Upper blade holder

Details Upper blade holder Upper blade holder

1990-04-26

1992-07-21

Yost, Frank T.

Cutting

Rotatable disc tool pair or tool and carrier

With guard for tool

83482, 83496, 83504, 83698, B23D 1904, B26D 124

Patent

active

051313049

ABSTRACT:
Upper blade holder intended for shear cutting of materials that run in a plane by means of a revolving pair of blades, wherein the toe-in angle of the upper blade can be set by means of a control prism. The upper blade holder comprises an upper blade journalling supported from both sides of the blade, which said journalling can be replaced without tools. The upper blade holder further comprises a protective cover of the upper blade, which said cover can be replaced without tools. This blade cover, together with the frame of the upper blade holder, encloses the upper blade and the lowering arms for the upper blade journalling. Moreover, the upper blade journalling comprises an actuator, by means of which the blade is displaced to the cutting position.

REFERENCES:
patent: 1482437 (1924-02-01), Koegel et al.
patent: 1754969 (1930-04-01), Spoor
patent: 2802528 (1957-08-01), Mastriani
patent: 3143024 (1964-08-01), Markowski
patent: 3186282 (1965-06-01), Waterhouse
patent: 4041823 (1977-08-01), Ashbrook
patent: 4257299 (1981-03-01), Aykut
patent: 4434695 (1984-03-01), Wingen
patent: 4438673 (1984-03-01), Noffke et al.

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