Sprocket-brake drum construction for chain saw
US4406645A · kind A · utility
2Cited by
16References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1980 |
| Grant date | Sep 27, 1983 |
| Priority date | — |
| Expiry date | Oct 30, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16D67/02
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A drive assembly for a chain saw (10) having a brake (42) wherein lugs (102) formed integrally on the brake drum (78) are mechanically connected within opening (72) of adjacent pairs of teeth (70) on the sprocket (22) which drives the saw chain (18) so that upon application of the brake (42) the brake drum (78) and the sprocket (22) stop simultaneously. The drive assembly includes a clutch (94) and a fastener (26) threadedly received on the drive shaft (24) to complete the assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.