Protective device for speed sensing device
US-2017291797-A1 · Oct 12, 2017 · US
Elevator with acceleration detection
US9505587B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9505587-B2 |
| Application number | US-201013882369-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 1, 2010 |
| Priority date | Nov 1, 2010 |
| Publication date | Nov 29, 2016 |
| Grant date | Nov 29, 2016 |
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Abstract
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In an elevator apparatus, a car is suspended by a suspending means. The car is raised and lowered by a driving apparatus by means of the suspending means. The car is braked by a braking apparatus. An abnormal acceleration detecting mechanism operates the braking apparatus to stop the car if acceleration that exceeds a preset set value arises in the car.
First claim
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The invention claimed is: 1. An elevator apparatus comprising: a car; a suspending means that suspends the car; a driving apparatus that raises and lowers the car by means of the suspending means; a braking apparatus that brakes the car; and an abnormal acceleration detecting mechanism that operates the braking apparatus to stop the car if acceleration that exceeds a preset set value arises in the car, wherein the braking apparatus is a safety device that is installed on…
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Frequently asked questions
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- What does patent US9505587B2 cover?
- In an elevator apparatus, a car is suspended by a suspending means. The car is raised and lowered by a driving apparatus by means of the suspending means. The car is braked by a braking apparatus. An abnormal acceleration detecting mechanism operates the braking apparatus to stop the car if acceleration that exceeds a preset set value arises in the car.
- Who is the assignee on this patent?
- Okada Mineo, Okamoto Kenichi, Hayashi Yoshikatsu, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification B66B5/04. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Nov 29 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).