Working catwalk for bridge inspection apparatuses

Details Working catwalk for bridge inspection apparatuses Working catwalk for bridge inspection apparatuses

1988-07-20

1990-01-16

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Platform

Relatively movable sections

182113, 182 63, E04G 308

Patent

active

048936960

ABSTRACT:
A working catwalk, in particular for bridge inspection apparatuses, comprising a floor section and a balustrade on each longitudinal side, to and having a variable width. The floor section consists of a center floor section, extending in the longitudinal center, and lateral additional floors. The balustrades are connected in an articulated manner to the center floor section via cantilever struts which can be pivoted out laterally, the axes of the joints connecting the struts to the center floor running parallel to one another and approximately perpendicularly to the working surface. Alternatively, the balustrades can also be designed as self reinforcing girders.

REFERENCES:
patent: 1489556 (1924-04-01), Thomson
patent: 2290535 (1942-07-01), Cavins
patent: 2337674 (1943-12-01), Miller
patent: 3023831 (1962-03-01), Bevis
patent: 3908793 (1975-09-01), Vaughn et al.
patent: 4475625 (1984-10-01), Clements

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