Walk-behind working machine

Details Walk-behind working machine Walk-behind working machine

2006-05-30

2006-05-30

Beach, Thomas A. (Department: 3671)

Excavating

Snow or ice removing or grooming by portable device

Snow or ice surface groomer

C037S246000, C037S249000

Reexamination Certificate

active

07051461

ABSTRACT:
A walk-behind working machine has a traveling unit, a working unit, an engine, and an illumination section disposed forwardly of the engine for projecting light. A cover member collectively covers the engine and the illumination section. The cover member has a light transmitting section for transmitting therethrough light projected by the illumination section. The light transmitting section or a portion of the cover member near the light transmitting section has at least one through-hole through which heat generated by at least one of the engine and the illuminating section is radiated.

REFERENCES:
patent: 5867926 (1999-02-01), Schmitt
patent: 6453583 (2002-09-01), Hanafusa et al.
patent: 6470603 (2002-10-01), Hanafusa et al.
patent: 6834448 (2004-12-01), Hanafusa
patent: 6944979 (2005-09-01), Hanafusa et al.
patent: 63118409 (1988-05-01), None
patent: 11013036 (1999-01-01), None
patent: 00170132 (2000-06-01), None

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