Manual chain block
US5566925A · kind A · utility
9Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1994 |
| Grant date | Oct 22, 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 with a driving shaft a wheel cover 15 is provided with a radial bearing 18 for supporting the driving shaft 7 at one axial end portion. The driving shaft 7 has an actuating mechanism side shaft portion for supporting an actuating mechanism 20 extended so as to be supported by the radial bearing 18, so that shaft deflection can be decreased at the time of actuating operation of the actuating mechanism 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.