Electric powered trowel
US5102258A · kind A · utility
6Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1990 |
| Grant date | Apr 7, 1992 |
| Priority date | — |
| Expiry date | Dec 17, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F21/248
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lightweight electric trowel having an insulating block disposed in the drive connection between the trowel blades and the motor. The blades are at a fixed angle of four degrees with the leading edge of the blades being inclined at a fifteen degree angle to prevent plowing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.