Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent
1996-06-19
1998-10-20
Nappi, Robert
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes control for power source of drive-means
187401, 187249, 187414, B66B 100, B66B 1102, B66B 900
Patent
active
058232990
ABSTRACT:
A plurality of express shuttle elevators S1-S4 exchange elevator cabs at a transfer floor 26 with local elevators L1-L10 by means of a carriage 107, the casters of which 93 are guided by tracks 70-83. The transfer floor has linear induction motor (LIM) primary segments 60-67 disposed on the transfer floor; the carriage has a LIM secondary 128 thereon for propulsion. The carriages can be locked 91, 92 to the transfer floor for loading, and cabs can be locked 131 onto the carriages for stability when being moved. A controller (FIGS. 10-13) keeps track of the progress of the cabs from one elevator to another.
REFERENCES:
patent: 1939729 (1933-12-01), Stark
patent: 3750849 (1973-08-01), Berkovitz
patent: 5090515 (1992-02-01), Tskshashi et al.
patent: 5601156 (1997-02-01), McCarthy et al.
Barker Frederick H.
Bennett Paul
Bittar Joseph
Cooney Anthony
McCarthy Richard C.
Nappi Robert
Otis Elevator Company
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