Manually driven machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 21, 2000
Grant Date -
N/A
app pub date -
Feb 1, 1999
filing date -
Nov 29, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A handheld machine tool, for example a circular saw, has a disk-shaped tool which is driven in rotation in a housing which holds a drive motor and a tool shaft carrying the tool. The tool can be clamped between a clamping nut, a clamping screw, and two supporting flanges. One supporting flange can be rotated easily relative to the tool shaft without use of auxiliary tools and is supported with an extensive friction at the tool. This supporting flange can be dependably clamped or loosened without tools. The machine tool further has an adjusting device which is coupled with that supporting flange to displace the latter axially toward the tool when that supporting shaft is rotated relative to the tool shaft due to rotational driving. The adjusting device therefore clamps the tool with an increasing force and tries to displace that supporting flange axially away from the tool automatically when the tool is stopped and accordingly reduces the clamping force.
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