Selective circuit bypass for elevator system

Details Selective circuit bypass for elevator system Selective circuit bypass for elevator system

1996-03-29

1998-02-24

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

187247, 187413, 187277, B66B 134

Patent

active

057214034

ABSTRACT:
An electrical branch bypass arrangement includes a first branch, a second branch and means for opening the first branch and for bypassing the second branch. Preferably, the means includes a plurality of plugs mechanically bundled together so that each of the plugs is spatially fixed with respect to one another and all of the plugs are movable as a unit.

REFERENCES:
patent: 2094047 (1937-09-01), Smart
patent: 4128143 (1978-12-01), Petterson et al.
patent: 4497391 (1985-02-01), Mendelsohn et al.
patent: 4674604 (1987-06-01), Williams
patent: 4750591 (1988-06-01), Coste et al.
patent: 4755091 (1988-07-01), Potucek et al.
patent: 4964804 (1990-10-01), Carr et al.
patent: 5107964 (1992-04-01), Coste et al.
patent: 5202540 (1993-04-01), Auer et al.
patent: 5321216 (1994-06-01), Jamieson et al.
patent: 5407028 (1995-04-01), Jamieson et al.
American National Standard Saftey Code for Elevators, Dumbwaiters, Escalators and Moving Walks, ANSI A17.1-1978, Dec. 1979.

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