FIELD: process engineering.
SUBSTANCE: invention relates to electrically driven tool like angle grinding machine. Proposed tool comprises housing accommodating motor coupled with spindle wherein fitted are machining tools, for example, grinding wheel or drill bit. Manual on-off switch is arranged on housing to control motor operation. Spindle interlock is provided to comprise at least one pin moving between first and second positions, i.e. on- and off-positions. Said switch is connected with said interlock to prevent motor switching on with interlock engaged. Said interlock and pin in second position make protection against motor switch-on by locking motor with the help of on-off switch locking. Spindle interlock is coupled with unlocking means.
EFFECT: ruling out tool damage.
14 cl, 11 dwg
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