Magnetic coding arrangement for workpiece-carriers
OwnerFrank R. Horstmanninventor
Life of this patent
Estimating the term…
Abstract
A magnetic coding arrangement (43) has a holder (11) in which small disk-shaped magnets (14) are mounted in bores (25). The magnets have different polarization (N, S) on their end faces. The diameter (D) of the magnets is slightly less than the diameter of the bores, so that the magnets can swing round freely in the bores where an outer magnetic field acts on them. Each magnet is retained in a particular end position by a soft-magnetic contact (20.1) which consists of a layer of soft-magnetic powder. Magnetic coding arrangements of this type are used, for example on workpiece-carriers so that these can be provided with the code of a workplace.
Claims10
A magnetic coding arrangement for workpiece-carriers with a plurality of magnets mounted in a holder and the successive directions of magnetization of which represent a binary-coded decimal number, comprising:
- (a) a plurality of disk-shaped individual hard magnets mounted in bores in the holder for swinging around from one end position to the other;
- and
- (b) braking means actuated by a soft-magnetic contact device for retaining said magnets in a particular end position.
A braking device of a magnetic coding arrangement for retaining individual disk-shaped magnets in a particular end position in bores of a holder which comprises two bars, parallel to one another, of a soft-magnetic material attaching to the holder, at right angles to its direction of longitudinal extension, at the points via which the magnets are coded by the outer magnetic field, the bars being arranged symmetrically in relation to the axis of the bore at a distance (A) from one another which corresponds approximately to the diameter (D) of a disk-shaped individual magnet.
A magnetic coding arrangement for workpiece-carriers, comprising:
- (a) a plurality of magnets which are mounted in a holder and the successive directions of magnetization of which represent a binary-coded decimal number, wherein the magnets, designed as small disk-shaped individual magnets, are hard-magnetic, have a mounting with two end positions, and are mounted in bores in the holder in such a way that they can swing around from one end position to the other and are retained in the particular end position by a braking device;
- and
- (b) two bars, parallel to one another and composed of a soft-magnetic material, which are attached to the holder, at right angles to its direction of longitudinal extension, at the points via which the magnets are coded by the outer magnetic field, the bars being arranged symmetrically in relation to the axis of the bore at a distance (A) from one another which corresponds approximately to the diameter (D) of a disk-shaped individual magnet.
Dependencies are inferred from the claim text.