Manual chain block
US5544863A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1994 |
| Grant date | Aug 13, 1996 |
| Priority date | — |
| Expiry date | Jun 27, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D3/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
In a manual chain block having a load sheave and an actuating mechanism with a cover 15 thereover there is provided a cover holding member 50 having side surfaces 51, 52 which define lower opening edges of introducing openings 15b, 15c for a hand chain 40 and a cover receiving portion 55 which is located between the introducing openings 15b, 15c to receive the wheel cover 15. The cover holding member 50 is tightened by stay bolts 12 onto a side plate 1 of the hoist together with the wheel cover 15.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.