Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1991-09-30
1993-04-06
Olszewski, Robert P.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 83, 187 86, 188171, 335177, B66B 516
Patent
active
051995328
ABSTRACT:
An elevator brake is provided with a redundant means to release the brake to allow an elevator cab to move when a primary releasing means, such as a coil, does not release when desired. When the coil is deenergized or defective, an auxiliary coil is used to release the brake and enable the cab to move.
REFERENCES:
patent: 1971114 (1934-08-01), McCormick
patent: 3896925 (1975-07-01), Mitsui et al.
patent: 5014828 (1991-05-01), Baldassarre
Kenmochi Hisaki
Suganuma Manabu
Uematsu Toshihiko
Doigan Lloyd D.
Olszewski Robert P.
Otis Elevator Company
Reichard Dean A.
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