Snow blower deflector shield
US4190973A · kind A · utility
Inventor
Key dates
| Filing date | Sep 29, 1978 |
| Grant date | Mar 4, 1980 |
| Priority date | — |
| Expiry date | Sep 29, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A snow blower has a framework with a handle, a laterally adjustable vane shifter plate, a series of shiftable upright vanes for delivering streams of snow forwardly and laterally. The improvement, a snow deflector shield assembly which comprises an elongated laterally extending vane cap plate overlying and secured to the vane shifter plate. A flexible arcuate deflector shield along one edge is hingedly connected to said cap plate and overlies said vanes. A pitch-adjusting handle extends at right angles to and at one end is pivotally connected to said deflector shield and intermediate its ends is adjustably anchored upon the framework handle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.