Scaffold hangar construction

Details Scaffold hangar construction Scaffold hangar construction

1992-08-28

1998-11-24

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Suspended platform

182 36, 248222, 2482314, 104111, E01B 2524

Patent

active

058395393

ABSTRACT:
A movable scaffold supporting device, for engaging the lower portion of a concrete girder or an I-beam type girder, including an elongated tubular member, an adjustable flange engaging arm mounted to the tubular member, an L-shaped head member, a spring loaded locking device which positively locks the head member against an I-beam or concrete girder, and a supplementary locking device. Further, the device includes rollers located beneath the bridge.

REFERENCES:
patent: 3072072 (1963-01-01), McDonough
patent: 3929078 (1975-12-01), Sears

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