Hand-held compass saw

Details Hand-held compass saw Hand-held compass saw

2006-05-23

2006-05-23

Elay, Timothy V. (Department: 3724)

Cutlery

Cutting tools

Saw

C030S371000, C030S392000

Reexamination Certificate

active

07047651

ABSTRACT:
A power compass saw with a housing that accommodates a lifting rod for the up and down movement of a longitudinal saw blade attached thereto, has a toothed side and a saw blade back and with a guide roller which supports the saw blade back and has a central groove into which the saw blade extends with its saw blade back and is guided therein, the central circumferential groove has tapered groove sides with a 5° taper, the saw blade back has a straight portion and an end beveled portion with beveled edges having a 7° taper at both sides, the saw blade back has diametrically opposed edges provided at a transition from the straight portion to the beveled portion, and the saw blade back has a width which is measured between the diametrically opposed edges and is greater than a width of a bottom of the circumferential groove.

REFERENCES:
patent: 5644847 (1997-07-01), Odendahl et al.
patent: 197 29 745 (1999-01-01), None
patent: 2 300 145 (1996-10-01), None
patent: 2300145 (1996-10-01), None
patent: 2 322 328 (1998-08-01), None

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