Elevatable stool construction

Details Elevatable stool construction Elevatable stool construction

1985-09-03

1986-11-25

McCall, James T.

Fire escape, ladder, or scaffold

Horizontal traversing - actuation, control, or response

Occupant actuation or control

108144, 182 33, 2481882, 297461, E04G 316

Patent

active

046243410

ABSTRACT:
An extensible foot stool apparatus (10) comprising a generally conical housing unit (11) having retractable roller units (12), and adapted to slideably and releasably receive a generally cylindrical primary weight supporting unit (13) in both a retracted and extended mode.

REFERENCES:
patent: 314831 (1885-03-01), Hardy
patent: 2523817 (1950-09-01), Conley et al.
patent: 2742953 (1956-04-01), Kudrna
patent: 2931685 (1960-04-01), Butler
patent: 3227112 (1966-01-01), Wiseman
patent: 3559761 (1971-02-01), Wehner
patent: 3599750 (1971-08-01), Serwer
patent: 4155423 (1979-05-01), Miller
patent: 4232901 (1980-11-01), Harrington et al.

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