Abstract: An apparatus for locking a portable computer includes an apparatus body, a first clamping member rotatably coupled to the apparatus body, configured to support a first side of a computer body of the portable computer, and configured to be fitted over a first edge of a display of the portable computer, a slider coupled to the apparatus body to be reciprocally movable, a second clamping member rotatably coupled to the slider while being spaced apart from the first clamping member, configured to support a second side of the computer body of the portable computer, and configured to be fitted over a second edge of the display of the portable computer, and a locking and unlocking unit installed on the apparatus body and configured to selectively restrict or allow movement of the slider.

Abstract: A suction apparatus for a vacuum cleaner particularly designed for removing mites and dust from textile materials by suction. The apparatus comprises a cylindrical suction tube, which removably connects with a connecting tube for removable connection to an extension pipe of a vacuum cleaner. Movement guidance rollers installed bilaterally on the circumference of the suction tube provide free movement on a fibrous surface for the removal of mites and dust by suction during the use of a vacuum cleaner.