Industrial disk brake for cranes
US5988327A · kind A · utility
5Cited by
2References
9Claims
0Family size
Inventor
Key dates
| Filing date | Oct 28, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Oct 28, 2017 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D2121/22
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A disk brake for industrial use, especially overhead cranes and the like includes; electromagnetic coils that upon activation are arranged for disengaging a spring-urged armature plate from contact with a multiple friction thrust disk assembly. The friction disks being in direct drive contact with the drive shaft of the overhead crane. The thrust disk between the friction disk are engaged after deactivation of the electromagnetic coils that are electrically connected in series from a parallel DC circuit driven by a tuned AC transformer and rectifier system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.