Snowblower
US4619061A · kind A · utility
17Cited by
17References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 22, 1985 |
| Grant date | Oct 28, 1986 |
| Priority date | — |
| Expiry date | Jul 22, 2005 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/098
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A snowblower includes an auger having individual flat spring steel blades mounted on plates carried by a shaft. The blades are connected to the plates by a pivot pin and a shear pin so that on encountering a solid object the shear pin allows the blade to pivot while remaining attached to the shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.