Horizontally supported planar surfaces – Plural related horizontal surfaces – Vertically adjustable
Patent
1994-05-04
1996-01-09
Cuomo, Peter M.
Horizontally supported planar surfaces
Plural related horizontal surfaces
Vertically adjustable
280 4726, 280 35, 108193, 108144, A47B 900
Patent
active
054819881
ABSTRACT:
A telescoping work platform having telescoping inner and outer frames that are telescopically adjustable and are capable of being locked relative to one another. The inner frame has a bottom wall at its lower end which serves as a work platform and is provided at its upper end with safety rails for stabilization of the user. The outer frame is provided with pivotal ladder rungs to permit climbing by the user and to permit user access to the work platform at all selected positions of the inner and outer frames. The work platform is also provided with retractable transport wheels and wheel actuators to permit stable use of the work platform and to permit wheeled transport of the work platform when its movement is desired.
REFERENCES:
patent: 2762659 (1956-09-01), Harlan et al.
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patent: 3157386 (1964-11-01), Higgins
patent: 3953044 (1976-04-01), Wilson
patent: 3981511 (1976-09-01), Foster
patent: 4302023 (1981-11-01), Kiesz
patent: 4441734 (1984-04-01), Schlissel
patent: 4752102 (1988-06-01), Rasmussen
Cuomo Peter M.
Wilkens Janet M.
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