Doffer mechanisms
US4309000A · kind A · utility
7Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Aug 23, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/31
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The doffing system employs a doffing carriage which is reciprocable along rails to receive and carry bobbin packages away from the chucks of a winder. The carriage is constructed with a parallelogram linkage so as to have an upper frame portion raised and lowered while remaining horizontal in order to carry a bobbin package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.