Patent attributes
A support frame for clamping a rod includes two gripping assemblies. The gripping assembly includes a seat, two gripping blocks, two connecting members, a first adjusting screw and a second adjusting screw. The seat has a first through hole. The gripping block is slidably connected to the seat and has a hole body, a gripping notch and a long trough corresponding to the first through hole. The connecting member is disposed on the gripping block and has a first threaded hole corresponding to the first through hole. The first adjusting screw passes through the first through hole and the long trough to screw to the first threaded hole. A gripping recess is formed between the gripping notches of the gripping blocks. The two gripping assemblies jointly grip the rod by the gripping recesses. The second adjusting screw passes through and screws to the hole bodes of the gripping assemblies.