Electrically insulating ball bearing swivel

Details Electrically insulating ball bearing swivel Electrically insulating ball bearing swivel

1979-03-22

1981-12-29

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

With terminal elements

59 95, 403 78, 403165, F16G 1508, H01B 1700

Patent

active

043084192

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.

REFERENCES:
patent: 468053 (1892-02-01), Englund
patent: 497251 (1893-05-01), Peeples
patent: 2384490 (1945-09-01), Plum et al.
patent: 2740000 (1956-03-01), Wierk
patent: 2897257 (1959-07-01), Ingram et al.
patent: 3764169 (1973-10-01), St. Clair

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