BLOWER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Apr 8, 2010
app pub date -
Oct 13, 2006
filing date -
Oct 13, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A blower (1) comprises a blast fan (20) provided within a casing (10), a driving unit (30) for rotationally driving the blast fan (20), a dust-proof cover (60) provided so as to cover an air intake (11) of the casing (10) and a drive stop mechanism (70) for stopping the driving unit (30). The drive stop mechanism (70) comprises a depressing lever (72) that depresses a pressure sensor (71) when it is pressed by a projection (65b) of the dust-proof cover (60) that is inserted into an attachment hole (12) of the casing (10) and a control section (73) for stopping the driving unit (30) when the pressure acting on the pressure sensor (71) from the depressing lever (72) decreases. This structure allows safety of the blower to be improved when the dust-proof cover (60) is removed from the air intake (11) and the air intake (11) is exposed to the outside because the rotation of the blast fan (20) automatically stops.
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