Portable support boom for window washer

Supports – Brackets – Specially mounted or attached

Patent

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Details

182 63, 182142, 182150, 212195, 212266, E04G 310, E04G 504

Patent

active

048011177

ABSTRACT:
A portable support boom for window washers is provided on a support frame which has extendable boom sections that can be folded into a collapsed position and includes transporting wheels and handles so that the boom can be manually rolled from one place to another. When at the work site, the boom sections can be unfolded, then can be used either in extended or retracted position. A support frame attaches to the folded booms when in collapsed position and can be erected to form a triangular configuration for supporting extending end of the boom when in the work position. Support wheels are provided on the support frame for moving the boom laterally between different work positions at the same work site. A brake can be provided to releasably lock the support wheels at each work position. Also, the support frame can be selectively pivoted at each work position to bring the transporting wheels into contact with the supporting surface to inhibit lateral movement of the boom during use. Upon completion of the job, the boom can easily be dissembled into a collapsed position for wheeling by one person to another location.

REFERENCES:
patent: 2569821 (1951-10-01), Maxeiner
patent: 3608670 (1971-09-01), Blake
patent: 3854550 (1974-12-01), Shingler
patent: 4130179 (1978-12-01), Williams
patent: 4234055 (1980-11-01), Beeche
patent: 4274507 (1981-06-01), Williams
patent: 4296905 (1981-10-01), Powell
patent: 4454928 (1984-06-01), Marteau
patent: 4496027 (1985-01-01), Fisher
patent: 4545558 (1985-10-01), Crudele
Photocopies of Disclosure in Application, p. 1, lines 19-34.
Advertisement for Fitch Enterprises Regarding "The Mule" Disclosed in Application, p. 1, lines 35-37; p. 2 lines 1-7.

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