Bridge sidewalk vehicle

Details Bridge sidewalk vehicle Bridge sidewalk vehicle

1993-07-21

1995-07-25

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Having transpositioning base and erecting means

182 2, B66F 1104

Patent

active

054354102

ABSTRACT:
A mobile boom vehicle includes a boom assembly that supports and shifts equipment and personnel over a bridge. The boom assembly is coupled to the top of a frame that is sized to operate entirely within the width of a sidewalk. The mobile boom vehicle can, therefore, operate on a sidewalk bridge without obstructing bridge vehicular traffic. Outriggers are coupled to the frame and are capable of extending either over the top of a guardrail or horizontally from the top of the frame. A drive wheel is centered behind the rear end of the frame and lifts part of the frame off the bridge before moving the frame along the bridge. A pair of detachable guide wheels are extendable down below the frame at various distances for holding the mobile boom vehicle in a level position when the frame extends over the edge of a sidewalk. Two mobile boom vehicles can be located on an opposite sides of the bridge for support a basket that spans underneath the bridge.

REFERENCES:
patent: 3262517 (1966-07-01), Malec
patent: 4154318 (1979-05-01), Malleone
patent: 4569416 (1986-02-01), Stokoe
patent: 4646875 (1987-03-01), Sholl
patent: 4696371 (1987-09-01), Moog
patent: 5297653 (1994-03-01), Wurtz

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