US3729269A - Pen casing - Google Patents

Pen casing Download PDF

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Publication number
US3729269A
US3729269A US00067940A US3729269DA US3729269A US 3729269 A US3729269 A US 3729269A US 00067940 A US00067940 A US 00067940A US 3729269D A US3729269D A US 3729269DA US 3729269 A US3729269 A US 3729269A
Authority
US
United States
Prior art keywords
pen
retention member
adaptor
barrel
writing tip
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
US00067940A
Other languages
English (en)
Inventor
H Koeln
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.)
PENN CORP
Original Assignee
PENN CORP
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 PENN CORP filed Critical PENN CORP
Application granted granted Critical
Publication of US3729269A publication Critical patent/US3729269A/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
    • B43K7/00—Ball-point pens
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K8/00—Pens with writing-points other than nibs or balls
    • B43K8/003—Pen barrels

Definitions

  • a pen casing includes an upper member, a middle member and a cap.
  • the upper member has an elongated cavity of triangular cross-section extending therethrough and the middle member has a neck portion adapted to press-fit within the cavity of the upper member.
  • the neck portion has a triangular crosssectional shape which conforms to the shape of the cavity and includes at least one protrusion extending out- I wardly from its surface.
  • the protrusion is adapted to press tightly against the inner surface of the cavity to provide a tight press-fit of the middle member within v the cavity.
  • the cap is adapted to slidably fit over the lower end of the middle member.
  • Non-retractable pens usually include a barrel, a cartridge permanently mounted within the barrel and a cap adapted to slip over the writing point of the cartridge.
  • adhesives or other types of securing means are customarily used.
  • This invention includes a non-retractable pen casing which provides means for press-fitting the cartridge within the barrel so that adhesives or other securing means are not needed.
  • a pen casing including a plurality of members which can be assembled by pressfitting without the need for adhesives or other securing means; the provision of a pen casing having a polygonal cross-section forming a plurality of elongated surfaces which can be used for display advertising or other indicia; the provision of a pen casing which can be used for ball-point pens, felt-tip pens, or any other type of writing instrument; and the provision of a pen casing which is economical'to manufacture; durable in use and attractive in appearance.
  • FIG. I is a partial sectional view of the pen'casing of this invention showing the cap and the upper member in section;
  • FIG. 2 is an exploded perspective view thereof
  • FIG. 3 is a sectional view taken along line 33 of FIG. 1;
  • FIG. 4 is a sectional view of the middle member illustrating its use with a nylon writing tip
  • FIG. 5 is a sectional view of the middle member illustrating its use with a ball-point writing tip.
  • a pen casing includes an upper member 12, a middle member 14 and a cap 16.
  • the upper end of pen l0 refers to the uppermost portion when thepen is in writing position
  • the term lower end refers to the lower end of the pen when it is in the same position.
  • Upper member 12 includes an upper end 18 closed by a plug 19 and an open lower end 20 which opens inwardly to an elongated cavity 22 extending longitudinally through upper member 12. Cavity 22 is triangular in cross-section as is the outer surface of upper member 12. It is also possible to construct upper member 12 and cavity 22 of other polygonal shapes which provide a plurality of flat surfaces on the outer surface of upper member 12. Such flat surfaces are particularly suitable for displaying advertising or other indicia thereon.
  • Upper end 18 is shown in the drawings as closed by -plug 19. Two small apertures 19a are provided therein for permitting the flow of air into cavity 22 from the atmosphere.
  • Middle member 14 includes at its lower end a tapered nose 24 which is substantially circular at its extreme lower end and which increases in cross-section as it progresses toward its upper end.
  • the extreme upper end of nose 24 is triangular in cross-section.
  • Adjoining the extreme upper end of nose 24 is a flange 26 which protrudes radially outwardly from the surface of middle member 14 and which is triangular in shape.
  • Flange 26 includes a downwardly presented face 28, an upwardly presented face 30, and a triangular peripheral edge 32.
  • a neck 34 having a triangular outer surface which conforms substantially to the shape of cavity 22.
  • the triangular apexes of cavity 22 and neck 34 are slightly flat or rounded off rather than being sharp.
  • a plurality of protrusions or ribs 36 Protruding radially outwardly from neck 34 and lying substantially along the triangular apexes of neck 34 are a plurality of protrusions or ribs 36.
  • the size of neck 34 is such that it will fit snugly within cavity 22 in the absence of ribs 36, but with ribs 36 thereon the fit is extremely tight to insure that neck 34 will be permanently secured within cavity 22 once it is force fitted therein.
  • Ribs 36 press against the apexes of cavity 22 to provide this forced fit.
  • Ribs 36 are constructed of a somewhat elastic material such as plastic or rubber so that they will yieldably distort when neck 34 is forced into cavity 22.
  • Neck 34 tapers radially inwardly at its upper end and merges into a cylindrical tube 38 which extends upwardly therefrom.
  • middle member 14 includes a bore 40 which extends longitudinally therethrough.
  • the lower end of bore 40 includes a minor bore 42 and the upper end of bore 40 includes a major bore 44 of somewhat larger diameter than minor bore 42.
  • Minor bore 42 and major bore 44 are divided by an upwardly presented annular shoulder 46 which is on the interior of bore 40 intermediate its ends.
  • Protruding within the uppermost end of major bore 44 is a plug 47 which includes an annular rim 48' adapted to engage the uppermost end of tube 38 so as to prevent the sliding movement of plug 47 beyond a predetermined point within major bore 44.
  • Middle member 14 is adapted to hold various types of writing points and the cartridges associated therewith.
  • middle member 14 is shown adapted for use with a nylon writing tip 50. While tip 50 is constructed of nylon, other materials may also be used. This type of pen is generally referred to as a felt-tip pen regardless of the specific material used in the tip.
  • Nylon tip 50 is forcibly fitted through an aperture in an adapter 52.
  • Adapter 52 includes a head 54 which forms an upwardly presented flange 56 abutting against the lower end of tapered nose 24.
  • Adapter 52 also includes a shank 58 which is pressfitted within minor bore 42 of middle member 14.
  • a reservoir cylinder 60 Slidably fitted within major bore 44 is a reservoir cylinder 60 having a cylindrical skin 62 which is open at its opposite ends and which surrounds a filling 64 made of cellulose or other absorptive material. Filling 64 is permeated with ink.
  • Writing tip 50 extends through an aperture in adapter 52 and protrudes into the material of filling 64 so that it will absorb ink from filling 64 in wick-like fashion.
  • middle member 14 is shown adapted for use with a ball-point writing tip.
  • An adapter 66 includes a head 68, an upwardly presented flange 7,0
  • Point 78 at its lower end.
  • Point 78 houses a ball bearing 80 of 5 conventional ball-point pen construction.
  • a downwardly presented shoulder 82 separates reservoir 76 and point 78.
  • Shoulder 82 abuts against an upwardly presented shoulder 84 provided in a longitudinal bore 86 extending through adapter 66.
  • Adapter 66 is permanently secured to cartridge 74 by means of peening at points 88.
  • Cap 16 has an outer surface which is triangular in cross-section and includes at its extreme lower end a reduced cross-sectional portion 90.
  • Cap 16 includes a cap cavity 92 which is triangular in cross-section and which has an open end at the upper end of cap 16.
  • cavity 92 shape and size of cavity 92 is such that it conforms to the cross-sectional size and shape of nose 24 immediately adjacent flange 26.
  • cap 16 will slidably fit over nose 24 and snugly but releasably abut against face 28 of flange 26.
  • Lower end of upper member 12 abuts against face 30 of flange 26 so that flange 26 is embraced between cap 16 and upper member 12.
  • the outer surfaces of upper member 12 and cap 16 are identical in cross-section and likewise the outer peripheral edge 32 of flange 26 has a triangular shape which conforms to the outer surfaces of upper member 12 and cap 16.
  • pen casing 10 has a smooth continuous outer surface formed by peripheral edge 32 of flange 26 and the outer surfaces of upper member 12 and cap 16.
  • the drawings illustrate pen casing 10 to be of triangular cross-section, and while this configuration is preferred, the cross-sectional shape could also be of other polygonal configuration.
  • a pen comprising writing tip means, adaptor collar means affixed to said writing tip means adjacent one end thereof, a retention member having a standard size opening at one end for accomodating insertion of said adaptor collar means, said adaptor collar means being formed with an internal adaptor opening sized to receive said writing tip means, the internal adaptor opening of said adaptor collar means corresponding to the cross-section of said writi'ng tip means such that writing tip means of different cross-section matched with adaptor collar means of corresponding adaptor openings form a substantially inseparable unit, said adaptor collar means having an outer peripheral body portion of uniform size engageable with the standard size opening of said retention member such that insertion of said adaptor collar means and said writing tip means in said retention member forms an integral assembly, said pen further including barrel means for supporting said retention member, said barrel means having a arrel opening at one end for accomodating insertion of said retention member as an extension of said barrel means, said barrel means and said retention member being of a single predetermined size and shape, said retention member being capable of
  • said retention member includes an ink cartridge for supplying ink to said fibrous writing tip, said tip extending into said ink cartridge to draw ink therefrom by absorption.
  • said abutment portion is an annular flange projecting away from the periphery of said retention member, said flange having a stop surface facing the open end of said barrel.
  • a pen as claimed in claim 8 further including a cover piece for said writing tip, said piece formed to be press-fitted onto said retention member in opposite disposition to said barrel.
  • annular flange includes a second stop surface facing said cover piece to limit insertion of said retention member in said cover piece.

Landscapes

  • Pens And Brushes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
US00067940A 1970-08-28 1970-08-28 Pen casing Expired - Lifetime US3729269A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6794070A 1970-08-28 1970-08-28

Publications (1)

Publication Number Publication Date
US3729269A true US3729269A (en) 1973-04-24

Family

ID=22079411

Family Applications (1)

Application Number Title Priority Date Filing Date
US00067940A Expired - Lifetime US3729269A (en) 1970-08-28 1970-08-28 Pen casing

Country Status (5)

Country Link
US (1) US3729269A (ko)
CA (1) CA933426A (ko)
DE (1) DE2133639B2 (ko)
FR (1) FR2101597A5 (ko)
GB (1) GB1302145A (ko)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603994A (en) * 1981-04-30 1986-08-05 Pentel Kabushiki Kaisha Ball-holder of a ball-point pen
USD424109S (en) * 1995-10-06 2000-05-02 The Gillette Company Pen
US20070154253A1 (en) * 2006-01-03 2007-07-05 Kotobuki & Co., Ltd. Writing instrument
ITTO20090330A1 (it) * 2009-04-27 2010-10-28 Dobell Spa Strumento di scrittura.
US20130167370A1 (en) * 2011-12-31 2013-07-04 Beifa Group Co., Ltd. Pen tip peening machine
US9221560B2 (en) 2011-12-29 2015-12-29 Beifa Group Co., Ltd. Vibrating device for uniform filling of granular ornaments
US9321296B2 (en) 2011-12-29 2016-04-26 Beifa Group Co., Ltd. Flat-pen automatic assembly line
CN107244158A (zh) * 2017-05-09 2017-10-13 北京新国人智慧科技股份有限公司 笔及其组装方法
US20190122575A1 (en) * 2017-04-21 2019-04-25 Two Sparrows Learning Systems, Inc. Adaptive Writing Utensil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL256135A (ko) * 1959-09-30
GB782159A (en) * 1954-04-15 1957-09-04 Mabie Todd & Co Ltd Improvements in writing instruments
US3087464A (en) * 1959-06-29 1963-04-30 Parker Pen Co Modular fountain pen
US3477792A (en) * 1967-12-05 1969-11-11 Sidney X Shore Retractable marking pens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB782159A (en) * 1954-04-15 1957-09-04 Mabie Todd & Co Ltd Improvements in writing instruments
US3087464A (en) * 1959-06-29 1963-04-30 Parker Pen Co Modular fountain pen
NL256135A (ko) * 1959-09-30
US3477792A (en) * 1967-12-05 1969-11-11 Sidney X Shore Retractable marking pens

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603994A (en) * 1981-04-30 1986-08-05 Pentel Kabushiki Kaisha Ball-holder of a ball-point pen
USD424109S (en) * 1995-10-06 2000-05-02 The Gillette Company Pen
US20070154253A1 (en) * 2006-01-03 2007-07-05 Kotobuki & Co., Ltd. Writing instrument
ITTO20090330A1 (it) * 2009-04-27 2010-10-28 Dobell Spa Strumento di scrittura.
US9221560B2 (en) 2011-12-29 2015-12-29 Beifa Group Co., Ltd. Vibrating device for uniform filling of granular ornaments
US9321296B2 (en) 2011-12-29 2016-04-26 Beifa Group Co., Ltd. Flat-pen automatic assembly line
US20130167370A1 (en) * 2011-12-31 2013-07-04 Beifa Group Co., Ltd. Pen tip peening machine
US20190122575A1 (en) * 2017-04-21 2019-04-25 Two Sparrows Learning Systems, Inc. Adaptive Writing Utensil
US10636319B2 (en) * 2017-04-21 2020-04-28 Two Sparrows Learning Systems, Inc. Adaptive writing utensil
US11565543B2 (en) 2017-04-21 2023-01-31 Two Sparrows Learning Systems, Inc. Adaptive writing utensil
CN107244158A (zh) * 2017-05-09 2017-10-13 北京新国人智慧科技股份有限公司 笔及其组装方法

Also Published As

Publication number Publication date
FR2101597A5 (ko) 1972-03-31
CA933426A (en) 1973-09-11
DE2133639A1 (de) 1972-03-02
DE2133639B2 (de) 1973-07-26
GB1302145A (ko) 1973-01-04

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