Arrangement for secure transfer of a travelling trolley between a first and a second rail in a hoisting system
US10183846B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2015 |
| Grant date | Jan 22, 2019 |
| Priority date | — |
| Expiry date | Jan 18, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C7/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An arrangement for secure transfer of a travelling trolley between a first and a second rail in a hoisting system is provided. The arrangement including: a first and a second engagement devices are arranged to engage when the rails are aligned; a third and a fourth engagement devices are arranged to engage when the rails are aligned; a pivotable stop which in a closed position is arranged to form a barrier in the path of the trolley, and which is coupled with the first engagement device such that the first stop is pivoted out of the path of the trolley when the first and the second engagement devices engage, such that the trolley can pass between the rails; a pivotable second stop which in a closed position is coupled with the third engagement device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.