Title:
LIFTING MAGNET
Document Type and Number:
Japanese Patent JPH04365789
Kind Code:
A
Abstract:
PURPOSE: To avoid a complicated structure by lowering down an object, adsorbed to an adsorptive surface, accurately to an objective position.
CONSTITUTION: Linear antigens 20, 20... are radially provided in an adsorptive surface 11 of adsorbing an object 30. In each linear antigen 20, a parallel slit light beam is irradiated downward so as to cross with the object 30 adsorbed to the adsorptive surface 11. In the parallel slit light beam, a shadow of the object 30, adsorbed to the adsorptive surface, is projected downward to display a horizontal directional position of the object in a surface where the object is lowered down.
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Inventors:
MIYAZAKI HIDEAKI
Application Number:
JP16871691A
Publication Date:
December 17, 1992
Filing Date:
June 12, 1991
Export Citation:
Assignee:
SUMITOMO METAL IND
International Classes:
B66C1/06; B66C13/46; (IPC1-7): B66C1/06; B66C13/46
Attorney, Agent or Firm:
Raw form Motoshige (1 person outside)