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Device for controlling the drive and forward feed of microtomes, particularly ultramicrotomes

  • US 5,181,443 A
  • Filed: 04/10/1991
  • Issued: 01/26/1993
  • Est. Priority Date: 04/11/1990
  • Status: Expired due to Term
First Claim
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1. A control device for controlling the operation of a microtome, particularly an ultramicrotome, wherein a specimen and a knife are relatively moved to cut sections from the specimen, said control device comprising:

  • a driving motor for moving one of the knife and the specimen at a cutting speed to cut sections from the specimen;

    at least one servomotor for advancing at least one of the knife and the specimen toward the other at a rate of feed to regulate the thickness of the section cut from the specimen; and

    means for simultaneously changing both the value of said cutting speed produced by said driving motor and the value of said rate of feed produced by said at least one servomotor, said changing means comprising a switching arrangement operatively associated both with said driving motor and with said at least one servomotor and actuatable by a switching element for changing said values.

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