| 摘要 |
An improvement for an electrically powered appliance (1) having an "ON-OFF" switch (7) which must be manually maintained in the "ON" position. A locking mechanism (11) includes a lever (25) slidably coacting with a switch button (9). The lever moves from a first position to a second position as the button is manually moved from the "OFF" to the "ON" switch position. When the lever reaches its second position it blocks the button from returning to the "OFF" switch position when manual force is removed.
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