Draw vice
US6378624B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jul 20, 2000 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Sep 4, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B27/0007
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A draw vice includes a body having two handles, a center tube mounted in the body and driven to rotate a workpiece, a center tube rotating device pivoted to the body and controlled to rotate the center tube, and a center tube locking device adapted to lock the center tube against rotary motion, wherein the center tube rotating device includes a shell pivoted to the handles, an input gear, an output gear coupled to the center tube, a knob coupled to the input gear and adapted to rotate the center tube, and at least one transmission gear means coupled between the input gear and the output gear for enabling the center tube and the output gear to be rotated at a speed of rotation higher than the input gear.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.