US2930355A - Ball point pen - Google Patents

Ball point pen Download PDF

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Publication number
US2930355A
US2930355A US675149A US67514957A US2930355A US 2930355 A US2930355 A US 2930355A US 675149 A US675149 A US 675149A US 67514957 A US67514957 A US 67514957A US 2930355 A US2930355 A US 2930355A
Authority
US
United States
Prior art keywords
latch
barrel
latching
writing
plunger
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.)
Expired - Lifetime
Application number
US675149A
Other languages
English (en)
Inventor
Bollerup Johannes
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.)
Scripto Inc
Original Assignee
Scripto Inc
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
Application filed by Scripto Inc filed Critical Scripto Inc
Priority to US675149A priority Critical patent/US2930355A/en
Priority to GB11549/58A priority patent/GB880633A/en
Priority to FR764266A priority patent/FR1215569A/fr
Priority to DEA29366A priority patent/DE1264994B/de
Application granted granted Critical
Publication of US2930355A publication Critical patent/US2930355A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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 present invention relates to ball point pens and more particularly to pens of this type in which the point can be retracted and extended at will by a single control.
  • An object of my invention is to provide an improved pen of the ball point type in which the writing point can be extended out of the barrel into writing position and retracted into protected non-writing position in the barrel by consecutive depressions of a rear-end mounted pushbutton.
  • a further object of the invention is to provide a writing instrument in which a readily replaceable ball point and cartridge unit is resiliently suspended within a barrel for extension and retraction by pushbutton' actuated latching mechanism.
  • Another object of the present invention is to provide a writing instrument of the type indicated above wherein the several parts thereof can easily be fabricatedleconomically by virtue of the elimination of excessively close tolerances.
  • Still another object of the invention is to provide a ball point writing instrument of the pushbutton retractable point type having a vastly simplified and improved latching mechanism of exceptionally durable construction that States tnt j tain "them in operative alignment, each' of the components will operate without failure during the service life of the device.
  • Figure 1 is a longitudinal sectional view of a ball point pen embodying the invention, the ball point being shown in full line in retracted position and in phantom line in extended writing position;
  • Figure 2 is a partial longitudinal sectional view, on
  • Figures 3 through 5 are views similar to Figure 1 but showing the several components in pen point extending, extended or writing position, and pen point retracting relationships, respectively;
  • Figure 6 is a sectional view taken along the line 6-6 of Figure 1; and v Figure 7 is a sectional view taken on the line 7-7 of Figure 1. 7
  • my improved ball point pen includes an elongate tubular holder 10 comprising an assembly of a barrel 12 having a tubular cap 14 threadis a self-contained element removable as a-whole from a the holder 10.
  • a latching mechanism indicated generally by the numeral 20 is enclosed in the cap 14 in operative lassociation with the ball and cartridge unit 16.
  • the action of the latching mechanism 20 is such that the unit 16 is shifted laterally during extension and retraction thereof. Therefore, the unit 16 is not axially slidably 'mounted in the holder whose central bore 22.
  • the barrels central bore is provided with a rearwardly facing shoulder 30 to"
  • the cap 14 at'its upper end is formed with an inwardly turnedflange 36'. which abuts the rear end of a sleeve 38.
  • the latching mechanism 20 also includes, a plunger 40 axially slidably mounted through the upper end of sleeve 38, a bell-shaped latch member 42 and a compression spring 44 resiliently separating plunger 40 and latch 42.
  • latching mechanism 20 in order to mainis formed with a pair of. flats on opposite sides thereof, as is shown in Figures 6 and 7.
  • the plunger 40 has an integrally formed pushbutton' portion 50 which protrudes through the rear end of the cap 14.
  • a downwardly opening spring pocket 52 is defined in the plunger 40 to receive the coil spring44, the lower end of the spring 44 hearing against the upper end of latch 42 and being retained on the center thereof; by a centering member 54 formed integrally with latch 42.
  • the spring 44 is'of lesser force than the spring 32 enclosed in the lower end of barrel 12 and serves to bias the vpushbutton 50 out wardly of cap 14 independently of the action of the spring '32.
  • the lower end of the plunger 49 is formed with oppositely-disposed, outwardly-extending abutm'ents- 56 which are engageable with complementaryinternal in the sleeve 38.
  • the latch 42 In order to couple the ball and cartridge unit 16 to the latch 42, the latter is provided with a central down wardly opening frusto-conical cavity 60, the closedend of which is provided with a semi-spherical or semi-cylindrical protrusion 62 against which the upper or rear end face of the unit 16 pivotally bears.
  • An improved writing implement comprising a barrelhaving a forward opening, an elongated writing element located in said barrel and longitudinally slidable therein between an advanced and retracted position, spring means normally urging said writing element toward said retracted position, a laterally movable and rockable locking member provided with a rearwardly directed face having a transverse abutment surface and being longitudinally movable .betweenan advanced and retracted position and having an axial portion in rockable engagement with the upper end of the writing element and movable with saidwriting element to be normally urged by said spring means to the retracted position, a first latching element located on one sideof said locking member spaced longitudinally from said abutment surface, a second relatively stationary latching element fixed to said barrel and relcasably engaging said first latching-clement and pivoting the locking member thereabout toga position offset and substantially parallel 'to the longitudinal axis of said barrel and so positioned that said writingeiement is in advnnced position upon engagement between said latch
  • An improved writing implement comprising a barrel having a forward opening, an elongated writing element located in said barrel and longitudinally slidable therein between advanced and retracted positions, spring means normally urging said-writing element toward said ctr-acted position, a laterally rockable locking member having a forwardly directed axial portion in rockable engagement with the upper end of said writing element and being longitudinally movable wtih said writing element between said advanced and retracted positions and normally urged with said writing element to said retracted position by said spring means, a first latching element located on one side of said locking member, a second relatively stationary latching element fixed to said barrel and releasably engaging said first latching element and pivoting the locking member thereabout to a position elf-set and substantially parallel to the longitudinal axis of said barrel and so positioned that said writing element isin advanced position upon engagement between said latching velements, a rearwardly directed abutment surface on said locking member spaced longitudinally from said first latching element, and a plunge
  • An improved writing implement comprising a barrel, a depressible plunger disposed for longitudinal sliding within said barrel and projecting beyond the rear barrel end, an elongated Writing element biased rearwardly within said barrel and slidably disposed therein to shift longitudinally between projected and retracted positions with respect to the forward barrel end, and a laterally rockable and longitudinally movable latch membcr disposed within said barrel in fulcrurned relation with respect to the rear end of said writing unit and forwardly of said plunger, said latch member being unattached to the barrel or writing elements and having rearwardly facing contact areas at opposite sides thereof and opposite laterally extending latching elements at said opposite sides spaced longitudinally from said contact areas, said barrel having opposite latching shoulders fixed therein for releasably engaging the respective latching elements on said latch member for latching said writing element alternately 'at said projected and retracted positions, said plunger having forwardly facing contact areas disposed in opposing operative relation to said latch member contact areas and being engageable with said latch member upon successive
  • a writing implement comprising a barrel, a writing unit and a depressible plunger disposed within the barrel to move longitudinally therein for alternate projection and retraction of the writing unit upon successive depressions of the plunger, forwardly facing abutment means fixed in said barrel for engaging a latch, and means biasing said writing unit rearwardly in said barrel toward retracted position
  • the improvement which :comprises a laterally rockable and longitudinally movable latch member disposed within said barrel in fulcrumed relation with respect to the rear end of said rearwardly biased writing unit and forwardly of said plunger, said latch member having rearwardly facing contact areas and latching portions longitudinally spaced therefrom, said latching portions being alternately engaged with said barrel abutment means, a first depression of said plunger applying a force to said fulcrumed latch member directed to rock said latch member and to laterally shift the .unengaged latching portion thereof toward engagement with said unengaged barrel abutment means, and said latch member upon said last mentioned engagement being pivoted oppositely about
  • a writing instrument comprising a barrel, a writing unit and a plunger slidably disposed within the barrel for alternate longitudinal projection and retraction of the writing unit upon successive depressions of the plunger, and means biasing said writing unit toward retracted position
  • the improvement which comprises a latch member having contact areas and latching portions spaced longitudinally therefrom, slidably disposed in fulcrumed relation at the rear end of said writing unit and within said barrel forwardly of the plunger, said latch member being unattached to the barrel or writing unit and being actuated by said plunger to rock transversely in said fulcrumed relation incident to longitudinal movement of said plunger and latch member to shift said writing unit between projected and retracted positions, said plunger being engageable with said latch member contact areas upon successive plunger depressions for rocking said latch member alternately in opposite directions, said barrel being arranged interiorly to allow rocking of said latch member and having means therein engageable by said latch member latching portions upon rocking thereof to position said writing unit alternately in said projected and-retracted positions
  • said latch member is 7 formed with a central downwardly opening cavity, the closed end of said cavity having a protrusion formed thereat against which the rear end of said writing elet ment pivotally bears, the lower end of said latch member having said latching portions formed thereat longitudinally adjacent the open end of said cavity, and said rearwardly facing contact areas being provided at the upper end Of/Sflid. latch member exteriorly with respect to the closed end of said cavity.

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
US675149A 1957-07-30 1957-07-30 Ball point pen Expired - Lifetime US2930355A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US675149A US2930355A (en) 1957-07-30 1957-07-30 Ball point pen
GB11549/58A GB880633A (en) 1957-07-30 1958-04-11 Improvements in retractable-point writing instruments
FR764266A FR1215569A (fr) 1957-07-30 1958-04-28 Stylographe à pointe à bille
DEA29366A DE1264994B (de) 1957-07-30 1958-04-28 Schreibgeraet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US675149A US2930355A (en) 1957-07-30 1957-07-30 Ball point pen

Publications (1)

Publication Number Publication Date
US2930355A true US2930355A (en) 1960-03-29

Family

ID=24709260

Family Applications (1)

Application Number Title Priority Date Filing Date
US675149A Expired - Lifetime US2930355A (en) 1957-07-30 1957-07-30 Ball point pen

Country Status (4)

Country Link
US (1) US2930355A (fr)
DE (1) DE1264994B (fr)
FR (1) FR1215569A (fr)
GB (1) GB880633A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007444A (en) * 1958-06-03 1961-11-07 Scripto Inc Latch mechanism assembly for retractable ball pen
US3062191A (en) * 1959-08-07 1962-11-06 Scripto Inc Latch mechanism for retractable ball pens adaptable for automatic assembly
US3289639A (en) * 1965-02-23 1966-12-06 Scripto Inc Retractable writing instrument
US3299857A (en) * 1965-08-06 1967-01-24 Hartley Co Pen with ink cartridge extension and retraction mechanism
US3427113A (en) * 1965-03-06 1969-02-11 Bourbon A & Fils Sa Ets Operating device for writing appliances with retractable writing elements
US6290415B1 (en) * 2000-05-31 2001-09-18 Chau-Tsung Chen Telescopic device with a firm positioning effect
CN106144732A (zh) * 2016-08-31 2016-11-23 泉州市扬文化用品有限公司 一种按压式修正带
US20230406030A1 (en) * 2020-11-04 2023-12-21 Qingdao Best Point Stationery Co., Ltd. Pressing type writing instrument

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3069589D1 (en) * 1979-07-02 1984-12-13 Platignum Plc A retractable mechanism for a writing element

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE53926C (de) * W. G. DINKELMEYER in Nürnberg Bleistifthalter
FR840819A (fr) * 1938-05-04 1939-05-04 Vendita Penna Bicolore Itala C Stylographe à deux plumes
US2584569A (en) * 1945-11-17 1952-02-05 Parker Pen Co Ball point writing instrument
GB748897A (en) * 1953-05-06 1956-05-16 Mentmore Mfg Co Ltd Improvements in or relating to writing instruments having a retractable writing point
FR1127686A (fr) * 1955-07-15 1956-12-21 Christian Ets Stylographe à embout rétractable à système automatique
US2863421A (en) * 1955-02-28 1958-12-09 Ferber Corp Writing instrument
US2865331A (en) * 1953-08-17 1958-12-23 Paper Mate Of Puerto Rico Inc Cam type retractable mechanisms

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE53926C (de) * W. G. DINKELMEYER in Nürnberg Bleistifthalter
FR840819A (fr) * 1938-05-04 1939-05-04 Vendita Penna Bicolore Itala C Stylographe à deux plumes
US2584569A (en) * 1945-11-17 1952-02-05 Parker Pen Co Ball point writing instrument
GB748897A (en) * 1953-05-06 1956-05-16 Mentmore Mfg Co Ltd Improvements in or relating to writing instruments having a retractable writing point
US2865331A (en) * 1953-08-17 1958-12-23 Paper Mate Of Puerto Rico Inc Cam type retractable mechanisms
US2863421A (en) * 1955-02-28 1958-12-09 Ferber Corp Writing instrument
FR1127686A (fr) * 1955-07-15 1956-12-21 Christian Ets Stylographe à embout rétractable à système automatique

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007444A (en) * 1958-06-03 1961-11-07 Scripto Inc Latch mechanism assembly for retractable ball pen
US3062191A (en) * 1959-08-07 1962-11-06 Scripto Inc Latch mechanism for retractable ball pens adaptable for automatic assembly
US3289639A (en) * 1965-02-23 1966-12-06 Scripto Inc Retractable writing instrument
DE1269540B (de) * 1965-02-23 1968-05-30 Scripto Inc Druckkugelschreiber
US3427113A (en) * 1965-03-06 1969-02-11 Bourbon A & Fils Sa Ets Operating device for writing appliances with retractable writing elements
US3299857A (en) * 1965-08-06 1967-01-24 Hartley Co Pen with ink cartridge extension and retraction mechanism
US6290415B1 (en) * 2000-05-31 2001-09-18 Chau-Tsung Chen Telescopic device with a firm positioning effect
CN106144732A (zh) * 2016-08-31 2016-11-23 泉州市扬文化用品有限公司 一种按压式修正带
CN106144732B (zh) * 2016-08-31 2018-08-07 泉州市一扬文化用品有限公司 一种按压式修正带
US20230406030A1 (en) * 2020-11-04 2023-12-21 Qingdao Best Point Stationery Co., Ltd. Pressing type writing instrument

Also Published As

Publication number Publication date
FR1215569A (fr) 1960-04-19
GB880633A (en) 1961-10-25
DE1264994B (de) 1968-03-28

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