Hand-held tool device, especially motor chain saw

Details Hand-held tool device, especially motor chain saw Hand-held tool device, especially motor chain saw

1994-12-20

1996-06-04

Okonsky, David A.

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

123195C, B23D 4900, B01D 4610

Patent

active

055223559

ABSTRACT:
A hand-held tool such as a chain saw has a housing and a combustion engine enclosed in the housing. The working tool is driven by the combustion engine. An air filter box has a filter element for dividing the filter box into a dirt room and a clean room. The air filter box is closed off by a lid. A suction channel connects the clean room to the combustion engine. An air inlet channel for guiding dirt-laden air into the dirt room of the air filter box is provided. The air inlet channel extends substantially straight and upwardly. A suction tube is connected to the suction channel and projects into the clean room for extending the suction channel. The air inlet channel is located in the lid and extends substantially transverse to the suction tube.

REFERENCES:
patent: 3855976 (1974-12-01), Notaras et al.
patent: 3881250 (1975-05-01), Frederickson
patent: 3994067 (1976-11-01), Hazzard et al.
patent: 4393589 (1983-07-01), Barkhult
patent: 4548169 (1985-10-01), Nagashima
patent: 4783207 (1988-11-01), Nagashima et al.
patent: 4793303 (1988-12-01), Nagashima
patent: 5018492 (1991-05-01), Wolf et al.

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