Electricity: conductors and insulators – Insulators – With conductor holding means
Patent
1976-04-26
1977-08-02
Askin, Laramie E.
Electricity: conductors and insulators
Insulators
With conductor holding means
248 65, H01B 1740, H01B 1716
Patent
active
040397440
ABSTRACT:
A three part bus support for supporting a cylindrical tubular bus on an insulator comprises a base and two identical end portions. Each end portion has a hook portion defining an opening and a base portion which is connectible to either of the opposite ends of the base at one of two wall portions formed along opposed ends of the base. When the end portions are connected to the base, the openings defined by the hooks are aligned for receiving a tubular bus. A projection of one end of the base portion of each end portion is tangent to an inner surface of the hook portion where the bus exerts a force caused by wind, and the base is asymmetrical about a longitudinal axis passing through the opposite ends of the base to provide improved locations of fulcrums of lever arms of the wind forces. A pair of leaf springs oriented to prevent abrasion of the bus and received in respective recesses in inner sides of enlarged ends of the hook portions serve as static eliminators to insure that the bus maintains electrical continuity with the support structure during vibration to prevent radio interference problems. The outer surfaces of the hook portions are rounded and smooth to provide improved corona characteristics.
REFERENCES:
patent: 2415649 (1947-02-01), Matthysse
patent: 2616646 (1952-11-01), Matthysse
Delta Star Electric Co. Catalog Bulletin 31-C entitled "Indoor Bus Supports and Fittings".
Advertisement entitled "Bus Supports", Electrical World, June 15, 1974, p. 85.
Askin Laramie E.
Patti Carmen B.
Rathbun Harold J.
Square D Company
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