Platform, adjustable in height

Details Platform, adjustable in height Platform, adjustable in height

1994-04-14

1996-09-17

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

With indicator, signal or alarm

182141, E04G 120

Patent

active

055559522

ABSTRACT:
A platform is equipped with a chair, which chair is displaceable along a mast, and to which chair platform components can be affixed, whereby, force indication means are incorporated between the chair and the platform components so that an indication can be provided concerning the differences in the mechanical loading of the platform components located at opposite sides of the chair.
A simple embodiment arises through the application of a beam which is freely-spanned with respect to the chair and which is connected in a hinged manner with the platform components, within which beam force indication means are incorporated.

REFERENCES:
patent: 3965464 (1976-06-01), Kozai
patent: 4293054 (1981-10-01), Pieri
patent: 4498556 (1985-02-01), Garton

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