US3220134A - Calendar mechanism - Google Patents

Calendar mechanism Download PDF

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Publication number
US3220134A
US3220134A US98163A US9816361A US3220134A US 3220134 A US3220134 A US 3220134A US 98163 A US98163 A US 98163A US 9816361 A US9816361 A US 9816361A US 3220134 A US3220134 A US 3220134A
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United States
Prior art keywords
day
month
window
indicators
indicator
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Expired - Lifetime
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US98163A
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English (en)
Inventor
Muller Jean-Louis
Beguin Jean-Pierre
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Individual
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K29/00—Combinations of writing implements with other articles
    • B43K29/08—Combinations of writing implements with other articles with measuring, computing or indicating devices
    • B43K29/087—Combinations of writing implements with other articles with measuring, computing or indicating devices for indicating time, e.g. with calendars or watches
    • B43K29/0875—Combinations of writing implements with other articles with measuring, computing or indicating devices for indicating time, e.g. with calendars or watches with calendars
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars
    • G09D3/04—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar
    • G09D3/06—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar with rotatable members

Definitions

  • the calendar mechanisms of this type which are known in the art usually comprise a first indicator mounted for rotary and for axial motion within a housing, said first indicator carrying the figures l to 3l arranged on an outer cylindrical surface along a helical line so as to appear after one another in a window provided in said housing and to indicate the successive days of the month upon a rotation of said first indicator in one direction, a second indicator normally xedfor rotary motion to said first indicator, said second indicator carrying initials referring to the days of the week, and a control member to actuate both indicators in synchronism.
  • the figures indicating the day of the month successively appear in a window opposite the indication relating to the day of the week.
  • Calendar mechanisms for stylographs, pencil cases and similar writing instruments which are also known in the art, are arranged so that one of said indicators, for instance that of the days of the week, can be unclutched from the other indicator by shifting it axially against the action of spring means.
  • the two indicators are, however, not arranged for rotating simultaneously.
  • the indicator of the month day is stationary and the thirty-one figures carried by this indicator are arranged in seven columns on an outer surface thereof which is visible in its entirety.
  • the sole control operation to carry out for keeping the calendar up-to-date is to place, at the beginning of every month, t-he seven indications or initials of the week day indicator at the tops of the proper columns of the month day indicator.
  • Calendar mechanisms of the first type mentioned above and arranged, on the one hand, so that there always appears only one figure at once of the month day indicator to indicate the exact date, and on the other hand, so that both indicators can be reset with respect to one another at the end of the month without disassembling the mechanism, are also known in the art. These known mechanisms are, however, provided with two separate ice control members to actuate the indicators, one of said control members driving both indicators simultaneously during one and the same month, and the other control member being arranged so as to drive :only one indicator at the end of the month, thus permitting to set the week day indicator with respect to the month day indicator for the next month.
  • the known calendar mechanisms with two control members are, however, so intricated that they cannot be mounted on a writing instrument or on another article of common use, such as a lighter, a torch or a lipstick. Moreover, these known calendar mechanisms have also the drawback that the wrong control member can first be actuated when it is intended to perform a particular operation.
  • One object of this inveniton therefore is to provide a calendar mechanism of the first type mentioned above, in which one and the same control member enables, by means of a first controlling operation, to drive both indicators of the calendar simultaneously during a whole month, and, by means of another controlling operation, to unclutcli said indicators from one another, when they have to be reset, for instance, at the passage from one month to the next one.
  • Another object of the invention is to provide a calendar mechanism of the above-mentioned type with clutch means inserted between both indicators and arranged so as to be rendered in-openative upon actuation of the control member lof the calendar mechanism, one of said indicators thereby always remaining ⁇ operatively connected to the control member to be driven alone, when said clutch means do no more connect b-oth indicators to one another.
  • FIG. 1 is an elevational view of the ⁇ first embodiment with some parts broken away and other parts in section,
  • FIG. 2 is an elevational view of the upper portion of FIG. 1,
  • FIG. 3 is a part sectional and a part elevational View on a larger scale of said upper portion
  • FIG. 4 is a cross-sectional view on an even larger scale along line IV--IV yof FIG. l,
  • FIG. 5 is a part axial section of the second embodiment
  • FIG. 6 is a perspective exploded view on a larger scale of some parts of FIG. 5.
  • the calendar mechanisms represented in the drawings are mounted on stylographs each comprising a usual housing in which a retractile cartridge is mounted.
  • This cartridge can be moved from its retracted position toward its writing position and vice versa by means of a standard mechanism well known in the art, said mechanism being controlled by a pusher rod 12 protruding from the upper end of the stylograph.
  • the stylograph housing represented in FIGS. 1 to 4 comprises an upper cap member 1 and a lower body member 15 screwed into one another.
  • a tubular guiding member 2 is located within cap member 1. At its lower end the guiding member 2 is provided with an annular flange 8 firmly gripped between members 1 and 15 when these members are screwed into one another.
  • a threaded end piece could also be set with force fit at the lower end of cap member 1, for screwing said cap member into a tapped upper portion of body member 15.
  • guiding member 2 would advantageously be made integral with said end piece of cap member 1.
  • the upper and larger cylindrical portion of guiding member 2 is provided with a helical groove 3 of rectangular cross-section.
  • a cylindrical drum carrying a helical thread 4 on its inner face is set on to guiding member 20.
  • the thread di corresponds to groove 3 so that drum 5 moves in axial direction upon driving it in rotation around its axis, thus engaging a more or less important portion of guiding member 2.
  • On its outer face drum 5 carries the a'igures from f1 to 31. These figures are engraved or transferred so as to lie along a helical line having a pitch equal to those both of groove 3 and thread 4.
  • a window 19 (FIG. 2) provided in cap member 1 and carrying a vmagnifying lens 20 enables observing the indications carried by drum 5 a'fter one another.
  • a driving sleeve 9 is set around the pusher rod 12.
  • the sleeve 9 is mounted for rotary motion within cap member 1 and it extends from the top of guiding member 2, on which it is bearing, upwards and beyond the upper end of cap member 1.
  • This sleeve 9 is provided with an annular rim 10 bearing on an inner shoulder of cap member 1.
  • Sleeve 9 is thus held in a well determined axial position with respect to housing (1, 15). Seven notches 14 (FIG. 3) regularly staggered around the axis of sleeve 9 are provided in a portion of the latter which is extending above the peripheral rim 10 thereof.
  • a radially extending finger 13 is fixed on drum 11 so as to engage either one of the seven notches 14 and to provide for clutching said drum to sleeve 9.
  • a coil spring 17 is inserted between a Washer 16 screwed on to the upper end portion of sleeve 9 and an inner shoulder of drum 11, thus urging the latter downwards and pressing it on to the upper end of cap member 1.
  • sleeve 9 carries an axially extending key bolt 1S engaging a corresponding groove 6 provided across the helical thread 4 of drum 5 (FIG. 4).
  • the outer cylindrical face of drum 5 is provided with seven axially extending grooves 7 regularly staggered around drum 5.
  • a middle bent portion 23 provided on an arcuate spring wire 22 located in an axially extending lodging 21 of cap member 1 may engage either one of the seven grooves 7 to hold drum 5 in such predetremined positions that one iigure carried by said drum each time appears exactly opposite window 19.
  • the calendar mechanism described above is most easily to handle.
  • the thirty-one figures carried by drum 5 successively appear behind lens 20.
  • the figure corresponding to the present month day is rst brought opposite window 19 by merely rotating drum 11 in the proper direction. If the initial referring to the week day, which then appears on drum 11 opposite window 19 does not correspond to the present week day, the drum 11 is pulled against the action of spring 17 until iinger 13 is completely disengaged from notch 14 and then rotated alone until the right initial comes opposite window 19. Drum 11 can then be released. At that moment, linger 13 lies in another notch 14.
  • the second embodiment of the calendar mechanism according to the invention which is represented in FIGS. 5 and 6, is also mounted on a stylograph comprising a lower body member 15a and a cap member 1a screwed into one another.
  • a center pusher rod 12 enables controlling a retractile cartridge (not shown) in the usual manner.
  • the indications relating to the month days and which are provided on the outer cylindrical surface of drum 5a appear in a window 19 provided in the wall of cap mem- Vber 1a.
  • the drum 5a extends Within cap member 1a and a helical screw tap 3a is provided in its inner face.
  • the tapped portion 3a engages a corresponding screw thread 4a provided on the outer surface of the upper portion of a stationary guiding member 2a being in fixed relationship with cap member 1a.
  • This guiding member 2a is secured to cap member 1a by means of its bearing surface 24 which is set with force t into the lower end portion of cap member 1a.
  • the lower end portion (not shown) of guiding member 2a protrudes from cap member 1a and is provided with a screw thread screwed into a tapped portion of the lower body member 15a of the stylograph.
  • the threaded portion of guiding member 2a thus enables disassembling the cap member 1a from the body member 15a to replace, for instance, the cartridge of the stylograph when the ink is exhausted.
  • a drum element 11a arranged outside the cap member 1a carries on its outer surface the initials relating to the days of the week.
  • Element 11a forms part of a piece having an upper serrate portion 11b constituting a control member.
  • the serrate portion 11b can indeed very easily be gripped and actuated in rotation as Well as in axial direction.
  • a clutching sleeve 25 has also a serrate portion at its upper end, said portion being set With force t into piece (11a, 11b).
  • the grooves of the upper serrate portion of sleeve 25 extend in axial direction.
  • An annular outer rim 26 is formed at the lower end of sleeve 25 and a tooth 27 extends downward in axial direction from the lower face of rim 26. Tooth 27 normally engages one of seven notches 28 provided in the upper portion of a driving sleeve 29 freely arranged, like sleeve 25, around the pusher rod 12.
  • sleeve 29 The lower end of face of sleeve 29 bears against the upper end face of the guiding member 2a provided lwith thread 4a.
  • a flange 30 arranged so as to bear against an inner shoulder of cap member 1a.
  • Sleeve 29 is thus held in a well-determined axial position between the two abutting faces constituted by said shoulder of cap member 1a and the upper end face of guiding member 2a.
  • This sleeve 29 can, however, freely rotate about its axis.
  • a ring 32 provided with a tooth 31 extending inward in a radial direction, is set in drum 5a so as to engage a groove 33 extending in an axial direction and provided in the outer surface of sleeve 29. Tooth 31 and groove 33 form a rigid connection between drum 5a and sleeve 29, as regards rotary motion, whichever the axial position of drum 5a, with respect to guiding member 2a may be.
  • Piece (11a, 11b) and clutching sleeve 25 secured thereto can be moved in axial direction against the action of a coil spring 17a located around sleeve 25 and compressed between rim 26 and the lower end face of a sleeve 34 set with force it into the upper end portion of cap member 1a.
  • the upper end portion of sleeve 34 forms a liange 36 which iirmly holds the annular portion of a clip 35 within a lodging formed in the upper end portion of cap member 1a.
  • the spring 17a normally holds sleeves 25 and 29 in clutched condition, so as to transmit a rotary motion exerted on control member 11b simultaneously to drums 11a and Sa. If the control member 11b is, however, pulled axially against the action of spring 17a, the tooth 27 is removed from notch 28 it was engaging, thus enabling drum 11a to rotate alone.
  • Seven conical depressions 37 are provided in the upper vface of ange 36. These depressions are regularly staggered at the periphery of member 34.
  • a at ring 38 is furthermore rigidly fixed to piece (11a, 11b) and seven hemispherical projections 39 protrude from the lower face of ring 38.
  • the projections 39 which can be stamped out of ring 38, have a height smaller than the length of tooth 27. Their arrangement corresponds to that of the depressions 37.
  • ring 38 extends immediately over rim 36 and is normally pressed thereon by spring 17a.
  • the projections 39 and the corresponding depressions 37 provide for a ratchet mechanism by means of which drum 11a can be set and normally held in seven different positions around its axis, which are well determined with respect to cap member 1a. In these seven positions drum 5a is also held in well determined angular and axial positions in each of which one of its indications exactly appears in the center of window 19. T o move drum 11a -from one of its predetermined resting positions to the next one, the control member 11b needs only be rotated with a force suiiicient to disengage projections 39 from depressions 37.
  • the calendar mechanism of FIGS. 5 and 6 moreover functions exactly in the same manner as the mechanism represented in FIGS. 1 to 4.
  • the spring means 17, 17a respectively, provided in the calendar mechanisms described above, safely hold both indicators of said mechanisms in clutched condition so that no derangement can occur. If the drum indicating the week days is inadvertently actuated in rotation or if one does not remember to have moved it one step forward, during the present day, the right indication can nevertheless be re-established by merely checking the week day indication appearing opposite Window 19. If this week day indication does not correspond to the present date, drums 11, 11a, respectively, need only be rotated until the exact Week day indication appears opposite window 19, thus automatically causing the present month day indication to appear in window 19.
  • the calendar mechanisms described above enable easily and quickly determining which was the month day, for instance of the preceding Thursday, or which month day will be the next Friday, by merely rotating drum 11, in the first instance to the left, until the indication T (Thursday) appears opposite window 19, and, in the second instance, to the right, until the indication F (Friday) appears opposite said window.
  • the calendar mechanisms described similarly permit to determine the week day corresponding to a particular month day of the same month.
  • the calendar mechanism represented in FIGS. 5 and 6, has even a further advantage which is due to the fact that the ratchet mechanism provided for holding both drums in their predetermined positions comprises a spring 17a which also keeps both sleeves 25 and 29 normally in clutched condition.
  • the manufacture of the calendar mechanism is indeed simplified thereby.
  • a calendar to indicate the present month day in a fixed window and the corresponding week day opposite said window comprising a month day indicator carrying the month day indications successively appearing in the window upon a rotary drive exerted on said month day indicator, a week day indicator carrying the Week day indications successively appearing opposite the window upon a rotary drive exerted on said week day indicator, clutching means between said month day and said week day indicators comprising a clutch member movable in axial direction from a clutched position in which said indicators rotate together into an unclutched position in which one of said indicators can rotate alone and vice versa, and a control member mounted for rotary and for axial motion and connected both to said clutch member to move it axially from its clutched to its unclutched position and vice versa and with said one indicator to rotate it alone when said clutch member is in its unclutched position and to rotate both indicators together when said clutch member is in its clutched position.
  • said movable member of the ratchet mechanism consisting of a ring xed to said week day indicator, said ring being provided with projections regularly staggered around the axis of said ring and extending axially from its lower face, and
  • said fixed member being formed with depressions corre- 4 sponding to said projections.
  • a calendar comprising month day indications arranged so as to become successively apparent one at a time, week day indications arranged so as to enable positioning either one of them 'opposite the presently appearing month day indication, clutch means including a member movable from a clutched position, in which it associates the month day and the Week day indications together so as to keep always the correct Week day indication positioned opposite the month day indication during a Whole month, to an unclutched position, in which it enables adjusting one of said day indications with respect to the other day indications, and vice versa, and control means comprising a manually operable member operatively connected to the movable member of said clutch means and arranged both for causing said month day indications to become successively apparent and each of said week day indications to be positioned successively opposite the corresponding month day indication, when the movable member of said clutch means is in clutched position, and for bringing said movable member in unclutched position so as to enable positioning another Week day indication opposite a predetermined month day indication

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
US98163A 1960-03-25 1961-03-24 Calendar mechanism Expired - Lifetime US3220134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH335360A CH365633A (fr) 1960-03-25 1960-03-25 Calendrier

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US3220134A true US3220134A (en) 1965-11-30

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US98163A Expired - Lifetime US3220134A (en) 1960-03-25 1961-03-24 Calendar mechanism

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CH (1) CH365633A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413747A (en) * 1966-05-27 1968-12-03 Tana Fab Writing instrument having a retractable writing member
US6742953B2 (en) 2002-01-24 2004-06-01 Bic Corporation Writing instrument with display window
USD791233S1 (en) * 2015-07-08 2017-07-04 Mark Willey Indicia fields

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1272773B (de) * 1963-04-05 1968-07-11 Udo Riehle Schreibgeraet mit Rechenschieber

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1600099A (en) * 1924-07-17 1926-09-14 Jongh Philippe Joseph De Calendar
US1692392A (en) * 1928-11-20 Pekpettjal calendar
US2032547A (en) * 1936-03-03 Indicator
US2329631A (en) * 1941-04-04 1943-09-14 Sylvester G Lipic Calendar pencil
US2567395A (en) * 1948-12-06 1951-09-11 Jr Thomas F Peterson Perpetual calendar

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1692392A (en) * 1928-11-20 Pekpettjal calendar
US2032547A (en) * 1936-03-03 Indicator
US1600099A (en) * 1924-07-17 1926-09-14 Jongh Philippe Joseph De Calendar
US2329631A (en) * 1941-04-04 1943-09-14 Sylvester G Lipic Calendar pencil
US2567395A (en) * 1948-12-06 1951-09-11 Jr Thomas F Peterson Perpetual calendar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413747A (en) * 1966-05-27 1968-12-03 Tana Fab Writing instrument having a retractable writing member
US6742953B2 (en) 2002-01-24 2004-06-01 Bic Corporation Writing instrument with display window
USD791233S1 (en) * 2015-07-08 2017-07-04 Mark Willey Indicia fields

Also Published As

Publication number Publication date
CH365633A (fr) 1962-11-15

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