Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1987-10-30
1991-01-01
Pellinen, A. D.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
200 4322, 2003021, H02B 500, H05K 500
Patent
active
049823108
ABSTRACT:
A switchgear apparatus comprising a switch mechanism, electrical controls for the switch mechanism, a weatherproof door movable between a closed position and an open position for respectively preventing and affording access to the electrical controls, a housing enclosing the switch mechanism and the electrical controls and including a second door for affording access to the weatherproof door, a third door movable between an open position and a closed position, an operating handle movable between an open position and a closed position, the operating handle being locatable in the open position only when the third door is in the open position, and a mechanism for releasably retaining the second door in the closed position, the mechanism being releasable only when the operating handle is in the open position.
REFERENCES:
patent: 745403 (1903-12-01), Teamer et al.
patent: 803335 (1905-10-01), Frisbee
patent: 1275363 (1918-08-01), Barnard
patent: 1304334 (1919-05-01), Long
patent: 1693158 (1928-11-01), Reinicke et al.
patent: 1701429 (1929-02-01), Thompson
patent: 1851230 (1932-03-01), Young
patent: 2760021 (1956-08-01), Cole et al.
patent: 2930940 (1960-03-01), Trumpler
patent: 2952799 (1960-09-01), Wortman et al.
patent: 3233932 (1966-02-01), Utterback
patent: 3340441 (1967-09-01), Probert
patent: 3796922 (1974-03-01), Mrenna et al.
patent: 3991348 (1976-11-01), Evans
patent: 4031340 (1977-06-01), Pestorel
patent: 4034169 (1977-07-01), Armstrong et al.
patent: 4073000 (1978-02-01), Kresja
Cooper Power Systems, Inc.
Osborn David A.
Pellinen A. D.
LandOfFree
Switchgear enclosure with improved electronic control access doo does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Switchgear enclosure with improved electronic control access doo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Switchgear enclosure with improved electronic control access doo will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2001032