发明授权
- 专利标题: Vacuum/blower attachment for filament trimmer
- 专利标题(中): 真空/鼓风机附件用于灯丝修剪机
-
申请号: US970628申请日: 1978-12-18
-
公开(公告)号: US4227280A公开(公告)日: 1980-10-14
- 发明人: Robert C. Comer
- 申请人: Robert C. Comer
- 申请人地址: MN Minneapolis
- 专利权人: The Toro Company
- 当前专利权人: The Toro Company
- 当前专利权人地址: MN Minneapolis
- 主分类号: A01D42/06
- IPC分类号: A01D42/06 ; A47L5/14 ; A47L7/00
摘要:
An attachment for converting a conventional filament trimmer into a vacuum or blower for removal of grass clippings. The attachment includes a fan housing removably mounted to the trimmer in either a vacuum or blower mode of operation and a fan removably mounted to the rotatably driven shaft of the trimmer. The fan housing has an air inlet scoop and air discharge chute.
公开/授权文献
- US5406633A Hearing aid with permanently adjusted frequency response 公开/授权日:1995-04-11
信息查询