, a restoring force acts on the operating unit, which resets the operating unit to its original position after it has been actuated.
  • the cam sleeve is a device that converts a rotary movement initiated by the operating unit into an axial movement.
  • the cam sleeve can thus move the cam pin and thus the writing lead in the axial direction, with the cam pin having at least one contact surface for this purpose, preferably in the form of a projection, which is guided on the sliding surface.
  • the curved sleeve preferably has a helical shape with locking recesses that are offset longitudinally and axially, which have a sliding surface that is curved on one side are connected to each other.
  • the locking recesses are suitable for accommodating a projection of the cam pin, which is guided along the sliding surfaces.
  • the freewheel can selectively allow or prevent a transmission of torque between the operating unit and the cam sleeve. At the same time, this makes it possible to prevent the writing refill from moving from its extended or retracted position into the respective other position when the operating unit is rotated back into a neutral position.
  • the realization of the freewheel should preferably be carried out in such a way that a reliable transmission of torque takes place, but at the same time a high return accuracy of the operating unit is achieved.
  • the freewheel preferably has an elongate, cylindrical shape with a recess that extends over part of the circumference.
  • the recess can be shaped differently and can extend over the entire longitudinal axis of the freewheel or only in one or more partial areas of the freewheel.
  • the recess of the freewheel is preferably suitable for accommodating a second body that is mounted concentrically so that it can rotate. This preferably has an elongated, web-like projection with at least a first contact surface and a second contact surface and is integrated into the inner side of the housing of the operating unit.
  • the freewheel When the second rotatably mounted body rotates beyond the angular range of the recess of the freewheel, the freewheel is carried along by the projection of the second rotatably mounted body through surface contact between the recess and the second contact surface of the projection of the second body and together with this around the Longitudinal rotated.
  • the second rotatably mounted body can rotate freely within the angular range of the recess of the freewheel.
  • the second rotatably mounted body may have other shapes, such as a short, compact projection.
  • the recess can be integrated into the inside of the housing of the operating unit and the freewheel can have a protruding body instead of a recess, preferably in the form of a projection or a web, and thus be based on a kinematic reversal.
  • the position of the operating unit is always the same regardless of the locking position of the writing cartridge, so that any decorations or patterns on the outside of the housing of the writing instrument and thus the overall appearance of the writing instrument are not disturbed.
  • the restoring device has a spring mechanism in which a spring force acts on the operating unit and resets it to an original base or neutral position.
  • the restoring force can be realized by leaf springs, coil springs, magnets, rubber elements or the like. The forces resulting from the spring mechanism can act both parallel to the longitudinal axis and transverse to it.
  • the restoring device has a cam bushing and a second body which can be rotated concentrically thereto and which rotate the operating unit back into a neutral position after it has been actuated.
  • the cam bushing or the second concentrically rotatable body is spring-loaded.
  • the second body, which can be rotated concentrically to the cam bushing can be designed, among other things, as a separate projection.
  • a further possibility is the combination of the second concentrically rotatably mounted body of the freewheel and the second concentrically rotatably mounted body of the restoring device in the form of a common, elongated or bar-shaped body with a first and a second contact surface.
  • the operating unit is preferably implemented in the form of a cap or a non-removable component resembling a cap, which is arranged on the operating side of the writing implement.
  • the cam bushing is integrated into the housing in a rotationally fixed manner and is displaceable along the longitudinal axis.
  • a force acting parallel to the longitudinal axis, preferably in the form of the second concentrically rotatable body, is inclined planes of the cam bushing are directed to the operating unit and causes an axially acting force.
  • the cam bushing can have a projection which can be arranged in a preferably elongated recess in the form of a slot and can be displaced longitudinally and axially in this recess. A rotary movement of the cam bushing can thus be prevented.
  • the cam bushing can also have an elongate shaped recess, in which a longitudinally axially displaceable body can be arranged.
  • the non-rotatable curved socket allows for a particularly compact design of the writing instrument.
  • the guide sleeve has a first sliding surface in the form of a recess, for example in the form of a first slot, and the cam bushing has a projection shaped to correspond to the recess.
  • the guide sleeve forms a slide rail along the longitudinal axis, in which the projection of the cam bushing engages and along which the cam bushing can slide. This allows the cam bushing to slide along the guide sleeve without twisting, so that trouble-free power transmission is guaranteed.
  • the guide sleeve has a second sliding surface in the form of a second recess, for example in the form of a second slot for receiving a projection of the cam pin. Due to the second recess and the protrusion of the cam pin mounted in it so that it can be displaced longitudinally axially, the cam pin is secured against rotation but is arranged so that it can be displaced longitudinally axially in the housing.
  • the first and the second recess of the guide sleeve can be part of the guide sleeve both individually and together, but they do not necessarily have to be integrated together in the guide sleeve.
  • the cam bushing has a sliding surface for a first contact surface of the second, preferably elongate, body that is rotatably mounted concentrically thereto.
  • the second body, which is mounted rotatably concentrically to the cam bushing is preferably designed in the form of a web which is integrated in the operating unit, in particular a cap or a similar component.
  • the web can be designed in such a way that it enters into an operative connection in the form of a linear or planar contact with the cam bushing and also with the freewheel.
  • the projections as individual projecting bodies.
  • the sliding surface of the cam bushing can be straight, curved or the like, as required. This enables an individual and/or particularly space-saving possibility of power transmission.
  • the cam bushing has two inclined planes running towards one another.
  • the inclined planes can have the same or different lengths. Running towards one another, they form a common lowest point, which at the same time corresponds to the neutral position of the writing instrument.
  • the cam bush is straight on the opposite side of the inclined plane and is therefore suitable as a contact surface for a spring mechanism. Due to the spring force acting on the underside of the cam bushing, a force is transmitted to the sliding surfaces of the cam bushing, which in turn is transmitted to the second rotatably mounted body and pushes it into the common lowest point of the inclined planes of the cam bushing, i.e. into the neutral position of the writing instrument .
  • the first rotatably mounted body of the freewheel has a non-rotatable connection with the peripheral recess with the cam sleeve.
  • the cam sleeve has a detent arranged on an outer surface on the side of the cam sleeve opposite the sliding surfaces.
  • the first rotatably mounted body of the freewheel has a corresponding internal detent.
  • the rotatably mounted body of the freewheel with the peripheral recess has an elastic connection to the cam sleeve.
  • the cam sleeve and the rotatably mounted body of the freewheel are connected by an elastic component, preferably made of a flexible or rubber-like material such as elastomers. Due to the slightly elastic connection of the rotatably mounted body of the freewheel and the cam sleeve, the power transmission is somewhat delayed when turning the control element, so that the user also feels a slight resistance before activating the writing instrument.
  • the rotatably mounted body of the freewheel has a protruding second contact surface and the second rotatably mounted body has a corresponding recess.
  • the protruding second contact surface of the freewheel and the recess of the second rotatable body correspond to one another, so that both components enter into an operative connection with one another if the protruding second contact surface is rotated beyond the angular range of the recess.
  • the second contact surface of the second rotatably mounted body is in the form of a web on the inside of the control unit up.
  • the second rotatably mounted body corresponds to the recess of the rotatably mounted body of the freewheel.
  • the web-shaped second body also serves to transmit force to the sliding surface of the cam bushing.
  • the neutral position of the operating unit is arranged in the angular area of the recess of the freewheel.
  • the second rotatably mounted body can be rotated freely without influencing the control arrangement or the restoring device.
  • the operating unit is designed as a rotating element, an actuating button, a rocker arm or a slide.
  • the various actuation options can be varied. With the writing implement according to the invention, the various actuation variations can be reset to an original neutral position after the writing implement has been actuated.
  • control arrangement with the resetting device is accommodated on the inside of the operating unit. This enables a particularly compact arrangement of the components and allows the writing instrument to be designed in an attractive manner.
  • the 1 shows an overview of an embodiment of a writing implement according to the invention, the function of which is explained step by step in the following figures.
  • an overview of the internal structure of the complete writing implement 2 is shown.
  • the writing implement 2 has a one-part or multi-part housing 4 in which a writing refill 6 is arranged along a longitudinal axis 8 .
  • the writing implement 2 has an operating side 10 and a writing side 12 .
  • a spring-loaded writing lead 6 is arranged in a cavity of the housing 4 .
  • An operating unit 24 is located on the operating side 10 of the writing instrument 2.
  • a curved pin 16 Arranged in the operating unit 24 is a curved pin 16 which is suitable for receiving the writing lead 6 and for locking into a plurality of locking recesses 56, 58 of an enveloping curved sleeve 26.
  • the cam pin 16, the cam sleeve 26 and the writing lead 6 are partially enclosed together by a guide sleeve 14 around which a spring mechanism 36 is arranged. This exerts a force on a cam bushing 38 surrounding the cam pin 16 , the cam sleeve 26 and the guide sleeve 14 .
  • the guide sleeve 14 has a first sliding surface 39 in the form of a recess, for example in the form of a slot, which corresponds to a shaped projection 42 of the cam bushing 38 receives.
  • the cam bushing 38 is thus mounted in the operating unit 24 in a rotationally fixed manner, but in a longitudinally axially displaceable manner.
  • the guide sleeve 14 also has a second sliding surface 40 in the form of a recess, for example in the form of a slot, which accommodates a projection 62 of the cam pin 16 and thus prevents possible twisting of the cam pin 16, but allows a longitudinal axial displacement of the cam pin.
  • a peripheral, inclined plane of the cam bushing 38 borders on a protruding, elongate body 32 which is integrated into the operating unit 24 .
  • the protruding, elongate body 32 also adjoins a body of a freewheel 22 that is mounted concentrically to the longitudinal axis 8 so that it can rotate and that has a recess that extends over an angular range.
  • the 2 shows an enlarged detailed view of an arrangement according to the invention in an operating unit 24.
  • the guide sleeve 14 has a sliding ring 60 on its outside, which abuts against the spring mechanism 36. Furthermore, the guide sleeve 14 has a first sliding surface 39, preferably in the form of a rail-like, elongated recess in the form of a first slot.
  • the cam bushing 38 has a projection 42 in the form of a driving cam which can be displaced in the sliding surface 39 of the guide sleeve 14 in the direction of the longitudinal axis 8 of the writing instrument 2 .
  • the guide sleeve 14 has a second sliding surface 40, preferably in the form of a second recess in the form of a second slot. This is suitable for receiving a projection 62 of the cam pin 16 and thereby prevents the cam pin 16 from twisting, with the projection 62 being displaceable in the longitudinal axial direction in the second sliding surface 40 .
  • the cam bushing 38 has a two-sided, inclined plane 48, 50, which serves as a sliding surface for a first contact surface 46 of the second body 32, which is mounted rotatably with respect to the cam bushing 38 and is integrated into the operating unit.
  • the second body 32 which is rotatably mounted relative to the longitudinal axis 8 and has a first contact surface 46 and a second contact surface 47, is freely rotatable within the angular range of the first rotatably mounted body of the freewheel 22, which is delimited by a recess.
  • a rotary movement of the operating unit 24 beyond the angular range of the recess 30 of the freewheel 22 leads to the freewheel 22 being carried along and thus to a rotation of the cam sleeve 26, as a result of which the projection 62 of the cam pin 16 slides over sliding surfaces 28 into various latching recesses 56, 58 of the cam sleeve 26 reached.
  • the cam pin 16 is secured against twisting via its projection 62 in a slot in the guide sleeve 14 (see Fig 4 ).
  • Operating unit 24 can be rotated bidirectionally, with rotation in a first direction pushing refill 6 out of housing 4 and locking it in an operating position, and rotation in a second direction releasing the locking and moving refill 6 into a storage position in housing 2 .
  • a neutral position of the operating unit 24, in which the control arrangement is neither locked nor unlocked, is preferably arranged centrally between the position of the operating unit 24 that triggers locking of the writing lead 6 and the position of the operating unit 24 that releases the locking of the writing lead 6.
  • the neutral position can also be arranged at a different position overleaf.
  • FIG 3 shows a detailed view of an exemplary embodiment of an arrangement in a housing of an operating unit 24.
  • an elongate body 32 with an elongate, second contact surface 47, with which the element arranged in the operating unit 24 is arranged relative to the longitudinal axis 8 rotatable body of the freewheel 22 can be moved.
  • a short first contact surface 46 of the elongate body 32 is guided inside the operating unit along sliding surfaces 44 of the spring-loaded cam bushing 38 (see FIG 2 and 9 ).
  • FIG. 4 shows an enlarged detailed view of an exemplary embodiment of a control arrangement 18 with resetting device 20.
  • a projection 62 of the cam pin 16 slides via a one-sided sliding surface 28 into various latching recesses 56, 58 of the cam sleeve 26, preferably in the form of semicircular recesses.
  • the locking recesses 56, 58 of the cam sleeve 26 are offset along the longitudinal axis 8 of the writing instrument and thus lead to a displacement of the cam pin 16 along the longitudinal axis 8 when the operating unit 24 is actuated.
  • the cam pin 16 and the cam sleeve 26 are partially enclosed by the guide sleeve 14, which has an elongated first sliding surface 39, preferably in the form of a rail-like, elongated slot, at the level of the superimposition of the cam pin 16 and the cam sleeve 26.
  • the guide sleeve 14 is surrounded by a spring mechanism 36 and a cam bushing 38 , the spring mechanism 36 adjoining a straight side of the cam bushing 38 .
  • the latter preferably has a projection 42 which engages in the first sliding surface 39 of the guide sleeve 14 and can be displaced therein in the longitudinal direction 8 .
  • the guide sleeve preferably has a second sliding surface 40 in the form of a slot which is designed to be compatible with the projection 62 of the cam pin 16.
  • the spring-loaded cam bushing 38 is thus arranged in the operating unit 24 in a rotationally fixed manner.
  • a force acting on the sliding surface 44 of the cam bushing 38 for example due to an elongated, web-like body 32 firmly integrated into the operating unit 24 starting from the first contact surface 46, causes the cam bushing 38 to yield in the direction of the longitudinal axis.
  • FIG. 12 shows an exemplary embodiment of a cam sleeve 26.
  • the cam sleeve 26 preferably has a plurality of semicircular locking recesses 56, 58 which are arranged offset along a longitudinal axis 8.
  • the cam sleeve 26 preferably has a sliding surface 28 curved on one side, through which two or more latching recesses 56, 58 offset longitudinally and axially are connected, which are suitable for receiving a protruding body.
  • the cam sleeve 26 has a detent 54 with which a non-rotatable connection can be established with an inner detent 52 of a first rotatably mounted body of a freewheel 22 .
  • the type of connection can vary. Different types of plug-in connections, adhesive and welded connections as well as rotary connections and the like come into consideration for this.
  • the cam pin 16 has a projection 62 which serves as an anti-twist device for the guide sleeve 14. Furthermore, the projection 62 of the cam pin 16 can be positioned in the latching recesses 56, 58 of the cam sleeve 26. The projection 62 of the cam pin 16 moves along the sliding surfaces 28 of the cam sleeve 26 and remains in one of the locking recesses 56, 58 of the cam sleeve 26, whereby the writing lead 6 can be moved and locked in different positions along the longitudinal axis 8 of the writing implement 2.
  • FIG. 7 shows a first body 22 of a freewheel, which is mounted rotatably about its longitudinal axis 8 and has a peripheral recess 30.
  • the body 22 has a detent 52, which is compatible with the detent 54 of the cam sleeve 26. Together they form a non-rotatable connection.
  • This can be a screw, plug, adhesive, welded connection or the like.
  • the peripheral recess 30 has an angular range of, for example, 180° around the longitudinal axis of the body 22 .
  • the second body 32 which is mounted such that it can rotate relative to the longitudinal axis 8 of the writing implement 2 and is located on the inside of the housing 4 of the operating unit 24 , can be positioned in the recesses 30 on the other side of the first body 22 .
  • the first rotatably mounted, cylindrical body 22 with a reverse recess 30 is rotated by the second, web-like body 32.
  • FIG. 8 shows an embodiment of a partial cross-section of an elongate, tubular guide sleeve 14. Sections of this have two sliding surfaces 39 and 40 running in the longitudinal direction 8 of the writing instrument 2 and offset by 180° from one another, preferably in the form of a rail-like recess or slot, which are suitable , A projection 42 of a cam bushing 38, and a projection 62 of a cam pin 16 to accommodate.
  • the guide sleeve 14 has a peripheral side Sliding ring 60, which serves to limit a spring mechanism 36, which preferably surrounds the guide sleeve 14.
  • the inclined plane 48, 50 serves as a sliding surface for the first contact surface 46 at the end of the elongated body 32 integrated in the housing of the operating unit 24.
  • the two converging, inclined planes form a common lowest point 66, which corresponds to the neutral position of the operating unit 24 of the writing instrument 2, which is preferably located centrally between the locking position and the unlocking position of the writing refill 6.
  • the cam bushing 38 preferably has a projection 42 which is connected to the first sliding surface 39 (see 2 ) corresponds in the guide sleeve 14, so that the cam bushing 38 is rotatably integrated in the operating unit 24.
  • the cam bushing 38 is preferably flat in shape and is adapted to be supported by a spring mechanism 36 . Due to the non-rotatable arrangement of the cam bushing 38 in the operating unit 24, when force is applied to the sliding surfaces 44 of the cam bushing 38, e.g.
  • first contact surface 46 of the second body 32 which is mounted rotatably with respect to the longitudinal axis 8, on the inside of the housing 4 of the operating unit 24, this deviates into Direction of the spring mechanism 36 against the spring force. If the force acting on the sliding surface 44 of the cam bushing 38 decreases, the second rotatably mounted body 32 is displaced with the first contact surface 46 along the sliding surfaces 44 into the common lowest point 66 of the converging inclined planes 48, 50 of the cam bushing 38, which at the same time is a Neutral position of the control unit 24 of the writing implement 2 corresponds.

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Claims (14)

  1. Instrument d'écriture, comprenant
    - un boîtier (4) destiné à recevoir une mine d'écriture (6) le long d'un axe longitudinal (8), un côté de commande (10) et un côté d'écriture (12),
    - un mécanisme de réglage logé dans le boîtier (4) avec une douille de guidage (14) et une tige de came (16) disposée concentriquement dans celle-ci et tendue par ressort le long de l'axe longitudinal (8) sur la mine d'écriture (6), qui peut être mise en prise avec une extrémité de la mine d'écriture,
    la tige de came (16) pouvant être amenée dans au moins deux positions d'encliquetage décalées l'une par rapport à l'autre le long de l'axe longitudinal (8), et
    - un agencement de commande (18) avec un dispositif de rappel (20), une roue libre (22) qui peut être couplée à une unité de commande (24) disposée sur le côté de commande (10) et une douille à came (26) couplée à la roue libre (22),
    la douille de came (26) présentant une surface de glissement (28) incurvée d'un côté pour une surface de contact de la tige de came (16),
    le dispositif de rappel (20) exerçant une force de rotation inverse sur l'unité de commande (24),
    la roue libre (22) étant un premier corps logé de manière rotative avec un évidement (30) sur la périphérie et formant par zones une liaison active avec un deuxième corps (32) logé de manière rotative concentriquement à celui-ci,
    dans lequel une position neutre de l'unité de commande (24) est dans une plage angulaire de l'évidement (30) du premier corps monté rotative de la roue libre (22),
    l'un du premier corps (22) monté rotative et du deuxième corps (32) monté rotative pouvant tourner librement par rapport à l'autre du premier corps (22) et du deuxième corps (32) sur la plage angulaire autour de son axe longitudinal (8),
    caractérisé par de sorte que l'unité de commande (24) est ramenée dans une position neutre après l'actionnement et l'encliquetage de la mine d'écriture (6), sans influencer le dispositif de commande ou le dispositif de rappel et sans modifier la position réglée de la mine d'écriture (6), et transmet une rotation de l'unité de commande (24) au douille de came (26) en dehors de la zone angulaire.
  2. Instrument d'écriture selon la revendication 1,
    dans lequel le dispositif de rappel (20) comprend un mécanisme à ressort (36).
  3. Instrument d'écriture selon l'une quelconque des revendications précédentes,
    le dispositif de rappel (20) présentant une douille à came (38) et un deuxième corps (32) logé de manière à pouvoir tourner concentriquement à celle-ci, qui font revenir l'unité de commande (24) dans une position neutre après un actionnement,
    dans lequel le douille de came (38) ou le second corps (32) pouvant tourner concentriquement à celui-ci sont serrés par ressort.
  4. Instrument d'écriture selon la revendication 3,
    la douille à came (38) étant intégrée dans le boîtier (4) de manière à ne pas tourner et à pouvoir être déplacée le long de l'axe longitudinal (8).
  5. Instrument d'écriture selon la revendication 3 ou 4,
    la douille de guidage (14) présentant une première surface de glissement (39) sous la forme d'un évidement et la douille à came (38) présentant une saillie (42) formée en correspondance avec l'évidement.
  6. Instrument d'écriture selon l'une des revendications précédentes,
    la douille de guidage (14) présentant une deuxième surface de glissement (40) sous la forme d'un évidement destiné à recevoir une saillie (62) de la tige de came (16).
  7. Instrument d'écriture selon la revendication 3 ou 4,
    dans lequel le douille de came (38) présente une surface de glissement (44) pour une première surface de contact (46) du deuxième corps (32) monté de manière à pouvoir tourner concentriquement à celui-ci.
  8. Instrument d'écriture selon la revendication 3, 4 ou 7,
    dans lequel le douille de came (38) présente deux plans inclinés (48, 50) convergeant l'un vers l'autre.
  9. Instrument d'écriture selon l'une quelconque des revendications précédentes,
    le premier corps monté rotative de la roue libre (22) présentant avec l'évidement périphérique (30) une liaison solidaire en rotation avec le douille de came (26).
  10. Instrument d'écriture selon l'une des revendications précédentes,
    le premier corps monté rotative de la roue libre (22) présentant avec l'évidement périphérique (30) une liaison élastique avec le douille de came (26).
  11. Instrument d'écriture selon l'une des revendications précédentes,
    dans lequel le premier corps supporté de manière rotative de la roue libre (22) comprend un évidement (30) et le second corps supporté de manière rotative (32) comprend une seconde surface de contact (47) en saillie.
  12. Instrument d'écriture selon l'une des revendications précédentes,
    dans lequel la seconde surface de contact (47) du second corps (32) supporté de manière rotative a la forme d'une nervure sur le côté intérieur de l'unité de commande (24).
  13. Instrument d'écriture selon l'une des revendications précédentes,
    l'unité de commande (24) étant un élément rotative, un bouton d'actionnement, un culbuteur ou un coulisseau.
  14. Instrument d'écriture selon l'une quelconque des revendications précédentes,
    l'agencement de commande (18) avec le dispositif de rappel (20) étant reçu du côté intérieur par l'unité de commande (24).
EP16753276.1A 2015-07-28 2016-07-28 Instrument d'écriture à unité de commande à retour automatique Active EP3328661B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015009814.4A DE102015009814A1 (de) 2015-07-28 2015-07-28 Schreibgerät mit sich rückstellender Bedieneinheit
PCT/EP2016/068020 WO2017017195A1 (fr) 2015-07-28 2016-07-28 Instrument d'écriture à unité de commande à retour automatique

Publications (2)

Publication Number Publication Date
EP3328661A1 EP3328661A1 (fr) 2018-06-06
EP3328661B1 true EP3328661B1 (fr) 2023-07-05

Family

ID=56694100

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16753276.1A Active EP3328661B1 (fr) 2015-07-28 2016-07-28 Instrument d'écriture à unité de commande à retour automatique

Country Status (4)

Country Link
US (1) US10532602B2 (fr)
EP (1) EP3328661B1 (fr)
DE (1) DE102015009814A1 (fr)
WO (1) WO2017017195A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624314A (en) 1950-08-04 1953-01-06 Frawley Corp Retractable pen
PH24367A (en) * 1985-12-30 1990-06-13 Kotobuki & Co Ltd Writing tools
DE4102338A1 (de) * 1991-01-26 1992-07-30 Montblanc Simplo Gmbh Schreibgeraet
JP2718888B2 (ja) * 1994-02-28 1998-02-25 株式会社パイロット 回転繰出し式筆記具
DE10332844A1 (de) 2003-07-18 2005-03-03 Montblanc-Simplo Gmbh Hand-Schreibgerät
FR2873325B1 (fr) * 2004-07-26 2006-10-27 Bic Sa Soc Mecanisme pour instrument d'ecriture, instrument d'ecriture comprenant un tel mecanisme et procede de fabrication
JP5985332B2 (ja) * 2012-09-24 2016-09-06 株式会社パイロットコーポレーション 回転操作式筆記具

Also Published As

Publication number Publication date
US20180215194A1 (en) 2018-08-02
DE102015009814A1 (de) 2017-02-02
WO2017017195A1 (fr) 2017-02-02
EP3328661A1 (fr) 2018-06-06
US10532602B2 (en) 2020-01-14

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