Grinder
US9630288B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Oct 1, 2015 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Nov 13, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB24B5/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A grinding machine of one embodiment includes an abrasive wheel; a rectangular base including a top wall having a central through hole and an upper shoulder; a mounting member secured to the central through hole; an electric motor including a drive shaft passing through the mounting member to secure to the abrasive wheel; first and third workpiece holding units each including a board secured to the base; an adjustment knob on the board; and an L-shaped seat secured to the board and having a transverse channel, a front curved slot, a rear projection pivotably secured to the board, and a pin secured to the board and disposed in the slot; a second workpiece holding unit secured to the shoulder and including a vertical tunnel; and a fourth workpiece holding unit secured to the shoulder and including a vertical tunnel, an adjustment knob, and a fastening member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.