Floor treating device with articulated handle

Claim 1

IN A FLOOR POLISHER, A BASE PORTION INCLUDING AN ELECTRIC MOTOR OPERATIVELY CONNECTED TO SURFACE TREATING MEANS, A PIVOTALLY JOINTED HANDLE INCLUDING A LOWER SECTION AND AN UPPER SECTION, SAID LOWER SECTION COMPRISING SUBSTANTIALLY PARALLEL LEGS JOINED AT THEIR UPPER ENDS BY A TRANSVERSE CARRYING HAND GRIP PORTION, MEANS FOR PIVOTALLY SECURING THE LOWER END OF EACH LEG TO SAID BASE ABOUT A PIVOTAL AXIS DISPOSED NEAR THE CENTER OF SAID BASE, SAID UPPER SECTION COMPRISING SUBSTANTIALLY PARALLEL ARMS JOINED AT THEIR UPPER ENDS BY A TRANSVERSE MANIPULATING HAND GRIP PORTION, MEANS FOR PIVOTALLY SECURING THE LOWER ENDS OF SAID ARMS TO THE UPPER ENDS OF THE RESPECTIVE LEGS SO THAT SAID SECTIONS MAY BE FOLDED WITH RESPECT TO EACH OTHER WITH SAID MANIPULATING HAND GRIP PORTION ADJACENT TO SAID BASE, MEANS FOR RELEASABLY LOCKING THE TWO SECTIONS IN SUBSTANTIALLY RIGID STRAIGHT LINE POSITION, AND MEANS FOR RELEASABLY LOCKING SAID LOWER SECTION IN AN UPRIGHT WITH RESPECT TO SAID BASE PORTION.