发明名称 |
VACUUM CLEANER |
摘要 |
A vacuum cleaner having improved safety characteristics, especially when used for wetcleaning, has a signal transmitter and receiver associated with the vacuum hose and vacuum unit respectively, the transmitter being powered with low-voltage electric power and being operated from an operating handle at the distant end of the vacuum hose, via wires within the hose.
|
申请公布号 |
CA2030233(A1) |
申请公布日期 |
1991.05.24 |
申请号 |
CA19902030233 |
申请日期 |
1990.11.19 |
申请人 |
BROWN, REX;BIRKETT, GEORGE |
发明人 |
BROWN, REX;BIRKETT, GEORGE |
分类号 |
A47L7/00;A47L9/28;(IPC1-7):A47L9/00 |
主分类号 |
A47L7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|