EP0099094A1 - Stylo à bille - Google Patents

Stylo à bille Download PDF

Info

Publication number
EP0099094A1
EP0099094A1 EP83106764A EP83106764A EP0099094A1 EP 0099094 A1 EP0099094 A1 EP 0099094A1 EP 83106764 A EP83106764 A EP 83106764A EP 83106764 A EP83106764 A EP 83106764A EP 0099094 A1 EP0099094 A1 EP 0099094A1
Authority
EP
European Patent Office
Prior art keywords
ballpoint pen
housing
pen according
slide plate
latching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP83106764A
Other languages
German (de)
English (en)
Other versions
EP0099094B1 (fr
Inventor
Odo Prof. Klose
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.)
Prasenta KG Weber & Co
Prasenta KG Weber and Co
Original Assignee
Prasenta KG Weber & Co
Prasenta KG Weber and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19828220323 external-priority patent/DE8220323U1/de
Priority claimed from DE19828220321 external-priority patent/DE8220321U1/de
Application filed by Prasenta KG Weber & Co, Prasenta KG Weber and Co filed Critical Prasenta KG Weber & Co
Priority to AT83106764T priority Critical patent/ATE17686T1/de
Publication of EP0099094A1 publication Critical patent/EP0099094A1/fr
Application granted granted Critical
Publication of EP0099094B1 publication Critical patent/EP0099094B1/fr
Expired 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
    • B43K24/08—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by push-buttons

Definitions

  • the invention relates to a ballpoint pen with a pushbutton that can be displaced in the longitudinal direction of the ballpoint pen housing to extend the mine, which is spring-loaded in the inward direction, and a latching device for capturing the inwardly pushed position of the pushbutton.
  • Ballpoint pens are known, the latching device being designed in the form of a cam control. Such designs are often prone to failure, with the result that the ballpoint pen refill is very difficult or impossible to move.
  • the object of the invention is based on the object of specifying a ballpoint pen of the type described above in a technically simple manner, the mechanics of the latching device being largely immune to malfunction.
  • the push button is designed as a slide plate and has on its broad side a cut-out tongue which springs out transversely from the broad side and has the latching tooth of the latching device.
  • a generic ballpoint pen of simple construction is specified, which is characterized by a high degree of reliability.
  • Susceptible curve controls can be dispensed with.
  • the components of the ballpoint pen can be produced in a cost-saving manner, preferably using the plastic injection molding process.
  • the push button bringing the ballpoint pen refill into its writing position is now formed by the slide plate. It protrudes above the top end of the ballpoint pen by at least the amount of stroke of the slide plate. If the ballpoint pen refill is to be brought into the operative position, the slide plate is to be moved inwards, after which the tongue, which springs out from the broad side, engages behind a corresponding projection of the ballpoint pen and thus secures the ballpoint pen refill in this position. From this, it can only be brought to the will, by appropriate transverse action on the slide plate, the locking engagement being canceled. Then the compression spring loading the ballpoint pen leads both the ballpoint pen lead and the slide plate back to the starting position.
  • a resiliently pivotable push button plate of the ballpoint pen housing is arranged in front of the latching tongue. Therefore, the transverse displacement of the latching tongue, which is used for triggering, takes place via this pushbutton plate.
  • This pushbutton plate can be designed as a detachable component with the clip serving to attach the ballpoint pen.
  • the push button plate can be used to accommodate a text field.
  • the slide plate has two outwardly projecting projections which protrude into the longitudinal recesses of the ballpoint pen housing wall. As a result, the displacement path of the slide plate is limited in a simple manner without the need for additional components.
  • the ballpoint pen has a stable design and a pleasing appearance in that the ballpoint pen housing, which is designed flat in the upper region, tapers towards the lower end.
  • the flat shape is interesting as a flat labeling field.
  • the latching tooth of the latching tongue is arranged at its free end and has a catch-shaped ramp.
  • a particularly favorable solution is characterized in that the root of the locking tongue sits in the upper area of the slide plate. Accordingly, the locking components are completely hidden from view.
  • the safe triggering of the ballpoint pen refill in the writing position is ensured in that the push button plate is circular and is connected to the ballpoint pen housing via a film hinge. There is always a sufficiently large contact surface for the actuating hand or its fingers for triggering.
  • run-up slopes are provided in front of the longitudinal recesses.
  • the slide plate can be installed by simply plugging it in. Their projections act on the run-up slope and are controlled until they can engage in the recesses.
  • an advantageous feature is that the longitudinal recesses are open to the outside. This makes it possible to press the projections of the slide plate from the outside inwards in order to trigger the slide plate for the purpose of changing the lead.
  • the ballpoint pen housing consists of two shell parts butting against each other in a longitudinal plane.
  • the parting line of the two parts forming the ballpoint pen housing now lies in the longitudinal plane.
  • An advantageous feature is that the two shell parts are latched, glued or welded on one side of the housing by a film hinge and on the opposite side of the housing.
  • a film hinge By using the film hinge, only a single molded part is required.
  • the connection process of the shell parts is only carried out on one side of the housing.
  • the ballpoint pen housing is flattened in the upper area transversely to the length of the butt plane, tapers towards the lower end and the flat side carrying the film hinge tangentially attaches to the tapered rounded section.
  • the ballpoint pen according to the first embodiment, shown in FIGS. 1 to 8, has a ballpoint pen housing 3 consisting of two plastic half-shells 1, 2.
  • the half-shells 1, 2 are connected to one another in the parting line 4 by gluing or welding.
  • the ballpoint pen housing 3 created in this way has a flat shape in its upper region and tapers towards the lower end.
  • the tapering is such that the lower end has a circular shape in cross section.
  • the interior of the ballpoint pen housing 3 accommodates a ballpoint pen refill 5. Its lower end 5 'passes through a compression spring 6, which is supported at one end on an expression 7 of the ballpoint pen refill 5 and at the other end on an inside step 8 at the lower end of the ballpoint pen housing 3. In this way, the ballpoint pen refill 5 is spring-loaded in the inward direction.
  • the upper end 5 "of the ballpoint pen refill 5 engages in a slot 9 of a slide plate 10 which is open on one side. Its upper end 11 projects beyond the corresponding end of the ballpoint pen housing 3, as a result of which the slide plate 10 serves as a pushbutton.
  • resilient webs 12 extend downward from the slide plate 10.
  • the outer narrow side of the webs 12 is equipped with outwardly projecting projections 13, which protrude into longitudinal recesses 14 of the ballpoint pen housing wall 15.
  • the length of the recesses 14 determines the stroke of the slide plate 10.
  • the slide plate 10 has on its broad side a cut-out tongue 16 springing out transversely from the broad side in such a way that the Root 17 of the tongue 16 is located in the lower area.
  • the free end of the tongue 16 has a ratchet tooth 18 which projects beyond the broad side of the slide plate 10 and has a drop-shaped ramp slope 18 '.
  • a transmission cam 19 which is of the same material as the tongue.
  • the bevels 20 which are open towards the outside are arranged with bevels 20. This configuration allows the ballpoint pen refill to be changed.
  • the projections 13 have to be pressed inwards, after which the slide plate 10 can be pulled out and a new lead can be inserted.
  • a resiliently pivotable pushbutton plate 21 extends in front of the latching tongue 16. This is circular in shape and connected to the ballpoint pen housing 3 via a film hinge 22.
  • the pushbutton plate 21 is flanked by a housing section 23. Its upper end is rounded and protrudes into the path of the locking tooth 18. For this, the housing section 23 forms a recess 24 for reaching behind.
  • This secured latching position can only be canceled in a way that is emphasized by the fact that, as shown in FIG. 7, the pushbutton plate 21 is pivoted inwards about the film hinge 22. It acts on the transmission cam 19 of the latching tongue 16 and pivots it, so that the latching tooth 18 leaves the rear grip on the housing section 23.
  • the compression spring 6 then guides the slide plate 10 back into the starting position according to FIGS. 4 and 5 via the ballpoint pen refill 5, the ballpoint pen refill reaching the hiding position.
  • the housing continues beyond the film hinge 22 for the pushbutton plate 21 in a retaining clip 25. It would also be possible to design the retaining clip with pushbutton plate as a structural unit which can be removed from the ballpoint pen housing 3. The outer surface of the push button plate 21 could also serve as a labeling field.
  • the slide plate is designed in cross section so that it is positively surrounded by the ballpoint pen housing wall 15.
  • the same parts of the second embodiment shown in FIGS. 8 to 13 have the same reference numerals.
  • the longitudinal recesses 14 ' are not made up to the outer wall of the housing. Therefore, this design is intended for single use.
  • the slide plate 10 ' is designed so that the root 17' of the locking tongue 16 'is in the upper region of the slide plate 10'.
  • the locking tooth 26 is therefore located at the lower end of the locking tongue. It also forms a trap slope 26 '.
  • the detent tooth 26 interacts with recesses 27 and 27 1 adapted to the cross section on the inside of the ballpoint pen housing 3 '.
  • the pushbutton plate 21 'used for triggering is connected to the ballpoint pen housing 3' via a film hinge 22 'provided at the upper end of the housing.
  • the slide plate 10 ' is to be displaced in the downward direction starting from FIGS. 10 and 11.
  • the latching tongue 16 is displaced inward by the ramp slope 26 'of the latching tongue 16'. If the latching tooth 26 is at the same height as the recess 27 'of the ballpoint pen housing 3', the latching tongue can pivot resiliently in the outward direction, with the latching tooth 26 in the recess 27 1 engages and secures the position of the slide plate 10 '. This means that at the same time the ballpoint pen refills a secure position, see FIG. 12.
  • the triggering is brought about by pressing the pushbutton plate 21 ', as illustrated in FIG. 13.
  • the locking mechanism can also be used at another suitable location.
  • the ballpoint pen according to the third embodiment shown in FIGS. 14-23 has a housing 103 consisting of two plastic shell parts 101, 102.
  • the two shell parts 101, 102 are glued on one side of the housing by a film hinge 104 and on the opposite side of the housing.
  • welding or locking can also be carried out.
  • the longitudinal impact plane A-A passing through the film hinge 104 runs, as illustrated in particular in FIG. 14, through the clip 105.
  • the ballpoint pen housing 103 in the upper region transversely to the extension of the longitudinal plane AA is flattened and tapers towards the lower end to achieve an arrow shape.
  • the film hinge 104 and the butt joint 106 of the folded shell parts 101, 102 are located on the broad sides of this arrow shape.
  • the flat side 107 carrying the film hinge 104 is tangential to the tapered rounded section 108.
  • the interior of the ballpoint pen housing 103 accommodates a ballpoint pen refill 109.
  • the lower end 109 passes through a compression spring 110, which is supported on one end on an expression 111 of the ballpoint pen refill 109 and on the other end on an inside step 131 of the ballpoint pen housing 103.
  • the ballpoint pen refill 109 is spring-loaded in the inward direction.
  • the upper end 109 "of the ballpoint pen refill 109 engages in a slot 112 of a slide plate 113 which is open on one side.
  • the upper end 114 projects beyond the corresponding front end of the ballpoint pen housing 103, as a result of which the slide plate 113 serves as a pushbutton.
  • resilient webs 115 extend downward from the slide plate 113.
  • the outer narrow side of the webs 115 is equipped with outwardly projecting projections 116, which protrude into longitudinal recesses 117 of the shell parts 101, 102.
  • the length of the recesses 117 determines the stroke of the slide plate 113.
  • Part of the slide plate 113 is a tongue 118 cut free on its broad side and springing out transversely from the broad side, the root 119 of which is located in the lower region.
  • the free end of the tongue 118 has a ratchet tooth 120 which projects beyond the broad side of the slide plate 113 and has a drop-shaped ramp slope 120 '.
  • the tongue material transmission cams 121 In the area between the ratchet tooth 120 and the root 119 there is a with the tongue material transmission cams 121.
  • Both the tongue 118 and the slide plate 13 are injection molded from plastic with resilient properties.
  • the bevels 122 which are open towards the outside, have upstream bevels 122.
  • a resiliently pivotable pushbutton plate 123 extends in front of the latching tongue 118. This is circular in shape and is connected to the ballpoint pen housing via a film hinge 124. The butt joint 106 of the two shell parts 101, 102 runs through this pushbutton plate 123. The latter is flanked by a housing section 125, the upper end of which is rounded and protrudes into the path of the locking tooth 120. For this, the housing section 125 forms a recess 126 for reaching behind.
  • the slide plate 113 must be displaced in its inward direction at its projecting, rounded end 114.
  • the ballpoint pen refill 109 is displaced against spring force.
  • the catch-shaped run-up slope 120 'of the locking tooth 120 acts on the housing section 125.
  • the locking tongue 118 deflects resiliently in the inward direction.
  • the locking tongue 118 springs out over the broad side of the slide plate 113 and reaches the position according to FIG. 22. Then the projections 116 are also moved to the other end of the recesses 117.
  • This secured latching position can only be released in a deliberate manner by the fact that, as shown in FIG. 23, the pushbutton plate 123 in the inward direction around the film hinge 1 24 is pivoted. It acts on the transmission cam 121 of the latching tongue 118 and pivots it, so that the latching tooth 120 gives up the rear grip to the housing section 125.
  • the compression spring 110 then guides the slide plate 113 back into the starting position via the ballpoint pen refill 109, the ballpoint pen refill reaching the hiding position.
  • the housing 103 and retaining clip 105 are made of the same material. It would also be possible to design the retaining clip with the pushbutton plate as a structural unit that can be removed from the ballpoint pen housing 103. The outer surface of the push button plate 123 could also serve as a label field.
  • the slide plate 113 has a rectangular cross section and is positively surrounded by the shell parts 101, 102.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
EP83106764A 1982-07-16 1983-07-09 Stylo à bille Expired EP0099094B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83106764T ATE17686T1 (de) 1982-07-16 1983-07-09 Kugelschreiber.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE8220323U 1982-07-16
DE19828220323 DE8220323U1 (de) 1982-07-16 1982-07-16 Kugelschreiber
DE19828220321 DE8220321U1 (de) 1982-07-16 1982-07-16 Kugelschreiber
DE8220321U 1982-07-16

Publications (2)

Publication Number Publication Date
EP0099094A1 true EP0099094A1 (fr) 1984-01-25
EP0099094B1 EP0099094B1 (fr) 1986-01-29

Family

ID=25949275

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106764A Expired EP0099094B1 (fr) 1982-07-16 1983-07-09 Stylo à bille

Country Status (3)

Country Link
US (1) US4572688A (fr)
EP (1) EP0099094B1 (fr)
DE (1) DE3362019D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588317A (en) * 1984-10-05 1986-05-13 Taylor Clarence R Lead or pen marking device
US5632564A (en) * 1994-01-10 1997-05-27 Hi-Tech Industries Limited Writing implement

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981382A (en) * 1989-10-04 1991-01-01 Murphy Kent D Clip actuated latch mechanism for retractable writing instruments
US6033141A (en) * 1996-09-27 2000-03-07 Nottingham-Spirk Design Associates, Inc. Capless retractable sealed marking instruments
CA2484081C (fr) * 2002-04-17 2011-06-21 Avery Dennison Corporation Instrument d'ecriture retractable a auto-obturation
US20090016800A1 (en) * 2006-12-20 2009-01-15 Sushanta Barthakur Pen with operable clip
TWI510966B (zh) * 2009-01-19 2015-12-01 Wistron Corp 用於一電子裝置之輸入系統及相關方法
DK177565B1 (en) * 2009-03-17 2013-10-21 Vkr Holding As Vapour barrier collar, method for producing a vapour barrier collar and method for mounting a vapour barrier collar

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR65642E (fr) * 1956-02-29
FR69155E (fr) * 1954-09-15 1958-10-22 Plastiques Injectes Soc Ind De Dispositif pour la commande des crayons à bille rétractables
CH362621A (fr) * 1960-09-13 1962-06-15 Plastique Ind S A Stylo à bille
US3179087A (en) * 1960-08-30 1965-04-20 Kahn David Inc Writing instrument
BE767025A (fr) * 1971-05-11 1971-10-01 Toffali Giuseppe Stylo a bille
US3876315A (en) * 1974-02-13 1975-04-08 Robert W Hain Split body housing for writing instruments

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2748748A (en) * 1953-05-25 1956-06-05 Scripto Inc Retractable ball pen
DE1009530B (de) * 1954-12-27 1957-05-29 Bellmann & Co Schreibgeraet mit Druckmechanik
BE559928A (fr) * 1956-03-26
US3093921A (en) * 1959-12-14 1963-06-18 Chr Olsen Akts Writing instrument with a holder containing a shiftable writing unit
CH397466A (it) * 1962-12-24 1965-08-15 Termoplastic S R L Penna a sfera del tipo con punta scrivente retrattile
FR1436664A (fr) * 1965-03-06 1966-04-29 Bourbon A & Fils Sa Ets Perfectionnements aux mécanismes pour la commande d'appareils à écrire à éléments rétractables
FR1553910A (fr) * 1967-11-20 1969-01-17
DE2206378C3 (de) * 1972-02-10 1975-07-03 Martinus Karel Petrus Mierlo Jonkers (Niederlande) Druckmechanik für ein Schreibgerät, insbesondere Kugelschreiber
US4140408A (en) * 1976-08-20 1979-02-20 Pentel Kabushiki Kaisha Push type mechanical pencil

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR65642E (fr) * 1956-02-29
FR69155E (fr) * 1954-09-15 1958-10-22 Plastiques Injectes Soc Ind De Dispositif pour la commande des crayons à bille rétractables
US3179087A (en) * 1960-08-30 1965-04-20 Kahn David Inc Writing instrument
CH362621A (fr) * 1960-09-13 1962-06-15 Plastique Ind S A Stylo à bille
BE767025A (fr) * 1971-05-11 1971-10-01 Toffali Giuseppe Stylo a bille
US3876315A (en) * 1974-02-13 1975-04-08 Robert W Hain Split body housing for writing instruments

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588317A (en) * 1984-10-05 1986-05-13 Taylor Clarence R Lead or pen marking device
US5632564A (en) * 1994-01-10 1997-05-27 Hi-Tech Industries Limited Writing implement

Also Published As

Publication number Publication date
US4572688A (en) 1986-02-25
DE3362019D1 (en) 1986-03-13
EP0099094B1 (fr) 1986-01-29

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