Screwdriver with enhanced grip handle
US4951533A · kind A · utility
50Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 20, 1989 |
| Grant date | Aug 28, 1990 |
| Priority date | — |
| Expiry date | Nov 20, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S16/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An improved screwdriver having an enhanced gripping handle. The gripping handle has many suction cups on the surface. Preferably, the suction cups are supported on a cross-shaped base and have a cross-shaped recess at the bottom of the suction cup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.