Folding keyboard stand

Details Folding keyboard stand Folding keyboard stand

1993-10-04

1994-10-25

Foss, J. Franklin

Supports

Stand

Plural leg

108118, 403 93, F16M 1120

Patent

active

053582047

ABSTRACT:
A keyboard support stand with legs which pivot around a central axis and may be held in a selected angular relationship by stamped engagement discs with mating spaced protrusions and indentations. The discs are received over the legs and when they are together, sufficient locking force is developed to support substantial loads. Cross-arms on each end of the legs from feet and load-support members. The cross-arms are seared in place using fasteners received within the legs.

REFERENCES:
patent: 729432 (1903-05-01), Sidway
patent: 2003844 (1935-06-01), Tintner
patent: 2957736 (1960-10-01), Olander
patent: 3701450 (1972-10-01), Belzberg
patent: 4190375 (1980-02-01), Berry
patent: 4484832 (1984-11-01), Weissenberger
patent: 4763865 (1988-08-01), Danner
patent: 4917341 (1990-04-01), Pirchio
patent: 5199930 (1993-04-01), Weber

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