Extension rod and power tool having extension rod
US10849277B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2015 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Sep 25, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25G1/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An extension rod for a power tool may include a plurality of rod portions, with a first connector and a second connector connecting two of the rod portions. The second connector has a sleeve and a primary fastener. The first connector has a guide rod sized for insertion into the sleeve. The first connector also has a secondary fastener engaging with the primary fastener. A first guide ring, a second guide ring, and a third guide ring are located between the guide rod and the sleeve. The first guide ring, the second guide ring, and the third guide ring each include respective conical faces. At least one of the first, second, and third guide rings defines a notch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.