Title: Electrical protection means

Abstract: An electrical protection unit having a plurality of main leads for respectively interconnecting a plurality of lines of an electrical power source to at least one electrically operated unit. At least one main lead has a device therein for opening the respective lead when the device is activated. The one main lead has one side of an electrical circuit interconnected thereto with the other side of the circuit being adapted to be interconnected to ground, the circuit having means for activating the device when the circuit is operatively interconnected to ground. Control means are provided for operatively interconnecting the circuit to ground.

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Other info:

Inventors: Plasko, Emil Robert (Washington Township, OH, US)

Application Number: 321752
Filing Date: 1973-01-08
Publication_date: 1976-02-03
Assignee: Micro Devices Corporation (Dayton, OH)
Primary Class(es): 361/104 219/511, 361/100
Other Classes:
US Patent Ref:

2850610	Sep, 1958	Kasuga	219/509.
2930959	Mar, 1960	Slocum	317/13.
3018356	Jan, 1962	Busch et al.	317/41.
3086999	Apr, 1963	Kramer	219/519.
3377462	Apr, 1968	Pferschy	219/213.
3379859	Apr, 1968	Marriott	219/543.
3493815	Feb, 1970	Hurtle	317/45.

Other Refs:
Primary Examiner: Scott, James R.
Assistant Examiner: Smith, William J.
Attorney: Candor, Candor & Tassone