DE4204408A1

DE4204408A1 - Hour-hand with AM-PM display for wall, table or alarm clock - has vanes with AM or PM symbols mounted on tube which rotates through 180 deg every 12 hours

Info

Publication number: DE4204408A1
Application number: DE19924204408
Authority: DE
Inventors: Gustav Flier
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-02-14
Filing date: 1992-02-14
Publication date: 1993-08-19

Abstract

The a.m/p.m indicator consists of an assembly mounted on the hour-hand (4) with arrow head (15). Two pairs of vanes (6,7;8,9) are mounted on a tube (5) free to turn on the hour-hand (4). A spring (14) applies friction to movement of the tube and holds it in position. As the hour-hand rotates past 1200, the fixed pin (11) on the clock face strikes the first vane (6) and turns the tube by 90 deg. With further movement a pin (12) strikes another vane (8) to cause a further 90 deg rotation. Thus every 12 hours the vanes (8,9) with a.m/p.m symbol are turned through 180 deg. USE - Large display clocks.

Description

Die Erfindung hat gegenüber einer normalen Zifferblattanzeige mit 12h-Anzeige den Vorteil, daß die 24h Tageszeit über den Stundenzeiger in der jeweils 12- stündigen PA-und AM-Zeit mit zur Anzeige kommt.The invention has compared to a normal dial display with 12h display the advantage that the 24-hour time of day can be hours PA and AM time is displayed.

Erfindungsgemäß wird dies dadurch erreicht, daß der Stundenzeiger (1), siehe Abb. 1 bis 3, zur Halterung (2) an die Stundendrehachse (3) eine stabförmige Ausbildung (4) aufweist, auf der drehbar die Hülse (5) aufgesteckt ist, die ihrerseits zur Halterung (2) hin jeweils zwei senkrecht aufeinanderstehenden Drehblätter (6, 7) und (8, 9) besitzt, dabei die Drehblätter (8, 9) zu den Dreh blättern (6, 7) um 90° verdreht und um die Drehblattbreite von (6, 7) axial versetzt liegen. Zwei mit dem Zifferblatt (10) bei der 12-Uhr Anzeige fest verbundenen Mitnehmerstifte (11) und (12) sind dort so angeordnet, daß bei der Drehbewegung des Stundenzeigers (1) das Senkrecht zum Zifferblatt (10) hin zeigende Drehblatt z. B. (6) mit dem Mitnehmerstift (11) zum Eingriff kommt und im weiteren Zeigerverlauf mit der Hülse (5) um 90° gedreht wird. Damit be wirkt, daß jetzt das Drehblatt (8) senkrecht zum Zifferblatt (10) hin zu Steh en kommt und sein Eingriff mit dem Mitnehmerstift (11) eine weitere Drehung der Hülse (5) um weitere 90° bewirkt, d. h., daß mit der Überstreichung des Stundenzeigers (1) bei der 12-Uhr Anzeige auf (10) die Hülse (5) eine Drehung um 180° durch die Drehblätter (6) und (8) bzw. (7) und (9) erfährt. Im weiteren 12-Stundenverlauf liegen die Drehblätter (8; 9) parallel zur Zifferblattebene und wechseln im 12h-Takt Ober- zur Unterseite usf. Ober- und Unterseite der Drehblätter (8, 9) und gegebenenfalls breiter als die Breite der Drehblätter (6, 7) eignen sich zur Kennzeichnung der PA-AM-Zeit durch das Auf bringen entsprechender Symbole. Die Druckfeder (14) zwischen der Hülse (5) und Zeigerspitzenansatz (15) wirkt als Friktion auf die Drehbewegung der Hülse (5) und verhindert eine ungewollte Drehung derselben.According to the invention, this is achieved in that the hour hand ( 1 ), see FIGS. 1 to 3, has a rod-shaped design ( 4 ) for holding ( 2 ) to the hour axis of rotation ( 3 ), on which the sleeve ( 5 ) is rotatably attached, which, in turn, has two rotating blades ( 6 , 7 ) and ( 8 , 9 ) perpendicular to each other for mounting ( 2 ), while rotating the rotating blades ( 8 , 9 ) to the rotating blades ( 6 , 7 ) by 90 ° and by Rotary blade width of ( 6, 7 ) lie axially offset. Two with the dial ( 10 ) at the 12 o'clock display firmly connected driving pins ( 11 ) and ( 12 ) are arranged there so that when the hour hand ( 1 ) rotates, the vertical to the dial ( 10 ) pointing dial z. B. ( 6 ) engages with the driver pin ( 11 ) and is rotated by 90 ° with the sleeve ( 5 ) in the further course of the pointer. So that it acts that now the dial ( 8 ) comes to stand perpendicular to the dial ( 10 ) and its engagement with the driving pin ( 11 ) causes a further rotation of the sleeve ( 5 ) by a further 90 °, ie that with the Passing over the hour hand ( 1 ) at the 12 o'clock display on ( 10 ) the sleeve ( 5 ) is rotated through 180 ° by the rotating blades ( 6 ) and ( 8 ) or ( 7 ) and ( 9 ). In the further 12-hour course, the rotating blades ( 8 ; 9 ) lie parallel to the dial level and change in 12-hour intervals top and bottom, etc. top and bottom of the rotating blades ( 8 , 9 ) and possibly wider than the width of the rotating blades ( 6 , 7 ) are suitable for identifying the PA-AM time by applying appropriate symbols. The compression spring ( 14 ) between the sleeve ( 5 ) and the pointer tip attachment ( 15 ) acts as a friction on the rotary movement of the sleeve ( 5 ) and prevents it from being rotated unintentionally.

Claims

1. Hour hand with PA-AM-12h time of day for alarm, stand or wall clocks according to the invention, characterized in that the hour hand ( 1 ) pointing towards the center of the dial has a rod-shaped design ( 4 ) on which a sleeve ( 5 ) is rotatably attached is to the rear end towards two vertically stacked rotating blades ( 6 , 7 ) and ( 8 , 9 ) be sitting, the rotating blades ( 8 , 9 ) to the rotating blades ( 6 , 7 ) by 90 ° ver and around The lathe width of ( 6, 7 ) is axially offset to the front, and with the dial ( 10 ) at the 12 o'clock display, the driver pins ( 11 ) and ( 12 ) lie there so that they rotate when the hour hand ( 1 ) over the 12 o'clock mark in engagement with the rotary scrolls z. B. ( 6 ) and ( 8 ) and after another 12h come with the rotary blades ( 7 ) and ( 9 ) and cause a respective rotation of the sleeve ( 5 ) by 180 °.

2. Hour hand with PA-AM-12h time of day for alarm, stand or wall clocks, according to claim 1, characterized in that the width of the rotating blades ( 8 , 9 ) is wider than that of the rotating blades ( 6 , 7 ) .

3. Hour hand with PA-AM-12h time of day for alarm, stand or wall clocks, according to claim 1 and 2 according to the invention, characterized in that the equilateral surface of the rotating blades ( 8,9 ) for symbol recording the PA or AM -Time serves.

4. Hour hand with PA-AM-12h time of day for alarm clock, stand or wall clocks, according to claim 1, characterized in that the sleeve ( 5 ) towards its front end parallel to the rotating blades ( 8 , 9 ) lying a leaf-shaped Has spread that is suitable for the symbol recording of the PA or the AM time.

5. hour hand with PA-AM-12h time of day for alarm, stand or wall clocks, according to claim 1 to 4 according to the invention, characterized in that a compression spring ( 14 ) between the sleeve ( 5 ) and the pointer tip attachment ( 15 ) lies as a rotational friction .