Revolving screwdriver with ratchet structure
US8413549B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Oct 18, 2010 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Jan 3, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B15/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A revolving screwdriver with ratchet structure includes a handle, a pushing rod, and a sliding member. The sliding member has a receiving space and a holding chamber defined therein. A revolving cylinder is received in the holding chamber. The receiving space receives at least one ratchet wheel, two rotators, a limiting member, a base, and an adjuster. The at least one ratchet wheel engages with a driving shaft. The rotators selectively engage with the at least one ratchet wheel. The limiting member locates between the rotators and has a protrusion formed thereon. A base has a first guiding slot defined therein. The adjuster has a driving hole defined therein. The protrusion passes through the first guiding slot and the driving hole for being driven by the adjuster and moving along the first guiding slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.