Cutting – With signal – scale – or indicator – Indicates tool position
Reexamination Certificate
2005-08-09
2005-08-09
Dexter, Clark F. (Department: 3724)
Cutting
With signal, scale, or indicator
Indicates tool position
C083S699510, C083S856000, C083S857000, C083S858000, C083S915500, C083S955000, C030S339000, C030S351000, C030S353000
Reexamination Certificate
active
06925920
ABSTRACT:
The invention relates to a knife holder for a microtome having a knife receiver for fixing and positioning a knife and a knife for the knife holder. The knife holder is ergonomic, the operation is made easier and safer, and the knife does not need to be changed as often. To this end, the knife receiver is constructed to accommodate a disk-shaped knife. The knife is given the shape of a regular polygon, whereby the edges are cutters. The knife receiver has an axle on which the knife can rotate such that the cutters can be positioned for cutting an object.
REFERENCES:
patent: 847308 (1907-03-01), Baker et al.
patent: 3611875 (1971-10-01), Wistedt et al.
patent: 3648365 (1972-03-01), Iten et al.
patent: 4241500 (1980-12-01), Iten
patent: 4700600 (1987-10-01), Pickett
patent: 2 549 098 (1985-01-01), None
Dexter Clark F.
Microm International GmbH
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