Title:
STREET SWEEPER
Document Type and Number:
WIPO Patent Application WO/2013/001648
Kind Code:
A1
Abstract:
[Problem] To provide a street sweeper having suppressed production costs and which achieves lifting and lowering of a dirt recovery device using a simple configuration. [Solution] The present invention includes a lifting/lowering drive means (21) having a configuration whereby one end is connected to a hopper (4) and the other end rotates and lifts/lowers a lift arm (17) connected to the dirt recovery device (6). The position of the lift arm (17) is changed by this lifting/lowering drive means (21) between: a cleaning position at which a main brush (8) of the dirt recovery device (6) is in contact with the road surface; a forwarding position at which the lift arm (17) has been raised together with the dirt recovery device (6) high enough that a pressing section (20) of the lift arm (17) is in contact with a pressed section (28) of a lift frame (25); and a dirt discharging position at which the lift arm (17) has been raised further, and the dirt recovery device (6) has been raised further together with the lift frame (25).
Inventors:
SUZUKI TAKAO (JP)
KATO HARUYUKI (JP)
KATO HARUYUKI (JP)
Application Number:
PCT/JP2011/065099
Publication Date:
January 03, 2013
Filing Date:
June 30, 2011
Export Citation:
Assignee:
HOWA MACHINERY LTD (JP)
SUZUKI TAKAO (JP)
KATO HARUYUKI (JP)
SUZUKI TAKAO (JP)
KATO HARUYUKI (JP)
International Classes:
E01H1/04; E01H1/05
Foreign References:
| JP2003301431A | 2003-10-24 | |||
| JP2000144664A | 2000-05-26 | |||
| JPH03211102A | 1991-09-13 | |||
| US6371565B1 | 2002-04-16 | |||
| JP2008285928A | 2008-11-27 |
Attorney, Agent or Firm:
KATSUNUMA Hirohito et al. (JP)
Katsunuma Hirohito (JP)
Katsunuma Hirohito (JP)
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Claims:
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