US3678678A - Reminder clock - Google Patents

Reminder clock Download PDF

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Publication number
US3678678A
US3678678A US67848A US3678678DA US3678678A US 3678678 A US3678678 A US 3678678A US 67848 A US67848 A US 67848A US 3678678D A US3678678D A US 3678678DA US 3678678 A US3678678 A US 3678678A
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United States
Prior art keywords
contact
face
clock
contacts
ring
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Expired - Lifetime
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US67848A
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English (en)
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Alfonso O Macedo
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Individual
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Individual
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/30—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times with provision for a number of operations at different times, e.g. ringing the bells in a school

Definitions

  • ABSTRACT A reminder clock including a mechanism adapted to any conventional type of clock, comprising a gear-train driven by one of the normal members of the clock to which it is adapted, such as the hour hand axle, which by means of a pinion coupled thereto, through said gear-train, finally drives an inner gear with a shift ratio reduced into a scale depending upon the days wanted to be included in the schedule.
  • a plurality of slots wherein there are located a corresponding number of contacts positionable at will to operative or inoperative positions by the action of several bolts capable of being depressed, each of which coincides with difierent parts of the contacts and are located in a movable outer rim.
  • An electric circuit is provided to produce an audible signal when the contacts in operative position are engaged by a contact of the circuit.
  • the inner gear can be fastened to a face movable around the conventional face and including at the periphery thereof the positionable contacts which in due time can contact the circuit contact.
  • the face with the positionable contacts is fixed to or integral with the conventional face, and the inner gear synchronously shifts the circuit contact so that it can opportunely connect the now stationary positionable contacts.
  • Another type of conventional reminder clock which has been adapted in wrist-watches, operates with an electric circuit including a battery, and is capable of making an audible indication of a time previously set, however, in order to register another further time it is necessary for the former to have elapsed.
  • Another object of this invention is to provide a reminder clock wherein the user can visibly know the number of appointments with the date and hour thereof, to be attended to.
  • FIG. 1 is a top plan view showing a preferred embodiment of the reminder clock of the present invention, with the face thereof partially movable.
  • FIG. 2 is a side elevational view of the reminder clock of FIG. 1.
  • FIG. 3 is a longitudinal cross-sectional view through the reminder clock of FIGS. 1 and 2.
  • FIG. 4 is a top plan view with the face broken away and conventional sections illustrating the gear-train of the reminder clock of the present invention, and corresponding to FIGS. 1 through 3.
  • FIG. 5 is a detailed view in section, showing the bolts actuating the positionable contacts of the reminder clock of this invention.
  • the dotted lines represent the contact in a working condition.
  • FIG. 6 is a longitudinal section view similar to FIG. 3, showing another embodiment of the present reminder clock, with the face thereof fixed.
  • FIG. 7 is a detailed view in section, showing the automatic erase cam to return said contacts into their rest position in the reminder clock of the present invention.
  • FIG. 8 is a vertical elevational view of one of the positionable contacts of the reminder clock of the present invention.
  • FIG. 9 is a side elevational view of one of the positionable contacts of the reminder clock of the present invention.
  • the reminder clock 11 of the present invention comprises, according to the embodiment shown in FIG. 1, a face 12 of conventional type, firmly fastened by means of screws 13 or similar fastening means, through spacers 14 of suitable length, to the upper portion 15 of case 16, wherein the conventional machinery of the clock is located.
  • Said face 12 includes an hour hand l7 and a minute hand 18, operating in a conventional manner.
  • annular movable face 19 Independently of the fixed face 12, there is located at the periphery thereof an annular movable face 19, slightly separated from face 12, which includes partitions 20 forming sectors 21 corresponding each to every day of the week in the embodiment illustrated in FIG. 1; of course, these sectors could correspond to dissimilar dates.
  • This movable face 19 is fastened by screws 22 to an upper cylindrical annular spacer rim 23, to an inner gear 24 and to a lower annular spacer rim 25.
  • Said lower annular spacer rim 25 includes a channel or hemispherical slot 26 in the central portion of the base thereof, which is supported on a plurality of bearings 27, housed in a channel 28 of the upper portion 15 of said case 16. This provides for the free movement of said face 19, thus avoiding any type of undesirable friction between the sliding contact surfaces.
  • the axle 29 of the hour hand includes, in the embodiment shown in FIGS. 1 to 3, a pinion 30 driving an idle or intermediate gear 31 which, in turn, transfers the motion to an inner gear 32.
  • the intermediate gear 31 is connected to the upper portion 15 of case 16, by means of an adjustable bridge or framing 33, supporting the axle 34 of gear 31.
  • a gear ratio between said pinion and the inner gear of one-fourteenth that is, for every two complete turns of pinion 30, corresponding to 24 hours or 1 day, said inner gear is displaced or shifted one-seventh, i.e., corresponding to one sector 21 corresponding, in turn, to a day of the week.
  • the above relationship can be obtained, for instance, with a pinion having 12 teeth and 0.5 cm. diameter with an enclosing or cycloidic profile, in the first instance, with a diametral pitch of 60 or 120, according to the size required and with a 25 pressure angle; the intermediate gear 31 can be formed with 78 teeth and 3.25 cm. diameter and said inner gear 32 with 168 teeth and 7.5 cm. diameter. This relationship also can be obtained when said pinion has eight teeth, the intermediate gear 31 has 52 teeth and the inner gear 32 has 112 teeth.
  • the amount of teeth or the arrangement of the gears can be varied as long as a suitable relationship is maintained to obtain the desired shift of the face; in the embodiments illustrated in the drawings, the same should be always one-seventh of the circumference of the movable face for every two complete turns of the axle 29.
  • the inner gear 32 projects beyond the spacer rims 23 and 25, forming a portion 35 which includes radial slots 36, wherein positionable contacts 37 are housed, which contacts are in the form of shims of equilateral trangular shape.
  • the positionable contacts 37 include a slot 38 extending from the center thereof perpendicularly to the central portion of one of their sides, and a central orifice 39, with a greater diameter than the width of the slot 38.
  • a metal ring 40 is pressure-inserted in the orifices 39 via slots 38 and each contact is individually rotatable on the ring 40.
  • the ring is pressed into face 19 via slots 41, perpendicularly located and in the middle portion of radial slots 36.
  • the slots 41 have a width slightly lesser at the bottom 42 thereof in order to house said ring 40.
  • an embossing 43 is provided on the contacts.
  • the upper portion of said case 16 includes a fixed electric contact 44 protruding a suitable distance, which contact forms a permanent part of an electric circuit as schematically illustrated in FIG. 30f the drawings, which includes also switch 45, a bell 46 and a battery 47, connected at the terminal 48 to said ring 40 fastening said movable contacts; thereby, any time a vertex of a positionable contact 37 is located in its lower end position and makes contact with the upper edge of contact 44, the circuit energizing said bell 46 is closed to sound the same during an interval governed by the closure of switch 45.
  • a tubular rim 49 is provided which is engaged at its lower end 50 with an upper emboss or prong 51 of the case 16, said rim 49 being fastened by a c'ounternut 52 threaded in the upper part 53 of the case; said rim 49 carries two pivots or bolts, one being a marking or registering pivot 54, and the other a cancelling or returning pivot 55, as illustrated in FIGS. 4 and 5; these cancelling and marking pivots include a helical spring 56 urging them to their maximum outwardly position as determined by annular stops or the like 57.
  • Said pivots 54' and 55 include actuating knobs 58, by means of which the user can rotate said positionable contacts 37, either to a working position, that is, with its vertex downwardly as shown in dotted lines, or to a rest position with a vertex upwardly.
  • the turn between both posiu'ons is about 60 and by having one of the sides 59 of said movable contacts colored, it can be easily observed whether any is in a resting or working position.
  • the outer movable rim 49 includes a slot or notch 60, at the upper portion thereof, wherein a protecting glass 61 of conventional type is inserted.
  • the glass 61 may include. magnification regions coincident with said marking and cancelling pivots, in order to facilitate examination of the setting thereof.
  • the movable rim 49 When a marking is desired, such as, for instance, Friday 8 p.m., the movable rim 49 is rotated until marking stem 54 coincides with the th slot of the face s sector corresponding to Friday, and the head 58 of stem 54 is depressed in order to turn the corresponding positionable contact 60 9 into a working position, that is, with a vertex in a lower end position thereof, so as to contact fixed contact 44 when it passes thereby.
  • a marking such as, for instance, Friday 8 p.m.
  • an automatic cancelling cam 62 shown in dashed lines in FIG. 1 and located after fixed contact 44, in the direction of rotation of inner gear 32, in order to return the positionable contacts 37 into the rest position thereof, that is, with a vertex upwardly, after the contacts 37 have fulfilled their purpose.
  • a one-piece face 63 is included with an annular band 64, the periphery of which is broadened downwardly, thus forming a more resistant portion; in the center of the broadened portion 64 there are plurality of slots, each of which houses one of the positionable contacts fastened by ring 67, which is pressure-inserted.
  • Face 63 is fixed at the upper portion 68 of case 69, wherein a conventional clock mechanism is located, by means of screws and spacers 70.
  • a pinion 72 driving an intermediate or idle gear 73 rotating on an axle 74 and in turn driving an inner gear 75, that comprises an annular framework 76 supporting an isolating bakelite annular piece 77. Under the piece 77 there is centrally mounted a rail or annular copper plate 78.
  • the supporting framework 76 includes channels 79 supported on ball-bearings 80 in order to avoid any undesirable friction.
  • the annular plate 78 is continuously energized through a brush 81 connected to the upper portion 68 of case 69, which brush is the end of an electric circuit including a switch 82, a battery 83 and a bell 84, the end 85 of contacts.
  • annular structure 76 rotating synchronously with inner gear 75, there is a rotating contact 86, which extends through bakelite plate 77 and is in direct contact with copper rail 78, continuously connected to the electric circuit.
  • the height of contact 86 is gauged so as to touch the point or vertex of a positionable contact when this latter is in its lower end position, such as illustrated in dotted lines in FIG. 6.
  • a registering bolt 87 and a cancelling bolt 88 with respective helical springs 89 and operational heads 90 thereof housed in a movable rim 91.
  • the rim 91 has a slot 92 wherein there is mounted a glass crystal which can have conventional amplification embosses.
  • the rim slides in a slot 94 of case 69, and protrusion 95 extends into a recess in rim 91.
  • the lower end 96 of rim 91 is supported on a recessed step 97 of case 69.
  • both embodiments are similar and the only difference therebetween is that in the former the positionable contacts, registering the hour, are movable and in the latter they are fixed and, the single contact permanently connected to said electric circuit is fixed in the first embodiment and is movable in the second embodiment.
  • each positionable contact can be very thin, thus introducing possible faults during operation; in order to prevent this, two positionable contact rows can be employed mounted on two different concentric rings, whereby the thickness thereof can be increased while producing, of course, the same effects as described in the above embodiments.
  • a train of gears driven by said clock mechanism in proportion to the drive of the shaft of the hour hand a member having a contact element thereon, means having a face with a peripheral portion provided with slots therein, individual contact members pivotably mounted in each slot and having operative and inoperative positions and normally occupying the inoperative position, a rotatable setting ring on the case, a displaceable setting member mounted on the ring, a displaceable cancelling member mounted on the ring, said displaceable setting member being positioned in said ring to face a respective contact member when the setting ring is rotated to bring the setting member into registry with such contact member, said setting member then being displaceable to move the selected contact member to operative position, said cancelling member also being positioned'in said ring to be brought into facing relation with a selected contact member by rotation of the ring, said cancelling member being displaceable to return
  • said face means includes an inner gear in driving relation with said train, said peripheral portion with the slots being formed on said inner gear.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
US67848A 1970-04-02 1970-08-28 Reminder clock Expired - Lifetime US3678678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MX11835670 1970-04-02

Publications (1)

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US3678678A true US3678678A (en) 1972-07-25

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ID=19745303

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Application Number Title Priority Date Filing Date
US67848A Expired - Lifetime US3678678A (en) 1970-04-02 1970-08-28 Reminder clock

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US (1) US3678678A (de)
JP (1) JPS5117307B1 (de)
CH (2) CH536511A (de)
DE (1) DE2111209C3 (de)
FR (1) FR2085779B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845614A (en) * 1973-08-20 1974-11-05 L Christ Desk clock with visual alarm indicator
US3971012A (en) * 1973-06-18 1976-07-20 Citizen Watch Co., Ltd. Display device employing special-purpose monograms
US4338681A (en) * 1979-02-08 1982-07-06 Gebruder Junghans Gmbh Electric timing clock

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2853911A1 (de) * 1978-12-14 1980-06-19 Diehl Gmbh & Co Vorrichtung zur manuellen verstellung einer uhr
JPH0253402U (de) * 1988-10-13 1990-04-18

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1484675A (en) * 1921-02-24 1924-02-26 Schurr Henry Annunciator
US1887303A (en) * 1931-02-21 1932-11-08 Grossman Edward Reminder clock
US1966959A (en) * 1933-01-26 1934-07-17 Triplex Products Corp Time switch mechanism with seven day dial
US2169924A (en) * 1935-07-22 1939-08-15 Ohreneder Karl Time switch
CH263865A (de) * 1948-02-27 1949-09-15 Hasler Ag Tastenschalter.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1173972B (de) * 1961-02-09 1964-07-16 Magdeburg Werkzeugmasch Programmsteuereinrichtung, insbesondere fuer Werkzeugmaschinen
US3212354A (en) * 1961-12-11 1965-10-19 Binks Mfg Co Mechanical memory device
US3147637A (en) * 1963-03-05 1964-09-08 Universal Instruments Corp Data storage device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1484675A (en) * 1921-02-24 1924-02-26 Schurr Henry Annunciator
US1887303A (en) * 1931-02-21 1932-11-08 Grossman Edward Reminder clock
US1966959A (en) * 1933-01-26 1934-07-17 Triplex Products Corp Time switch mechanism with seven day dial
US2169924A (en) * 1935-07-22 1939-08-15 Ohreneder Karl Time switch
CH263865A (de) * 1948-02-27 1949-09-15 Hasler Ag Tastenschalter.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3971012A (en) * 1973-06-18 1976-07-20 Citizen Watch Co., Ltd. Display device employing special-purpose monograms
US3845614A (en) * 1973-08-20 1974-11-05 L Christ Desk clock with visual alarm indicator
US4338681A (en) * 1979-02-08 1982-07-06 Gebruder Junghans Gmbh Electric timing clock

Also Published As

Publication number Publication date
DE2111209A1 (de) 1971-10-21
DE2111209B2 (de) 1975-01-16
FR2085779A1 (de) 1971-12-31
CH104371A4 (de) 1972-12-15
DE2111209C3 (de) 1975-09-04
FR2085779B1 (de) 1974-04-26
JPS5117307B1 (de) 1976-06-01
CH536511A (de) 1972-12-15

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