Elevator – industrial lift truck – or stationary lift for vehicle – With monitoring – signalling – and indicating means
Reexamination Certificate
2000-01-27
2001-05-15
Salata, Jonathan (Department: 2837)
Elevator, industrial lift truck, or stationary lift for vehicle
With monitoring, signalling, and indicating means
C187S314000
Reexamination Certificate
active
06230845
ABSTRACT:
TECHNICAL FIELD
The present invention relates to a controller for an elevator which is disposed in a hoistway so as to control the operation of the elevator.
BACKGROUND ART
In a conventional elevator system, since a traction machine, a control panel, and the like are installed in a machinery room disposed above a hoistway, it is necessary to secure a space for the machinery room at an uppermost portion of a building, so that the utilization ratio of the building declines, and the height of the building becomes high. Accordingly, an elevator has been proposed which does not require the machinery room by installing the winding machine and the control panel inside the hoistway. However, in adjustment or maintenance of the control panel, it is poor in the operating efficiency for an operator to directly enter the interior of the hoistway and engage in the operation, and it has been proposed to install the control panel in the vicinity of a landing of the elevator.
For example, Japanese Patent Application Unexamined Publication No. 282933/1996 discloses a landing of the elevator in which the control panel is disposed in a door pocket portion of the landing door, an openable door covering this door pocket is provided, and at the time of maintenance of the control panel this door is opened to perform the operation. However, the space in front of the control-panel maintenance door, which is located on a side of the landing door of the elevator is not necessarily left as a vacant space serving as the work space, and there are cases where furniture or furnishings are placed there, so that a need arises to move them each time the door is opened and closed. Incidentally, as for the maintenance door facing the landing, its design features are possibly sacrificed to realize the opening/closing structure.
In addition, Japanese Patent Application Examined Publication No. 33223/1995 discloses an arrangement in which the control panel is disposed on the rear side of a jamb, and after the jamb is removed, the maintenance operation for the control panel is performed from the landing passageway. However, the control panel is located on the rear side of the jamb, and is accommodated in a narrow space between the jamb and a landing wall. Although it may be possible to draw out the maintenance surface during maintenance, this system is applicable only to a small control panel for a small elevator, and cannot be applied if the size of the control panel becomes large.
DISCLOSURE OF THE INVENTION
The present invention has been devised to overcome the above-described problems, and its object is to obtain a controller for an elevator which makes it possible to perform a maintenance operation without moving furniture and furnishings on the side of the landing when performing the maintenance of the control panel, and which can be applied to a larger control panel without being restrained by the size of the jamb.
A controller for an elevator in accordance with the present invention is a controller for an elevator which includes a landing passageway where a car stops and passenges board or alight and a hoistway through which the car is raised or lowered, wherein a control panel for controlling the raising, lowering, and stopping of the car is disposed in the hoistway and at a position where the control panel does not interfere with the raising or lowering of the car, and a mechanism for drawing out the control panel to the landing passageway is provided.
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Ishikawa Junichiro
Okuda Seiji
Takagi Hiroyuki
Takahashi Tatsushi
Yamakawa Shigeki
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
Salata Jonathan
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