Hung Yuan Wu

US Patent:

20040079848, Apr 29, 2004

Filed:

Oct 15, 2003

Appl. No.:

10/686905

Inventors:

Hung Wu - Bradbury CA, US
De Zou - Shenzehn, CN

International Classification:

A45D042/14

US Classification:

248/205500

Abstract:

A suction device having a suction cup; a pulling bar, the pulling bar having a first end coupled to the suction cup and an opposed second end; a cover having a spiral guiding ring, the spiral guiding ring having a flange on an inner surface; a spiral guiding cap having a rib, the spiral guiding cap being rotatably coupled to the spiral guiding ring so that the flange moves along the rib when the spiral guiding cap is rotated and a locking cap coupled to the second end of the pulling bar, the locking cap having a head positionable against the spiral guiding cap; wherein the spiral guiding cap is turned less than 360 degrees to reach a fully engaged condition.