Work holders – Miscellaneous
Patent
1977-07-08
1978-06-27
Watson, Robert C.
Work holders
Miscellaneous
A61G 1300
Patent
active
040970370
ABSTRACT:
A table includes a platform comprising a horizontal surface and an upright support beneath the horizontal surface, the support having a dimension of height. A first hinge hinges a leaf to the platform and a three link lock system interlinks the leaf and the platform so the leaf can be locked in a plurality of angular adjusted positions. The three link system includes a part of the leaf, a part of the support, and a shaft which is pivotally mounted to the leaf. The shaft is shiftable in the lock so as to vary the length of one of the links.
REFERENCES:
patent: 602571 (1898-04-01), Bowers
patent: 3089692 (1963-05-01), Blomquist
patent: 3203373 (1965-08-01), King
patent: 3640520 (1972-02-01), Wieland et al.
Mon Donald D.
Tru-Eze Manufacturing Co., Inc.
Watson Robert C.
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