Patent Number: 6,305,503

Title: Load detector for elevator cage

Abstract: A load detector for an elevator having a cage moving up and down in a shaft for transporting passengers and a cable hanging the cage, including a relative position detector configured to detect a relative position of the cage against the shaft; and a calculator configured to calculate a change of the relative position between the position of the cage just after landing at a floor and the position of the cage just before leaving the floor, and a load of the cage on the basis of the change of the relative position caused by an expansion and contraction of the cable.

Inventors: Suzuki; Satoshi (Kanagawa-ken, JP), Kamimura; Kosei (Tokyo, JP), Mizutani; Kenji (Tokyo, JP)

Assignee: Kabushiki Kaisha Toshiba

International Classification: B66B 1/34 (20060101); B66B 001/34 ()

Expiration Date: 10/23/2018