Blower-vacuum device
US5604954A · kind A · utility
28Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1996 |
| Grant date | Feb 25, 1997 |
| Priority date | — |
| Expiry date | Jan 30, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/20
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A blower vacuum comprising a motor (10) operated by a switch (16) and located in a housing (4), a fan (14) drivable by a motor, at least one attachment member (6,106) which covers the fan and which is releasably attachable to the housing, and a safety interlock located at the interface between the housing and the attachment member comprising an actuating means (53) for activating the switch only when the attachment member is attached to the housing and a locking means (54, 42) for locking the attachment member to the housing when the motor is switched on.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.