Portable rotary saw

Details Portable rotary saw Portable rotary saw

1996-05-01

1997-12-30

Rachuba, Maurina T.

Cutlery

Cutting tools

Saw

83170, B26D 900

Patent

active

057016763

ABSTRACT:
A portable rotary saw includes a cooling fan fastened to the output shaft of a motor and a plurality of ports provided downstream of the fan in a blade case defining a blade chamber. The ports allow the cooling air delivered by the fan to blow further downstream in the housing of the portable rotary saw. The portable rotary saw further includes a cover plate provided in front of the ports for separating a pathway of a wind caused by a rotating saw blade and for directing the cooling air out of the blade chamber without disturbing the wind caused by the rotating saw blade.

REFERENCES:
patent: 2646090 (1953-07-01), Kluck
patent: 3245439 (1966-04-01), Sheps et al.
patent: 3262472 (1966-07-01), McCarty et al.
patent: 3266535 (1966-08-01), Brodie
patent: 3267974 (1966-08-01), Elson
patent: 3662796 (1972-05-01), Batistelli
patent: 3873862 (1975-03-01), Butler
patent: 3882598 (1975-05-01), Earle et al.
patent: 4675999 (1987-06-01), Ito et al.
patent: 5146682 (1992-09-01), Blochle
patent: 5537748 (1996-07-01), Takahashi et al.

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