US3292594A - Writing implements - Google Patents

Writing implements Download PDF

Info

Publication number
US3292594A
US3292594A US511808A US51180865A US3292594A US 3292594 A US3292594 A US 3292594A US 511808 A US511808 A US 511808A US 51180865 A US51180865 A US 51180865A US 3292594 A US3292594 A US 3292594A
Authority
US
United States
Prior art keywords
cylinder
spring
catch
barrel
pendulum
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
US511808A
Other languages
English (en)
Inventor
Ghislanzoni Luigi
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.)
LEANDRO SCHELLINO
Original Assignee
LEANDRO SCHELLINO
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 LEANDRO SCHELLINO filed Critical LEANDRO SCHELLINO
Application granted granted Critical
Publication of US3292594A publication Critical patent/US3292594A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B43K24/10—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
    • B43K24/166—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons selection by gravity with a pendulum or the like

Definitions

  • the present invention relates to ball point pens having a barrel which contains twoor more tubular reservoirs for inks of various colors.
  • the ink-reservoirs as it is well known, are provided with a ball-point writing extremity and are contained within the barrel of the pen, ready to be axially and individually forced to protrude through an axial opening provided at one terminus of the barrel.
  • the device of the present invention is substantially characterized in that the controlling element for the sliding of the reservoirs or refills axially along the barrel consists of a single axial member, longitudinally mounted on the terminus of the barrel opposite to the writing terminus.
  • Another characteristic feature of the device of the present invention is the axial and elastic connection obtained between the pushbutton and the catch of the device, this connection resulting from the employment of a cylindrical spring of helically wound steel thread.
  • This feature is used in conjunction with the conventional tripping mechanism of the pen for the longitudinal sliding of the refill and its arrest in writing position.
  • the tripping mecha-' nism is the result of a coaxially mounted pushbutton operating in conjunction with a catch positioned within and relative to an inner cap, said catch being capable of resting in one of two positions, one of which is axially more advanced and corresponds to the advancement of one of the refills relative to the writing extremity of the barrel.
  • a further characteristic feature of thepresent device resides in the fact that there are provided externally and peripherally to the barrel reference signs or indicators for the desired selection of the colored inks and, consequently, of the corresponding refills.
  • Each indicator is located diametrically opposite to the corresponding refill, which is caused to protrude from the barrel by holding the pen in an inclined position, preferably about 45 degrees, maintaining the selected indicator along the optical axis of the writer and pressing the pushbutton to cause a force to be transmitted to the catch.
  • the catch is centrally connected to a selective pendular member which, due to the inclined position of the barrel, by gravity engages its free terminal with the resting or bearing end member of one of the refills positioned radially within the barrel.
  • FIGURE 1 is a partial, sectional view of the device, seen axially;
  • FIGURE 2 is a perspective view of the guiding element for the refills
  • FIGURE 3 is a top view of the element of FIGURE 2;
  • FIGURE 4 is a perspective representation of the terminal member of a refill
  • FIGURE 5 is a partial view of the correct positioning of the barrel during operation.
  • FIGURE 6 shows a variance in some control elements of the device.
  • the pen comprises a barrel with two removable and mutually connected members 10 and 11.
  • the upper member 10 also called the "ice cap
  • the projection 13a is crossshaped (see FIGURE 2). This configuration is, obviously, subject to modifications, depending on the number of refills contained in the barrel.
  • each refill 12 Surrounding each refill 12 there is mounted a cylindrical spring 14 acting between the upper surface of the cylindrical inner barrel 13 and the upper arrestor with which every refill is provided.
  • the arrestor consists of a member sector-like shaped 15 and of a pyramid-shaped stem 15a which sits in the upper portion of the respective refill.
  • the various sectors 15, when assembled, are illustrated in FIGURE 3 and are seated in the openings of the cross 13a, while retaining possibility of longitudinal movement.
  • Bell 16 On the peripheral edge of the sectors 15 (FIGURE 1) rests the circular edge of bell 16.
  • Bell 16 has an inner mantle longitudinally grooved and an unobstructed upper base, through which longitudinally travels the body of the cylinder 17.
  • Cylinder 17 is prevented from exiting upwardly by its toothed ridge 17a.
  • the cylinder 17 is of two different inner diameters and is tapered toward its upper extremity.
  • Within the larger cross-section of the cylinder Within the larger cross-section of the cylinder is located the catch 18, the apron 18a of which defines the degree of and the seating position with in the cylinder 17.
  • Elements 17, 18 and 16 are, of course, conventional and their relative position and use are known.
  • the apron of the ridge 17a and the apron18a are so shaped that they engage the inner channelling of bell 16 and, when the two cylinders or barrel are axially pushed in a downwardly direction (see FIGURE 1), the catch 18 (in cooperation with apron 18a and elements 17 and 17a) assumes a position as shown in solid lines in FIG- URE 1, or conversely, a position shown in dotted lines in FIGURE 1. In the latter case, the catch 18 is arrested against border 16a formed by the extremity of the grooves or channels 16.
  • the operation, per se, is known. What is novel is the axial non-rigid connection existing between said elements 17 and 18 through the cylindrical spring 19.
  • Spring 19 is connected at one end to boss 20, rotatable at the base of element 18, and at the opposite end to the base of element 17.
  • the extremity of the cylinder 17 is fixedly joined within the axial cavity of the pushbutton 21 with flange 21a.
  • the helicoidal truncoconical spring 22 operates between flange 21a of the pushbutton and the upper edge of bell 16.
  • the spherical or spheroidical head 24a of the member 24 has sufiicient play between the base of the boss 20 and the coller 23.
  • One portion 24b of the pendular member is substantially cylindrical and has a lesser diameter than the rest of the member, so as to permit the maximum angular oscillation on the arc of 360.
  • the catch member 18 consists of a cylindrical body positioned inside the larger diameter portion of the cylinder 17.
  • This cylindrical body has at the upper terminal a rotatable boss 20 (which in turn is connected by spring 19 to the upper terminal of the cylinder 17); at the lower terminal a flared apron 18a contacting the toothed ridge 17a and capable of sliding along the grooves of bell 16 and of being retained by the borders of the grooves; and in its midsection, frictionally contained therein; a collar 23 through which is inserted the pendular organ 24.
  • the extremity of the cap 10 Preferably at the extremity of the cap 10 (see A, B, C in FIGURE are indicated either in relief or inlaid the colors corresponding to the refills. However, any given color is located diametrically opposite to the corresponding refill.
  • the pin is handled in an inclined position (see FIGURE 5) with the selected indicator A, B, or C positioned upwardly.
  • the push- 'button 21 is pressed and the extremity of the pendulum 24 is gravitationally directed to the platelet or sector 15 of the refill.
  • the barrel 17 and its related element 17a slide toward the catch 18 (and 18a respectively) and release it from the assumed position, whereby, when the pushbutton is released, the original conditions of operation are re-established, the spring 14 causing the refill to re-enter the barrel of the device.
  • the walls or partitions 13a of the support 13 prevent radial movements of the pendulum 24.
  • the catch 18 (and element 18a) is provided with a hollow, cylindrical projection 18b which serves as a guide for the truncoconical spring 30 (replaces spring 19 of FIGURE 1).
  • the refills 12 are arrested, against the reaction of the relative springs 14, by the annular flanges 12c located at the base of the support 13. All other movements and elements of the device are identical or similar to those hereinbefore described with respect to FIGURES 1-5.
  • an ink-cartridge selecting and propulsion mechanism which comprises in combination: a spring-loaded, flanged and retractable pushbutton protruding from one terminus of said ball-point pen; a cylinder having an upper portion tapered and connected to said push-button and a lower portion of larger diameter and terminating with a toothed, flared ridge, said cylinder being slidable within the barrel of said pen; a bell-shaped element enclosing with its upper having an upper substantially spherical terminus, a oentr al rod-like section and a lower TOdrllk section of larger diameter than said central section; a rotatable 'boss positioned as integral part at the upper extremity of said catch and spaced from said upper terminus of said pendulum, said boss being connected to said tapered upper said bell-shaped element and having a cylindrical lower portion with apertures therethrough for said cartridges and a multi-pointed star-shaped upper portion with guiding

Landscapes

  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
US511808A 1964-12-11 1965-12-06 Writing implements Expired - Lifetime US3292594A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2735764 1964-12-11

Publications (1)

Publication Number Publication Date
US3292594A true US3292594A (en) 1966-12-20

Family

ID=11221489

Family Applications (1)

Application Number Title Priority Date Filing Date
US511808A Expired - Lifetime US3292594A (en) 1964-12-11 1965-12-06 Writing implements

Country Status (3)

Country Link
US (1) US3292594A (de)
DE (1) DE1933520U (de)
FR (1) FR1454772A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110200380A1 (en) * 2006-05-26 2011-08-18 Youngtack Shim Multicolor writing tools and methods

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1023101A (fr) * 1950-08-08 1953-03-13 Perfectionnements aux instruments à écrire à plusieurs couleurs
GB937964A (en) * 1959-03-25 1963-09-25 Walter Nagele A retractable writing implement with pressure knob and multiple lead carriers
US3164132A (en) * 1962-07-13 1965-01-05 Chromatic Corp Retractable multiple unit writing instrument
US3225747A (en) * 1962-08-08 1965-12-28 Schmidt Hans Ottmar Multicolor pen, particularly a multicolor ball point pen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1023101A (fr) * 1950-08-08 1953-03-13 Perfectionnements aux instruments à écrire à plusieurs couleurs
GB937964A (en) * 1959-03-25 1963-09-25 Walter Nagele A retractable writing implement with pressure knob and multiple lead carriers
US3164132A (en) * 1962-07-13 1965-01-05 Chromatic Corp Retractable multiple unit writing instrument
US3225747A (en) * 1962-08-08 1965-12-28 Schmidt Hans Ottmar Multicolor pen, particularly a multicolor ball point pen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110200380A1 (en) * 2006-05-26 2011-08-18 Youngtack Shim Multicolor writing tools and methods
US8322938B2 (en) 2006-05-26 2012-12-04 Youngtack Shim Multicolor writing tools and methods
US8534944B2 (en) 2006-05-26 2013-09-17 Youngtack Shim Multicolor writing tools and methods
US9254706B2 (en) 2006-05-26 2016-02-09 Youngtack Shim Multicolor writing tools and methods
EP3015280A2 (de) 2006-05-26 2016-05-04 Youngtack Shim Mehrfarbige schreibinstrumente und verfahren

Also Published As

Publication number Publication date
FR1454772A (fr) 1966-02-11
DE1933520U (de) 1966-02-24

Similar Documents

Publication Publication Date Title
EP0311121B1 (de) Schreibgerät
US4969764A (en) Capless retractable marking pen
US3989389A (en) Multi-color mechanical writing instrument
US2790422A (en) Multiple selective ball point pen
US3292594A (en) Writing implements
US4136980A (en) Mechanical pencil
US3544227A (en) Writing instrument
US3606556A (en) Fountain pen
US2523568A (en) Pencil with mechanical means for advancing the lead thereof
US3048879A (en) Fountain pen
US3865496A (en) Combination pen and pencil writing device
US2468258A (en) Writing instrument
US3705774A (en) Writing instrument
KR900009507Y1 (ko) 샤아프펜슬
US4238161A (en) Spotting device
US2690735A (en) Eraser retaining cap and clip
US3205862A (en) Mechanical pencils
US2503007A (en) Mechanical pencil of the selective plural instrument type
US3262426A (en) Writing tool
US1780405A (en) Pencil
US2367683A (en) Cap for pencils, pencil-pen combinations, or the like
US2560832A (en) Multicolor magazine pencil
US2737155A (en) Selective point pencils
US3572955A (en) Writing pen
US2589905A (en) Four-color magazine pencil