A wheeled hose moving device that is movable over a support surface and that is operable to grasp, lift and move a concrete supply hose at the support surface, said wheeled hose moving device comprising: a wheeled support , said wheeled support including a frame portion and wheels rotatably mounted at said frame portion; a hose grasping device at said wheeled support , wherein said hose grasping device is vertically movable between a raised position and a lowered position via an actuator, and wherein said hose grasping device comprises a pair of grasping arms that pivot relative to one another between an opened state and a closed state; wherein said hose grasping device is configured such that, when said hose grasping device is lowered to be at the concrete supply hose , said grasping arms of said hose grasping device are movable toward the closed state to engage and grasp the concrete supply hose ; at least one hose support element that comprises a pair of support arms that pivot relative to one another between an opened state and a closed state, characterized in that said pair of support arms of said at least one hose support element are linked to said hose grasping device via a linkage assembly and are pivoted responsive to movement of said hose grasping device ; wherein, as said hose grasping device is raised or lowered, said linkage assembly imparts pivotal movement of said support arms to pivot said support arms between the opened state and the closed state; wherein, when said hose grasping device is lowered toward a lowered position at the support surface, said linkage assembly imparts pivotal movement of said pair of support arms of said at least one hose support element to pivot said support arms toward the opened state; and wherein, responsive to said hose grasping device being raised from the lowered state toward the raised state, said pair of support arms of said at least one hose support element are moved by said linkage toward the closed state. a wheeled support , said wheeled support including a frame portion and wheels rotatably mounted at said frame portion; a hose grasping device at said wheeled support , wherein said hose grasping device is vertically movable between a raised position and a lowered position via an actuator, and wherein said hose grasping device comprises a pair of grasping arms that pivot relative to one another between an opened state and a closed state; wherein said hose grasping device is configured such that, when said hose grasping device is lowered to be at the concrete supply hose , said grasping arms of said hose grasping device are movable toward the closed state to engage and grasp the concrete supply hose ; at least one hose support element that comprises a pair of support arms that pivot relative to one another between an opened state and a closed state, characterized in that said pair of support arms of said at least one hose support element are linked to said hose grasping device via a linkage assembly and are pivoted responsive to movement of said hose grasping device ; wherein, as said hose grasping device is raised or lowered, said linkage assembly imparts pivotal movement of said support arms to pivot said support arms between the opened state and the closed state; wherein, when said hose grasping device is lowered toward a lowered position at the support surface, said linkage assembly imparts pivotal movement of said pair of support arms of said at least one hose support element to pivot said support arms toward the opened state; and wherein, responsive to said hose grasping device being raised from the lowered state toward the raised state, said pair of support arms of said at least one hose support element are moved by said linkage toward the closed state. <EOS>