AT230481B - Electric hand tool with a single-phase motor with capacitor - Google Patents

Electric hand tool with a single-phase motor with capacitor

Info

Publication number
AT230481B
AT230481B AT239062A AT239062A AT230481B AT 230481 B AT230481 B AT 230481B AT 239062 A AT239062 A AT 239062A AT 239062 A AT239062 A AT 239062A AT 230481 B AT230481 B AT 230481B
Authority
AT
Austria
Prior art keywords
hand tool
capacitor
phase motor
electric hand
tool according
Prior art date
Application number
AT239062A
Other languages
German (de)
Inventor
Wilhelm Bender
Original Assignee
Wilhelm Bender
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 Wilhelm Bender filed Critical Wilhelm Bender
Application granted granted Critical
Publication of AT230481B publication Critical patent/AT230481B/en

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  • Portable Power Tools In General (AREA)

Description

  

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  Elektrische Handwerkzeugmaschine mit einem Einphasen-Motor mit Kondensator 
 EMI1.1 
 

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 parallel zur. Motorachse bewegt. Die Flachstange 15 ist bei 17 parallel zur Stirnfläche 18 des Lüfters 19 gebogen und mit dem Bremsbelag 20 versehen. Die Zugfeder 21 ist bei 22 und 23 eingehängt und zieht die Flachstange 15 immer in die Bremsstellung. Die Bremslüftung erfolgt durch den Lauf der Leitrolle
13 auf dem Umfang der Hülse 11 bei Betätigung des Drehgriffes 3. 



   Wie ersichtlich, ist für die Erfindung wesentlich, dass der Drehgriff 3 aine dreifache Funktion besitzt : Er dient zunächst zum Festhalten der Maschine ; ausserdem wird durch seine Betätigung die Ein- und Ausschaltung des Motors bewirkt. Von besonderer Bedeutung ist nun, dass in den Hohlraum des Drehgriffes 3 der zylindrische Kondensator 4 eingebaut ist. 



   PATENTANSPRÜCHE : 
1. Elektrische Handwerkzeugmaschine mit einem Einphasen-Motor mit Kondensator zum Anlauf in beiden Richtungen, dadurch gekennzeichnet, dass der Kondensator, mit dem eigentlichen Maschinengehäuse fest verbunden, in dem hohlen Drehgriff, der gleichzeitig zur Betätigung des Ein-, Aus- und Umschalters dient, so eingebaut ist, dass der Handgriff (Drehgriff) frei drehbar ist und eine auf ihm sitzende Kurvenscheibe (11) vorgesehen ist, die eine Bremsvorrichtung zur sofortigen Stillsetzung des Läufers betätigt, sobald in die andere Bewegungsrichtung umgeschaltet werden soll.



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  Electric hand tool with a single-phase motor with capacitor
 EMI1.1
 

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 parallel to. Motor axis moves. The flat rod 15 is bent at 17 parallel to the end face 18 of the fan 19 and provided with the brake lining 20. The tension spring 21 is suspended at 22 and 23 and always pulls the flat rod 15 into the braking position. The brake is released by running the guide pulley
13 on the circumference of the sleeve 11 when the rotary handle 3 is actuated.



   As can be seen, it is essential for the invention that the rotary handle 3 has a threefold function: it is used first of all to hold the machine in place; in addition, its actuation causes the motor to be switched on and off. It is of particular importance that the cylindrical capacitor 4 is built into the cavity of the rotary handle 3.



   PATENT CLAIMS:
1. Electric hand tool with a single-phase motor with capacitor for starting in both directions, characterized in that the capacitor, firmly connected to the actual machine housing, in the hollow rotary handle, which is used at the same time to operate the on, off and changeover switch, is installed in such a way that the handle (twist grip) can be rotated freely and a cam disc (11) is provided on it, which actuates a braking device to stop the rotor immediately as soon as the other direction of movement is to be switched.

 

Claims (1)

2. Handwerkzeugmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der elektrische Drehschalter (7) neben dem Drehgriff (3) angeordnet und durch ein Zahnradpaar (9, 10) angetrieben ist. 2. Hand tool according to Claim 1, characterized in that the electrical rotary switch (7) is arranged next to the rotary handle (3) and is driven by a pair of gears (9, 10). 3. Handwerkzeugmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Schaltgestänge in Form einer Flachstange (15) am einen Ende als Bremse (20), auf die Strinseite (18) des Motorlüfters (19) wirkend, und am andern Ende als Steuerelement (13, 14) im Zusammenhang mit einer Einfallkerbe (12) an der mit dem Drehgriff (3) fest verbundenen Kurvenscheibe (11) ausgebildet ist. 3. Hand tool according to claim 1 or 2, characterized in that a shift linkage in the form of a flat rod (15) at one end as a brake (20), acting on the drive side (18) of the motor fan (19), and at the other end as a control element (13, 14) is formed in connection with a notch (12) on the cam disc (11) firmly connected to the rotary handle (3). 4. Handwerkzeugmaschine nach Anspruch 3, dadurch gekennzeichnet, dass eine Schraubenfeder (31) das Bremsgestänge (15) mit seiner Laufrolle (13) zwangsläufig in die Kerbe (12) zieht (Ausschaltstellung) und in dieser Stellung die Bremswirkung ausübt. 4. Hand tool according to claim 3, characterized in that a helical spring (31) pulls the brake linkage (15) with its roller (13) inevitably into the notch (12) (switch-off position) and exerts the braking effect in this position.
AT239062A 1961-12-02 1962-03-23 Electric hand tool with a single-phase motor with capacitor AT230481B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE230481X 1961-12-02

Publications (1)

Publication Number Publication Date
AT230481B true AT230481B (en) 1963-12-10

Family

ID=5870560

Family Applications (1)

Application Number Title Priority Date Filing Date
AT239062A AT230481B (en) 1961-12-02 1962-03-23 Electric hand tool with a single-phase motor with capacitor

Country Status (1)

Country Link
AT (1) AT230481B (en)

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