Knife holder for microtomes
US4207790A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 1978 |
| Grant date | Jun 17, 1980 |
| Priority date | — |
| Expiry date | Dec 4, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/9478
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A microtome knife holder comprises a base plate and a holder plate for supporting a knife therebetween. The base plate has a wedge-shaped cross section having a first sharpened edge, the base plate having a stepped surface that extends along the first sharpened edge and on which the knife is locatable with its blade extending beyond the first sharpened edge. The base plate also has a groove extending parallel to and remotely from the stepped surface. The holder plate has a second sharpened edge and a flat surface extending along the second sharpened edge and facing to the stepped surface in spaced relation for sandwiching the knife between the flat and stepped surfaces, the holder plate further having a leg located remotely from the second sharpened edge and disposed in the groove in the base plate. A plurality of screws spaced from each other extend through the holder plate threadedly into the base plate and its portion which lies between the groove and the stepped surface. The base plate includes a shoulder which extends substantially at a right angle to the stepped surface and with which is engageable the edge of the knife that is remote from the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.