Post hole digger
US7290814B2 · kind B2 · utility
5Cited by
34References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2004 |
| Grant date | Nov 6, 2007 |
| Priority date | — |
| Expiry date | Apr 7, 2024 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B11/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A post hole digger for producing a hole in the ground comprising a first handle pivotally coupled to a second handle and a first blade coupled to the first handle and a second blade coupled to the second handle. The first handle and the second handle extend along a plane defined generally by a longitudinal axis of the first handle and a longitudinal axis of the second handle when the first blade and the second blade are in the open configuration. The first blade and the second blade are generally parallel to the plane and spaced apart from the plane when provided in the open configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.