Support leg for bridges

Details Support leg for bridges Support leg for bridges

1975-05-12

1976-06-22

Byers, Nile C.

Bridges

Pier

61 465, 254110, 254 93R, E01D 1902

Patent

active

039641198

ABSTRACT:
Support leg construction for tank portable bridges including a housing or support leg formed by respective inner and outer sleeve members. A longitudinally movable stanchion is guided intermediate the inner and outer sleeves. A hydraulically operable piston member is disposed in the inner sleeve and includes hydraulically operable detent spring ring locking means for selectively locking the piston to the stanchion. A further hydraulically operable spring-ring locking mechanism is fixedly disposed at the open end of the inner sleeve for selectively locking the stanchion in position with respect to the inner and outer sleeves.

REFERENCES:
patent: 2954676 (1960-10-01), Guy
patent: 2967400 (1961-01-01), Grant
patent: 2997852 (1961-08-01), Suderow
patent: 3171259 (1965-03-01), Roussez
patent: 3290007 (1966-12-01), Yeilding
patent: 3347522 (1967-10-01), Reinmann
patent: 3435621 (1969-04-01), Johnson
patent: 3577737 (1971-05-01), Burleson
patent: 3763654 (1973-10-01), Matsushita
patent: 3845514 (1974-11-01), Wagner

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