Adjustable support legs

Details Adjustable support legs Adjustable support legs

1984-11-29

1986-05-20

Foss, J. Franklin

Supports

Machinery support

Movable machine

2481885, 2483544, 248413, 248676, 403362, F16M 1300

Patent

active

045896224

ABSTRACT:
Sturdy legs are normally retracted into the housing of an otherwise conventional smoke ejector but are extendable in various adjusted positions to support the ejector freestanding on a supporting surface.

REFERENCES:
patent: 994598 (1911-06-01), Martin
patent: 1661868 (1928-03-01), Armstrong et al.
patent: 1972654 (1934-09-01), Heath
patent: 2521920 (1950-09-01), Koch
patent: 2665938 (1954-01-01), McCrossen
patent: 2989329 (1961-06-01), Noah
patent: 3642242 (1972-02-01), Danekas
patent: 4216933 (1980-08-01), Cramer
VENTILATION, Published by the Fire Service Training Program, Commission for Vocational Education, Olympia, Washington, Reprint 1976, pp. 1-22.

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