SPIRAL SUPPORTING CLAMP Russian patent published in 2011 - IPC H02G7/05 

FIELD: electricity.

SUBSTANCE: clamp includes boat 1 for wire (cable) 2, U-shaped tightening bolts 3, ram 5 and clip 6 for attachment of clamp to the line support. Clamp has spiral protector 7 up to 50 lengths long of boat. Boat 1 is made in the form of semi-circular chute with variable cross section with known bending radius. Ram 5 of clamp is T-shaped, installed on spiral protector 7 and has two cavities 8, 9 for bolts 3. In the middle part on side surfaces of boat 1 at equal distance from its edges 10, 11 there made are lugs 12, 13 with holes 14, 15 for attachment of clamp 6 of suspension from above and from below of boat 1 by means of nuts 16, 17. On side surfaces of boat there made are lugs 18 with holes 4 for attachment of U-shaped tightening bolts 3 pressing ram 5 to wire (cable) 2.

EFFECT: clamp allows preventing the wire damage at the boat outlet, which is determined with external actions, guarantees increase of service life and strength of termination of wire to specified values, reliable in operation and used in commercial production.

11 cl, 3 dwg