Slide and lock clamps for attaching to supports are provided. In a general embodiment, the present disclosure provides a clamp including a base plate comprising a first cradle. A rod is secured to the base plate. A sliding carriage is movably connected to the rod. The sliding carriage includes a lever, a cam, and a movable lock constructed and arranged for releasably locking the sliding carriage in place on the base plate. A second cradle is movably connected to the rod and positioned next to the sliding carriage for securing a support between the second cradle and the first cradle.本發明提供用來附著於支撐件的滑動及鎖定夾鉗。在概括性實施例中，本發明提供包含底座板件的夾鉗，而底座板件包含第一托架。桿件被固定於底座板件。滑動載架被可移動地連接於桿件。滑動載架包含槓桿、凸輪、及可移動鎖定件，此可移動鎖定件被建構及配置成用來將滑動載架可釋放地鎖定於在底座板件上的定位。第二托架被可移動地連接於桿件，並且被定位成相鄰於滑動載架，以用來將支撐件固定在第二托架與第一托架之間。
