Signal transmitting equipment for elevator

Details Signal transmitting equipment for elevator Signal transmitting equipment for elevator

1988-03-25

1988-12-06

Shoop, Jr., William M.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

191 10, B66B 300

Patent

active

047890495

ABSTRACT:
This invention relates to an elevator signal transmitting equipment characterized in that a shielding body of a magnetic shielding material envelops a transmitting line laid along a shaft through which a cage travels and a portion of a coupling device extending toward said transmitting line, the transmission and reception of signals being realized through the magnetic coupling between said transmitting line and said coupling device to control the operation of said cage, a path through which a part of said coupling device travels being left not enveloped.

REFERENCES:
patent: 2505144 (1950-04-01), Rutherford
patent: 3203506 (1965-08-01), Cummins
patent: 3662861 (1972-05-01), White et al.
patent: 4203010 (1980-05-01), Brooks
patent: 4331959 (1982-05-01), Brauer et al.

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