Storable and labor-saving screwdriver and screwdriver heads thereof
US12145253B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2024 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Mar 15, 2044 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B23/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A storable and labor-saving screwdriver and screwdriver heads thereof are provided, relating to the field of screwdriver technology, which includes a grip handle in a cylinder shape and a handle head labor-saving assembly, wherein a rear end of the grip handle is provided with the handle head labor-saving assembly, the handle head labor-saving assembly is retractable, a plurality of inner hexagonal storage chambers are uniformly distributed on the grip handle along a longitudinal direction. The screwdriver can be used to tighten and replace screws of different specifications and models. It has advantages in simple operation, compact structure, and smaller volume, which is easy to carry, and easier for a screwdriver to tighten screws and save labor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.