Hand actuable clamping device with circumferentially extending tightening members
US5947671A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1998 |
| Grant date | Sep 7, 1999 |
| Priority date | — |
| Expiry date | Jan 30, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/20864
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A clamping mechanism is configured for receipt on a threaded drive spindle to hold a working tool relative to the drive spindle. The mechanism includes a flange surface disposed to abut against a working tool in an operational mode of the device, and a rotatable member configured with the flange surface and disposed to advance the flange surface upon manual rotation thereof. The rotatable member includes at least one manual tightening device or mechanism for effectively increasing the manual tightening torque.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.