Hand machine tool comprising two cutting disks, which rotate...

Details Hand machine tool comprising two cutting disks, which rotate... Hand machine tool comprising two cutting disks, which rotate...

2005-09-06

2005-09-06

Choi, Stephen (Department: 3724)

Cutting

Tool or tool with support

Joint or connection

C083S666000

Reexamination Certificate

active

06938532

ABSTRACT:
In a power tool with two cutting wheels (11, 12), which rotate past each other in opposite directions, rest directly against each other, and can be driven by two drive spindles (14, 15) disposed concentrically to each other, and with a tool fitting (13) for the cutting wheels (11, 12) that has a support flange (18, 24), which is non-rotatably connected to the respective inner or outer drive spindle and provides a centered support and form-fitting rotary slaving for the cutting wheels (11, 12), and has clamping means for securing the form-fitting engagement between the cutting wheels (11, 12) and the support flanges (18, 24), in order to produce a simple design of the tool fitting (13), with a high operational reliability and a low space requirement, as well as tool-free changing of the cutting wheels, the clamping means have a screw part (27), which supports the second support flange (24) and whose end can be screwed without tools into the inner drive spindle (15), and have a clamping part, which can be actuated without tools, presses the second support flange (24) axially against the inner drive spindle (15), and clamps the second support flange (24) in relation to the screw part (27) (FIG.1).

REFERENCES:
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Patent Abstracts of Japan vol. 1998, No. 10, Aug. 31, 1998 & JP 10 118838 A, May 12, 1998.

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