Ratcheting tool with improved support for driven shank
US4597478A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1984 |
| Grant date | Jul 1, 1986 |
| Priority date | — |
| Expiry date | Jul 10, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved ratcheting tool has a driven shank rotatably supported fore and aft in the ratchet housing. A reduced-diameter rearwardly-extending portion of the driven shank passes through a central recess in a pivotable cam shifter and is rotatably piloted in a closed cylindrical recess. This recess is formed in the ratchet housing rearwardly of a blind axial bore within which the driven shank is disposed. An intermediate portion of the driven shank is rotatably journaled in the inner annular bearing surface of a collar; and the collar is press-fitted within a counterbore forwardly of a ratchet on the driven shank, thereby retaining the driven shank in the ratchet housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.