Shuttle elevators feeding local elevators

Details Shuttle elevators feeding local elevators Shuttle elevators feeding local elevators

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.

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