EP0940734B1 - Schlagwerksuhr mit Vorrichtung zum Abschalten des Schlagwerkes - Google Patents
Schlagwerksuhr mit Vorrichtung zum Abschalten des Schlagwerkes Download PDFInfo
- Publication number
- EP0940734B1 EP0940734B1 EP99102186A EP99102186A EP0940734B1 EP 0940734 B1 EP0940734 B1 EP 0940734B1 EP 99102186 A EP99102186 A EP 99102186A EP 99102186 A EP99102186 A EP 99102186A EP 0940734 B1 EP0940734 B1 EP 0940734B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- striking mechanism
- hour
- cam
- trip
- 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
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Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B21/00—Indicating the time by acoustic means
- G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
- G04B21/10—Releasing or locking the regular stroke, e.g. for silence during the night
Definitions
- the invention relates to a striking mechanism clock with a slide hammer mechanism and with a shutdown device for temporarily switching off the arithmetic mechanism, its Fall rake with an axially spring deflectable stylus a probe arm falls on an hourly scale and that by one actuated by a minute shaft trigger cam Release lever is set in motion, in which the Switch-off device driven by the clockwork, in 24 Hours once revolving locking disc that with a sector-shaped locking cam is provided and by a feeler is scanned with which the gear train of the striking mechanism alternately locking and releasing Release lever in operative connection via a locking lever stands.
- a striking clock with a device for switching off the percussion of the generic type is for example known from DE 33 23 420 C2 and US-PS 4 508 456.
- the striking mechanism can be used with the help a locking disk rotating once in 24 hours during a certain period of time by the circumferential length the locking cam of the locking disc is determined, switched off, i.e. prevented from performing gong beats become. It can happen that the function that after the respective lifting of the striking mechanism lock Gong or chimes are performed that are not correspond to the current time.
- the lever of the falling rake is therefore located when switching on the striking mechanism or when picking it up the striking mechanism lock in a position in which the The stylus of his stylus is not on the circumference of the Hourly scale, but axially deflected in relation to it radially lowest position on the hour tube the face of the hourly series.
- This lowest case position of the corresponds to the situation at the beginning of a 12-hour strike occupies. That means that when you pick it up the lock or when the hammer mechanism is switched on again this first executes twelve hourly strikes to do so the falling rake through the creator wheel into its upper one Starting position to raise. This also happens if that Unlocking the striking mechanism lock, for example such a time occurs that the striking mechanism, for example at 7:00 a.m. or 8:00 a.m. its regular Beating resumes.
- the invention has for its object in a Striking clock of the type mentioned a simple one Establishment 'through which ensured will that after the respective lifting of the striking mechanism lock no incorrect gong or bell strikes become.
- the solution according to the invention has the particular advantage that with a single component, preferably according to Claim 2 in the form of a disc on the hourly scale can be attached, it is ensured that after the Deactivating the striking mechanism lock only the striking mechanism at a time the number of hourly strikes corresponding to the current time performs.
- the pinion 1 sits with its pinion 3 on one Shaft 5, which, like the creative wheel shaft 6 of the Scoop wheel 4 in the front board 7 freely rotatable is.
- the rear plate of the clockwork is not shown.
- the pin impeller 1 is eccentric to the shaft arranged and directed against the circuit board 7 trigger pin 2 provided with a locking tongue 8 one Release lever 9 cooperates.
- the locking tongue 8 forms that is bent at right angles and through a slot opening 10 of the board 7 inwardly projecting end. of the release lever 9.
- the release lever 9 is on the front of the Board 7 on a fixed bearing pin 11 pivotable stored, and it is with an obliquely downward facing Provide feeler lever 12.
- This feeler lever 12 has a stylus 13 on one with the feeler lever 12th connected leaf spring 14 axially movably attached and is provided at the end with an inclined surface 15 (FIG. 2 and 4).
- FIGS. 2 and 4 In its normal or rest position Stylus 13 shown protrudes into the rotational movement range one stuck on the minute wave 16 immediately trigger cam arranged outside the circuit board 7 17, which can be seen from FIGS. 7 and 8, two Release fingers 18 and 19, which are diametrically i.e. offset from each other by 180 °, which but have different radial heights.
- the trigger finger 18 with the lower radial height is used for Trigger the half-hour strikes, while the radially higher Trigger finger 19 triggers the hourly strikes.
- the hour tube 25 is rotatable on the minute shaft 16 stored that with the hour wheel 26 and the hour scale 27 is provided, both rotatably with each other and are connected to the hour tube 25.
- the hour wheel 26 stands over a pinion 30 and a rotationally fixed connected to this gear 28 with the minute pinion 29 in the usual way with a reduction of 12: 1 engaged.
- the feeler lever 31 is similar to the feeler lever 12 is provided with a feeler pin 35 which a leaf spring 36 connected to the feeler lever 12 is and axially movable through a slot opening 37 of the lever 31 in the rotating plane of the hourly scale 27 protrudes.
- This stylus 35 is also at its free End provided with an inclined surface 38, which is normally when setting the hands or the movement to one certain time in the forward direction with a Sloping surface 39 of the season 27 interact and the axial deflection of the stylus 35 can cause.
- the falling rake 32 is one with its pivot axis of the bearing pin 33 provided concentric toothing 34, which has at least twelve tooth gaps.
- the lifting pin 50 He owns except for the lifting pin 50 one on the top the release lever 9 resting support pin 52, and on End of an arcuate section 51 ', in which the lifting pin 50 is arranged approximately in the middle, the drop lever 51 a locking pin 53 on during an hourly strike alternately with the creator pin 47 in the toothing 34 of the rake 32 engages.
- the lifting cam 49 of the creator disk 46 becomes the drop lever 51 lifted out of the toothing 54 with its locking pin 53, while the scraper pin 47 around the drop rake 32 a tooth pitch of the toothing 54 moves upwards.
- the striking mechanism is used to execute the Hourly rate 27 certain number of hourly strikes released until the falling rake returns to its upper starting position returns and the lift pin 50 of the drop lever 51 again in front of the stop shoulder 48 of the scraper 46 has fallen and the creator disk 46 is stopped again by the lifting pin 50.
- this hammer mechanism switch-off device 60 belongs to a locking disk 58 with a radial Direction increased locking cam'59, the circumferential length at one turn of the lock washer 58 in twenty four Hours corresponds to a period of approximately nine hours.
- This locking disk 58 is rotatable on a front Fixed bearing pin 63 of the board 7 rotatably mounted and provided with a gear 64 which has a pinion 65 of a gear 66 is engaged. The gear 66 is in turn with the pinion 30 of the pointer gear engaged.
- the locking disk 58 is a Assigned to lever 67, which is freely pivotable on a is fixed bearing journal 68 of the board 7 and with a stylus 69 loosely on the circumference of the locking disk 58 rests.
- the pivot 68 can also be freely pivoted, i.e. independently a locking lever 62 is supported by the feeler lever 67, the approximately horizontal locking arm 61 with a about the same length, obliquely downward lower Section 62 'forms an obtuse angle.
- the locking arm 61 can be a cross pin 70 of the release lever 9 lift the connected lever 12.
- a clutch lever 71 which has a clutch arm 72 and one that runs approximately at right angles to it Switch arm 73 has. At the common end of the Switch arm 73 and the clutch arm 72 is by means of a Hinge pin 74 in a corresponding hole on upper end of the lower portion 62 'of the locking lever 62 the clutch lever 71 is pivotally mounted.
- the lower portion 62 'of the lock lever 62 through a pin-slot connection 75/76 which is used for limitation the pivot angle of the clutch lever 71 relative serves to the locking lever 62, connected to the clutch lever 71.
- the pin 75 is fixed in the locking lever 62 and the arcuate slot 76 in a die two arms 72 and 73 connecting sector of the clutch lever 71 arranged.
- the clutch arm 72 is nearby its lower, opposite the pivot pin 74 End a support shoulder 77, which is on the inside an inclined leading edge 79 connects.
- the Clutch lever 71 On the Hinge pin 74 is between the locking lever 62 and the Clutch lever 71 has a leg spring 81 arranged each with a spring leg on the lower section 62 'of the locking lever 62 and supported on the coupling arm 72 in such a way that they have a torque on these two parts exercises through which the coupling arm 72 about the bearing axis of the pivot pin 74 against the bearing pin 68 is pressed or which endeavors, the acute angle between the coupling arm 72 and the section 62 ' out.
- the switching arm 73 of the Clutch lever 71 is a manually operated shift lever 83 assigned.
- This shift lever 83 is on one in the Board 7 seated shoulder screw 84 pivotally mounted and provided with a switching lug 85, which with a oblique button 86 on a pin 87 of the switching arm 73 can act.
- This switching lug 85 is on one Actuating arm 88 arranged, the board 7 laterally surmounted.
- this shift lever 83 has one Locking arm 89 on the with. a ball catch 97 is provided, through which the shift lever 83 in three different Switch positions I, II and III can be locked in place can.
- a diametrically opposite the actuating arm 88 Lever arm 96 is provided with a cross tongue 95 which engages the release lever 9 so that this by the Shift lever 83 are kept permanently in the locked position can.
- the lifting curve 90 is formed by a peripheral section a cam disc placed on the hourly scale 27 91. As can best be seen from FIG. 3, runs between the radial stage E and the lowest radial stage N extending peripheral portion 93 of the cam 91 radially within the range between E and N. Radial steps that strike the hours eight to eleven correspond.
- the length and radial height of the lifting curve 90 are determined each after the end point of the locking cam 59 on the locking disk 58. Is this end point in time the locking cam 59 only at 8 a.m., it is necessary the stylus 35 only by the lifting curve 90 to the radially lower radial step to E, which corresponds to the 8 hour strike.
- the lifting curve 90 should be designed that the stylus 35 in time from this to the radial stage before E, which is the hourly strike of 7:00 a.m.
- a half-hourly striking mechanism also a half-hour strike every half hour triggered. This is done by the shorter trigger finger 18 of the half-hour cam 17.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
- Electrophonic Musical Instruments (AREA)
- Electromechanical Clocks (AREA)
Description
- Fig. 1
- in vereinfachter Darstellung eine Frontansicht der Frontplatine mit den Steuereinrichtungen eines Halbstunden-Schlagwerkes und mit einer Schlagwerksabschaltvorrichtung in einer Funktionslage, in welcher die Schlagwerkssperre eingeschaltet ist;
- Fig. 2
- in vergrößertem Maßstab eine Draufsicht II aus Fig. 1;
- Fig. 3
- in ebenfalls vergrößerter Darstellung die wesentlichen Steuerungsteile des Schlagwerkes in Frontansicht;
- Fig. 3a
- einen Teilschnitt IIIa-IIIa aus Fig. 3;
- Fig. 4
- eine Teilansicht IV aus Fig. 3;
- Fig. 5
- die gleiche Ansicht wie Fig. 1, in der jedoch die Schlagwerksabschalteinrichtung ausgeschaltet ist;
- Fig. 6
- eine Ansicht gemäß Fig. 5, jedoch ohne Fallrechen und Fallhebel in einer Schaltlage der Steuerteile, in welcher das Schlagwerk total abgeschaltet ist;
- Fig. 7
- eine vereinfachte Ansicht gemäß Fig. 1, jedoch mit weniger Steuerteilen in einer Position, in welcher die Schlagsperre wirksam ist;
- Fig. 7a
- den Auslösenocken der Minutenwelle in Frontansicht und
- Fig. 8
- die gleiche Ansicht mit den gleichen Teilen wie Fig. 7 in einer Position am Ende der Sperrzeit des Schlagwerkes.
Claims (4)
- Schlagwerksuhr mit einem Rechenschlagwerk und mit einer Abschaltvorrichtung zum zeitweisen Abschalten des Rechenschlagwerkes, dessen Fallrechen mit einem axial federnd auslenkbaren Taststift eines Tastarms auf eine Stundenstaffel fällt und das durch einen von einem Auslösenocken der Minutenwelle betätigten Auslösehebel in Gang setzbar ist, bei dem die Abschaltvorrichtung eine vom Uhrwerk angetriebene, in 24 Stunden einmal umlaufende Sperrscheibe aufweist, die mit einem sektorförmigen Sperrnocken versehen ist und die von einem Tasthebel abgetastet wird, der mit dem das Räderwerk des Schlagwerkes abwechselnd sperrenden und freigebenden Auslösehebel über einen Sperrhebel in Wirkverbindung steht,
dadurch gekennzeichnet, daß die Stundenstaffel (27) mit einer seitlich im Tastbereich des axial ausgelenkten Taststiftes (35) angeordneten Hebekurve (90) versehen ist, die sich von der niedrigsten Radialstufe (N) der Stundenstaffel (27) bis zur Radialstufe (E) derjenigen Stundenschlagzahl erstreckt, ab welcher die Sperrscheibe (58) der Abschaltvorrichtung (60) die Funktion des Rechenschlagwerks wieder freigibt. - Schlagwerksuhr nach Anspruch 1, dadurch gekennzeichnet, daß die Hebekurve )90) von einem Umfangsabschnitt einer auf die Stundenstaffel (27) aufgesetzten Kurvenscheibe (91) gebildet ist.
- Schlagwerksuhr nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein Auslösefinger (19) des mit der Minutenwelle (16) verbundenen Auslösenockens (17) einen verlängerten Rücken (21) aufweist, der den Auslösehebel (9) in Sperrlage hält und der sich von der Spitze (19') des Auslösefingers (19) auf deren Radius und in deren Drehrichtung erstreckt.
- Schlagwerksuhr nach Anspruch 3, dadurch gekennzeichnet, daß sich der verlängerte Rücken (21) des Auslösenockens von der Spitze (19') des Auslösefingers (19) über einen Winkel (α) von wenigstens 45°und höchstens 70° erstreckt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29802837U DE29802837U1 (de) | 1998-02-19 | 1998-02-19 | Schlagwerksuhr mit Vorrichtung zum Abschalten des Schlagwerkes |
DE29802837U | 1998-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0940734A1 EP0940734A1 (de) | 1999-09-08 |
EP0940734B1 true EP0940734B1 (de) | 2002-09-04 |
Family
ID=8052876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99102186A Expired - Lifetime EP0940734B1 (de) | 1998-02-19 | 1999-02-04 | Schlagwerksuhr mit Vorrichtung zum Abschalten des Schlagwerkes |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0940734B1 (de) |
DE (2) | DE29802837U1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH714362A2 (fr) * | 2017-11-23 | 2019-05-31 | Blancpain Sa | Montre avec mécanisme de sonnerie à régulateur et sécurité de mise à l'heure. |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1531108A (en) * | 1922-10-06 | 1925-03-24 | Kienzle Uhrenfabriken Kommandi | Striking mechanism for clocks |
US2851850A (en) * | 1955-09-16 | 1958-09-16 | Arno W Fowler | Electric chime and striking clock |
GB1061498A (en) * | 1964-05-19 | 1967-03-15 | Gen Time Corp | Improvements in or relating to switch-controlling timers |
DE2362498A1 (de) * | 1973-12-15 | 1975-06-19 | Schwarzwaelder Uhrwerke Fabrik | Uhrwerk |
US4247933A (en) * | 1978-07-20 | 1981-01-27 | Rhythm Watch Company Limited | Time striking device for timepiece |
DE3323420C2 (de) * | 1983-06-29 | 1986-10-16 | Joseph Kieninger Uhrenfabrik GmbH, 7209 Aldingen | Schlagwerksuhr mit Vorrichtung zum Abschalten des Schlagwerkes |
-
1998
- 1998-02-19 DE DE29802837U patent/DE29802837U1/de not_active Expired - Lifetime
-
1999
- 1999-02-04 DE DE59902511T patent/DE59902511D1/de not_active Expired - Lifetime
- 1999-02-04 EP EP99102186A patent/EP0940734B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE29802837U1 (de) | 1998-04-16 |
EP0940734A1 (de) | 1999-09-08 |
DE59902511D1 (de) | 2002-10-10 |
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