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Cleaning apparatus

  • US 8,650,703 B2
  • Filed: 04/18/2013
  • Issued: 02/18/2014
  • Est. Priority Date: 06/19/2009
  • Status: Active Grant
First Claim
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1. A cleaning apparatus comprising:

  • a main body;

    a dust collection unit detachably installed on the main body and provided with at least one inlet, through which foreign substances is introduced into the dust collection unit, and a connection hole to which an external instrument is connected;

    a cap to open and close the connection hole, the cap being provided with one end hinged to the dust collection unit;

    a shutter to open and close the at least one inlet; and

    guides to open the shutter to open the inlet when the dust collection unit is attached to the main body and to close the shutter to close the inlet when the dust collection unit is detached from the main body, the guides closing the shutter to close the inlet when the cap is opened.

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