Apparatus for supporting a human forearm during a work operation, such as a keyboard operation
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United States of America Patent
Stats
-
Apr 4, 1995
Grant Date -
N/A
app pub date -
Jul 29, 1994
filing date -
Jul 31, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for supporting at least one forearm for the operation of keyboards, assembly operation, etc. At least one lever can be fastened to a tabletop or work surface and is connected, by means of at least one locking joint with a pivoting support, to hold a support plate. The joint has two endpieces which can be clamped together, between which there are several plates secured non-rotatably in alternation on different arms of the joint. The support and the lever have at least one pivot located in the joint axis to hold the plates. Every second plate is secured non-rotatably on the pivot. The pivot, together with all the plates, projects into a recess of one endpiece, and the other plates are secured in the recess against rotation.
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