Asymmetric terebrating digging tool with lateral displacement slide surface and pivoting leg
US10999962B2 · kind B2 · utility
0Cited by
58References
4Claims
0Family size
Inventor
Key dates
| Filing date | Jan 7, 2020 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Jan 7, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01C5/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A dirt digging tool is provided which includes a handle and an asymmetrical head. The asymmetrical head include an upper end and a lower end which collectively form the tool's face. The lower end includes a ground engaging edge which includes a first convex arcuate edge which includes the tool's tip, a second convex arcuate edge, and a medial edge. The second convex arcuate edge is longitudinally spaced above the tip. Meanwhile, the medial edge is preferably straight and extends longitudinally, parallel to the handle, from the first convex arcuate edge's tip to the second convex arcuate edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.