Arresting brake device for elevators
US6092630A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1998 |
| Grant date | Jul 25, 2000 |
| Priority date | — |
| Expiry date | Sep 23, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B5/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An arresting brake device with triggering equipment for elevators provides different braking effect in upward and downward directions of travel. The device includes a tiltable rocker, as a barrier element, provided with an articulated two-point bearing in yielding joint pans. The rocker is operatively connected with a movable brake shoe and is, on actuation by triggering equipment, tilted by entraining members up to an abutment beyond or ahead of its dead center according to the direction of travel of an elevator car in upward or downward directions. By the tilting movement, one or the other yielding joint pan is pushed against a biased adjustable compression spring and the movable brake shoe and a fixed brake shoe are accordingly urged against a guide rail. The compression springs, which are arranged in a spring block, can each be biased separately in a variable manner by a respective setting screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.