Circular saw having wiper tips

Details Circular saw having wiper tips Circular saw having wiper tips

2007-07-10

2007-07-10

Peterson, Kenneth E. (Department: 3724)

Cutting

Tool or tool with support

Toothed blade or tooth therefor

C144S218000

Reexamination Certificate

active

11366588

ABSTRACT:
A circular saw including an annular disk-shaped base adapted to be driven about an axis of rotation, a plurality of tip supports formed along the outer circumference of the base integrally therewith so that a gullet is defined between adjacent ones of the tip supports, a plurality of tip inserts respectively fixed to the tip supports, a plurality of openings formed through the base on substantially the same circumference of a circle so as to be equally spaced apart from each other in the circumferential direction of the base, and a plurality of wiper tips respectively fixed to wall surfaces defining the openings on the downstream side of a rotational direction of the base. Each wiper tip has a front surface formed as a concave surface in cross section.

REFERENCES:
patent: 3176455 (1965-04-01), Buchanan
patent: 3299917 (1967-01-01), Pearson
patent: 3344822 (1967-10-01), Wilder
patent: 3521684 (1970-07-01), McRobert et al.
patent: 3700016 (1972-10-01), Strobel
patent: 3730038 (1973-05-01), Farb
patent: 4123958 (1978-11-01), Wright et al.
patent: 4214499 (1980-07-01), Ellis
patent: 2004/0200334 (2004-10-01), Souza et al.

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