Leaf rake
US9854735B2 · kind B2 · utility
6Cited by
41References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2014 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Oct 9, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B60/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A head assembly for a rake is provided. The head assembly includes a base portion, a handle coupling, and a number of tines. Each tine includes an elongated body. Each tine body includes a first end, a flexure portion, an offset portion, and a distal second end. The tines includes a first set of tines and a second set of tines. A number of tine bodies in the first set of tines have an offset portion lateral cross-sectional aspect ratio that is greater than 1.0. A number of tine bodies in the second set of tines have an offset portion lateral cross-sectional aspect ratio that is less than 1.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.