AT50232B

AT50232B - Drill chuck with eccentric jaws rolling on the cylindrical inside of the housing.

Info

Publication number: AT50232B
Authority: AT
Original assignee: Meyer & Klein Fa
Priority date: 1909-06-15
Filing date: 1910-05-13
Publication date: 1911-10-10

Description

  

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   Der Flansch   17   kann durch einen in die Hülse festgekeilten Ring, durch an der Hülse angebrachte Gabeln oder Doppclstifte oder mit Schlitz   versehene Warzen, Absätze   oder dgl. ersetzt werden. 



   Selbstredend können die Stifte und Schlitze auch gegenseitig gewechselt werden, so dass die Hülse die ersteren und die Backen die letzteren tragen. 



   Bei der in Fig. 3 und 4 dargestellten Form kann man Bohrer usw. wechseln, ohne die das Futter treibende Maschine stillsetzen zu müssen. 



   PATENT-ANSPRÜCHE :   .   1. Bohrfutter mit auf der zylindrischen Innenseite des Gehäuses rollenden, exzentrischen Backen, dadurch gekennzeichnet, dass sich die Rollfläche der Backen über deren ganze achsiale Höhe erstreckt, wobei die Backen. durchbohrt und auf je einen Zapfen gesteckt sind, welche Zapfen mit einem ihre gegenseitige Lage sichernden Teil verbunden sind, wodurch einfache und billige Konstruktion und gleichzeitig möglichst grosse Haltbarkeit und   Zweckmässigkeit   erreicht werden.



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   The flange 17 can be replaced by a ring wedged firmly into the sleeve, by forks or double pins attached to the sleeve, or by projections, shoulders or the like provided with slits.



   Of course, the pins and slots can also be interchanged so that the sleeve supports the former and the jaws the latter.



   In the form shown in FIGS. 3 and 4, you can change drills, etc. without having to stop the machine driving the chuck.



   PATENT CLAIMS:. 1. Drill chuck with eccentric jaws rolling on the cylindrical inside of the housing, characterized in that the rolling surface of the jaws extends over their entire axial height, the jaws. pierced and placed on a pin each, which pins are connected to a part securing their mutual position, whereby simple and cheap construction and at the same time the greatest possible durability and practicality can be achieved.

Claims

2. Drill chuck according to claim l, characterized in that the ends of the pins are fastened in rings which are in one direction by a spring acting on one of the rings EMI2.2 pins provided on the jaws slide in grooves or slots on a fixed part of the chuck, so that the jaws with their rear surface concentric to the pin must roll on the inside of the chuck and are prevented from sliding on the same.

3. Drill chuck according to claim 2, with the modification that the pins are arranged on the fixed part of the chuck and the grooves or slots are arranged on the jaws.

4. Drill chuck according to claim 2 with the modification that the pins are located on the fixed part of the chuck, but the grooves or slots are located on the side wall (12) rotatably arranged here or in a ring or flange arranged on the inside thereof.

5. Drill chuck according to claim 4, with the modification that the ring or flange by means of forks, double pins or slotted lugs, shoulders or dg1 arranged on the movable wall of the housing. is replaced. EMI2.3 Slots have moved so that the former are on the rotating wall and the latter on the jaws.