Ratcheting adjustable wrench
US6016723A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 16, 1999 |
| Grant date | Jan 25, 2000 |
| Priority date | — |
| Expiry date | Feb 16, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B13/16
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A ratcheting adjustable wrench having an elongated handle and having jaw means, including a fixed first jaw element and a movable second jaw element, attached to one end of the handle, with means for selectively manually initiating longitudinal relative movement between the first jaw element and the second jaw element comprising a threaded drive member axially aligned with the second jaw element and disposed between the second jaw element and the handle, and a complementarily threaded driven member fixed to said second jaw element and extending through the drive member, a bias spring disposed between the drive member and the handle first end and operable to normally urge the drive member and so the second jaw element toward the first jaw element, and ratcheting means operable in response to torque applied to the handle in a selected first direction to longitudinally fix the first and second jaw elements with respect to a fastener clamped therebetween, whereby said first direction torque is applied to the fastener, and operable in response to torque applied to the handle in a direction opposite the first direction to release the clamping of the fastener by permitting the drive membe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.