Adjustable counterweight assembly
US5134893A · kind A · utility
17Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1991 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | May 7, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20672
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A counterweight assembly on a vertical, rotatably mounted shaft which is adjustable. First and second eccentric weight assemblies are fixed to the shaft. One of the eccentric weight assemblies includes a support fixed to the shaft to extend laterally of the shaft. The support has a ring of slots displaced laterally of the shaft. Two eccentric weights are rotatably mounted about the shaft and have pins extending to the ring of slots.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.