Fuse block with integral door sensing rotary disconnect

Details Fuse block with integral door sensing rotary disconnect Fuse block with integral door sensing rotary disconnect

2005-04-19

2005-04-19

Abrams, Neil (Department: 2839)

Electricity: circuit makers and breakers

Interlocking

Between switches and housing

Reexamination Certificate

active

06881909

ABSTRACT:
A fuse block having a rotary operator communicating with a door-mounted knob provides a handle on the rotary operator for engaging the door handle to detect closure of the door. The handle includes first and second coupling mechanisms that control the connection between the handle and the operator depending on whether the door is open or closed. With the door closed power may be connected and disconnected. With the door open the handle may be used only to disconnect power.

REFERENCES:
patent: 1812896 (1931-07-01), Olley
patent: 3122615 (1964-02-01), Chace
patent: 3581032 (1971-05-01), Christensen
patent: 5493084 (1996-02-01), Whitaker
patent: 5609244 (1997-03-01), Reiter
patent: 6700081 (2004-03-01), Houck, III
patent: 6710697 (2004-03-01), Houck, III
patent: 1193144 (1965-05-01), None
patent: 0564173 (1993-06-01), None

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