Feb 25, 2017
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Alexander Miles: Modern Day Elevator
Alexander Miles: Modern Day Elevator
The objects of the invention are, first, to provide mechanism operating automatically to close the shaft openings above and below the elevator-cage, and so preclude the possibility of danger by reason of such openings being left unclosed through negligence; and, second, devices operating automatically by the movement of the cage to open and close the cage-doors when set by an operator to be in…
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Alexander Miles: Modern Day Elevator
Alexander Miles: Modern Day Elevator
The objects of the invention are, first, to provide mechanism operating automatically to close the shaft openings above and below the elevator-cage, and so preclude the possibility of danger by reason of such openings being left unclosed through negligence; and, second, devices operating automatically by the movement of the cage to open and close the cage-doors when set by an operator to be in…
View On WordPress
Modern Elevator | Diriel