Drive-control system for a microtome, in particular an ultramicr

Details Drive-control system for a microtome, in particular an ultramicr Drive-control system for a microtome, in particular an ultramicr

1983-07-08

1985-05-14

Meister, James M.

Cutting

With means to convey work relative to tool station

Plural passes of diminishing work piece through tool station

83412, 839155, 83717, B26D 706

Patent

active

045164592

ABSTRACT:
A microtome, in particular an ultramicrotome, has a drive-control system by which the movement of the specimen arm, relative to the knife, is subdivided into a comparatively slow cutting movement and a more rapid return movement. The drive-control system gradually decelerates the specimen arm at the transition, from the comparatively rapid return movement to the slower cutting movement, so that a jerk, which would generate mechanical vibrations in the drive system, is avoided and the specimen arm is smoothly decelerated from the comparatively high speed to the lower speed.

REFERENCES:
patent: 3293972 (1966-12-01), Burkhardt
patent: 3845659 (1974-11-01), Wikefeldt
patent: 4126069 (1978-11-01), Shimonaka

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