Cutlery – Combined cutlery or combined with ancillary feature – With material-holder or disposal
Patent
1991-11-04
1992-06-16
Watts, Douglas D.
Cutlery
Combined cutlery or combined with ancillary feature
With material-holder or disposal
30391, B25F 502
Patent
active
051215438
ABSTRACT:
A portable circular saw device having sawdust discharge arrangement which prevents sawducts from being discharged toward an operator. The circular saw has an upper blade guard which has one side wall and an opposite side wall, and a discharge opening is formed at the one side wall for discharging, through the discharge opening the sawdusts laterally away from the operator. For further ensuring this lateral discharge of the sawdusts, a deflector is provided at the one side wall at a position close to an upstream edge of the discharge opening. The deflector protrudes from an inner surface of the one side wall toward the opposite wall for directing the sawducts passing along the inner surface of the one side wall toward an end portion on which the sawducts are reflected and are then directed to a direction perpendicular to the moving locus of the sawdusts.
REFERENCES:
patent: 3123111 (1964-03-01), Mattson
patent: 3245439 (1966-04-01), Sheps et al.
patent: 3267974 (1966-08-01), Elson
patent: 3662796 (1972-05-01), Batistelli
patent: 4221051 (1980-09-01), Glass
patent: 5033192 (1991-07-01), Franz et al.
Onose Akira
Sato Hiroshi
Tuchida Ryoji
Hitachi Koki Co,. Ltd.
Watts Douglas D.
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