DE86059C

DE86059C -

Info

Publication number: DE86059C
Application number: DENDAT86059D
Authority: DE

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

Der Gegenstand der Erfindung besteht in einem Tourenzähler für Fahrräder, welcher infolge seiner einfachen Construction eine grofse Sicherheit im Betriebe gewährleistet. Derselbe ist aus nur wenigen und einfach gestalteten Theilen zusammengesetzt und infolge dessen Betriebsstörungen nicht leicht unterworfen. Im wesentlichen besteht der Tourenzähler aus einem vermittelst einer Welle vom Rad aus angetriebenen Additionsrad für die Gesammtzahl der Radumdrehungen, aus einem mit diesem Rad sich drehenden, aber unabhängig von demselben verstellbaren Zifferblatt und aus einer zweiten ebenfalls unabhängigen, von vorgenannten Theilen einstellbaren, die. Meilentheilung angebenden Anzeigevorrichtung.The object of the invention consists in a tour counter for bicycles, which due to its simple construction, it guarantees a great deal of security in the factory. Is the same composed of only a few and simply designed parts and as a result of its operational malfunctions not easily subjected. Essentially, the tour counter consists of an intermediary a shaft driven by the wheel for the total number of wheel revolutions, from a dial that rotates with this wheel, but independently of the same adjustable dial, and from a second also independent, adjustable from the aforementioned parts, the. Indicating the mileage Display device.

In den Zeichnungen ist der Erfindungsgegenstand veranschaulicht, und zwar zeigt: The subject matter of the invention is illustrated in the drawings, namely:

Fig. ι die Seitenansicht eines Fahrradtheiles und des mit demselben verbundenen Tourenzählers ;Fig. Ι the side view of a bicycle part and the tour counter connected to the same ;

Fig. 2 ist die Rückansicht desselben;Fig. 2 is the rear view of the same;

Fig. 3 ist die Seitenansicht eines Theiles der Fig. 1;Figure 3 is a side view of part of Figure 1;

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the

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4 ist eine Schnittansicht nach Linie 4-4Figure 4 is a sectional view taken along line 4-4

3).3).

5 die Schnittansicht eines Theiles des5 is a sectional view of part of

Apparates nach Linie 5-5,der Fig. 4.Apparatus according to line 5-5 of FIG. 4.

In diesen Figuren bezeichnet A die Radnabe, B die Speichen, C die Gabel, D die Nufs oder Mutter am Ende der Radachse. E ist der mit einem Führungsschlitz zur Durchführung der Radachse versehene Trägerarm für den Tourenzähler, welcher nach Abnahme der Mutter D von der Radachse auf die letztere aufgesetzt und durch Wiederaufschrauben der Mutter beT festigt wird. Das freie Ende des Armes E läuft in zwei Arme E¹E^ aus, welche, wie aus Fig. 4 ersichtlich, in zwei Aussparungen eines geeigneten Trägers F eingreifen. Die Befestigung der Arme in diesen Aussparungen//¹ erfolgt vermittelst einer durch beide Arme sich erstreckenden Schraube E³. Auf diese Weise ist eine Einrichtung getroffen, vermittelst deren der Tourenzähler im Verhältnifs zu den Radspeichen verstellt werden kann. H ist ein geeignetes, im Träger F vorgesehenes Lager, durch welches sich eine Gewindewelle J erstreckt (Fig. 3), die an ihrem Ende ein Sternrad J¹ trägt. Zur Vermehrung der Reibung und zur Verhinderung der Weiterbewegung des Rades über die gewünschte Entfernung hinaus dient eine Feder J².In these figures, A denotes the wheel hub, B the spokes, C the fork, D the nut or nut at the end of the wheel axle. E is the support arm provided with a guide slot for the passage of the wheel axle for the tour counter, which is placed on the latter after removing the nut D from the wheel axle and fastened by screwing the nut back on. The free end of the arm E runs into two arms E ¹ E ^ which, as can be seen from FIG. 4, engage in two recesses of a suitable carrier F. The arms are fastened in these recesses // ¹ by means of a screw E ³ extending through both arms. In this way a device is made by means of which the tour counter can be adjusted in relation to the wheel spokes. H is a suitable bearing provided in the carrier F through which a threaded shaft J extends (FIG. 3), which carries a star wheel J ^{1 at its end.} ^{A spring J 2} is used to increase the friction and to prevent the wheel from moving further beyond the desired distance.

An einem der Radreifen wird ein Arm K (Fig. 1) vermittelst der Platte k und Schrauben k^y derart befestigt, dafs die Speiche zwischen letzteren beiden eingeklemmt ist und die Verlängerung K¹ (Fig. 2) des Armes ein Lager gegen die benachbarten Speichen bildet, um die Drehung des Armes um die Speichen zu verhindern. Am Arm ist ein Daumen K² vorgesehen, welcher bei der Umdrehung des Rades in das Sternrad J¹ eingreift und dasselbe um einen Zahn fortbewegt, so dafs also bei jeder Umdrehung des Fahrrades das Sternrad um einen Zahn gedreht wird. An arm K (Fig. 1) is attached to one of the wheel tires by means of the plate k and screws k ^{y in} such a way that the spoke is clamped between the latter two and the extension K ¹ (Fig. 2) of the arm is a bearing against the adjacent spokes forms to prevent rotation of the arm around the spokes. A thumb K ^{2 is} provided on the arm, which engages with the star wheel J ¹ when the wheel rotates and moves it forward by one tooth, so that the star wheel is rotated by one tooth with each revolution of the bicycle.

In das Gewinde der Welle J greift ein Zahnrad M ein, welches mit dem Zifferblatt M¹ (Fig. 3) gemeinschaftlich auf einer Gewindewelle N (Fig. 4) angeordnet ist, und zwar istIn the thread of the shaft J a gear M engages, which is arranged with the dial M ¹ (Fig. 3) in common on a threaded shaft N (Fig. 4)

Claims

the gear is firmly connected to the shaft, while the dial M ¹ is kept adjustable on the shaft by the resilient washer m and the screw m ^1.

With the thread JV there are also two gears PP ¹ in engagement, which are arranged on the shaft Q., and of which the gear P (Fig. 5) sits firmly on the shaft, while the gear P ¹ is able to rotate on the same . A dial R also engages with the shaft Q. by means of a friction disk q and a screw q ^l . The gear P is provided with 100 teeth, the gear P ^1, however, has one fewer, i.e. only 99 teeth. On the capsule jF ¹ of the support piece F (Fig .. 3) is a pointer f ^{'2 is} attached, while the circumference of the dial R is provided r with part of strokes, namely the division is set as in the present case, that each mark one mile represented. Incidentally, this arrangement of the differential gear train has already become known from patent specification No. 79485 for odometers and therefore patent protection does not extend to this device.

From the foregoing it can be seen that both the dial M ¹ and the dial R sit loosely on their respective shafts, but are held on them by friction plates, so that they can be rotated independently of their shafts and adjusted to any particular point. It should also be noted that, as a result of the precaution that the dial P ^{1 has} one tooth less than P, a difference of one tooth occurs with each revolution of the dials and that, since the dial surface P ^{1 is} also divided in such a way that it is divided each arrow line corresponds to 100 miles, the total number of miles traveled by the machine is displayed.

The mode of operation of the apparatus is now as follows:

The arm IC of the wheel comes into contact with a tooth of the star wheel J ¹ with each revolution of the same and rotates the same by a corresponding distance. This further sets the thread / in rotation, which in turn rotates the gear M and dial Ai ^{1 again.} The latter is in the present case divided into parts of a mile, so that one revolution of this dial M ¹ indicates the distance traveled. ^{A pointer F 3} arranged on the sleeve serves as an indicator. By rotating the shaft N carrying the gear M , the gears PP ^{1 are set} in rotation and by rotating the shaft Q, which carries these wheels, the dial R. Consequently, the gears PP ¹ are rotated with each rotation of the gear M and the dial M ¹ rotated by one tooth or division, and the dial R shows the number of revolutions of the mileage dial Ai ¹ . As a result of the difference in the number of teeth on the gear wheels PP ¹ , each full revolution of the gear wheel P- is indicated by the opening ρ on the gear wheel P ¹ . If the cyclist wants to set the mileage dial M ¹ or the hundred mile dial R to zero at any time, all he has to do is set the same to the appropriate points, while the total number of miles covered by the machine is displayed on the dial P ¹ .

Patεντ-Aνspruch:

A tour counter for bicycles, characterized by the arrangement of a rotating disk scale for single journeys and one rotating, perpendicular to it and protruding beyond it Gylinderscale for day trips, the axis of which is moved by a worm drive from the disk axis is, whereby an independently adjustable arrangement of these scales without interference the drive mechanism is made possible.

1 sheet of drawings.