Hand operate closed cushion cover plastic roller

• Main Author: CHOI SONG-IL
• Format: Patent
• Language: English
• Published: 22.06.2005
• Edition: 7
• Subjects: COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; FURNITURE; HUMAN NECESSITIES; SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TOILET ACCESSORIES

The utility model provides a hand-operated closet cushion cover plastic roller with the advantages of simple operation, stable transmission, long service life, abour-saving and overturning prevention. The improvement lies in that the rotation center position of a handle is arranged at the center of a ratchet gear which is embedded with a drive gear in a selectable way; in order to prevent overturning, a drive ratchet device which makes sanitary plastic tape wound on the roll shaft do not loose and continues to roll the sanitatary plastic tape when the handle is turned is designed on a roll shaft; the inner side of the drive gear is provided with an inner ratchet; the ratchet gear with a position pin is embedded on a stationary gear to contact with the inner ratchet, and the position pin and the inner ratchet are contacted with a rotation shaft vertically; a barrier sheet which is integrated with a driven wheel and provided with a friction sheet is inserted in the roll shaft and can rotate; correspondingly, another barrier sheet is fixed on the roll shaft; and rotary force is transmitted through the friction force between each two barrier sheets in a selectable way, the contact area between each two barrier sheets is large, and the desired friction force is obtained sufficiently.