Precisely movable mirror mount
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 12, 1982
Grant Date -
N/A
app pub date -
Oct 23, 1979
filing date -
Oct 23, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A precisely movable mirror mount has a mirror pivotally supported on an elongated member. The member is rotationally supported by a support spaced along the member from the mirror, the support also supporting a winch. One end of a strand is windingly connected to the winch and the other end of the strand is connected to the mirror for rotating the mirror in one direction against a bias device which urges mirror rotation in the other direction. The strand mirror-rotating arrangement makes the device slim and thus visually non-distracting and the spacing to the member and winch support minimizes noise at the mirror to make the device audibly non-distracting, both of which are important to the preferred use of the device in a visual field tester in which the patient is close to the device.
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