Patent · US Expired

Rapid jaw adjustment for tools and the like

US5203797A · kind A · utility

5Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 8, 1990
Grant dateApr 20, 1993
Priority date
Expiry dateNov 8, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25B7/123
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hand tool which comprises a fixed handle with a fixed jaw on the front portion and a movable jaw pivotally connected to the front portion of the fixed handle. A movable handle is connected to the movable jaw. An adjusting mechanism is provided for adjusting the position of the movable jaw relative to the fixed jaw and consists of a threaded opening in the rear of the fixed handle and a screw member received within the opening. The screw member has a plurality of multiple first individual threads with the same diameter and pitch that mate with the threaded opening in the fixed handle.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.