Elevator arrangement
AssigneeKone Corporation
InventorsAri Ketonen, Seppo Ketoviita, Veli-Matti Vainio
Life of this patent
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Abstract
The invention relates to a safety device arrangement for an elevator door opening, said safety device arrangement comprising at least a toe guard (3) placed substantially at the lower edge of the elevator car and a safety circuit (21) connected to the elevator system. The safety device arrangement comprises a safety circuit switch (16) placed on the toe guard (3) and a bypass switch (17) connected to the safety circuit (21), said bypass switch being fitted to bypass the safety circuit switch (16) at least when the elevator is at or close to the lowest landing floor.
Claims5
A safety device arrangement for an elevator door opening, said safety device arrangement comprising at least a toe guard (3) placed substantially at the lower edge of the elevator car and a safety circuit (21) connected to the elevator system and a safety circuit (21) switch (16) placed on the toe guard (3) and a bypass switch (17) connected to the safety circuit (21), said bypass switch being fitted to bypass the safety circuit switch (16) at least when the elevator is at or close to the lowest landing floor, characterized in that the toe guard comprises an upper part (6) and a lower part (9) moving in a telescoping manner relative to the upper part, said lower part (9) being fitted to slide upwards inside the upper part (6) when it meets an obstacle, and that the safety circuit switch (16) comprised in the toe guard (3) is fitted to break the safety circuit (21) when the lower part (9) moves in relation to the upper part (6).
Dependencies are inferred from the claim text.