Importance

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Abstract

A ball bearing swivel comprises a substantially bowl-shaped casing member having first connection means in its closed end, and a stud member having second connection means in that one of its ends which faces away from the casing member. The stud member is journalled in the bowl-shaped housing member by means of a ball or roller bearing. For eliminating the risk of accidents through one of the wires or the like to which the swivel is connected, if the other wire or the like which is connected to the swivel should get into contact with an electrical overhead line or another possibly high-tensioned object, the ball bearing swivel also comprises an electrically insulating insert by means of which the bowl-shaped casing member of the ball bearing swivel is electrically insulated from the stud member.

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First Claim