Safety lock for materials handling system
US4715574A · kind A · utility
14Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1985 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Nov 12, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23Q5/58
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A materials handling system in which a load is maintained in a substantially weightless condition for easy and accurate positioning. A safety lock is introduced to prevent unlocking of the system if a condition of imbalance takes place while the system is locked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.