Supports – Pipe or cable – Extending through plate
Patent
1976-05-18
1977-08-09
Schultz, William H.
Supports
Pipe or cable
Extending through plate
248371, F16M 100
Patent
active
040405850
ABSTRACT:
A table for supporting a slide projector, motion picture projector or the like that can be quickly, easily, and accurately adjusted to place the height of the projected image at a desired height on the viewing screen. The table comprises a top, a rear leg assembly and a front leg assembly pivotally attached to the top, pivotally connected link braces linking the rear and front leg assemblies, and means for locking the legs in a selected angular relationship with the top. When the locking means is released, the leg assemblies can be pivoted causing the table top to move from a level position in which the front edge of the top is tilted upward to any desired degree and the locking device reengaged. The table can also be collapsed or folded and locked in such position for storing. An improved implementation of the table provides a simple vernier adjustment for the tilt of the table top.
REFERENCES:
patent: 1838750 (1931-12-01), Dina
patent: 3406933 (1968-10-01), Wait et al.
patent: 3968949 (1976-07-01), Romano
Schultz William H.
Wiggins Macdonald J.
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