Reciprocating shingle remover with upward thrust blade
US4277104A · kind A · utility
30Cited by
6References
2Claims
0Family size
Inventor
Key dates
| Filing date | Jan 10, 1980 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Jan 10, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D15/003
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A power driven device for removing shingles from roof surfaces is disclosed having a reciprocating plate with a notched forward edge that moves in a concave arc during the reciprocating movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.