Appliance lock using a motor driven linear actuator with helical spring drive
US7705253B2 · kind B2 · utility
6Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2006 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Apr 6, 2028 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F39/14
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An electrical linear actuator employs a reversible motor driving a helical wire spring. The coils of the spring engage a follower that moves along the axis of the spring with rotation of the motor to provide linear motion. This actuator may be used as a linear drive in an appliance lock.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.