Air pump having an adjustable interval between an electromagnetic device and an air chamber
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
N/A
Issued Date -
Dec 4, 2008
app pub date -
May 30, 2007
filing date -
May 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An air pump having an adjustable interval between an electromagnetic device and an air chamber includes at least a upper cap, a base, an electromagnetic device, an air chamber and a regulator. The regulator has a rotary knob to drive a bolt and move a coupling member up and down. The coupling member has struts at two sides to force a guiding slot of a coupling seat to move thereby to drive the electromagnetic device to move forwards and rearwards for adjustment. As a result the moving frequency of the crank in the air chamber can be altered to adjust the air supply amount being delivered.
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