The blade includes an upper blade (13) and a lower blade (12) integrally formed.

The scraper blade device includes an upper blade portion and a bottom blade portion.

The cutter (A) cuts a thin workpiece (W) by causing an upper blade (movable blade) (2) to cross a lower blade (fixed blade)(1).

The upper accessorial blade (36) and the lower accessorial blade (37) are arranged on the internal faces of the upper blade (1) and the lower blade (2) respectively.

The cutting blade comprises a corner blade provided on each acute-angle corner part, and a bottom blade and outer peripheral blade provided on the ridge lines on both sides of the corner blade.

Any operation on a strip spring of 0.18 [mm] thickness or less that could be detrimental to the functional stiffness of the spring may be waived.

The lower layer has two density zones.

The blade assembly has a blade (2), a blade holder (1), and a blade sheath (3).

Each feeder blade includes a main blade and a wing blade.

The blade assembly (2) includes a blade holder (21) and a blade (22) installed in the blade holder (21).

Alternatively, the spacing of guide rollers (34, 36) on the frame (2) extending parallel to the saw blade (15) lower run can be adjusted to control the depth of cut.

A thin, flat, elongated counterbalancing spring leaf (27) has its lower end attached to the combined slide and tilt-lock member (25) and has its spirally wound upper end fastened to the window frame.

The blade carriage (18) comprises a blade (20) and a blade support structure, said blade support structure being coupled to the blade carriage support structure.

A second blade has a blade edge positioned between the cap and the blade edge of the first blade.

Each blade assembly includes a blade affixed to an end of a blade shaft.