US Patent 7216880 Universal handle and body-supporting chair utilizing same

A universal handle comprising a handle body having a U-shaped gripping zone (51), open at its center (52), having two arms (53) connected by a bar (54) offering, all three, a support back for the palm of the hand or the fingers of the user. The handle comprises in addition a control member:which is arranged on the inside of the opening (52) of the gripping zone (51) of the body of the handle and open at its center in such a fashion as to comprise a U-shaped gripping zone corresponding to the gripping zone (51) of the handle and having two arms connected by a bar, all three offering a support zone for the fingers of the user's hand;and that it is adapted for exercising a force on an element to be controlled when the handle (49) is grasped by the user's hand at one or another of the three gripping zones formed by the two arms (53) and the bar (54) of the body of the handle associated with the control element.