Thread tapping device
US6589122B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Mar 18, 2002 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Mar 18, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/904
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A thread tapping device has a main seat, a rotating head, a handle rod, an adjustment rod, a pivot connector, and a pair of scrape blades. The main seat has a V-shaped groove, a bottom pivot hole, a through aperture, two connection bars, and an end block. The rotating head is disposed on the handle rod and inserted in the bottom pivot hole of the main seat. The adjustment rod has an upper lug and an outer threaded portion inserted in the rotating head. The pivot connector has a round aperture, a circular aperture, and a lower groove to receive the upper lug of the adjustment rod. Each scrape blade is disposed between the end block and one of the connection bars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.