Automatic brake sequencing for overhead support arm assemblies
US4345847A · kind A · utility
13Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1979 |
| Grant date | Aug 24, 1982 |
| Priority date | — |
| Expiry date | Dec 19, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32418
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A roller-switch and cam, located at an intermediary joint of a plural arm overhead assembly, delays the unlocking of a brake at a next adjacent joint until the joint at which the cam and switch are located has diverged a predetermined angle from alignment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.