Suspended elevator cab magnetic guidance to rails

Details Suspended elevator cab magnetic guidance to rails Suspended elevator cab magnetic guidance to rails

1993-11-03

1994-11-29

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

With monitoring, signalling, and indicating means

Monitors operational parameter

187406, B66B 704

Patent

active

053681320

ABSTRACT:
A pendulum cab (13) is movably suspended from the frame (30) of an elevator car such as by rods (29) and stabilized by means of electromagnetic actuators (41-45) which interact directly with the hoistway rails (22) in response to signals from accelerometers (66-68) disposed on a platform (28) of the cab as well as proximity sensors for locking up the cab while at a landing.

REFERENCES:
patent: 2246732 (1941-06-01), Hymans
patent: 3332517 (1967-07-01), Voser
patent: 3669222 (1972-06-01), Takamura et al.
patent: 4529062 (1985-07-01), Lamprey
patent: 4754849 (1988-07-01), Ando
patent: 4899852 (1990-02-01), Salmon et al.
patent: 5086882 (1992-02-01), Sugahara et al.
patent: 5107963 (1992-04-01), Rocca et al.
patent: 5117946 (1992-06-01), Traktovenko et al.
patent: 5199529 (1993-04-01), Salmon
patent: 5289902 (1994-03-01), Fujita

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