Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1985-11-26
1987-10-13
Pellinen, A. D.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361361, 361373, 361426, 439723, 439798, 439814, H02B 104
Patent
active
047002719
ABSTRACT:
An improved terminal assembly for a panel board is disclosed which is simple in construction, easy to assemble and low in manufacturing costs. The panel board terminal assembly includes a bus bar mounted on support members formed of an electrically insulating material and a plurality of terminal frames each in the form of a substantially U-shaped cross section having a pair of opposed side walls and an intermediate wall interconnecting the side walls. The side walls have a pair of aligned openings formed therethrough into which the bus bar is inserted. A plurality of terminal screws are each threaded in the intermediate wall of each terminal frame for clamping an external conductor between the shank of each screw and the bus bar. For ensuring a more reliable connection between the electrical conductor and the bus bar, each of the side walls of each of the terminal frames is provided with a pair of inward projections just above the aperture for precluding the spreading of wires in the electrical conductor out from under the shank of the terminal screw. To prevent ground faults, an insulating plate is disposed between the supports and a base member of the panel board, and preferably the support members have lower seats projecting through apertures in the insulating plate to directly seat on the base member.
REFERENCES:
patent: 2453224 (1948-11-01), Hill et al.
patent: 2713672 (1955-07-01), Allen
patent: 2905923 (1959-09-01), Hammerly
patent: 2953771 (1960-09-01), Kussy
patent: 3171708 (1965-03-01), Salomone
patent: 3335330 (1967-08-01), Hall
patent: 3727171 (1973-04-01), Coles et al.
patent: 4307365 (1981-12-01), Martincic
Egusa Sumio
Iio Tukasa
Mitsubishi Denki & Kabushiki Kaisha
Pellinen A. D.
Thompson Gregory D.
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