Snubbers or dashpots for preventing backwards swinging of jibs, e.g. in the event of cable or tackle breakage

Full Title

Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes (base supporting structures with legs B65C5/00) > Safety gear (for cranes in general B66C15/00; for rope, cable, or chain winding mechanisms B66D1/54) > Snubbers or dashpots for preventing backwards swinging of jibs, e.g. in the event of cable or tackle breakage