Patent ID: 9282793
Filing Date: 2016-03-15
CPC Classification: A45B

Claim Text:
1. A control mechanism of a full-automatic multi-folded umbrella, disposed between an umbrella handle and a middle rod set for controlling an umbrella opening/closing transformation ratio mechanism, the middle rod set comprising at least three sleeves, including an outer sleeve, a middle sleeve and an inner sleeve; a top end of the middle rod set being connected with an upper nest, a lower nest being fitted on the middle rod set; the control mechanism comprising a bolt, a nut and a push rod disposed on the bolt and cooperating with the bolt, the push rod being connected with the nut and a top end of the middle sleeve, a lower end of the bolt being driven by a power source in the umbrella handle to turn clockwise or counterclockwise for the nut to be moved up and down along the bolt; the power source being controlled by a button on the umbrella handle, wherein an upper end of the outer sleeve of the middle rod set is provided with an outer sleeve pulley, an outer sleeve fixing ring being fixed to a lower end of the outer sleeve to cooperate with the outer sleeve, an outer sleeve plug has a central through hole; a middle sleeve plug with a middle sleeve pulley fixed to the top end of the middle sleeve, a middle sleeve fixing ring fixed to a lower end of the middle sleeve, an outer side of the middle sleeve fixing ring provided with a middle sleeve fixing ring pulley; a lower end of the inner sleeve being fixed to the umbrella handle; and the middle sleeve plug is made of a plastic material with a hanging hole to cooperate with the push rod, the hanging hole being provided with a metallic ring therein; the middle sleeve plug further having a fixing hole to fix a pull rope and cooperate with a metallic pipe, the metallic pipe having a guide curved edge at one end surface thereof.