Title: Automatic landing apparatus in service interruption

Abstract: An automatic landing apparatus in service interruption comprises; an electromagnetic brake which is released to release a main motor for driving a cage; an auxiliary motor which is equipped together with the main motor to drive the cage; an emergency power source which has a power for releasing the electromagnetic brake and driving the auxiliary motor; a brake releasing circuit which maintains the releasing of the electromagnetic brake by the emergency power source when the service interruption of the normal power source is caused during the driving of the cage; and a restarting circuit which drives the auxiliary motor when the cage is not stopped at the door openable zone when the case is moved under releasing the electromagnetic brake whereby the case is moved by the actuation of the restarting circuit.

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Other info:

Inventors: Kamaike, Hiroshi (Inazawa, JP)
Uchino, Hideo (Inazawa, JP)

Application Number: 925532
Filing Date: 1978-07-17
Publication_date: 1980-09-02
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo, JP)
Primary Class(es): 187/290
Other Classes:
US Patent Ref:

2701033	Feb, 1955	Chiselbrook	187/29.
3144917	Aug, 1964	Tressel	187/29.
3469657	Sep, 1969	Sgroi	187/29.
3658156	Apr, 1972	Abbott	187/29.

Other Refs:
Primary Examiner: Truhe, J. V.
Assistant Examiner: Duncanson, Jr., W. E.
Attorney: Oblon, Fisher, Spivak, McClelland & Maier