Annular saw blade and annular saw with driving means for a saw b

Details Annular saw blade and annular saw with driving means for a saw b Annular saw blade and annular saw with driving means for a saw b

1990-06-04

1991-04-23

Watts, Douglas D.

Cutlery

Cutting tools

Saw

30347, 51168, B27B 514

Patent

active

050090119

ABSTRACT:
An annular saw blade has a outer periphery with cutting or tearing members (15), an inner periphery or inner edge and an annular web portion (16) between the inner and outer peripheries. The saw blade (8) has at least one annular drive surface of a flexible, polymeric solid material (14), against which flexible drive surface a rotatable drive member (13) is intended to be pressed to effect the rotation of the saw blade about its center of rotation. An annular saw for this saw blade has at least one rotatable drive member (30) with projections (37) intended to be pressed into said flexible material of the saw blade.

REFERENCES:
patent: 2690774 (1934-10-01), Hoard
patent: 4026177 (1977-11-01), Lokey
patent: 4316328 (1982-02-01), Duggan et al.
patent: 4793065 (1988-12-01), Johansson
patent: 4800650 (1989-01-01), Johansson

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