Geometrical instruments – Miscellaneous – Light direction
Patent
1996-07-22
1998-06-30
Will, Thomas B.
Geometrical instruments
Miscellaneous
Light direction
33572, 25023113, G01D 534
Patent
active
057715947
ABSTRACT:
An angular encoder for determining an angular position between a stationary element and an element rotatable relative to the stationary element and including a coupling for connecting a scanning unit with a stationary element and formed of a spring material, with the coupling having at least two plates which extend transverse to each other and one of which extends parallel to a rotational axis of the rotatable element, and with each of the two plates having a plurality of leaf spring arms which are so formed and aligned that the leaf spring arms extend in directions of their respective application lines in which directions forces are applied to the coupling during rotation of the rotatable element relative to the stationary element.
REFERENCES:
patent: 4386270 (1983-05-01), Ezekiel
patent: 4472713 (1984-09-01), Breslow
patent: 5018397 (1991-05-01), Matich
Johannes Heidenhain GmbH
Will Thomas B.
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