Patent · US Expired

Hand actuable clamping device with circumferentially extending tightening members

US5947671A · kind A · utility

15Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1998
Grant dateSep 7, 1999
Priority date
Expiry dateJan 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.