Adjustable height step-on container

Details Adjustable height step-on container Adjustable height step-on container

1995-01-30

1997-06-17

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Convertible

Ladder

182222, 2481882, A47B 912

Patent

active

056389132

ABSTRACT:
A portable container device for carrying various items such as tools, instruments and photographic equipment has a flat top or cover strong enough to provide an elevated platform for a user. To raise the user even more when required, the device is provided with an extending mechanism to raise the entire container even more above a support surface. The device has at least two configurations, a compact configuration when the lifting mechanism is withdrawn and a raised configuration when the lifting mechanism is extended. The raising or lifting mechanism may take the form of a sleeve surrounding the container or extendable legs that withdraw into the container.

REFERENCES:
patent: 720776 (1903-02-01), Bennett
patent: 949459 (1910-02-01), Bain
patent: 2509525 (1950-05-01), Reichhelm
patent: 2770293 (1956-11-01), Eichorst
patent: 3407899 (1968-10-01), Delafrange
patent: 3536359 (1970-10-01), Amos
patent: 3865050 (1975-02-01), Cechetti
patent: 4292903 (1981-10-01), Hockema
patent: 4471969 (1984-09-01), Zabala
patent: 5050861 (1991-09-01), Thomas
patent: 5176596 (1993-01-01), Ullman

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