Cutting – With product handling means – Means to move – guide – or permit free fall or flight of product
Patent
1976-01-28
1977-05-24
Abercrombie, Willie G.
Cutting
With product handling means
Means to move, guide, or permit free fall or flight of product
839155, B26D 706, G01N 106
Patent
active
040247791
ABSTRACT:
Ultramicrotomes conventionally use a glass fragment, or fragment of similar material, as a knife. Such knives have the disadvantage of an uneven back surface inherent in the production of such a knife by fragmentation. Using the complementary fragment and mounting the same slightly spaced from the knife back, provides an anti-curl device. A knife holder, having a groove in which the knife fragment is mounted and a pivoted member with a matching slot to hold the anti-curl device, provides positioning of the anti-curl device and provides access to the specimen when the anti-curl device is pivoted out of proximity of the cutting edge.
REFERENCES:
patent: 3225639 (1965-12-01), Martinelli
patent: 3227020 (1966-01-01), Zeytoonian
patent: 3733948 (1973-05-01), Pickett
Eschwey Juergen
Taugner Roland
Abercrombie Willie G.
Berkenstock, Jr. Howard R.
C. Reichert Optische Werke
Nealon William C.
Spencer Alan H.
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