Driver
US10442066B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2015 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Oct 11, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C7/00
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In order to provide a driver for reducing reaction generated to a driver main body, the driver 1 includes a nose portion 3 provided in a housing 2 and extending in a longitudinal direction, the nose portion being configured to allow a fastener to pass therethrough, a plunger 7 configured to move in an impact direction parallel to the longitudinal direction to impact the fastener through the nose portion, a weight 8, and a coil spring 9 configured to be compressed by a motor 5 in the longitudinal direction. a release of the compression causing the plunger 7 to move in the impact direction, while causing the weight 8 to move in a counter-impact direction which is away from the plunger 7. The coil spring 9 is provided between the plunger 7 and the weight 8. The coil spring has one end portion urging the plunger 7, and another end portion urging the weight 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.