Flexible seal for a pivot joint in a snow thrower chute
US4376345A · kind A · utility
4Cited by
13References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1981 |
| Grant date | Mar 15, 1983 |
| Priority date | — |
| Expiry date | Dec 14, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01H5/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A seal (41 or 141) is provided at the pivot joint between a deflector (19) and a snow chute (18) which has spaced fingers (42 or 142) permitting the leading edge of the seal (41 or 141) to conform to a reduced linear dimension when the deflector (19) is pivotal to a forward position of adjustment about its pivot axis (22).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.