US3604816A - Ballpoint pen containing a number of different colored cartridges - Google Patents

Ballpoint pen containing a number of different colored cartridges Download PDF

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Publication number
US3604816A
US3604816A US21316A US3604816DA US3604816A US 3604816 A US3604816 A US 3604816A US 21316 A US21316 A US 21316A US 3604816D A US3604816D A US 3604816DA US 3604816 A US3604816 A US 3604816A
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US
United States
Prior art keywords
pushbutton
writing
ballpoint pen
projection
housing sleeve
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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.)
Expired - Lifetime
Application number
US21316A
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English (en)
Inventor
Francis Levoin
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.)
CADO Ets
CADO ETABLISSMENT
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CADO Ets
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Filing date
Publication date
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Publication of US3604816A publication Critical patent/US3604816A/en
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    • 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
    • B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
    • B43K24/16—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons
    • B43K24/163—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons with one push-button for each writing unit

Definitions

  • Each pushbutton extends out of the housing sleeve member of the ballpoint pen and both in its writing position as well as in its inoperable position bears against a mechanism which is locked by means of at least one projection in the ballpoint pen housing sleeve member, this projection being situated in an opening, the axis of which extends substantially perpendicular to the lengthwise axis of the ballpoint pen.
  • the lock mechanism is equipped at its lower end with an apertured plate member through which pass the writing cartridges and which serves as a support means for each return spring member provided for each writing cartridge.
  • the above-mentioned mechanism includes web members which extend vertically from the apertured plate member and which are connected with one another at their upper end, one such web member carrying the aforementioned projection. Additionally, these web members possess groove means for locking a pushbutton both in its writing position as well as in its inoperable position, the lower end of such groove means having two respective oppositely situated inclined surfaces. Each pushbutton is provided at its inner side' with two projections which cooperate with the projections provided at the other pushbutton during actuation of the last-mentioned pushbutton in order to entrain the first-mentioned pushbutton.
  • each pushbutton is equipped at its lower end with a tail portion capable of being connected with the associated writing cartridge and at its upper end with two nose members, the upper and lower ends of which are inclined in order to lock such pushbutton when the nose members are located in the groove means and for unlocking such pushbutton when such nose members slide past the inclined surfaces.
  • the present invention relates broadly to writing instruments and, more specifically, deals with a new and improved ballpoint pen containing a number of different colored writing cartridges.
  • Another specific object of the present invention relates to an improved ballpoint writing instrument which is relatively inexpensive to manufacture, extremely reliable in operation, not readily subject to breakdown, and positively affords the locking and unlocking of one of a number of writing cartridges in selected writing or inoperable position, as desired.
  • the inventive writing instrument especially a ballpoint pen, will be seen to comprise a housing sleeve member containing a number of different colored writing cartridges displaceably mounted therein.
  • Return spring means are provided for each writing cartridge to retract same into its inoperable position.
  • a respective pushbutton serves to advance each writing cartridge into its writing position while compressing the return spring means.
  • a mechanism including at least one projection for lockingly engaging with the housing sleeve member is provided, this housing sleeve member having an opening for receiving such projection, with the axis of such opening extending substantially perpendicular to the lengthwise axis of the ballpoint pen.
  • Each pushbutton extends out of the housing sleeve member and both in its writing position as well as its inoperable position is supported by the aforementioned mechanism.
  • Such mechanism further incorporates as apertured plate member at its lower end for throughpassage of the writing cartridges, this apertured plate member providing support means for the return spring means.
  • the aforesaid mechanism additionally includes substantially vertically extending web members which are interconnected with one another at their upper ends, one of the vertically extending members being equipped with aforementioned projection.
  • Such vertically extending members further have groove means for locking the pushbuttons both in their writing position as well as their inoperable position, and the lower end of such groove means possess two respective oppositely situated inclined surfaces.
  • Each pushbutton possesses an inner surface equipped with two projection means which cooperate with the projection means of the other pushbutton during actuation of the latter in order to entrain the first pushbutton, with each pushbutton further possessing at its lower end a tail portion capable of being connected with the associated writing cartridge and at its upper end with two nose members, the upper and lower ends of which are inclined in order to lock such pushbutton when said nose members are located in the groove means and to unlock such pushbutton when said nose members slide past the inclined surfaces.
  • inventive ballpoint pen containing two colored writing cartridges is illustrated in the drawings, wherein this embodiment possesses a minimum of components and is equipped with a locking projection which renders superfluous a threading and makes manufacture of the writing instrument cheaper.
  • FIG. I is a longitudinal sectional view through the preferred embodiment of inventive ballpoint pen with the one pushbutton in its writing position and which is arranged behind the component forming the locked mechanism;
  • FIG. 2 is a longitudinal sectional view of the ballpoint pen shown in FIG. 1 and depicting the two pushbuttons, and taken substantially along the line A-B thereof;
  • FIG. 3 is a front view of the locking component or portion
  • FIG. 4 is a sectional view of the locking component depicted in FIG. 3, taken substantially along the line C-D thereof;
  • FIG. 5 is a front view of the inside surface of a pushbutton used in the inventive writing instrument
  • FIG. 6 is a side view of the pushbutton
  • FIG. 7 is a sectional view of the pushbutton of FIG. 6, taken substantially along the line E-F thereof;
  • FIG. 8 is a fragmentary detail of a portion of the ballpoint pen device shown in FIG. 2 for unlocking a pushbutton.
  • FIGS. 1 and 2 the exemplary embodiment of inventive writing instrument, especially ballpoint pen, depicted in FIGS. 1 and 2 will be seen to contain two writing cartridges l6 and 22 which pass through an apertured plate member 13, each writing cartridge 16 and 22 being surrounded by a return spring 17 and 21, respectively, which acts upon the associated pushbutton 15 and 5, respectively. Since both pushbuttons 5 and 15 are essentially similar in construction, reference will be made to the description of the pushbutton 5 hereinafter. It will be seen that projections 8 and 9 provided at such pushbutton 5 travel in an opening 32 formed by vertically extending web members 11, 12, 4 and 28. One nose member of such pushbutton 5 is located in a recessed portion in the web 4 and bears against same. The section through the other nose member 35 clearly shows the recessed portion 26 as well as the inclined lower surfaces 6 and 27 of such recesses.
  • the web members 11 and 12 which extend from the apertured plate member 13 are connected at their upper ends by means of the crossbar or yoke 30 which provides a hearing or support surface 29 for the projections of both pushbuttons 5 and 15.
  • the web members 4 and 28, upon which slide the projection members of the pushbuttons 5 and 15 up to their recessed portions, are located in a cap member 2 forming part of the housing of the ballpoint pen.
  • the housing sleeve member for the ballpoint pen consists of two components 1 and 2, and that the mechanism incorporating the web members 11, 12, 4 and 28 is introduced into the upper housing portion 2 which forms such cap member, the latter of which is threaded to the lower sleeve portion 1.
  • the vertically extending web member 11 is provided with a projection 7 which engages in an opening 10 provided at the housing sleeve member I, this opening 10 having an axis extending substantially perpendicular to the lengthwise extending axis of the writing instrument. Furthermore, opening 10 anchors the locking mechanism 11, 12, 4 and 28 to the sleeve member 1.
  • FIG. 2 shows the right-hand pushbutton 15 in its inoperable position, with the projection member 14 thereof bearing against the contact or bearing surface 29 of the yoke or crossbar 30.
  • this crossbar or yoke 30 In order to reinforce this crossbar or yoke 30 such is provided with the flanges 31.
  • This pushbutton 15 is disposed above its associated writing cartridge 16 which is equipped with the return spring member 17 and passes through the opening 18 of the apertured plate member 13.
  • the writing cartridge 22 which appears at the left-hand side of FIG. 2 illustration, in its writing position, will be seen to pass through the opening 19 provided at the apertured plate member 13 and is connected with the associated pushbutton 5 via the tail portion 20 situated at the lower end of such pushbutton.
  • the sectional view taken along the line A-B of FIG. 1, and depicted in FIG. 2, shows the region of the web member 4 against which the nose member 23 of the pushbutton 5 bears in its writing position as well as also the upper, inclined end 3 of the web member 11 having the inclined surfaces 6 and 25, these surfaces 6, 25 being located beneath the inclined underside or face 24 of the nose member 23 belonging to the pushbutton 5.
  • FIG. 3 shows details of the mechanism serving to lock the pushbuttons, and which is fixedly mounted in the housing 1, 2 of the ballpoint pen by means of the associated projection 7.
  • the previously mentioned opening is bounded by the web members 11 and 12 depending from the apertured plate member 13 and also by the upper situated yoke or crossbar 30.
  • the support surface 29 of the crossbar or yoke 30 interconnects the webs 4 and 28 in which there are located the recesses 33 and 26 with their inclined surfaces 6 and 27.
  • the vertically extending web member 12 possesses a conical upper end with inclined surfaces 27 and 34.
  • the recessed portion 26 for receiving the nose means of the associated pushbutton is located above the web member 28 serving as a sliding track for the pushbutton.
  • the interior of the pushbutton has a tail portion 20 at its lower end which provides the connection with the associated writing cartridge.
  • a tail portion 20 At the upper end of the pushbutton there is located the previously mentioned nose member 23 as well as the oppositely situatednose member 35. Both nose members 23'and 35 have the inclined portions or surfaces 24 and 36, respectively.
  • the principle of unlocking a pushbutton, for instance the pushbutton 5, during the downward movement of the other pushbutton 15 can best be recognized by referring to FIG. 8.
  • the riose member 23 bears against the inclined surface of the upper end 3 of the web member 11 and slides upon same. The movement is triggered by the projection member 14 of the other pushbutton 15 which bears against the projection member 8.
  • the projection members of the pushbutton which is moving likewise place the locked pushbutton into motion in that they bear against these projections.
  • the lateral nose members slide upon the lower and inclined ends of the recesses, whereby the pushbutton is returned into its starting axis. Under the action of the spring member, it thereafter returns into its starting position.
  • the other pushbutton is now downwardly pressed over its entire path until the nose members are located opposite the recesses.
  • a ballpoint pen comprising a housing sleeve member, a plurality of different colored writing cartridges displaceably mounted in said housing sleeve member, return spring means for each writing cartridge to retract same into its inoperable position, a respective pushbutton for advancing each cartridge into its writing position while compressing said return spring means, mechanism including at least one projection for lockingly engaging with said housing sleeve member, said housing sleeve member having an opening for receiving said projection, with the axis of said opening extending substantially perpendicular to the lengthwise axis of the ballpoint pen, I
  • each pushbutton extending out of said housing sleeve member and both in its writing position as well as its inoperable position being supported by said mechanism, said mechanism incorporating an apertured plate member at its lower end for throughpassagc of said writing cartridges, said apertured plate member providing support means for said return spring means, said mechanism further including substantially vertically extending web members interconnected with one another at their upper end, one of said vertically extending web members being equipped with said projection, said vertically extending web members having groove means for locking said pushbuttons both in their writing position as well as their inoperable position, the lower end of said groove means possessing two respective oppositely situated inclined surfaces, each such pushbutton having an inner surface provided with two projection means which cooperate with the projection means of the other pushbutton during actuation of the latter in order to entrain the first pushbutton, each pushbutton further possessing at its lower end a tail portion capable of being connected with its associated cartridge and at its upper end with two nose members, the upper and lower ends of which are inclined in order to lock such pushbutton when
  • a ballpoint pen as defined in claim 1, wherein said housing sleeve member is formed of two components defining an upper part and a lower part, said mechanism being introduced into said upper part which forms a cap member and which is threaded with said lower part.

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
US21316A 1969-03-25 1970-03-20 Ballpoint pen containing a number of different colored cartridges Expired - Lifetime US3604816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH444369A CH504978A (fr) 1969-03-25 1969-03-25 Stylographe à billes comportant plusieurs cartouches de couleurs différentes

Publications (1)

Publication Number Publication Date
US3604816A true US3604816A (en) 1971-09-14

Family

ID=4276218

Family Applications (1)

Application Number Title Priority Date Filing Date
US21316A Expired - Lifetime US3604816A (en) 1969-03-25 1970-03-20 Ballpoint pen containing a number of different colored cartridges

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US (1) US3604816A (pt)
BR (1) BR7017632D0 (pt)
CH (1) CH504978A (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871775A (en) * 1973-11-20 1975-03-18 Nathan A Zepell Mechanical writing instrument
US4165941A (en) * 1976-07-10 1979-08-28 Kotobuki & Co. Ltd. Mechanical pencil
US5927881A (en) * 1997-11-03 1999-07-27 Yang; Chin-Chen Multiple-shaft pen kit
WO2009070166A1 (en) * 2007-11-29 2009-06-04 Mika Jeanne M Multi-purpose pen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113936A1 (de) * 1999-07-14 2001-07-11 Panoco Corporation N.V. Schreibgerät mit mehreren minen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170441A (en) * 1963-03-06 1965-02-23 Real Patentauswertungs Control device with two push buttons for two colours ball point pens

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170441A (en) * 1963-03-06 1965-02-23 Real Patentauswertungs Control device with two push buttons for two colours ball point pens
US3170440A (en) * 1963-03-06 1965-02-23 Real Patentauswertungs Anstalt Control device with two push buttons for two colours ball point pens

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3871775A (en) * 1973-11-20 1975-03-18 Nathan A Zepell Mechanical writing instrument
US4165941A (en) * 1976-07-10 1979-08-28 Kotobuki & Co. Ltd. Mechanical pencil
US5927881A (en) * 1997-11-03 1999-07-27 Yang; Chin-Chen Multiple-shaft pen kit
WO2009070166A1 (en) * 2007-11-29 2009-06-04 Mika Jeanne M Multi-purpose pen

Also Published As

Publication number Publication date
BR7017632D0 (pt) 1973-02-27
CH504978A (fr) 1971-03-31

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