Elevator – industrial lift truck – or stationary lift for vehicle – With call registration means
Reexamination Certificate
2006-08-15
2006-08-15
Salata, Jonathan (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
With call registration means
C187S902000, C187S293000
Reexamination Certificate
active
07090056
ABSTRACT:
A double deck elevator including a winding machine which lifts up/down a cage frame loaded with two cages in a vertical direction, a cage driving unit which changes a relative distance between upper and lower cages, and a cage position controller which starts an inter-cage distance adjustment operation of the cage driving unit almost at the same time when the winding machine is shifted from an acceleration operation to a constant velocity operation, and changes an operating velocity of the inter-cage distance adjustment operation corresponding to a destination floor almost at the same time when the winding machine changes from the constant velocity operation to a deceleration operation after the destination floor is determined, whereby completing the inter-cage distance adjustment operation almost at the same time when the winding machine stops.
REFERENCES:
patent: 6161652 (2000-12-01), Kostka et al.
patent: 6334511 (2002-01-01), Araki
patent: 6336522 (2002-01-01), Fujita et al.
patent: 6786305 (2004-09-01), Kamimura et al.
patent: 6802396 (2004-10-01), Naitoh
Fujita Yoshiaki
Okamoto Masakatsu
Salata Jonathan
Toshiba Elevator Kabushiki Kaisha
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