Apparatus for protecting bridge pillars

Ships – Building – Canal and ferry boats

Patent

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Details

61 54, 114219, E02B 322

Patent

active

040720225

ABSTRACT:
An apparatus for protecting a bridge pillar which comprises a protecting cylinder adapted to be mounted outside said bridge pillar so as to surround the latter, a plurality of elastic connecting rods for interconnecting said bridge pillar and said protecting cylinder, said connecting rods being connected to said bridge pillar so that they may be pivoted in every direction; and a float mounted on or in said protecting cylinder for floating it in water, in such a manner that at least half of said protecting cylinder is immersed in water.

REFERENCES:
patent: 992776 (1911-05-01), Hubbard
patent: 1095919 (1914-05-01), Ontko
patent: 1927446 (1933-09-01), Qualey et al.
patent: 2562957 (1951-08-01), Sipkin et al.
patent: 2892315 (1959-06-01), Blancato
patent: 3104875 (1963-09-01), Doyle
patent: 3370432 (1968-02-01), Butler et al.
patent: 3541800 (1970-11-01), Walker et al.
patent: 3584464 (1971-06-01), Saadeh

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