Rotary cutting assembly with filament feed
US4274201A · kind A · utility
34Cited by
1References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1979 |
| Grant date | Jun 23, 1981 |
| Priority date | — |
| Expiry date | Jan 25, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/4163
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A rotary cutting assembly with an automatic filament feed. The assembly includes a driven member which is coupled to a drive source and contains a storage spool for the cutting line. The line or filament is automatically advanced from the spool upon displacement of the same through engagement of a ground engaging hub with a surface. Such displacement causes operation of a ratchet means mounted in part on the movable spool or associated therewith and in part on the driven member to permit a limited rotary displacement of the spool within the driven member during rotation of the driven member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.