AT97362B - Back gear with tensioning device for belt drives u. like - Google Patents

Back gear with tensioning device for belt drives u. like

Info

Publication number
AT97362B
AT97362B AT97362DA AT97362B AT 97362 B AT97362 B AT 97362B AT 97362D A AT97362D A AT 97362DA AT 97362 B AT97362 B AT 97362B
Authority
AT
Austria
Prior art keywords
tensioning device
belt drives
back gear
gear
diameter
Prior art date
Application number
Other languages
German (de)
Inventor
Fritz Ing Hoffmann
Original Assignee
Fritz Ing Hoffmann
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fritz Ing Hoffmann filed Critical Fritz Ing Hoffmann
Application granted granted Critical
Publication of AT97362B publication Critical patent/AT97362B/en

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Description

  

   <Desc/Clms Page number 1> 
 



  Vorgelege mit Spannvorrichtung für Riementriebe u. dgl. 
 EMI1.1 
 
 EMI1.2 
 
 EMI1.3 
 

 <Desc/Clms Page number 2> 

 Anordnung-der Fig. 3 der Riemscheibendurchmesser ungefähr dreimal so gross sein muss wie der des Zahnrades. 



   Greifen am schwenkbaren Teil ausser dem Riemenzug noch andere schwenkende Kräfte z. B. 



  Federn an, so ist bei der Ermittlung des   Durchmesserverhältnisses   im Sinne der oben stehenden Ausführungen nur der wirksame Teil der in die Schwenkrichtung fallenden Komponente des Riemenzuges zu berücksichtigen. 



   PATENT-ANSPRÜCHE :
1. Vorgelege mit Spannvorrichtung für Riementriebe   11.   dgl., bei dem die Riemscheibe samt den mit ihr gleichachsigen Zahnrade in einem um die Achse des Gegenrades frei schwingbaren Lenker gelagert ist, dadurch gekennzeichnet, dass der Durchmesser der Riemscheibe (d) grösser ist als der einfache Durchmesser, aber kleiner als der sechsfache Durchmesser des mit ihr gleichachsigen Zahnrades (c).



   <Desc / Clms Page number 1>
 



  Back gear with tensioning device for belt drives u. like
 EMI1.1
 
 EMI1.2
 
 EMI1.3
 

 <Desc / Clms Page number 2>

 Arrangement - of Fig. 3, the pulley diameter must be approximately three times as large as that of the gear.



   Gripping the pivotable part in addition to the belt pull other pivoting forces z. B.



  When the diameter ratio is determined in the sense of the above explanations, only the effective part of the component of the belt pull falling in the pivoting direction is to be taken into account.



   PATENT CLAIMS:
1. Back gear with tensioning device for belt drives 11. The like, in which the pulley, together with the gear wheel coaxial with it, is mounted in a handlebar that can freely swing around the axis of the mating gear, characterized in that the diameter of the pulley (d) is greater than that single diameter, but smaller than six times the diameter of the gear wheel coaxial with it (c).

Claims (1)

2. Ausführungsform nach Anspruch l, dadurch gekennzeichnet, dass die Durchmesser von Riem- EMI2.1 EMI2.2 2. Embodiment according to claim l, characterized in that the diameter of belt EMI2.1 EMI2.2
AT97362D 1923-04-19 1923-04-19 Back gear with tensioning device for belt drives u. like AT97362B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT97362T 1923-04-19

Publications (1)

Publication Number Publication Date
AT97362B true AT97362B (en) 1924-06-25

Family

ID=3616805

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97362D AT97362B (en) 1923-04-19 1923-04-19 Back gear with tensioning device for belt drives u. like

Country Status (1)

Country Link
AT (1) AT97362B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934884A1 (en) * 1989-10-19 1991-04-25 Bayerische Motoren Werke Ag Auxiliary drive mechanism for IC engine - incorporates tension wheel pressing against belt and driving shaft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3934884A1 (en) * 1989-10-19 1991-04-25 Bayerische Motoren Werke Ag Auxiliary drive mechanism for IC engine - incorporates tension wheel pressing against belt and driving shaft

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