Patent ID: 6505816
Filing Date: 2003-01-14
Classification: B66F,Y10S

Abstract:
A jack with a rotary handle sleeve, which comprises a base having an oil chamber, a rotary supporting seat being installed at an upper end of the oil chamber of the base, a pump being arranged on and engaging the rotary supporting seat, the pump including a piston, an upper washer receiving the piston, a lower washer being locked between the rotary supporting seat and the pump, a compressible spring being arranged between the upper washer and the lower washer, a handle sleeve being pivotally and movably installed on the rotary supporting seat, the handle sleeve generating a pressing action upon the rotary supporting seat, an upper end of the handle sleeve having an inserting hole, a tube being received in the inserting hole of the upper end of the handle sleeve, and one side of the handle sleeve including a movable roller;wherein the handle sleeve of the jack is locked to the rotary supporting seat, so that the rotary supporting seat is firmly secured to the base of the jack and the handle sleeve can rotate rightwards and leftwards.